/* * PowerPC emulation for qemu: main translation routines. * * Copyright (c) 2003-2007 Jocelyn Mayer * Copyright (C) 2011 Freescale Semiconductor, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see . */ #include "qemu/osdep.h" #include "cpu.h" #include "disas/disas.h" #include "exec/exec-all.h" #include "tcg-op.h" #include "qemu/host-utils.h" #include "exec/cpu_ldst.h" #include "exec/helper-proto.h" #include "exec/helper-gen.h" #include "trace-tcg.h" #include "exec/log.h" #define CPU_SINGLE_STEP 0x1 #define CPU_BRANCH_STEP 0x2 #define GDBSTUB_SINGLE_STEP 0x4 /* Include definitions for instructions classes and implementations flags */ //#define PPC_DEBUG_DISAS //#define DO_PPC_STATISTICS #ifdef PPC_DEBUG_DISAS # define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) #else # define LOG_DISAS(...) do { } while (0) #endif /*****************************************************************************/ /* Code translation helpers */ /* global register indexes */ static TCGv_env cpu_env; static char cpu_reg_names[10*3 + 22*4 /* GPR */ + 10*4 + 22*5 /* SPE GPRh */ + 10*4 + 22*5 /* FPR */ + 2*(10*6 + 22*7) /* AVRh, AVRl */ + 10*5 + 22*6 /* VSR */ + 8*5 /* CRF */]; static TCGv cpu_gpr[32]; static TCGv cpu_gprh[32]; static TCGv_i64 cpu_fpr[32]; static TCGv_i64 cpu_avrh[32], cpu_avrl[32]; static TCGv_i64 cpu_vsr[32]; static TCGv_i32 cpu_crf[8]; static TCGv cpu_nip; static TCGv cpu_msr; static TCGv cpu_ctr; static TCGv cpu_lr; #if defined(TARGET_PPC64) static TCGv cpu_cfar; #endif static TCGv cpu_xer, cpu_so, cpu_ov, cpu_ca; static TCGv cpu_reserve; static TCGv cpu_fpscr; static TCGv_i32 cpu_access_type; #include "exec/gen-icount.h" void ppc_translate_init(void) { int i; char* p; size_t cpu_reg_names_size; static int done_init = 0; if (done_init) return; cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); tcg_ctx.tcg_env = cpu_env; p = cpu_reg_names; cpu_reg_names_size = sizeof(cpu_reg_names); for (i = 0; i < 8; i++) { snprintf(p, cpu_reg_names_size, "crf%d", i); cpu_crf[i] = tcg_global_mem_new_i32(cpu_env, offsetof(CPUPPCState, crf[i]), p); p += 5; cpu_reg_names_size -= 5; } for (i = 0; i < 32; i++) { snprintf(p, cpu_reg_names_size, "r%d", i); cpu_gpr[i] = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, gpr[i]), p); p += (i < 10) ? 3 : 4; cpu_reg_names_size -= (i < 10) ? 3 : 4; snprintf(p, cpu_reg_names_size, "r%dH", i); cpu_gprh[i] = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, gprh[i]), p); p += (i < 10) ? 4 : 5; cpu_reg_names_size -= (i < 10) ? 4 : 5; snprintf(p, cpu_reg_names_size, "fp%d", i); cpu_fpr[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, fpr[i]), p); p += (i < 10) ? 4 : 5; cpu_reg_names_size -= (i < 10) ? 4 : 5; snprintf(p, cpu_reg_names_size, "avr%dH", i); #ifdef HOST_WORDS_BIGENDIAN cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[0]), p); #else cpu_avrh[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[1]), p); #endif p += (i < 10) ? 6 : 7; cpu_reg_names_size -= (i < 10) ? 6 : 7; snprintf(p, cpu_reg_names_size, "avr%dL", i); #ifdef HOST_WORDS_BIGENDIAN cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[1]), p); #else cpu_avrl[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, avr[i].u64[0]), p); #endif p += (i < 10) ? 6 : 7; cpu_reg_names_size -= (i < 10) ? 6 : 7; snprintf(p, cpu_reg_names_size, "vsr%d", i); cpu_vsr[i] = tcg_global_mem_new_i64(cpu_env, offsetof(CPUPPCState, vsr[i]), p); p += (i < 10) ? 5 : 6; cpu_reg_names_size -= (i < 10) ? 5 : 6; } cpu_nip = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, nip), "nip"); cpu_msr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, msr), "msr"); cpu_ctr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, ctr), "ctr"); cpu_lr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, lr), "lr"); #if defined(TARGET_PPC64) cpu_cfar = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, cfar), "cfar"); #endif cpu_xer = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, xer), "xer"); cpu_so = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, so), "SO"); cpu_ov = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, ov), "OV"); cpu_ca = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, ca), "CA"); cpu_reserve = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, reserve_addr), "reserve_addr"); cpu_fpscr = tcg_global_mem_new(cpu_env, offsetof(CPUPPCState, fpscr), "fpscr"); cpu_access_type = tcg_global_mem_new_i32(cpu_env, offsetof(CPUPPCState, access_type), "access_type"); done_init = 1; } /* internal defines */ struct DisasContext { struct TranslationBlock *tb; target_ulong nip; uint32_t opcode; uint32_t exception; /* Routine used to access memory */ bool pr, hv, dr, le_mode; bool lazy_tlb_flush; bool need_access_type; int mem_idx; int access_type; /* Translation flags */ TCGMemOp default_tcg_memop_mask; #if defined(TARGET_PPC64) bool sf_mode; bool has_cfar; #endif bool fpu_enabled; bool altivec_enabled; bool vsx_enabled; bool spe_enabled; bool tm_enabled; ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ int singlestep_enabled; uint64_t insns_flags; uint64_t insns_flags2; }; /* Return true iff byteswap is needed in a scalar memop */ static inline bool need_byteswap(const DisasContext *ctx) { #if defined(TARGET_WORDS_BIGENDIAN) return ctx->le_mode; #else return !ctx->le_mode; #endif } /* True when active word size < size of target_long. */ #ifdef TARGET_PPC64 # define NARROW_MODE(C) (!(C)->sf_mode) #else # define NARROW_MODE(C) 0 #endif struct opc_handler_t { /* invalid bits for instruction 1 (Rc(opcode) == 0) */ uint32_t inval1; /* invalid bits for instruction 2 (Rc(opcode) == 1) */ uint32_t inval2; /* instruction type */ uint64_t type; /* extended instruction type */ uint64_t type2; /* handler */ void (*handler)(DisasContext *ctx); #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU) const char *oname; #endif #if defined(DO_PPC_STATISTICS) uint64_t count; #endif }; static inline void gen_set_access_type(DisasContext *ctx, int access_type) { if (ctx->need_access_type && ctx->access_type != access_type) { tcg_gen_movi_i32(cpu_access_type, access_type); ctx->access_type = access_type; } } static inline void gen_update_nip(DisasContext *ctx, target_ulong nip) { if (NARROW_MODE(ctx)) { nip = (uint32_t)nip; } tcg_gen_movi_tl(cpu_nip, nip); } static void gen_exception_err(DisasContext *ctx, uint32_t excp, uint32_t error) { TCGv_i32 t0, t1; /* These are all synchronous exceptions, we set the PC back to * the faulting instruction */ if (ctx->exception == POWERPC_EXCP_NONE) { gen_update_nip(ctx, ctx->nip - 4); } t0 = tcg_const_i32(excp); t1 = tcg_const_i32(error); gen_helper_raise_exception_err(cpu_env, t0, t1); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); ctx->exception = (excp); } static void gen_exception(DisasContext *ctx, uint32_t excp) { TCGv_i32 t0; /* These are all synchronous exceptions, we set the PC back to * the faulting instruction */ if (ctx->exception == POWERPC_EXCP_NONE) { gen_update_nip(ctx, ctx->nip - 4); } t0 = tcg_const_i32(excp); gen_helper_raise_exception(cpu_env, t0); tcg_temp_free_i32(t0); ctx->exception = (excp); } static void gen_exception_nip(DisasContext *ctx, uint32_t excp, target_ulong nip) { TCGv_i32 t0; gen_update_nip(ctx, nip); t0 = tcg_const_i32(excp); gen_helper_raise_exception(cpu_env, t0); tcg_temp_free_i32(t0); ctx->exception = (excp); } static void gen_debug_exception(DisasContext *ctx) { TCGv_i32 t0; /* These are all synchronous exceptions, we set the PC back to * the faulting instruction */ if ((ctx->exception != POWERPC_EXCP_BRANCH) && (ctx->exception != POWERPC_EXCP_SYNC)) { gen_update_nip(ctx, ctx->nip); } t0 = tcg_const_i32(EXCP_DEBUG); gen_helper_raise_exception(cpu_env, t0); tcg_temp_free_i32(t0); } static inline void gen_inval_exception(DisasContext *ctx, uint32_t error) { /* Will be converted to program check if needed */ gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_INVAL | error); } static inline void gen_priv_exception(DisasContext *ctx, uint32_t error) { gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_PRIV | error); } static inline void gen_hvpriv_exception(DisasContext *ctx, uint32_t error) { /* Will be converted to program check if needed */ gen_exception_err(ctx, POWERPC_EXCP_HV_EMU, POWERPC_EXCP_PRIV | error); } /* Stop translation */ static inline void gen_stop_exception(DisasContext *ctx) { gen_update_nip(ctx, ctx->nip); ctx->exception = POWERPC_EXCP_STOP; } #ifndef CONFIG_USER_ONLY /* No need to update nip here, as execution flow will change */ static inline void gen_sync_exception(DisasContext *ctx) { ctx->exception = POWERPC_EXCP_SYNC; } #endif #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ GEN_OPCODE(name, opc1, opc2, opc3, inval, type, PPC_NONE) #define GEN_HANDLER_E(name, opc1, opc2, opc3, inval, type, type2) \ GEN_OPCODE(name, opc1, opc2, opc3, inval, type, type2) #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \ GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, PPC_NONE) #define GEN_HANDLER2_E(name, onam, opc1, opc2, opc3, inval, type, type2) \ GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type, type2) #define GEN_HANDLER_E_2(name, opc1, opc2, opc3, opc4, inval, type, type2) \ GEN_OPCODE3(name, opc1, opc2, opc3, opc4, inval, type, type2) #define GEN_HANDLER2_E_2(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) \ GEN_OPCODE4(name, onam, opc1, opc2, opc3, opc4, inval, typ, typ2) typedef struct opcode_t { unsigned char opc1, opc2, opc3, opc4; #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */ unsigned char pad[4]; #endif opc_handler_t handler; const char *oname; } opcode_t; /* Helpers for priv. check */ #define GEN_PRIV \ do { \ gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; \ } while (0) #if defined(CONFIG_USER_ONLY) #define CHK_HV GEN_PRIV #define CHK_SV GEN_PRIV #define CHK_HVRM GEN_PRIV #else #define CHK_HV \ do { \ if (unlikely(ctx->pr || !ctx->hv)) { \ GEN_PRIV; \ } \ } while (0) #define CHK_SV \ do { \ if (unlikely(ctx->pr)) { \ GEN_PRIV; \ } \ } while (0) #define CHK_HVRM \ do { \ if (unlikely(ctx->pr || !ctx->hv || ctx->dr)) { \ GEN_PRIV; \ } \ } while (0) #endif #define CHK_NONE /*****************************************************************************/ /*** Instruction decoding ***/ #define EXTRACT_HELPER(name, shift, nb) \ static inline uint32_t name(uint32_t opcode) \ { \ return (opcode >> (shift)) & ((1 << (nb)) - 1); \ } #define EXTRACT_SHELPER(name, shift, nb) \ static inline int32_t name(uint32_t opcode) \ { \ return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1)); \ } #define EXTRACT_HELPER_SPLIT(name, shift1, nb1, shift2, nb2) \ static inline uint32_t name(uint32_t opcode) \ { \ return (((opcode >> (shift1)) & ((1 << (nb1)) - 1)) << nb2) | \ ((opcode >> (shift2)) & ((1 << (nb2)) - 1)); \ } #define EXTRACT_HELPER_DXFORM(name, \ d0_bits, shift_op_d0, shift_d0, \ d1_bits, shift_op_d1, shift_d1, \ d2_bits, shift_op_d2, shift_d2) \ static inline int16_t name(uint32_t opcode) \ { \ return \ (((opcode >> (shift_op_d0)) & ((1 << (d0_bits)) - 1)) << (shift_d0)) | \ (((opcode >> (shift_op_d1)) & ((1 << (d1_bits)) - 1)) << (shift_d1)) | \ (((opcode >> (shift_op_d2)) & ((1 << (d2_bits)) - 1)) << (shift_d2)); \ } /* Opcode part 1 */ EXTRACT_HELPER(opc1, 26, 6); /* Opcode part 2 */ EXTRACT_HELPER(opc2, 1, 5); /* Opcode part 3 */ EXTRACT_HELPER(opc3, 6, 5); /* Opcode part 4 */ EXTRACT_HELPER(opc4, 16, 5); /* Update Cr0 flags */ EXTRACT_HELPER(Rc, 0, 1); /* Update Cr6 flags (Altivec) */ EXTRACT_HELPER(Rc21, 10, 1); /* Destination */ EXTRACT_HELPER(rD, 21, 5); /* Source */ EXTRACT_HELPER(rS, 21, 5); /* First operand */ EXTRACT_HELPER(rA, 16, 5); /* Second operand */ EXTRACT_HELPER(rB, 11, 5); /* Third operand */ EXTRACT_HELPER(rC, 6, 5); /*** Get CRn ***/ EXTRACT_HELPER(crfD, 23, 3); EXTRACT_HELPER(crfS, 18, 3); EXTRACT_HELPER(crbD, 21, 5); EXTRACT_HELPER(crbA, 16, 5); EXTRACT_HELPER(crbB, 11, 5); /* SPR / TBL */ EXTRACT_HELPER(_SPR, 11, 10); static inline uint32_t SPR(uint32_t opcode) { uint32_t sprn = _SPR(opcode); return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); } /*** Get constants ***/ /* 16 bits signed immediate value */ EXTRACT_SHELPER(SIMM, 0, 16); /* 16 bits unsigned immediate value */ EXTRACT_HELPER(UIMM, 0, 16); /* 5 bits signed immediate value */ EXTRACT_HELPER(SIMM5, 16, 5); /* 5 bits signed immediate value */ EXTRACT_HELPER(UIMM5, 16, 5); /* 4 bits unsigned immediate value */ EXTRACT_HELPER(UIMM4, 16, 4); /* Bit count */ EXTRACT_HELPER(NB, 11, 5); /* Shift count */ EXTRACT_HELPER(SH, 11, 5); /* Vector shift count */ EXTRACT_HELPER(VSH, 6, 4); /* Mask start */ EXTRACT_HELPER(MB, 6, 5); /* Mask end */ EXTRACT_HELPER(ME, 1, 5); /* Trap operand */ EXTRACT_HELPER(TO, 21, 5); EXTRACT_HELPER(CRM, 12, 8); #ifndef CONFIG_USER_ONLY EXTRACT_HELPER(SR, 16, 4); #endif /* mtfsf/mtfsfi */ EXTRACT_HELPER(FPBF, 23, 3); EXTRACT_HELPER(FPIMM, 12, 4); EXTRACT_HELPER(FPL, 25, 1); EXTRACT_HELPER(FPFLM, 17, 8); EXTRACT_HELPER(FPW, 16, 1); /* addpcis */ EXTRACT_HELPER_DXFORM(DX, 10, 6, 6, 5, 16, 1, 1, 0, 0) #if defined(TARGET_PPC64) /* darn */ EXTRACT_HELPER(L, 16, 2); #endif /*** Jump target decoding ***/ /* Immediate address */ static inline target_ulong LI(uint32_t opcode) { return (opcode >> 0) & 0x03FFFFFC; } static inline uint32_t BD(uint32_t opcode) { return (opcode >> 0) & 0xFFFC; } EXTRACT_HELPER(BO, 21, 5); EXTRACT_HELPER(BI, 16, 5); /* Absolute/relative address */ EXTRACT_HELPER(AA, 1, 1); /* Link */ EXTRACT_HELPER(LK, 0, 1); /* DFP Z22-form */ EXTRACT_HELPER(DCM, 10, 6) /* DFP Z23-form */ EXTRACT_HELPER(RMC, 9, 2) /* Create a mask between and bits */ static inline target_ulong MASK(uint32_t start, uint32_t end) { target_ulong ret; #if defined(TARGET_PPC64) if (likely(start == 0)) { ret = UINT64_MAX << (63 - end); } else if (likely(end == 63)) { ret = UINT64_MAX >> start; } #else if (likely(start == 0)) { ret = UINT32_MAX << (31 - end); } else if (likely(end == 31)) { ret = UINT32_MAX >> start; } #endif else { ret = (((target_ulong)(-1ULL)) >> (start)) ^ (((target_ulong)(-1ULL) >> (end)) >> 1); if (unlikely(start > end)) return ~ret; } return ret; } EXTRACT_HELPER_SPLIT(xT, 0, 1, 21, 5); EXTRACT_HELPER_SPLIT(xS, 0, 1, 21, 5); EXTRACT_HELPER_SPLIT(xA, 2, 1, 16, 5); EXTRACT_HELPER_SPLIT(xB, 1, 1, 11, 5); EXTRACT_HELPER_SPLIT(xC, 3, 1, 6, 5); EXTRACT_HELPER(DM, 8, 2); EXTRACT_HELPER(UIM, 16, 2); EXTRACT_HELPER(SHW, 8, 2); EXTRACT_HELPER(SP, 19, 2); EXTRACT_HELPER(IMM8, 11, 8); /*****************************************************************************/ /* PowerPC instructions table */ #if defined(DO_PPC_STATISTICS) #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = 0xff, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ .oname = stringify(name), \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = 0xff, \ .handler = { \ .inval1 = invl1, \ .inval2 = invl2, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ .oname = stringify(name), \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = 0xff, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ .oname = onam, \ }, \ .oname = onam, \ } #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = op4, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ .oname = stringify(name), \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = op4, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ .oname = onam, \ }, \ .oname = onam, \ } #else #define GEN_OPCODE(name, op1, op2, op3, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = 0xff, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE_DUAL(name, op1, op2, op3, invl1, invl2, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = 0xff, \ .handler = { \ .inval1 = invl1, \ .inval2 = invl2, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = 0xff, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ }, \ .oname = onam, \ } #define GEN_OPCODE3(name, op1, op2, op3, op4, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = op4, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE4(name, onam, op1, op2, op3, op4, invl, _typ, _typ2) \ { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .opc4 = op4, \ .handler = { \ .inval1 = invl, \ .type = _typ, \ .type2 = _typ2, \ .handler = &gen_##name, \ }, \ .oname = onam, \ } #endif /* SPR load/store helpers */ static inline void gen_load_spr(TCGv t, int reg) { tcg_gen_ld_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); } static inline void gen_store_spr(int reg, TCGv t) { tcg_gen_st_tl(t, cpu_env, offsetof(CPUPPCState, spr[reg])); } /* Invalid instruction */ static void gen_invalid(DisasContext *ctx) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } static opc_handler_t invalid_handler = { .inval1 = 0xFFFFFFFF, .inval2 = 0xFFFFFFFF, .type = PPC_NONE, .type2 = PPC_NONE, .handler = gen_invalid, }; /*** Integer comparison ***/ static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) { TCGv t0 = tcg_temp_new(); TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_so); tcg_gen_setcond_tl((s ? TCG_COND_LT: TCG_COND_LTU), t0, arg0, arg1); tcg_gen_trunc_tl_i32(t1, t0); tcg_gen_shli_i32(t1, t1, CRF_LT); tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1); tcg_gen_setcond_tl((s ? TCG_COND_GT: TCG_COND_GTU), t0, arg0, arg1); tcg_gen_trunc_tl_i32(t1, t0); tcg_gen_shli_i32(t1, t1, CRF_GT); tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1); tcg_gen_setcond_tl(TCG_COND_EQ, t0, arg0, arg1); tcg_gen_trunc_tl_i32(t1, t0); tcg_gen_shli_i32(t1, t1, CRF_EQ); tcg_gen_or_i32(cpu_crf[crf], cpu_crf[crf], t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } static inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf) { TCGv t0 = tcg_const_tl(arg1); gen_op_cmp(arg0, t0, s, crf); tcg_temp_free(t0); } static inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf) { TCGv t0, t1; t0 = tcg_temp_new(); t1 = tcg_temp_new(); if (s) { tcg_gen_ext32s_tl(t0, arg0); tcg_gen_ext32s_tl(t1, arg1); } else { tcg_gen_ext32u_tl(t0, arg0); tcg_gen_ext32u_tl(t1, arg1); } gen_op_cmp(t0, t1, s, crf); tcg_temp_free(t1); tcg_temp_free(t0); } static inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf) { TCGv t0 = tcg_const_tl(arg1); gen_op_cmp32(arg0, t0, s, crf); tcg_temp_free(t0); } static inline void gen_set_Rc0(DisasContext *ctx, TCGv reg) { if (NARROW_MODE(ctx)) { gen_op_cmpi32(reg, 0, 1, 0); } else { gen_op_cmpi(reg, 0, 1, 0); } } /* cmp */ static void gen_cmp(DisasContext *ctx) { if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 1, crfD(ctx->opcode)); } else { gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 1, crfD(ctx->opcode)); } } /* cmpi */ static void gen_cmpi(DisasContext *ctx) { if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode), 1, crfD(ctx->opcode)); } else { gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode), 1, crfD(ctx->opcode)); } } /* cmpl */ static void gen_cmpl(DisasContext *ctx) { if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 0, crfD(ctx->opcode)); } else { gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 0, crfD(ctx->opcode)); } } /* cmpli */ static void gen_cmpli(DisasContext *ctx) { if ((ctx->opcode & 0x00200000) && (ctx->insns_flags & PPC_64B)) { gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode), 0, crfD(ctx->opcode)); } else { gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode), 0, crfD(ctx->opcode)); } } /* cmprb - range comparison: isupper, isaplha, islower*/ static void gen_cmprb(DisasContext *ctx) { TCGv_i32 src1 = tcg_temp_new_i32(); TCGv_i32 src2 = tcg_temp_new_i32(); TCGv_i32 src2lo = tcg_temp_new_i32(); TCGv_i32 src2hi = tcg_temp_new_i32(); TCGv_i32 crf = cpu_crf[crfD(ctx->opcode)]; tcg_gen_trunc_tl_i32(src1, cpu_gpr[rA(ctx->opcode)]); tcg_gen_trunc_tl_i32(src2, cpu_gpr[rB(ctx->opcode)]); tcg_gen_andi_i32(src1, src1, 0xFF); tcg_gen_ext8u_i32(src2lo, src2); tcg_gen_shri_i32(src2, src2, 8); tcg_gen_ext8u_i32(src2hi, src2); tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); tcg_gen_and_i32(crf, src2lo, src2hi); if (ctx->opcode & 0x00200000) { tcg_gen_shri_i32(src2, src2, 8); tcg_gen_ext8u_i32(src2lo, src2); tcg_gen_shri_i32(src2, src2, 8); tcg_gen_ext8u_i32(src2hi, src2); tcg_gen_setcond_i32(TCG_COND_LEU, src2lo, src2lo, src1); tcg_gen_setcond_i32(TCG_COND_LEU, src2hi, src1, src2hi); tcg_gen_and_i32(src2lo, src2lo, src2hi); tcg_gen_or_i32(crf, crf, src2lo); } tcg_gen_shli_i32(crf, crf, CRF_GT); tcg_temp_free_i32(src1); tcg_temp_free_i32(src2); tcg_temp_free_i32(src2lo); tcg_temp_free_i32(src2hi); } #if defined(TARGET_PPC64) /* cmpeqb */ static void gen_cmpeqb(DisasContext *ctx) { gen_helper_cmpeqb(cpu_crf[crfD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); } #endif /* isel (PowerPC 2.03 specification) */ static void gen_isel(DisasContext *ctx) { uint32_t bi = rC(ctx->opcode); uint32_t mask = 0x08 >> (bi & 0x03); TCGv t0 = tcg_temp_new(); TCGv zr; tcg_gen_extu_i32_tl(t0, cpu_crf[bi >> 2]); tcg_gen_andi_tl(t0, t0, mask); zr = tcg_const_tl(0); tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rD(ctx->opcode)], t0, zr, rA(ctx->opcode) ? cpu_gpr[rA(ctx->opcode)] : zr, cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(zr); tcg_temp_free(t0); } /* cmpb: PowerPC 2.05 specification */ static void gen_cmpb(DisasContext *ctx) { gen_helper_cmpb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); } /*** Integer arithmetic ***/ static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, TCGv arg1, TCGv arg2, int sub) { TCGv t0 = tcg_temp_new(); tcg_gen_xor_tl(cpu_ov, arg0, arg2); tcg_gen_xor_tl(t0, arg1, arg2); if (sub) { tcg_gen_and_tl(cpu_ov, cpu_ov, t0); } else { tcg_gen_andc_tl(cpu_ov, cpu_ov, t0); } tcg_temp_free(t0); if (NARROW_MODE(ctx)) { tcg_gen_ext32s_tl(cpu_ov, cpu_ov); } tcg_gen_shri_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); } /* Common add function */ static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, bool add_ca, bool compute_ca, bool compute_ov, bool compute_rc0) { TCGv t0 = ret; if (compute_ca || compute_ov) { t0 = tcg_temp_new(); } if (compute_ca) { if (NARROW_MODE(ctx)) { /* Caution: a non-obvious corner case of the spec is that we must produce the *entire* 64-bit addition, but produce the carry into bit 32. */ TCGv t1 = tcg_temp_new(); tcg_gen_xor_tl(t1, arg1, arg2); /* add without carry */ tcg_gen_add_tl(t0, arg1, arg2); if (add_ca) { tcg_gen_add_tl(t0, t0, cpu_ca); } tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changed w/ carry */ tcg_temp_free(t1); tcg_gen_shri_tl(cpu_ca, cpu_ca, 32); /* extract bit 32 */ tcg_gen_andi_tl(cpu_ca, cpu_ca, 1); } else { TCGv zero = tcg_const_tl(0); if (add_ca) { tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, cpu_ca, zero); tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, arg2, zero); } else { tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero); } tcg_temp_free(zero); } } else { tcg_gen_add_tl(t0, arg1, arg2); if (add_ca) { tcg_gen_add_tl(t0, t0, cpu_ca); } } if (compute_ov) { gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0); } if (unlikely(compute_rc0)) { gen_set_Rc0(ctx, t0); } if (!TCGV_EQUAL(t0, ret)) { tcg_gen_mov_tl(ret, t0); tcg_temp_free(t0); } } /* Add functions with two operands */ #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ } /* Add functions with one operand and one immediate */ #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ add_ca, compute_ca, compute_ov) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv t0 = tcg_const_tl(const_val); \ gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], t0, \ add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ tcg_temp_free(t0); \ } /* add add. addo addo. */ GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) /* addc addc. addco addco. */ GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) /* adde adde. addeo addeo. */ GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) /* addme addme. addmeo addmeo. */ GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) /* addze addze. addzeo addzeo.*/ GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) /* addi */ static void gen_addi(DisasContext *ctx) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { /* li case */ tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm); } else { tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], simm); } } /* addic addic.*/ static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0) { TCGv c = tcg_const_tl(SIMM(ctx->opcode)); gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], c, 0, 1, 0, compute_rc0); tcg_temp_free(c); } static void gen_addic(DisasContext *ctx) { gen_op_addic(ctx, 0); } static void gen_addic_(DisasContext *ctx) { gen_op_addic(ctx, 1); } /* addis */ static void gen_addis(DisasContext *ctx) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { /* lis case */ tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16); } else { tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], simm << 16); } } /* addpcis */ static void gen_addpcis(DisasContext *ctx) { target_long d = DX(ctx->opcode); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->nip + (d << 16)); } static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign, int compute_ov) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); TCGv_i32 t2 = tcg_temp_new_i32(); TCGv_i32 t3 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_trunc_tl_i32(t1, arg2); if (sign) { tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); tcg_gen_and_i32(t2, t2, t3); tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_i32(t2, t2, t3); tcg_gen_movi_i32(t3, 0); tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); tcg_gen_div_i32(t3, t0, t1); tcg_gen_extu_i32_tl(ret, t3); } else { tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t1, 0); tcg_gen_movi_i32(t3, 0); tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); tcg_gen_divu_i32(t3, t0, t1); tcg_gen_extu_i32_tl(ret, t3); } if (compute_ov) { tcg_gen_extu_i32_tl(cpu_ov, t2); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); } tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, ret); } /* Div functions */ #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ sign, compute_ov); \ } /* divwu divwu. divwuo divwuo. */ GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0); GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1); /* divw divw. divwo divwo. */ GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0); GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1); /* div[wd]eu[o][.] */ #define GEN_DIVE(name, hlpr, compute_ov) \ static void gen_##name(DisasContext *ctx) \ { \ TCGv_i32 t0 = tcg_const_i32(compute_ov); \ gen_helper_##hlpr(cpu_gpr[rD(ctx->opcode)], cpu_env, \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); \ tcg_temp_free_i32(t0); \ if (unlikely(Rc(ctx->opcode) != 0)) { \ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \ } \ } GEN_DIVE(divweu, divweu, 0); GEN_DIVE(divweuo, divweu, 1); GEN_DIVE(divwe, divwe, 0); GEN_DIVE(divweo, divwe, 1); #if defined(TARGET_PPC64) static inline void gen_op_arith_divd(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign, int compute_ov) { TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv_i64 t2 = tcg_temp_new_i64(); TCGv_i64 t3 = tcg_temp_new_i64(); tcg_gen_mov_i64(t0, arg1); tcg_gen_mov_i64(t1, arg2); if (sign) { tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); tcg_gen_and_i64(t2, t2, t3); tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_i64(t2, t2, t3); tcg_gen_movi_i64(t3, 0); tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); tcg_gen_div_i64(ret, t0, t1); } else { tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t1, 0); tcg_gen_movi_i64(t3, 0); tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); tcg_gen_divu_i64(ret, t0, t1); } if (compute_ov) { tcg_gen_mov_tl(cpu_ov, t2); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); } tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); tcg_temp_free_i64(t2); tcg_temp_free_i64(t3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, ret); } #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ sign, compute_ov); \ } /* divwu divwu. divwuo divwuo. */ GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0); GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1); /* divw divw. divwo divwo. */ GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0); GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1); GEN_DIVE(divdeu, divdeu, 0); GEN_DIVE(divdeuo, divdeu, 1); GEN_DIVE(divde, divde, 0); GEN_DIVE(divdeo, divde, 1); #endif static inline void gen_op_arith_modw(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_trunc_tl_i32(t1, arg2); if (sign) { TCGv_i32 t2 = tcg_temp_new_i32(); TCGv_i32 t3 = tcg_temp_new_i32(); tcg_gen_setcondi_i32(TCG_COND_EQ, t2, t0, INT_MIN); tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, -1); tcg_gen_and_i32(t2, t2, t3); tcg_gen_setcondi_i32(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_i32(t2, t2, t3); tcg_gen_movi_i32(t3, 0); tcg_gen_movcond_i32(TCG_COND_NE, t1, t2, t3, t2, t1); tcg_gen_rem_i32(t3, t0, t1); tcg_gen_ext_i32_tl(ret, t3); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); } else { TCGv_i32 t2 = tcg_const_i32(1); TCGv_i32 t3 = tcg_const_i32(0); tcg_gen_movcond_i32(TCG_COND_EQ, t1, t1, t3, t2, t1); tcg_gen_remu_i32(t3, t0, t1); tcg_gen_extu_i32_tl(ret, t3); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); } tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); } #define GEN_INT_ARITH_MODW(name, opc3, sign) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_op_arith_modw(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ sign); \ } GEN_INT_ARITH_MODW(moduw, 0x08, 0); GEN_INT_ARITH_MODW(modsw, 0x18, 1); #if defined(TARGET_PPC64) static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign) { TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); tcg_gen_mov_i64(t0, arg1); tcg_gen_mov_i64(t1, arg2); if (sign) { TCGv_i64 t2 = tcg_temp_new_i64(); TCGv_i64 t3 = tcg_temp_new_i64(); tcg_gen_setcondi_i64(TCG_COND_EQ, t2, t0, INT64_MIN); tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, -1); tcg_gen_and_i64(t2, t2, t3); tcg_gen_setcondi_i64(TCG_COND_EQ, t3, t1, 0); tcg_gen_or_i64(t2, t2, t3); tcg_gen_movi_i64(t3, 0); tcg_gen_movcond_i64(TCG_COND_NE, t1, t2, t3, t2, t1); tcg_gen_rem_i64(ret, t0, t1); tcg_temp_free_i64(t2); tcg_temp_free_i64(t3); } else { TCGv_i64 t2 = tcg_const_i64(1); TCGv_i64 t3 = tcg_const_i64(0); tcg_gen_movcond_i64(TCG_COND_EQ, t1, t1, t3, t2, t1); tcg_gen_remu_i64(ret, t0, t1); tcg_temp_free_i64(t2); tcg_temp_free_i64(t3); } tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); } #define GEN_INT_ARITH_MODD(name, opc3, sign) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ sign); \ } GEN_INT_ARITH_MODD(modud, 0x08, 0); GEN_INT_ARITH_MODD(modsd, 0x18, 1); #endif /* mulhw mulhw. */ static void gen_mulhw(DisasContext *ctx) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_muls2_i32(t0, t1, t0, t1); tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulhwu mulhwu. */ static void gen_mulhwu(DisasContext *ctx) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mulu2_i32(t0, t1, t0, t1); tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t1); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mullw mullw. */ static void gen_mullw(DisasContext *ctx) { #if defined(TARGET_PPC64) TCGv_i64 t0, t1; t0 = tcg_temp_new_i64(); t1 = tcg_temp_new_i64(); tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); #else tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); #endif if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mullwo mullwo. */ static void gen_mullwo(DisasContext *ctx) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_muls2_i32(t0, t1, t0, t1); #if defined(TARGET_PPC64) tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); #else tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_gen_sari_i32(t0, t0, 31); tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); tcg_gen_extu_i32_tl(cpu_ov, t0); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulli */ static void gen_mulli(DisasContext *ctx) { tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode)); } #if defined(TARGET_PPC64) /* mulhd mulhd. */ static void gen_mulhd(DisasContext *ctx) { TCGv lo = tcg_temp_new(); tcg_gen_muls2_tl(lo, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(lo); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } } /* mulhdu mulhdu. */ static void gen_mulhdu(DisasContext *ctx) { TCGv lo = tcg_temp_new(); tcg_gen_mulu2_tl(lo, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(lo); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } } /* mulld mulld. */ static void gen_mulld(DisasContext *ctx) { tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulldo mulldo. */ static void gen_mulldo(DisasContext *ctx) { TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_sari_i64(t0, t0, 63); tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } } #endif /* Common subf function */ static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, bool add_ca, bool compute_ca, bool compute_ov, bool compute_rc0) { TCGv t0 = ret; if (compute_ca || compute_ov) { t0 = tcg_temp_new(); } if (compute_ca) { /* dest = ~arg1 + arg2 [+ ca]. */ if (NARROW_MODE(ctx)) { /* Caution: a non-obvious corner case of the spec is that we must produce the *entire* 64-bit addition, but produce the carry into bit 32. */ TCGv inv1 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_not_tl(inv1, arg1); if (add_ca) { tcg_gen_add_tl(t0, arg2, cpu_ca); } else { tcg_gen_addi_tl(t0, arg2, 1); } tcg_gen_xor_tl(t1, arg2, inv1); /* add without carry */ tcg_gen_add_tl(t0, t0, inv1); tcg_temp_free(inv1); tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */ tcg_temp_free(t1); tcg_gen_shri_tl(cpu_ca, cpu_ca, 32); /* extract bit 32 */ tcg_gen_andi_tl(cpu_ca, cpu_ca, 1); } else if (add_ca) { TCGv zero, inv1 = tcg_temp_new(); tcg_gen_not_tl(inv1, arg1); zero = tcg_const_tl(0); tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero); tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero); tcg_temp_free(zero); tcg_temp_free(inv1); } else { tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1); tcg_gen_sub_tl(t0, arg2, arg1); } } else if (add_ca) { /* Since we're ignoring carry-out, we can simplify the standard ~arg1 + arg2 + ca to arg2 - arg1 + ca - 1. */ tcg_gen_sub_tl(t0, arg2, arg1); tcg_gen_add_tl(t0, t0, cpu_ca); tcg_gen_subi_tl(t0, t0, 1); } else { tcg_gen_sub_tl(t0, arg2, arg1); } if (compute_ov) { gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1); } if (unlikely(compute_rc0)) { gen_set_Rc0(ctx, t0); } if (!TCGV_EQUAL(t0, ret)) { tcg_gen_mov_tl(ret, t0); tcg_temp_free(t0); } } /* Sub functions with Two operands functions */ #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ } /* Sub functions with one operand and one immediate */ #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ add_ca, compute_ca, compute_ov) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv t0 = tcg_const_tl(const_val); \ gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], t0, \ add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ tcg_temp_free(t0); \ } /* subf subf. subfo subfo. */ GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) /* subfc subfc. subfco subfco. */ GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) /* subfe subfe. subfeo subfo. */ GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) /* subfme subfme. subfmeo subfmeo. */ GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) /* subfze subfze. subfzeo subfzeo.*/ GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) /* subfic */ static void gen_subfic(DisasContext *ctx) { TCGv c = tcg_const_tl(SIMM(ctx->opcode)); gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], c, 0, 1, 0, 0); tcg_temp_free(c); } /* neg neg. nego nego. */ static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov) { TCGv zero = tcg_const_tl(0); gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], zero, 0, 0, compute_ov, Rc(ctx->opcode)); tcg_temp_free(zero); } static void gen_neg(DisasContext *ctx) { gen_op_arith_neg(ctx, 0); } static void gen_nego(DisasContext *ctx) { gen_op_arith_neg(ctx, 1); } /*** Integer logical ***/ #define GEN_LOGICAL2(name, tcg_op, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ } #define GEN_LOGICAL1(name, tcg_op, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ } /* and & and. */ GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER); /* andc & andc. */ GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER); /* andi. */ static void gen_andi_(DisasContext *ctx) { tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode)); gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* andis. */ static void gen_andis_(DisasContext *ctx) { tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16); gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* cntlzw */ static void gen_cntlzw(DisasContext *ctx) { gen_helper_cntlzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* cnttzw */ static void gen_cnttzw(DisasContext *ctx) { gen_helper_cnttzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } } /* eqv & eqv. */ GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); /* extsb & extsb. */ GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER); /* extsh & extsh. */ GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER); /* nand & nand. */ GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER); /* nor & nor. */ GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER); #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) static void gen_pause(DisasContext *ctx) { TCGv_i32 t0 = tcg_const_i32(0); tcg_gen_st_i32(t0, cpu_env, -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); tcg_temp_free_i32(t0); /* Stop translation, this gives other CPUs a chance to run */ gen_exception_nip(ctx, EXCP_HLT, ctx->nip); } #endif /* defined(TARGET_PPC64) */ /* or & or. */ static void gen_or(DisasContext *ctx) { int rs, ra, rb; rs = rS(ctx->opcode); ra = rA(ctx->opcode); rb = rB(ctx->opcode); /* Optimisation for mr. ri case */ if (rs != ra || rs != rb) { if (rs != rb) tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]); else tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[ra]); } else if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rs]); #if defined(TARGET_PPC64) } else if (rs != 0) { /* 0 is nop */ int prio = 0; switch (rs) { case 1: /* Set process priority to low */ prio = 2; break; case 6: /* Set process priority to medium-low */ prio = 3; break; case 2: /* Set process priority to normal */ prio = 4; break; #if !defined(CONFIG_USER_ONLY) case 31: if (!ctx->pr) { /* Set process priority to very low */ prio = 1; } break; case 5: if (!ctx->pr) { /* Set process priority to medium-hight */ prio = 5; } break; case 3: if (!ctx->pr) { /* Set process priority to high */ prio = 6; } break; case 7: if (ctx->hv && !ctx->pr) { /* Set process priority to very high */ prio = 7; } break; #endif default: break; } if (prio) { TCGv t0 = tcg_temp_new(); gen_load_spr(t0, SPR_PPR); tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL); tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50); gen_store_spr(SPR_PPR, t0); tcg_temp_free(t0); } #if !defined(CONFIG_USER_ONLY) /* Pause out of TCG otherwise spin loops with smt_low eat too much * CPU and the kernel hangs. This applies to all encodings other * than no-op, e.g., miso(rs=26), yield(27), mdoio(29), mdoom(30), * and all currently undefined. */ gen_pause(ctx); #endif #endif } } /* orc & orc. */ GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER); /* xor & xor. */ static void gen_xor(DisasContext *ctx) { /* Optimisation for "set to zero" case */ if (rS(ctx->opcode) != rB(ctx->opcode)) tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); else tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* ori */ static void gen_ori(DisasContext *ctx) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { return; } tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); } /* oris */ static void gen_oris(DisasContext *ctx) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16); } /* xori */ static void gen_xori(DisasContext *ctx) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); } /* xoris */ static void gen_xoris(DisasContext *ctx) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16); } /* popcntb : PowerPC 2.03 specification */ static void gen_popcntb(DisasContext *ctx) { gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } static void gen_popcntw(DisasContext *ctx) { gen_helper_popcntw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } #if defined(TARGET_PPC64) /* popcntd: PowerPC 2.06 specification */ static void gen_popcntd(DisasContext *ctx) { gen_helper_popcntd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } #endif /* prtyw: PowerPC 2.05 specification */ static void gen_prtyw(DisasContext *ctx) { TCGv ra = cpu_gpr[rA(ctx->opcode)]; TCGv rs = cpu_gpr[rS(ctx->opcode)]; TCGv t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, rs, 16); tcg_gen_xor_tl(ra, rs, t0); tcg_gen_shri_tl(t0, ra, 8); tcg_gen_xor_tl(ra, ra, t0); tcg_gen_andi_tl(ra, ra, (target_ulong)0x100000001ULL); tcg_temp_free(t0); } #if defined(TARGET_PPC64) /* prtyd: PowerPC 2.05 specification */ static void gen_prtyd(DisasContext *ctx) { TCGv ra = cpu_gpr[rA(ctx->opcode)]; TCGv rs = cpu_gpr[rS(ctx->opcode)]; TCGv t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, rs, 32); tcg_gen_xor_tl(ra, rs, t0); tcg_gen_shri_tl(t0, ra, 16); tcg_gen_xor_tl(ra, ra, t0); tcg_gen_shri_tl(t0, ra, 8); tcg_gen_xor_tl(ra, ra, t0); tcg_gen_andi_tl(ra, ra, 1); tcg_temp_free(t0); } #endif #if defined(TARGET_PPC64) /* bpermd */ static void gen_bpermd(DisasContext *ctx) { gen_helper_bpermd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); } #endif #if defined(TARGET_PPC64) /* extsw & extsw. */ GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); /* cntlzd */ static void gen_cntlzd(DisasContext *ctx) { gen_helper_cntlzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* cnttzd */ static void gen_cnttzd(DisasContext *ctx) { gen_helper_cnttzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } } /* darn */ static void gen_darn(DisasContext *ctx) { int l = L(ctx->opcode); if (l == 0) { gen_helper_darn32(cpu_gpr[rD(ctx->opcode)]); } else if (l <= 2) { /* Return 64-bit random for both CRN and RRN */ gen_helper_darn64(cpu_gpr[rD(ctx->opcode)]); } else { tcg_gen_movi_i64(cpu_gpr[rD(ctx->opcode)], -1); } } #endif /*** Integer rotate ***/ /* rlwimi & rlwimi. */ static void gen_rlwimi(DisasContext *ctx) { TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; uint32_t sh = SH(ctx->opcode); uint32_t mb = MB(ctx->opcode); uint32_t me = ME(ctx->opcode); if (sh == (31-me) && mb <= me) { tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); } else { target_ulong mask; TCGv t1; #if defined(TARGET_PPC64) mb += 32; me += 32; #endif mask = MASK(mb, me); t1 = tcg_temp_new(); if (mask <= 0xffffffffu) { TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, t_rs); tcg_gen_rotli_i32(t0, t0, sh); tcg_gen_extu_i32_tl(t1, t0); tcg_temp_free_i32(t0); } else { #if defined(TARGET_PPC64) tcg_gen_deposit_i64(t1, t_rs, t_rs, 32, 32); tcg_gen_rotli_i64(t1, t1, sh); #else g_assert_not_reached(); #endif } tcg_gen_andi_tl(t1, t1, mask); tcg_gen_andi_tl(t_ra, t_ra, ~mask); tcg_gen_or_tl(t_ra, t_ra, t1); tcg_temp_free(t1); } if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, t_ra); } } /* rlwinm & rlwinm. */ static void gen_rlwinm(DisasContext *ctx) { TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; uint32_t sh = SH(ctx->opcode); uint32_t mb = MB(ctx->opcode); uint32_t me = ME(ctx->opcode); if (mb == 0 && me == (31 - sh)) { tcg_gen_shli_tl(t_ra, t_rs, sh); tcg_gen_ext32u_tl(t_ra, t_ra); } else if (sh != 0 && me == 31 && sh == (32 - mb)) { tcg_gen_ext32u_tl(t_ra, t_rs); tcg_gen_shri_tl(t_ra, t_ra, mb); } else { target_ulong mask; #if defined(TARGET_PPC64) mb += 32; me += 32; #endif mask = MASK(mb, me); if (mask <= 0xffffffffu) { TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, t_rs); tcg_gen_rotli_i32(t0, t0, sh); tcg_gen_andi_i32(t0, t0, mask); tcg_gen_extu_i32_tl(t_ra, t0); tcg_temp_free_i32(t0); } else { #if defined(TARGET_PPC64) tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); tcg_gen_rotli_i64(t_ra, t_ra, sh); tcg_gen_andi_i64(t_ra, t_ra, mask); #else g_assert_not_reached(); #endif } } if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, t_ra); } } /* rlwnm & rlwnm. */ static void gen_rlwnm(DisasContext *ctx) { TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; uint32_t mb = MB(ctx->opcode); uint32_t me = ME(ctx->opcode); target_ulong mask; #if defined(TARGET_PPC64) mb += 32; me += 32; #endif mask = MASK(mb, me); if (mask <= 0xffffffffu) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, t_rb); tcg_gen_trunc_tl_i32(t1, t_rs); tcg_gen_andi_i32(t0, t0, 0x1f); tcg_gen_rotl_i32(t1, t1, t0); tcg_gen_extu_i32_tl(t_ra, t1); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); } else { #if defined(TARGET_PPC64) TCGv_i64 t0 = tcg_temp_new_i64(); tcg_gen_andi_i64(t0, t_rb, 0x1f); tcg_gen_deposit_i64(t_ra, t_rs, t_rs, 32, 32); tcg_gen_rotl_i64(t_ra, t_ra, t0); tcg_temp_free_i64(t0); #else g_assert_not_reached(); #endif } tcg_gen_andi_tl(t_ra, t_ra, mask); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, t_ra); } } #if defined(TARGET_PPC64) #define GEN_PPC64_R2(name, opc1, opc2) \ static void glue(gen_, name##0)(DisasContext *ctx) \ { \ gen_##name(ctx, 0); \ } \ \ static void glue(gen_, name##1)(DisasContext *ctx) \ { \ gen_##name(ctx, 1); \ } #define GEN_PPC64_R4(name, opc1, opc2) \ static void glue(gen_, name##0)(DisasContext *ctx) \ { \ gen_##name(ctx, 0, 0); \ } \ \ static void glue(gen_, name##1)(DisasContext *ctx) \ { \ gen_##name(ctx, 0, 1); \ } \ \ static void glue(gen_, name##2)(DisasContext *ctx) \ { \ gen_##name(ctx, 1, 0); \ } \ \ static void glue(gen_, name##3)(DisasContext *ctx) \ { \ gen_##name(ctx, 1, 1); \ } static void gen_rldinm(DisasContext *ctx, int mb, int me, int sh) { TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; if (sh != 0 && mb == 0 && me == (63 - sh)) { tcg_gen_shli_tl(t_ra, t_rs, sh); } else if (sh != 0 && me == 63 && sh == (64 - mb)) { tcg_gen_shri_tl(t_ra, t_rs, mb); } else { tcg_gen_rotli_tl(t_ra, t_rs, sh); tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); } if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, t_ra); } } /* rldicl - rldicl. */ static inline void gen_rldicl(DisasContext *ctx, int mbn, int shn) { uint32_t sh, mb; sh = SH(ctx->opcode) | (shn << 5); mb = MB(ctx->opcode) | (mbn << 5); gen_rldinm(ctx, mb, 63, sh); } GEN_PPC64_R4(rldicl, 0x1E, 0x00); /* rldicr - rldicr. */ static inline void gen_rldicr(DisasContext *ctx, int men, int shn) { uint32_t sh, me; sh = SH(ctx->opcode) | (shn << 5); me = MB(ctx->opcode) | (men << 5); gen_rldinm(ctx, 0, me, sh); } GEN_PPC64_R4(rldicr, 0x1E, 0x02); /* rldic - rldic. */ static inline void gen_rldic(DisasContext *ctx, int mbn, int shn) { uint32_t sh, mb; sh = SH(ctx->opcode) | (shn << 5); mb = MB(ctx->opcode) | (mbn << 5); gen_rldinm(ctx, mb, 63 - sh, sh); } GEN_PPC64_R4(rldic, 0x1E, 0x04); static void gen_rldnm(DisasContext *ctx, int mb, int me) { TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; TCGv t_rb = cpu_gpr[rB(ctx->opcode)]; TCGv t0; t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, t_rb, 0x3f); tcg_gen_rotl_tl(t_ra, t_rs, t0); tcg_temp_free(t0); tcg_gen_andi_tl(t_ra, t_ra, MASK(mb, me)); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, t_ra); } } /* rldcl - rldcl. */ static inline void gen_rldcl(DisasContext *ctx, int mbn) { uint32_t mb; mb = MB(ctx->opcode) | (mbn << 5); gen_rldnm(ctx, mb, 63); } GEN_PPC64_R2(rldcl, 0x1E, 0x08); /* rldcr - rldcr. */ static inline void gen_rldcr(DisasContext *ctx, int men) { uint32_t me; me = MB(ctx->opcode) | (men << 5); gen_rldnm(ctx, 0, me); } GEN_PPC64_R2(rldcr, 0x1E, 0x09); /* rldimi - rldimi. */ static void gen_rldimi(DisasContext *ctx, int mbn, int shn) { TCGv t_ra = cpu_gpr[rA(ctx->opcode)]; TCGv t_rs = cpu_gpr[rS(ctx->opcode)]; uint32_t sh = SH(ctx->opcode) | (shn << 5); uint32_t mb = MB(ctx->opcode) | (mbn << 5); uint32_t me = 63 - sh; if (mb <= me) { tcg_gen_deposit_tl(t_ra, t_ra, t_rs, sh, me - mb + 1); } else { target_ulong mask = MASK(mb, me); TCGv t1 = tcg_temp_new(); tcg_gen_rotli_tl(t1, t_rs, sh); tcg_gen_andi_tl(t1, t1, mask); tcg_gen_andi_tl(t_ra, t_ra, ~mask); tcg_gen_or_tl(t_ra, t_ra, t1); tcg_temp_free(t1); } if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, t_ra); } } GEN_PPC64_R4(rldimi, 0x1E, 0x06); #endif /*** Integer shift ***/ /* slw & slw. */ static void gen_slw(DisasContext *ctx) { TCGv t0, t1; t0 = tcg_temp_new(); /* AND rS with a mask that is 0 when rB >= 0x20 */ #if defined(TARGET_PPC64) tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); tcg_gen_sari_tl(t0, t0, 0x3f); #else tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); tcg_gen_sari_tl(t0, t0, 0x1f); #endif tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t1); tcg_temp_free(t0); tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sraw & sraw. */ static void gen_sraw(DisasContext *ctx) { gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_env, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srawi & srawi. */ static void gen_srawi(DisasContext *ctx) { int sh = SH(ctx->opcode); TCGv dst = cpu_gpr[rA(ctx->opcode)]; TCGv src = cpu_gpr[rS(ctx->opcode)]; if (sh == 0) { tcg_gen_ext32s_tl(dst, src); tcg_gen_movi_tl(cpu_ca, 0); } else { TCGv t0; tcg_gen_ext32s_tl(dst, src); tcg_gen_andi_tl(cpu_ca, dst, (1ULL << sh) - 1); t0 = tcg_temp_new(); tcg_gen_sari_tl(t0, dst, TARGET_LONG_BITS - 1); tcg_gen_and_tl(cpu_ca, cpu_ca, t0); tcg_temp_free(t0); tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); tcg_gen_sari_tl(dst, dst, sh); } if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, dst); } } /* srw & srw. */ static void gen_srw(DisasContext *ctx) { TCGv t0, t1; t0 = tcg_temp_new(); /* AND rS with a mask that is 0 when rB >= 0x20 */ #if defined(TARGET_PPC64) tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3a); tcg_gen_sari_tl(t0, t0, 0x3f); #else tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1a); tcg_gen_sari_tl(t0, t0, 0x1f); #endif tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_ext32u_tl(t0, t0); t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1f); tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t1); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } #if defined(TARGET_PPC64) /* sld & sld. */ static void gen_sld(DisasContext *ctx) { TCGv t0, t1; t0 = tcg_temp_new(); /* AND rS with a mask that is 0 when rB >= 0x40 */ tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); tcg_gen_sari_tl(t0, t0, 0x3f); tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t1); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srad & srad. */ static void gen_srad(DisasContext *ctx) { gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_env, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sradi & sradi. */ static inline void gen_sradi(DisasContext *ctx, int n) { int sh = SH(ctx->opcode) + (n << 5); TCGv dst = cpu_gpr[rA(ctx->opcode)]; TCGv src = cpu_gpr[rS(ctx->opcode)]; if (sh == 0) { tcg_gen_mov_tl(dst, src); tcg_gen_movi_tl(cpu_ca, 0); } else { TCGv t0; tcg_gen_andi_tl(cpu_ca, src, (1ULL << sh) - 1); t0 = tcg_temp_new(); tcg_gen_sari_tl(t0, src, TARGET_LONG_BITS - 1); tcg_gen_and_tl(cpu_ca, cpu_ca, t0); tcg_temp_free(t0); tcg_gen_setcondi_tl(TCG_COND_NE, cpu_ca, cpu_ca, 0); tcg_gen_sari_tl(dst, src, sh); } if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, dst); } } static void gen_sradi0(DisasContext *ctx) { gen_sradi(ctx, 0); } static void gen_sradi1(DisasContext *ctx) { gen_sradi(ctx, 1); } /* extswsli & extswsli. */ static inline void gen_extswsli(DisasContext *ctx, int n) { int sh = SH(ctx->opcode) + (n << 5); TCGv dst = cpu_gpr[rA(ctx->opcode)]; TCGv src = cpu_gpr[rS(ctx->opcode)]; tcg_gen_ext32s_tl(dst, src); tcg_gen_shli_tl(dst, dst, sh); if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, dst); } } static void gen_extswsli0(DisasContext *ctx) { gen_extswsli(ctx, 0); } static void gen_extswsli1(DisasContext *ctx) { gen_extswsli(ctx, 1); } /* srd & srd. */ static void gen_srd(DisasContext *ctx) { TCGv t0, t1; t0 = tcg_temp_new(); /* AND rS with a mask that is 0 when rB >= 0x40 */ tcg_gen_shli_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x39); tcg_gen_sari_tl(t0, t0, 0x3f); tcg_gen_andc_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x3f); tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t1); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } #endif /*** Addressing modes ***/ /* Register indirect with immediate index : EA = (rA|0) + SIMM */ static inline void gen_addr_imm_index(DisasContext *ctx, TCGv EA, target_long maskl) { target_long simm = SIMM(ctx->opcode); simm &= ~maskl; if (rA(ctx->opcode) == 0) { if (NARROW_MODE(ctx)) { simm = (uint32_t)simm; } tcg_gen_movi_tl(EA, simm); } else if (likely(simm != 0)) { tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm); if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(EA, EA); } } else { if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); } else { tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); } } } static inline void gen_addr_reg_index(DisasContext *ctx, TCGv EA) { if (rA(ctx->opcode) == 0) { if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]); } else { tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]); } } else { tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(EA, EA); } } } static inline void gen_addr_register(DisasContext *ctx, TCGv EA) { if (rA(ctx->opcode) == 0) { tcg_gen_movi_tl(EA, 0); } else if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); } else { tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); } } static inline void gen_addr_add(DisasContext *ctx, TCGv ret, TCGv arg1, target_long val) { tcg_gen_addi_tl(ret, arg1, val); if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(ret, ret); } } static inline void gen_check_align(DisasContext *ctx, TCGv EA, int mask) { TCGLabel *l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv_i32 t1, t2; tcg_gen_andi_tl(t0, EA, mask); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); t1 = tcg_const_i32(POWERPC_EXCP_ALIGN); t2 = tcg_const_i32(ctx->opcode & 0x03FF0000); gen_update_nip(ctx, ctx->nip - 4); gen_helper_raise_exception_err(cpu_env, t1, t2); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); gen_set_label(l1); tcg_temp_free(t0); } static inline void gen_align_no_le(DisasContext *ctx) { gen_exception_err(ctx, POWERPC_EXCP_ALIGN, (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE); } /*** Integer load ***/ #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask) #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP)) #define GEN_QEMU_LOAD_TL(ldop, op) \ static void glue(gen_qemu_, ldop)(DisasContext *ctx, \ TCGv val, \ TCGv addr) \ { \ tcg_gen_qemu_ld_tl(val, addr, ctx->mem_idx, op); \ } GEN_QEMU_LOAD_TL(ld8u, DEF_MEMOP(MO_UB)) GEN_QEMU_LOAD_TL(ld16u, DEF_MEMOP(MO_UW)) GEN_QEMU_LOAD_TL(ld16s, DEF_MEMOP(MO_SW)) GEN_QEMU_LOAD_TL(ld32u, DEF_MEMOP(MO_UL)) GEN_QEMU_LOAD_TL(ld32s, DEF_MEMOP(MO_SL)) GEN_QEMU_LOAD_TL(ld16ur, BSWAP_MEMOP(MO_UW)) GEN_QEMU_LOAD_TL(ld32ur, BSWAP_MEMOP(MO_UL)) #define GEN_QEMU_LOAD_64(ldop, op) \ static void glue(gen_qemu_, glue(ldop, _i64))(DisasContext *ctx, \ TCGv_i64 val, \ TCGv addr) \ { \ tcg_gen_qemu_ld_i64(val, addr, ctx->mem_idx, op); \ } GEN_QEMU_LOAD_64(ld8u, DEF_MEMOP(MO_UB)) GEN_QEMU_LOAD_64(ld16u, DEF_MEMOP(MO_UW)) GEN_QEMU_LOAD_64(ld32u, DEF_MEMOP(MO_UL)) GEN_QEMU_LOAD_64(ld32s, DEF_MEMOP(MO_SL)) GEN_QEMU_LOAD_64(ld64, DEF_MEMOP(MO_Q)) #if defined(TARGET_PPC64) GEN_QEMU_LOAD_64(ld64ur, BSWAP_MEMOP(MO_Q)) #endif #define GEN_QEMU_STORE_TL(stop, op) \ static void glue(gen_qemu_, stop)(DisasContext *ctx, \ TCGv val, \ TCGv addr) \ { \ tcg_gen_qemu_st_tl(val, addr, ctx->mem_idx, op); \ } GEN_QEMU_STORE_TL(st8, DEF_MEMOP(MO_UB)) GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW)) GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL)) GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW)) GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL)) #define GEN_QEMU_STORE_64(stop, op) \ static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx, \ TCGv_i64 val, \ TCGv addr) \ { \ tcg_gen_qemu_st_i64(val, addr, ctx->mem_idx, op); \ } GEN_QEMU_STORE_64(st8, DEF_MEMOP(MO_UB)) GEN_QEMU_STORE_64(st16, DEF_MEMOP(MO_UW)) GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL)) GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q)) #if defined(TARGET_PPC64) GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q)) #endif #define GEN_LD(name, ldop, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv EA; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDU(name, ldop, opc, type) \ static void glue(gen_, name##u)(DisasContext *ctx) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0 || \ rA(ctx->opcode) == rD(ctx->opcode))) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ if (type == PPC_64B) \ gen_addr_imm_index(ctx, EA, 0x03); \ else \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDUX(name, ldop, opc2, opc3, type) \ static void glue(gen_, name##ux)(DisasContext *ctx) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0 || \ rA(ctx->opcode) == rD(ctx->opcode))) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ static void glue(gen_, name##x)(DisasContext *ctx) \ { \ TCGv EA; \ chk; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDX(name, ldop, opc2, opc3, type) \ GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_NONE) #define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \ GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM) #define GEN_LDS(name, ldop, op, type) \ GEN_LD(name, ldop, op | 0x20, type); \ GEN_LDU(name, ldop, op | 0x21, type); \ GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \ GEN_LDX(name, ldop, 0x17, op | 0x00, type) /* lbz lbzu lbzux lbzx */ GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER); /* lha lhau lhaux lhax */ GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER); /* lhz lhzu lhzux lhzx */ GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER); /* lwz lwzu lwzux lwzx */ GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER); #if defined(TARGET_PPC64) /* lwaux */ GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B); /* lwax */ GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B); /* ldux */ GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B); /* ldx */ GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B); /* CI load/store variants */ GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST) GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) static void gen_ld(DisasContext *ctx) { TCGv EA; if (Rc(ctx->opcode)) { if (unlikely(rA(ctx->opcode) == 0 || rA(ctx->opcode) == rD(ctx->opcode))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x03); if (ctx->opcode & 0x02) { /* lwa (lwau is undefined) */ gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA); } else { /* ld - ldu */ gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA); } if (Rc(ctx->opcode)) tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); tcg_temp_free(EA); } /* lq */ static void gen_lq(DisasContext *ctx) { int ra, rd; TCGv EA; /* lq is a legal user mode instruction starting in ISA 2.07 */ bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; if (!legal_in_user_mode && ctx->pr) { gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } if (!le_is_supported && ctx->le_mode) { gen_align_no_le(ctx); return; } ra = rA(ctx->opcode); rd = rD(ctx->opcode); if (unlikely((rd & 1) || rd == ra)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x0F); /* We only need to swap high and low halves. gen_qemu_ld64_i64 does necessary 64-bit byteswap already. */ if (unlikely(ctx->le_mode)) { gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA); gen_addr_add(ctx, EA, EA, 8); gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA); } else { gen_qemu_ld64_i64(ctx, cpu_gpr[rd], EA); gen_addr_add(ctx, EA, EA, 8); gen_qemu_ld64_i64(ctx, cpu_gpr[rd + 1], EA); } tcg_temp_free(EA); } #endif /*** Integer store ***/ #define GEN_ST(name, stop, opc, type) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv EA; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STU(name, stop, opc, type) \ static void glue(gen_, stop##u)(DisasContext *ctx) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ if (type == PPC_64B) \ gen_addr_imm_index(ctx, EA, 0x03); \ else \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STUX(name, stop, opc2, opc3, type) \ static void glue(gen_, name##ux)(DisasContext *ctx) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ static void glue(gen_, name##x)(DisasContext *ctx) \ { \ TCGv EA; \ chk; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STX(name, stop, opc2, opc3, type) \ GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_NONE) #define GEN_STX_HVRM(name, stop, opc2, opc3, type) \ GEN_STX_E(name, stop, opc2, opc3, type, PPC_NONE, CHK_HVRM) #define GEN_STS(name, stop, op, type) \ GEN_ST(name, stop, op | 0x20, type); \ GEN_STU(name, stop, op | 0x21, type); \ GEN_STUX(name, stop, 0x17, op | 0x01, type); \ GEN_STX(name, stop, 0x17, op | 0x00, type) /* stb stbu stbux stbx */ GEN_STS(stb, st8, 0x06, PPC_INTEGER); /* sth sthu sthux sthx */ GEN_STS(sth, st16, 0x0C, PPC_INTEGER); /* stw stwu stwux stwx */ GEN_STS(stw, st32, 0x04, PPC_INTEGER); #if defined(TARGET_PPC64) GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B); GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B); GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) static void gen_std(DisasContext *ctx) { int rs; TCGv EA; rs = rS(ctx->opcode); if ((ctx->opcode & 0x3) == 0x2) { /* stq */ bool legal_in_user_mode = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; bool le_is_supported = (ctx->insns_flags2 & PPC2_LSQ_ISA207) != 0; if (!(ctx->insns_flags & PPC_64BX)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } if (!legal_in_user_mode && ctx->pr) { gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } if (!le_is_supported && ctx->le_mode) { gen_align_no_le(ctx); return; } if (unlikely(rs & 1)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x03); /* We only need to swap high and low halves. gen_qemu_st64_i64 does necessary 64-bit byteswap already. */ if (unlikely(ctx->le_mode)) { gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA); gen_addr_add(ctx, EA, EA, 8); gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA); } else { gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA); gen_addr_add(ctx, EA, EA, 8); gen_qemu_st64_i64(ctx, cpu_gpr[rs + 1], EA); } tcg_temp_free(EA); } else { /* std / stdu*/ if (Rc(ctx->opcode)) { if (unlikely(rA(ctx->opcode) == 0)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x03); gen_qemu_st64_i64(ctx, cpu_gpr[rs], EA); if (Rc(ctx->opcode)) tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); tcg_temp_free(EA); } } #endif /*** Integer load and store with byte reverse ***/ /* lhbrx */ GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER); /* lwbrx */ GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER); #if defined(TARGET_PPC64) /* ldbrx */ GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE); /* stdbrx */ GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE); #endif /* TARGET_PPC64 */ /* sthbrx */ GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER); /* stwbrx */ GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER); /*** Integer load and store multiple ***/ /* lmw */ static void gen_lmw(DisasContext *ctx) { TCGv t0; TCGv_i32 t1; if (ctx->le_mode) { gen_align_no_le(ctx); return; } gen_set_access_type(ctx, ACCESS_INT); t0 = tcg_temp_new(); t1 = tcg_const_i32(rD(ctx->opcode)); gen_addr_imm_index(ctx, t0, 0); gen_helper_lmw(cpu_env, t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } /* stmw */ static void gen_stmw(DisasContext *ctx) { TCGv t0; TCGv_i32 t1; if (ctx->le_mode) { gen_align_no_le(ctx); return; } gen_set_access_type(ctx, ACCESS_INT); t0 = tcg_temp_new(); t1 = tcg_const_i32(rS(ctx->opcode)); gen_addr_imm_index(ctx, t0, 0); gen_helper_stmw(cpu_env, t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } /*** Integer load and store strings ***/ /* lswi */ /* PowerPC32 specification says we must generate an exception if * rA is in the range of registers to be loaded. * In an other hand, IBM says this is valid, but rA won't be loaded. * For now, I'll follow the spec... */ static void gen_lswi(DisasContext *ctx) { TCGv t0; TCGv_i32 t1, t2; int nb = NB(ctx->opcode); int start = rD(ctx->opcode); int ra = rA(ctx->opcode); int nr; if (ctx->le_mode) { gen_align_no_le(ctx); return; } if (nb == 0) nb = 32; nr = (nb + 3) / 4; if (unlikely(lsw_reg_in_range(start, nr, ra))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX); return; } gen_set_access_type(ctx, ACCESS_INT); t0 = tcg_temp_new(); gen_addr_register(ctx, t0); t1 = tcg_const_i32(nb); t2 = tcg_const_i32(start); gen_helper_lsw(cpu_env, t0, t1, t2); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); } /* lswx */ static void gen_lswx(DisasContext *ctx) { TCGv t0; TCGv_i32 t1, t2, t3; if (ctx->le_mode) { gen_align_no_le(ctx); return; } gen_set_access_type(ctx, ACCESS_INT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); t1 = tcg_const_i32(rD(ctx->opcode)); t2 = tcg_const_i32(rA(ctx->opcode)); t3 = tcg_const_i32(rB(ctx->opcode)); gen_helper_lswx(cpu_env, t0, t1, t2, t3); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); } /* stswi */ static void gen_stswi(DisasContext *ctx) { TCGv t0; TCGv_i32 t1, t2; int nb = NB(ctx->opcode); if (ctx->le_mode) { gen_align_no_le(ctx); return; } gen_set_access_type(ctx, ACCESS_INT); t0 = tcg_temp_new(); gen_addr_register(ctx, t0); if (nb == 0) nb = 32; t1 = tcg_const_i32(nb); t2 = tcg_const_i32(rS(ctx->opcode)); gen_helper_stsw(cpu_env, t0, t1, t2); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); } /* stswx */ static void gen_stswx(DisasContext *ctx) { TCGv t0; TCGv_i32 t1, t2; if (ctx->le_mode) { gen_align_no_le(ctx); return; } gen_set_access_type(ctx, ACCESS_INT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t1, cpu_xer); tcg_gen_andi_i32(t1, t1, 0x7F); t2 = tcg_const_i32(rS(ctx->opcode)); gen_helper_stsw(cpu_env, t0, t1, t2); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); } /*** Memory synchronisation ***/ /* eieio */ static void gen_eieio(DisasContext *ctx) { } #if !defined(CONFIG_USER_ONLY) static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { TCGv_i32 t; TCGLabel *l; if (!ctx->lazy_tlb_flush) { return; } l = gen_new_label(); t = tcg_temp_new_i32(); tcg_gen_ld_i32(t, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); tcg_gen_brcondi_i32(TCG_COND_EQ, t, 0, l); if (global) { gen_helper_check_tlb_flush_global(cpu_env); } else { gen_helper_check_tlb_flush_local(cpu_env); } gen_set_label(l); tcg_temp_free_i32(t); } #else static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { } #endif /* isync */ static void gen_isync(DisasContext *ctx) { /* * We need to check for a pending TLB flush. This can only happen in * kernel mode however so check MSR_PR */ if (!ctx->pr) { gen_check_tlb_flush(ctx, false); } gen_stop_exception(ctx); } #define MEMOP_GET_SIZE(x) (1 << ((x) & MO_SIZE)) #define LARX(name, memop) \ static void gen_##name(DisasContext *ctx) \ { \ TCGv t0; \ TCGv gpr = cpu_gpr[rD(ctx->opcode)]; \ int len = MEMOP_GET_SIZE(memop); \ gen_set_access_type(ctx, ACCESS_RES); \ t0 = tcg_temp_local_new(); \ gen_addr_reg_index(ctx, t0); \ if ((len) > 1) { \ gen_check_align(ctx, t0, (len)-1); \ } \ tcg_gen_qemu_ld_tl(gpr, t0, ctx->mem_idx, memop); \ tcg_gen_mov_tl(cpu_reserve, t0); \ tcg_gen_st_tl(gpr, cpu_env, offsetof(CPUPPCState, reserve_val)); \ tcg_temp_free(t0); \ } /* lwarx */ LARX(lbarx, DEF_MEMOP(MO_UB)) LARX(lharx, DEF_MEMOP(MO_UW)) LARX(lwarx, DEF_MEMOP(MO_UL)) #if defined(CONFIG_USER_ONLY) static void gen_conditional_store(DisasContext *ctx, TCGv EA, int reg, int memop) { TCGv t0 = tcg_temp_new(); tcg_gen_st_tl(EA, cpu_env, offsetof(CPUPPCState, reserve_ea)); tcg_gen_movi_tl(t0, (MEMOP_GET_SIZE(memop) << 5) | reg); tcg_gen_st_tl(t0, cpu_env, offsetof(CPUPPCState, reserve_info)); tcg_temp_free(t0); gen_exception_err(ctx, POWERPC_EXCP_STCX, 0); } #else static void gen_conditional_store(DisasContext *ctx, TCGv EA, int reg, int memop) { TCGLabel *l1; tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); l1 = gen_new_label(); tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ); tcg_gen_qemu_st_tl(cpu_gpr[reg], EA, ctx->mem_idx, memop); gen_set_label(l1); tcg_gen_movi_tl(cpu_reserve, -1); } #endif #define STCX(name, memop) \ static void gen_##name(DisasContext *ctx) \ { \ TCGv t0; \ int len = MEMOP_GET_SIZE(memop); \ gen_set_access_type(ctx, ACCESS_RES); \ t0 = tcg_temp_local_new(); \ gen_addr_reg_index(ctx, t0); \ if (len > 1) { \ gen_check_align(ctx, t0, (len) - 1); \ } \ gen_conditional_store(ctx, t0, rS(ctx->opcode), memop); \ tcg_temp_free(t0); \ } STCX(stbcx_, DEF_MEMOP(MO_UB)) STCX(sthcx_, DEF_MEMOP(MO_UW)) STCX(stwcx_, DEF_MEMOP(MO_UL)) #if defined(TARGET_PPC64) /* ldarx */ LARX(ldarx, DEF_MEMOP(MO_Q)) /* stdcx. */ STCX(stdcx_, DEF_MEMOP(MO_Q)) /* lqarx */ static void gen_lqarx(DisasContext *ctx) { TCGv EA; int rd = rD(ctx->opcode); TCGv gpr1, gpr2; if (unlikely((rd & 1) || (rd == rA(ctx->opcode)) || (rd == rB(ctx->opcode)))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } gen_set_access_type(ctx, ACCESS_RES); EA = tcg_temp_local_new(); gen_addr_reg_index(ctx, EA); gen_check_align(ctx, EA, 15); if (unlikely(ctx->le_mode)) { gpr1 = cpu_gpr[rd+1]; gpr2 = cpu_gpr[rd]; } else { gpr1 = cpu_gpr[rd]; gpr2 = cpu_gpr[rd+1]; } tcg_gen_qemu_ld_i64(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q)); tcg_gen_mov_tl(cpu_reserve, EA); gen_addr_add(ctx, EA, EA, 8); tcg_gen_qemu_ld_i64(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q)); tcg_gen_st_tl(gpr1, cpu_env, offsetof(CPUPPCState, reserve_val)); tcg_gen_st_tl(gpr2, cpu_env, offsetof(CPUPPCState, reserve_val2)); tcg_temp_free(EA); } /* stqcx. */ static void gen_stqcx_(DisasContext *ctx) { TCGv EA; int reg = rS(ctx->opcode); int len = 16; #if !defined(CONFIG_USER_ONLY) TCGLabel *l1; TCGv gpr1, gpr2; #endif if (unlikely((rD(ctx->opcode) & 1))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } gen_set_access_type(ctx, ACCESS_RES); EA = tcg_temp_local_new(); gen_addr_reg_index(ctx, EA); if (len > 1) { gen_check_align(ctx, EA, (len) - 1); } #if defined(CONFIG_USER_ONLY) gen_conditional_store(ctx, EA, reg, 16); #else tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); l1 = gen_new_label(); tcg_gen_brcond_tl(TCG_COND_NE, EA, cpu_reserve, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ); if (unlikely(ctx->le_mode)) { gpr1 = cpu_gpr[reg + 1]; gpr2 = cpu_gpr[reg]; } else { gpr1 = cpu_gpr[reg]; gpr2 = cpu_gpr[reg + 1]; } tcg_gen_qemu_st_tl(gpr1, EA, ctx->mem_idx, DEF_MEMOP(MO_Q)); gen_addr_add(ctx, EA, EA, 8); tcg_gen_qemu_st_tl(gpr2, EA, ctx->mem_idx, DEF_MEMOP(MO_Q)); gen_set_label(l1); tcg_gen_movi_tl(cpu_reserve, -1); #endif tcg_temp_free(EA); } #endif /* defined(TARGET_PPC64) */ /* sync */ static void gen_sync(DisasContext *ctx) { uint32_t l = (ctx->opcode >> 21) & 3; /* * We may need to check for a pending TLB flush. * * We do this on ptesync (l == 2) on ppc64 and any sync pn ppc32. * * Additionally, this can only happen in kernel mode however so * check MSR_PR as well. */ if (((l == 2) || !(ctx->insns_flags & PPC_64B)) && !ctx->pr) { gen_check_tlb_flush(ctx, true); } } /* wait */ static void gen_wait(DisasContext *ctx) { TCGv_i32 t0 = tcg_const_i32(1); tcg_gen_st_i32(t0, cpu_env, -offsetof(PowerPCCPU, env) + offsetof(CPUState, halted)); tcg_temp_free_i32(t0); /* Stop translation, as the CPU is supposed to sleep from now */ gen_exception_nip(ctx, EXCP_HLT, ctx->nip); } #if defined(TARGET_PPC64) static void gen_doze(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv_i32 t; CHK_HV; t = tcg_const_i32(PPC_PM_DOZE); gen_helper_pminsn(cpu_env, t); tcg_temp_free_i32(t); gen_stop_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_nap(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv_i32 t; CHK_HV; t = tcg_const_i32(PPC_PM_NAP); gen_helper_pminsn(cpu_env, t); tcg_temp_free_i32(t); gen_stop_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_sleep(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv_i32 t; CHK_HV; t = tcg_const_i32(PPC_PM_SLEEP); gen_helper_pminsn(cpu_env, t); tcg_temp_free_i32(t); gen_stop_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_rvwinkle(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv_i32 t; CHK_HV; t = tcg_const_i32(PPC_PM_RVWINKLE); gen_helper_pminsn(cpu_env, t); tcg_temp_free_i32(t); gen_stop_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } #endif /* #if defined(TARGET_PPC64) */ static inline void gen_update_cfar(DisasContext *ctx, target_ulong nip) { #if defined(TARGET_PPC64) if (ctx->has_cfar) tcg_gen_movi_tl(cpu_cfar, nip); #endif } static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest) { if (unlikely(ctx->singlestep_enabled)) { return false; } #ifndef CONFIG_USER_ONLY return (ctx->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK); #else return true; #endif } /*** Branch ***/ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) { if (NARROW_MODE(ctx)) { dest = (uint32_t) dest; } if (use_goto_tb(ctx, dest)) { tcg_gen_goto_tb(n); tcg_gen_movi_tl(cpu_nip, dest & ~3); tcg_gen_exit_tb((uintptr_t)ctx->tb + n); } else { tcg_gen_movi_tl(cpu_nip, dest & ~3); if (unlikely(ctx->singlestep_enabled)) { if ((ctx->singlestep_enabled & (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) && (ctx->exception == POWERPC_EXCP_BRANCH || ctx->exception == POWERPC_EXCP_TRACE)) { gen_exception_nip(ctx, POWERPC_EXCP_TRACE, dest); } if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) { gen_debug_exception(ctx); } } tcg_gen_exit_tb(0); } } static inline void gen_setlr(DisasContext *ctx, target_ulong nip) { if (NARROW_MODE(ctx)) { nip = (uint32_t)nip; } tcg_gen_movi_tl(cpu_lr, nip); } /* b ba bl bla */ static void gen_b(DisasContext *ctx) { target_ulong li, target; ctx->exception = POWERPC_EXCP_BRANCH; /* sign extend LI */ li = LI(ctx->opcode); li = (li ^ 0x02000000) - 0x02000000; if (likely(AA(ctx->opcode) == 0)) { target = ctx->nip + li - 4; } else { target = li; } if (LK(ctx->opcode)) { gen_setlr(ctx, ctx->nip); } gen_update_cfar(ctx, ctx->nip - 4); gen_goto_tb(ctx, 0, target); } #define BCOND_IM 0 #define BCOND_LR 1 #define BCOND_CTR 2 #define BCOND_TAR 3 static inline void gen_bcond(DisasContext *ctx, int type) { uint32_t bo = BO(ctx->opcode); TCGLabel *l1; TCGv target; ctx->exception = POWERPC_EXCP_BRANCH; if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) { target = tcg_temp_local_new(); if (type == BCOND_CTR) tcg_gen_mov_tl(target, cpu_ctr); else if (type == BCOND_TAR) gen_load_spr(target, SPR_TAR); else tcg_gen_mov_tl(target, cpu_lr); } else { TCGV_UNUSED(target); } if (LK(ctx->opcode)) gen_setlr(ctx, ctx->nip); l1 = gen_new_label(); if ((bo & 0x4) == 0) { /* Decrement and test CTR */ TCGv temp = tcg_temp_new(); if (unlikely(type == BCOND_CTR)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); if (NARROW_MODE(ctx)) { tcg_gen_ext32u_tl(temp, cpu_ctr); } else { tcg_gen_mov_tl(temp, cpu_ctr); } if (bo & 0x2) { tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); } else { tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); } tcg_temp_free(temp); } if ((bo & 0x10) == 0) { /* Test CR */ uint32_t bi = BI(ctx->opcode); uint32_t mask = 0x08 >> (bi & 0x03); TCGv_i32 temp = tcg_temp_new_i32(); if (bo & 0x8) { tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1); } else { tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1); } tcg_temp_free_i32(temp); } gen_update_cfar(ctx, ctx->nip - 4); if (type == BCOND_IM) { target_ulong li = (target_long)((int16_t)(BD(ctx->opcode))); if (likely(AA(ctx->opcode) == 0)) { gen_goto_tb(ctx, 0, ctx->nip + li - 4); } else { gen_goto_tb(ctx, 0, li); } if ((bo & 0x14) != 0x14) { gen_set_label(l1); gen_goto_tb(ctx, 1, ctx->nip); } } else { if (NARROW_MODE(ctx)) { tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3); } else { tcg_gen_andi_tl(cpu_nip, target, ~3); } tcg_gen_exit_tb(0); if ((bo & 0x14) != 0x14) { gen_set_label(l1); gen_update_nip(ctx, ctx->nip); tcg_gen_exit_tb(0); } } if (type == BCOND_LR || type == BCOND_CTR || type == BCOND_TAR) { tcg_temp_free(target); } } static void gen_bc(DisasContext *ctx) { gen_bcond(ctx, BCOND_IM); } static void gen_bcctr(DisasContext *ctx) { gen_bcond(ctx, BCOND_CTR); } static void gen_bclr(DisasContext *ctx) { gen_bcond(ctx, BCOND_LR); } static void gen_bctar(DisasContext *ctx) { gen_bcond(ctx, BCOND_TAR); } /*** Condition register logical ***/ #define GEN_CRLOGIC(name, tcg_op, opc) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ uint8_t bitmask; \ int sh; \ TCGv_i32 t0, t1; \ sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \ t0 = tcg_temp_new_i32(); \ if (sh > 0) \ tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \ else if (sh < 0) \ tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \ else \ tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \ t1 = tcg_temp_new_i32(); \ sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \ if (sh > 0) \ tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \ else if (sh < 0) \ tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \ else \ tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \ tcg_op(t0, t0, t1); \ bitmask = 0x08 >> (crbD(ctx->opcode) & 0x03); \ tcg_gen_andi_i32(t0, t0, bitmask); \ tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \ tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } /* crand */ GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08); /* crandc */ GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04); /* creqv */ GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09); /* crnand */ GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07); /* crnor */ GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01); /* cror */ GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E); /* crorc */ GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D); /* crxor */ GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06); /* mcrf */ static void gen_mcrf(DisasContext *ctx) { tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]); } /*** System linkage ***/ /* rfi (supervisor only) */ static void gen_rfi(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else /* This instruction doesn't exist anymore on 64-bit server * processors compliant with arch 2.x */ if (ctx->insns_flags & PPC_SEGMENT_64B) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } /* Restore CPU state */ CHK_SV; gen_update_cfar(ctx, ctx->nip - 4); gen_helper_rfi(cpu_env); gen_sync_exception(ctx); #endif } #if defined(TARGET_PPC64) static void gen_rfid(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else /* Restore CPU state */ CHK_SV; gen_update_cfar(ctx, ctx->nip - 4); gen_helper_rfid(cpu_env); gen_sync_exception(ctx); #endif } static void gen_hrfid(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else /* Restore CPU state */ CHK_HV; gen_helper_hrfid(cpu_env); gen_sync_exception(ctx); #endif } #endif /* sc */ #if defined(CONFIG_USER_ONLY) #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER #else #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL #endif static void gen_sc(DisasContext *ctx) { uint32_t lev; lev = (ctx->opcode >> 5) & 0x7F; gen_exception_err(ctx, POWERPC_SYSCALL, lev); } /*** Trap ***/ /* Check for unconditional traps (always or never) */ static bool check_unconditional_trap(DisasContext *ctx) { /* Trap never */ if (TO(ctx->opcode) == 0) { return true; } /* Trap always */ if (TO(ctx->opcode) == 31) { gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); return true; } return false; } /* tw */ static void gen_tw(DisasContext *ctx) { TCGv_i32 t0; if (check_unconditional_trap(ctx)) { return; } t0 = tcg_const_i32(TO(ctx->opcode)); gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } /* twi */ static void gen_twi(DisasContext *ctx) { TCGv t0; TCGv_i32 t1; if (check_unconditional_trap(ctx)) { return; } t0 = tcg_const_tl(SIMM(ctx->opcode)); t1 = tcg_const_i32(TO(ctx->opcode)); gen_helper_tw(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } #if defined(TARGET_PPC64) /* td */ static void gen_td(DisasContext *ctx) { TCGv_i32 t0; if (check_unconditional_trap(ctx)) { return; } t0 = tcg_const_i32(TO(ctx->opcode)); gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } /* tdi */ static void gen_tdi(DisasContext *ctx) { TCGv t0; TCGv_i32 t1; if (check_unconditional_trap(ctx)) { return; } t0 = tcg_const_tl(SIMM(ctx->opcode)); t1 = tcg_const_i32(TO(ctx->opcode)); gen_helper_td(cpu_env, cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } #endif /*** Processor control ***/ static void gen_read_xer(TCGv dst) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); tcg_gen_mov_tl(dst, cpu_xer); tcg_gen_shli_tl(t0, cpu_so, XER_SO); tcg_gen_shli_tl(t1, cpu_ov, XER_OV); tcg_gen_shli_tl(t2, cpu_ca, XER_CA); tcg_gen_or_tl(t0, t0, t1); tcg_gen_or_tl(dst, dst, t2); tcg_gen_or_tl(dst, dst, t0); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); } static void gen_write_xer(TCGv src) { tcg_gen_andi_tl(cpu_xer, src, ~((1u << XER_SO) | (1u << XER_OV) | (1u << XER_CA))); tcg_gen_shri_tl(cpu_so, src, XER_SO); tcg_gen_shri_tl(cpu_ov, src, XER_OV); tcg_gen_shri_tl(cpu_ca, src, XER_CA); tcg_gen_andi_tl(cpu_so, cpu_so, 1); tcg_gen_andi_tl(cpu_ov, cpu_ov, 1); tcg_gen_andi_tl(cpu_ca, cpu_ca, 1); } /* mcrxr */ static void gen_mcrxr(DisasContext *ctx) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t1 = tcg_temp_new_i32(); TCGv_i32 dst = cpu_crf[crfD(ctx->opcode)]; tcg_gen_trunc_tl_i32(t0, cpu_so); tcg_gen_trunc_tl_i32(t1, cpu_ov); tcg_gen_trunc_tl_i32(dst, cpu_ca); tcg_gen_shli_i32(t0, t0, 3); tcg_gen_shli_i32(t1, t1, 2); tcg_gen_shli_i32(dst, dst, 1); tcg_gen_or_i32(dst, dst, t0); tcg_gen_or_i32(dst, dst, t1); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); tcg_gen_movi_tl(cpu_so, 0); tcg_gen_movi_tl(cpu_ov, 0); tcg_gen_movi_tl(cpu_ca, 0); } /* mfcr mfocrf */ static void gen_mfcr(DisasContext *ctx) { uint32_t crm, crn; if (likely(ctx->opcode & 0x00100000)) { crm = CRM(ctx->opcode); if (likely(crm && ((crm & (crm - 1)) == 0))) { crn = ctz32 (crm); tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], crn * 4); } } else { TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_mov_i32(t0, cpu_crf[0]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[1]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[2]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[3]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[4]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[5]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[6]); tcg_gen_shli_i32(t0, t0, 4); tcg_gen_or_i32(t0, t0, cpu_crf[7]); tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free_i32(t0); } } /* mfmsr */ static void gen_mfmsr(DisasContext *ctx) { CHK_SV; tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr); } static void spr_noaccess(DisasContext *ctx, int gprn, int sprn) { #if 0 sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); printf("ERROR: try to access SPR %d !\n", sprn); #endif } #define SPR_NOACCESS (&spr_noaccess) /* mfspr */ static inline void gen_op_mfspr(DisasContext *ctx) { void (*read_cb)(DisasContext *ctx, int gprn, int sprn); uint32_t sprn = SPR(ctx->opcode); #if defined(CONFIG_USER_ONLY) read_cb = ctx->spr_cb[sprn].uea_read; #else if (ctx->pr) { read_cb = ctx->spr_cb[sprn].uea_read; } else if (ctx->hv) { read_cb = ctx->spr_cb[sprn].hea_read; } else { read_cb = ctx->spr_cb[sprn].oea_read; } #endif if (likely(read_cb != NULL)) { if (likely(read_cb != SPR_NOACCESS)) { (*read_cb)(ctx, rD(ctx->opcode), sprn); } else { /* Privilege exception */ /* This is a hack to avoid warnings when running Linux: * this OS breaks the PowerPC virtualisation model, * allowing userland application to read the PVR */ if (sprn != SPR_PVR) { fprintf(stderr, "Trying to read privileged spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); if (qemu_log_separate()) { qemu_log("Trying to read privileged spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); } } gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); } } else { /* ISA 2.07 defines these as no-ops */ if ((ctx->insns_flags2 & PPC2_ISA207S) && (sprn >= 808 && sprn <= 811)) { /* This is a nop */ return; } /* Not defined */ fprintf(stderr, "Trying to read invalid spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); if (qemu_log_separate()) { qemu_log("Trying to read invalid spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); } /* The behaviour depends on MSR:PR and SPR# bit 0x10, * it can generate a priv, a hv emu or a no-op */ if (sprn & 0x10) { if (ctx->pr) { gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } else { if (ctx->pr || sprn == 0 || sprn == 4 || sprn == 5 || sprn == 6) { gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } } } static void gen_mfspr(DisasContext *ctx) { gen_op_mfspr(ctx); } /* mftb */ static void gen_mftb(DisasContext *ctx) { gen_op_mfspr(ctx); } /* mtcrf mtocrf*/ static void gen_mtcrf(DisasContext *ctx) { uint32_t crm, crn; crm = CRM(ctx->opcode); if (likely((ctx->opcode & 0x00100000))) { if (crm && ((crm & (crm - 1)) == 0)) { TCGv_i32 temp = tcg_temp_new_i32(); crn = ctz32 (crm); tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); tcg_gen_shri_i32(temp, temp, crn * 4); tcg_gen_andi_i32(cpu_crf[7 - crn], temp, 0xf); tcg_temp_free_i32(temp); } } else { TCGv_i32 temp = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); for (crn = 0 ; crn < 8 ; crn++) { if (crm & (1 << crn)) { tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); } } tcg_temp_free_i32(temp); } } /* mtmsr */ #if defined(TARGET_PPC64) static void gen_mtmsrd(DisasContext *ctx) { CHK_SV; #if !defined(CONFIG_USER_ONLY) if (ctx->opcode & 0x00010000) { /* Special form that does not need any synchronisation */ TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE)); tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE))); tcg_gen_or_tl(cpu_msr, cpu_msr, t0); tcg_temp_free(t0); } else { /* XXX: we need to update nip before the store * if we enter power saving mode, we will exit the loop * directly from ppc_store_msr */ gen_update_nip(ctx, ctx->nip); gen_helper_store_msr(cpu_env, cpu_gpr[rS(ctx->opcode)]); /* Must stop the translation as machine state (may have) changed */ /* Note that mtmsr is not always defined as context-synchronizing */ gen_stop_exception(ctx); } #endif /* !defined(CONFIG_USER_ONLY) */ } #endif /* defined(TARGET_PPC64) */ static void gen_mtmsr(DisasContext *ctx) { CHK_SV; #if !defined(CONFIG_USER_ONLY) if (ctx->opcode & 0x00010000) { /* Special form that does not need any synchronisation */ TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE)); tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(target_ulong)((1 << MSR_RI) | (1 << MSR_EE))); tcg_gen_or_tl(cpu_msr, cpu_msr, t0); tcg_temp_free(t0); } else { TCGv msr = tcg_temp_new(); /* XXX: we need to update nip before the store * if we enter power saving mode, we will exit the loop * directly from ppc_store_msr */ gen_update_nip(ctx, ctx->nip); #if defined(TARGET_PPC64) tcg_gen_deposit_tl(msr, cpu_msr, cpu_gpr[rS(ctx->opcode)], 0, 32); #else tcg_gen_mov_tl(msr, cpu_gpr[rS(ctx->opcode)]); #endif gen_helper_store_msr(cpu_env, msr); tcg_temp_free(msr); /* Must stop the translation as machine state (may have) changed */ /* Note that mtmsr is not always defined as context-synchronizing */ gen_stop_exception(ctx); } #endif } /* mtspr */ static void gen_mtspr(DisasContext *ctx) { void (*write_cb)(DisasContext *ctx, int sprn, int gprn); uint32_t sprn = SPR(ctx->opcode); #if defined(CONFIG_USER_ONLY) write_cb = ctx->spr_cb[sprn].uea_write; #else if (ctx->pr) { write_cb = ctx->spr_cb[sprn].uea_write; } else if (ctx->hv) { write_cb = ctx->spr_cb[sprn].hea_write; } else { write_cb = ctx->spr_cb[sprn].oea_write; } #endif if (likely(write_cb != NULL)) { if (likely(write_cb != SPR_NOACCESS)) { (*write_cb)(ctx, sprn, rS(ctx->opcode)); } else { /* Privilege exception */ fprintf(stderr, "Trying to write privileged spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); if (qemu_log_separate()) { qemu_log("Trying to write privileged spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); } gen_priv_exception(ctx, POWERPC_EXCP_PRIV_REG); } } else { /* ISA 2.07 defines these as no-ops */ if ((ctx->insns_flags2 & PPC2_ISA207S) && (sprn >= 808 && sprn <= 811)) { /* This is a nop */ return; } /* Not defined */ if (qemu_log_separate()) { qemu_log("Trying to write invalid spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); } fprintf(stderr, "Trying to write invalid spr %d (0x%03x) at " TARGET_FMT_lx "\n", sprn, sprn, ctx->nip - 4); /* The behaviour depends on MSR:PR and SPR# bit 0x10, * it can generate a priv, a hv emu or a no-op */ if (sprn & 0x10) { if (ctx->pr) { gen_priv_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } else { if (ctx->pr || sprn == 0) { gen_hvpriv_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } } } #if defined(TARGET_PPC64) /* setb */ static void gen_setb(DisasContext *ctx) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv_i32 t8 = tcg_temp_new_i32(); TCGv_i32 tm1 = tcg_temp_new_i32(); int crf = crfS(ctx->opcode); tcg_gen_setcondi_i32(TCG_COND_GEU, t0, cpu_crf[crf], 4); tcg_gen_movi_i32(t8, 8); tcg_gen_movi_i32(tm1, -1); tcg_gen_movcond_i32(TCG_COND_GEU, t0, cpu_crf[crf], t8, tm1, t0); tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free_i32(t0); tcg_temp_free_i32(t8); tcg_temp_free_i32(tm1); } #endif /*** Cache management ***/ /* dcbf */ static void gen_dcbf(DisasContext *ctx) { /* XXX: specification says this is treated as a load by the MMU */ TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_ld8u(ctx, t0, t0); tcg_temp_free(t0); } /* dcbi (Supervisor only) */ static void gen_dcbi(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv EA, val; CHK_SV; EA = tcg_temp_new(); gen_set_access_type(ctx, ACCESS_CACHE); gen_addr_reg_index(ctx, EA); val = tcg_temp_new(); /* XXX: specification says this should be treated as a store by the MMU */ gen_qemu_ld8u(ctx, val, EA); gen_qemu_st8(ctx, val, EA); tcg_temp_free(val); tcg_temp_free(EA); #endif /* defined(CONFIG_USER_ONLY) */ } /* dcdst */ static void gen_dcbst(DisasContext *ctx) { /* XXX: specification say this is treated as a load by the MMU */ TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_ld8u(ctx, t0, t0); tcg_temp_free(t0); } /* dcbt */ static void gen_dcbt(DisasContext *ctx) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* dcbtst */ static void gen_dcbtst(DisasContext *ctx) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* dcbtls */ static void gen_dcbtls(DisasContext *ctx) { /* Always fails locking the cache */ TCGv t0 = tcg_temp_new(); gen_load_spr(t0, SPR_Exxx_L1CSR0); tcg_gen_ori_tl(t0, t0, L1CSR0_CUL); gen_store_spr(SPR_Exxx_L1CSR0, t0); tcg_temp_free(t0); } /* dcbz */ static void gen_dcbz(DisasContext *ctx) { TCGv tcgv_addr; TCGv_i32 tcgv_op; gen_set_access_type(ctx, ACCESS_CACHE); tcgv_addr = tcg_temp_new(); tcgv_op = tcg_const_i32(ctx->opcode & 0x03FF000); gen_addr_reg_index(ctx, tcgv_addr); gen_helper_dcbz(cpu_env, tcgv_addr, tcgv_op); tcg_temp_free(tcgv_addr); tcg_temp_free_i32(tcgv_op); } /* dst / dstt */ static void gen_dst(DisasContext *ctx) { if (rA(ctx->opcode) == 0) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } else { /* interpreted as no-op */ } } /* dstst /dststt */ static void gen_dstst(DisasContext *ctx) { if (rA(ctx->opcode) == 0) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } else { /* interpreted as no-op */ } } /* dss / dssall */ static void gen_dss(DisasContext *ctx) { /* interpreted as no-op */ } /* icbi */ static void gen_icbi(DisasContext *ctx) { TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_icbi(cpu_env, t0); tcg_temp_free(t0); } /* Optional: */ /* dcba */ static void gen_dcba(DisasContext *ctx) { /* interpreted as no-op */ /* XXX: specification say this is treated as a store by the MMU * but does not generate any exception */ } /*** Segment register manipulation ***/ /* Supervisor only: */ /* mfsr */ static void gen_mfsr(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* mfsrin */ static void gen_mfsrin(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* mtsr */ static void gen_mtsr(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* mtsrin */ static void gen_mtsrin(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_store_sr(cpu_env, t0, cpu_gpr[rD(ctx->opcode)]); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } #if defined(TARGET_PPC64) /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */ /* mfsr */ static void gen_mfsr_64b(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* mfsrin */ static void gen_mfsrin_64b(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* mtsr */ static void gen_mtsr_64b(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* mtsrin */ static void gen_mtsrin_64b(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_store_sr(cpu_env, t0, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* slbmte */ static void gen_slbmte(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_store_slb(cpu_env, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_slbmfee(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_load_slb_esid(cpu_gpr[rS(ctx->opcode)], cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_slbmfev(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_load_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_slbfee_(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGLabel *l1, *l2; if (unlikely(ctx->pr)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } gen_helper_find_slb_vsid(cpu_gpr[rS(ctx->opcode)], cpu_env, cpu_gpr[rB(ctx->opcode)]); l1 = gen_new_label(); l2 = gen_new_label(); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rS(ctx->opcode)], -1, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rS(ctx->opcode)], 0); gen_set_label(l2); #endif } #endif /* defined(TARGET_PPC64) */ /*** Lookaside buffer management ***/ /* Optional & supervisor only: */ /* tlbia */ static void gen_tlbia(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_HV; gen_helper_tlbia(cpu_env); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbiel */ static void gen_tlbiel(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbie */ static void gen_tlbie(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv_i32 t1; CHK_HV; if (NARROW_MODE(ctx)) { TCGv t0 = tcg_temp_new(); tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]); gen_helper_tlbie(cpu_env, t0); tcg_temp_free(t0); } else { gen_helper_tlbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); } t1 = tcg_temp_new_i32(); tcg_gen_ld_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); tcg_gen_ori_i32(t1, t1, TLB_NEED_GLOBAL_FLUSH); tcg_gen_st_i32(t1, cpu_env, offsetof(CPUPPCState, tlb_need_flush)); tcg_temp_free_i32(t1); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbsync */ static void gen_tlbsync(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_HV; /* BookS does both ptesync and tlbsync make tlbsync a nop for server */ if (ctx->insns_flags & PPC_BOOKE) { gen_check_tlb_flush(ctx, true); } #endif /* defined(CONFIG_USER_ONLY) */ } #if defined(TARGET_PPC64) /* slbia */ static void gen_slbia(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_slbia(cpu_env); #endif /* defined(CONFIG_USER_ONLY) */ } /* slbie */ static void gen_slbie(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_slbie(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } #endif /* defined(TARGET_PPC64) */ /*** External control ***/ /* Optional: */ /* eciwx */ static void gen_eciwx(DisasContext *ctx) { TCGv t0; /* Should check EAR[E] ! */ gen_set_access_type(ctx, ACCESS_EXT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x03); gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); } /* ecowx */ static void gen_ecowx(DisasContext *ctx) { TCGv t0; /* Should check EAR[E] ! */ gen_set_access_type(ctx, ACCESS_EXT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x03); gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); } /* PowerPC 601 specific instructions */ /* abs - abs. */ static void gen_abs(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* abso - abso. */ static void gen_abso(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); TCGLabel *l3 = gen_new_label(); /* Start with XER OV disabled, the most likely case */ tcg_gen_movi_tl(cpu_ov, 0); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2); tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1); tcg_gen_movi_tl(cpu_ov, 1); tcg_gen_movi_tl(cpu_so, 1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l3); gen_set_label(l2); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* clcs */ static void gen_clcs(DisasContext *ctx) { TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode)); gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free_i32(t0); /* Rc=1 sets CR0 to an undefined state */ } /* div - div. */ static void gen_div(DisasContext *ctx) { gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* divo - divo. */ static void gen_divo(DisasContext *ctx) { gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* divs - divs. */ static void gen_divs(DisasContext *ctx) { gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* divso - divso. */ static void gen_divso(DisasContext *ctx) { gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* doz - doz. */ static void gen_doz(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1); tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* dozo - dozo. */ static void gen_dozo(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); /* Start with XER OV disabled, the most likely case */ tcg_gen_movi_tl(cpu_ov, 0); tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1); tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); tcg_gen_movi_tl(cpu_ov, 1); tcg_gen_movi_tl(cpu_so, 1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* dozi */ static void gen_dozi(DisasContext *ctx) { target_long simm = SIMM(ctx->opcode); TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1); tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* lscbx - lscbx. */ static void gen_lscbx(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode)); TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode)); TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode)); gen_addr_reg_index(ctx, t0); gen_helper_lscbx(t0, cpu_env, t0, t1, t2, t3); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F); tcg_gen_or_tl(cpu_xer, cpu_xer, t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, t0); tcg_temp_free(t0); } /* maskg - maskg. */ static void gen_maskg(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); TCGv t3 = tcg_temp_new(); tcg_gen_movi_tl(t3, 0xFFFFFFFF); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F); tcg_gen_addi_tl(t2, t0, 1); tcg_gen_shr_tl(t2, t3, t2); tcg_gen_shr_tl(t3, t3, t1); tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3); tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); tcg_temp_free(t3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* maskir - maskir. */ static void gen_maskir(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* mul - mul. */ static void gen_mul(DisasContext *ctx) { TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv t2 = tcg_temp_new(); tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_trunc_i64_tl(t2, t0); gen_store_spr(SPR_MQ, t2); tcg_gen_shri_i64(t1, t0, 32); tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulo - mulo. */ static void gen_mulo(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv t2 = tcg_temp_new(); /* Start with XER OV disabled, the most likely case */ tcg_gen_movi_tl(cpu_ov, 0); tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_trunc_i64_tl(t2, t0); gen_store_spr(SPR_MQ, t2); tcg_gen_shri_i64(t1, t0, 32); tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); tcg_gen_ext32s_i64(t1, t0); tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1); tcg_gen_movi_tl(cpu_ov, 1); tcg_gen_movi_tl(cpu_so, 1); gen_set_label(l1); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* nabs - nabs. */ static void gen_nabs(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* nabso - nabso. */ static void gen_nabso(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); /* nabs never overflows */ tcg_gen_movi_tl(cpu_ov, 0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* rlmi - rlmi. */ static void gen_rlmi(DisasContext *ctx) { uint32_t mb = MB(ctx->opcode); uint32_t me = ME(ctx->opcode); TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_andi_tl(t0, t0, MASK(mb, me)); tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me)); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* rrib - rrib. */ static void gen_rrib(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0x80000000); tcg_gen_shr_tl(t1, t1, t0); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_and_tl(t0, t0, t1); tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sle - sle. */ static void gen_sle(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sleq - sleq. */ static void gen_sleq(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t2, 0xFFFFFFFF); tcg_gen_shl_tl(t2, t2, t0); tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); gen_load_spr(t1, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_and_tl(t0, t0, t2); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sliq - sliq. */ static void gen_sliq(DisasContext *ctx) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* slliq - slliq. */ static void gen_slliq(DisasContext *ctx) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); gen_load_spr(t1, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh)); tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh)); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sllq - sllq. */ static void gen_sllq(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); TCGv t0 = tcg_temp_local_new(); TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0xFFFFFFFF); tcg_gen_shl_tl(t1, t1, t2); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); gen_load_spr(t0, SPR_MQ); tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); gen_load_spr(t2, SPR_MQ); tcg_gen_andc_tl(t1, t2, t1); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* slq - slq. */ static void gen_slq(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); gen_store_spr(SPR_MQ, t1); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sraiq - sraiq. */ static void gen_sraiq(DisasContext *ctx) { int sh = SH(ctx->opcode); TCGLabel *l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); tcg_gen_or_tl(t0, t0, t1); gen_store_spr(SPR_MQ, t0); tcg_gen_movi_tl(cpu_ca, 0); tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1); tcg_gen_movi_tl(cpu_ca, 1); gen_set_label(l1); tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sraq - sraq. */ static void gen_sraq(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_subfi_tl(t2, 32, t2); tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_or_tl(t0, t0, t2); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1); tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]); tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31); gen_set_label(l1); tcg_temp_free(t0); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1); tcg_gen_movi_tl(cpu_ca, 0); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2); tcg_gen_movi_tl(cpu_ca, 1); gen_set_label(l2); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sre - sre. */ static void gen_sre(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srea - srea. */ static void gen_srea(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); gen_store_spr(SPR_MQ, t0); tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sreq */ static void gen_sreq(DisasContext *ctx) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0xFFFFFFFF); tcg_gen_shr_tl(t1, t1, t0); tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); gen_load_spr(t2, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_and_tl(t0, t0, t1); tcg_gen_andc_tl(t2, t2, t1); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sriq */ static void gen_sriq(DisasContext *ctx) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srliq */ static void gen_srliq(DisasContext *ctx) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); gen_load_spr(t1, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh)); tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh)); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srlq */ static void gen_srlq(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGLabel *l2 = gen_new_label(); TCGv t0 = tcg_temp_local_new(); TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0xFFFFFFFF); tcg_gen_shr_tl(t2, t1, t2); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); gen_load_spr(t0, SPR_MQ); tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_and_tl(t0, t0, t2); gen_load_spr(t1, SPR_MQ); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srq */ static void gen_srq(DisasContext *ctx) { TCGLabel *l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); gen_store_spr(SPR_MQ, t1); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* PowerPC 602 specific instructions */ /* dsa */ static void gen_dsa(DisasContext *ctx) { /* XXX: TODO */ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* esa */ static void gen_esa(DisasContext *ctx) { /* XXX: TODO */ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* mfrom */ static void gen_mfrom(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } /* 602 - 603 - G2 TLB management */ /* tlbld */ static void gen_tlbld_6xx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_6xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbli */ static void gen_tlbli_6xx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_6xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } /* 74xx TLB management */ /* tlbld */ static void gen_tlbld_74xx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_74xx_tlbd(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbli */ static void gen_tlbli_74xx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_74xx_tlbi(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } /* POWER instructions not in PowerPC 601 */ /* clf */ static void gen_clf(DisasContext *ctx) { /* Cache line flush: implemented as no-op */ } /* cli */ static void gen_cli(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else /* Cache line invalidate: privileged and treated as no-op */ CHK_SV; #endif /* defined(CONFIG_USER_ONLY) */ } /* dclst */ static void gen_dclst(DisasContext *ctx) { /* Data cache line store: treated as no-op */ } static void gen_mfsri(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); tcg_gen_shri_tl(t0, t0, 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0); tcg_temp_free(t0); if (ra != 0 && ra != rd) tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_rac(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_rac(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_rfsvc(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_rfsvc(cpu_env); gen_sync_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } /* svc is not implemented for now */ /* BookE specific instructions */ /* XXX: not implemented on 440 ? */ static void gen_mfapidi(DisasContext *ctx) { /* XXX: TODO */ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* XXX: not implemented on 440 ? */ static void gen_tlbiva(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_tlbiva(cpu_env, cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* All 405 MAC instructions are translated here */ static inline void gen_405_mulladd_insn(DisasContext *ctx, int opc2, int opc3, int ra, int rb, int rt, int Rc) { TCGv t0, t1; t0 = tcg_temp_local_new(); t1 = tcg_temp_local_new(); switch (opc3 & 0x0D) { case 0x05: /* macchw - macchw. - macchwo - macchwo. */ /* macchws - macchws. - macchwso - macchwso. */ /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */ /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */ /* mulchw - mulchw. */ tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16s_tl(t1, t1); break; case 0x04: /* macchwu - macchwu. - macchwuo - macchwuo. */ /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */ /* mulchwu - mulchwu. */ tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16u_tl(t1, t1); break; case 0x01: /* machhw - machhw. - machhwo - machhwo. */ /* machhws - machhws. - machhwso - machhwso. */ /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */ /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */ /* mulhhw - mulhhw. */ tcg_gen_sari_tl(t0, cpu_gpr[ra], 16); tcg_gen_ext16s_tl(t0, t0); tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16s_tl(t1, t1); break; case 0x00: /* machhwu - machhwu. - machhwuo - machhwuo. */ /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */ /* mulhhwu - mulhhwu. */ tcg_gen_shri_tl(t0, cpu_gpr[ra], 16); tcg_gen_ext16u_tl(t0, t0); tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16u_tl(t1, t1); break; case 0x0D: /* maclhw - maclhw. - maclhwo - maclhwo. */ /* maclhws - maclhws. - maclhwso - maclhwso. */ /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */ /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */ /* mullhw - mullhw. */ tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); tcg_gen_ext16s_tl(t1, cpu_gpr[rb]); break; case 0x0C: /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */ /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */ /* mullhwu - mullhwu. */ tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); tcg_gen_ext16u_tl(t1, cpu_gpr[rb]); break; } if (opc2 & 0x04) { /* (n)multiply-and-accumulate (0x0C / 0x0E) */ tcg_gen_mul_tl(t1, t0, t1); if (opc2 & 0x02) { /* nmultiply-and-accumulate (0x0E) */ tcg_gen_sub_tl(t0, cpu_gpr[rt], t1); } else { /* multiply-and-accumulate (0x0C) */ tcg_gen_add_tl(t0, cpu_gpr[rt], t1); } if (opc3 & 0x12) { /* Check overflow and/or saturate */ TCGLabel *l1 = gen_new_label(); if (opc3 & 0x10) { /* Start with XER OV disabled, the most likely case */ tcg_gen_movi_tl(cpu_ov, 0); } if (opc3 & 0x01) { /* Signed */ tcg_gen_xor_tl(t1, cpu_gpr[rt], t1); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); tcg_gen_xor_tl(t1, cpu_gpr[rt], t0); tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1); if (opc3 & 0x02) { /* Saturate */ tcg_gen_sari_tl(t0, cpu_gpr[rt], 31); tcg_gen_xori_tl(t0, t0, 0x7fffffff); } } else { /* Unsigned */ tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); if (opc3 & 0x02) { /* Saturate */ tcg_gen_movi_tl(t0, UINT32_MAX); } } if (opc3 & 0x10) { /* Check overflow */ tcg_gen_movi_tl(cpu_ov, 1); tcg_gen_movi_tl(cpu_so, 1); } gen_set_label(l1); tcg_gen_mov_tl(cpu_gpr[rt], t0); } } else { tcg_gen_mul_tl(cpu_gpr[rt], t0, t1); } tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc) != 0) { /* Update Rc0 */ gen_set_Rc0(ctx, cpu_gpr[rt]); } } #define GEN_MAC_HANDLER(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \ rD(ctx->opcode), Rc(ctx->opcode)); \ } /* macchw - macchw. */ GEN_MAC_HANDLER(macchw, 0x0C, 0x05); /* macchwo - macchwo. */ GEN_MAC_HANDLER(macchwo, 0x0C, 0x15); /* macchws - macchws. */ GEN_MAC_HANDLER(macchws, 0x0C, 0x07); /* macchwso - macchwso. */ GEN_MAC_HANDLER(macchwso, 0x0C, 0x17); /* macchwsu - macchwsu. */ GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06); /* macchwsuo - macchwsuo. */ GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16); /* macchwu - macchwu. */ GEN_MAC_HANDLER(macchwu, 0x0C, 0x04); /* macchwuo - macchwuo. */ GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14); /* machhw - machhw. */ GEN_MAC_HANDLER(machhw, 0x0C, 0x01); /* machhwo - machhwo. */ GEN_MAC_HANDLER(machhwo, 0x0C, 0x11); /* machhws - machhws. */ GEN_MAC_HANDLER(machhws, 0x0C, 0x03); /* machhwso - machhwso. */ GEN_MAC_HANDLER(machhwso, 0x0C, 0x13); /* machhwsu - machhwsu. */ GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02); /* machhwsuo - machhwsuo. */ GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12); /* machhwu - machhwu. */ GEN_MAC_HANDLER(machhwu, 0x0C, 0x00); /* machhwuo - machhwuo. */ GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10); /* maclhw - maclhw. */ GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D); /* maclhwo - maclhwo. */ GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D); /* maclhws - maclhws. */ GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F); /* maclhwso - maclhwso. */ GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F); /* maclhwu - maclhwu. */ GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C); /* maclhwuo - maclhwuo. */ GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C); /* maclhwsu - maclhwsu. */ GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E); /* maclhwsuo - maclhwsuo. */ GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E); /* nmacchw - nmacchw. */ GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05); /* nmacchwo - nmacchwo. */ GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15); /* nmacchws - nmacchws. */ GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07); /* nmacchwso - nmacchwso. */ GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17); /* nmachhw - nmachhw. */ GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01); /* nmachhwo - nmachhwo. */ GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11); /* nmachhws - nmachhws. */ GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03); /* nmachhwso - nmachhwso. */ GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13); /* nmaclhw - nmaclhw. */ GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D); /* nmaclhwo - nmaclhwo. */ GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D); /* nmaclhws - nmaclhws. */ GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F); /* nmaclhwso - nmaclhwso. */ GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F); /* mulchw - mulchw. */ GEN_MAC_HANDLER(mulchw, 0x08, 0x05); /* mulchwu - mulchwu. */ GEN_MAC_HANDLER(mulchwu, 0x08, 0x04); /* mulhhw - mulhhw. */ GEN_MAC_HANDLER(mulhhw, 0x08, 0x01); /* mulhhwu - mulhhwu. */ GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00); /* mullhw - mullhw. */ GEN_MAC_HANDLER(mullhw, 0x08, 0x0D); /* mullhwu - mullhwu. */ GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C); /* mfdcr */ static void gen_mfdcr(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv dcrn; CHK_SV; dcrn = tcg_const_tl(SPR(ctx->opcode)); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, dcrn); tcg_temp_free(dcrn); #endif /* defined(CONFIG_USER_ONLY) */ } /* mtdcr */ static void gen_mtdcr(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv dcrn; CHK_SV; dcrn = tcg_const_tl(SPR(ctx->opcode)); gen_helper_store_dcr(cpu_env, dcrn, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(dcrn); #endif /* defined(CONFIG_USER_ONLY) */ } /* mfdcrx */ /* XXX: not implemented on 440 ? */ static void gen_mfdcrx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ #endif /* defined(CONFIG_USER_ONLY) */ } /* mtdcrx */ /* XXX: not implemented on 440 ? */ static void gen_mtdcrx(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ #endif /* defined(CONFIG_USER_ONLY) */ } /* mfdcrux (PPC 460) : user-mode access to DCR */ static void gen_mfdcrux(DisasContext *ctx) { gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ } /* mtdcrux (PPC 460) : user-mode access to DCR */ static void gen_mtdcrux(DisasContext *ctx) { gen_helper_store_dcr(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ } /* dccci */ static void gen_dccci(DisasContext *ctx) { CHK_SV; /* interpreted as no-op */ } /* dcread */ static void gen_dcread(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv EA, val; CHK_SV; gen_set_access_type(ctx, ACCESS_CACHE); EA = tcg_temp_new(); gen_addr_reg_index(ctx, EA); val = tcg_temp_new(); gen_qemu_ld32u(ctx, val, EA); tcg_temp_free(val); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA); tcg_temp_free(EA); #endif /* defined(CONFIG_USER_ONLY) */ } /* icbt */ static void gen_icbt_40x(DisasContext *ctx) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* iccci */ static void gen_iccci(DisasContext *ctx) { CHK_SV; /* interpreted as no-op */ } /* icread */ static void gen_icread(DisasContext *ctx) { CHK_SV; /* interpreted as no-op */ } /* rfci (supervisor only) */ static void gen_rfci_40x(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; /* Restore CPU state */ gen_helper_40x_rfci(cpu_env); gen_sync_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_rfci(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; /* Restore CPU state */ gen_helper_rfci(cpu_env); gen_sync_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } /* BookE specific */ /* XXX: not implemented on 440 ? */ static void gen_rfdi(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; /* Restore CPU state */ gen_helper_rfdi(cpu_env); gen_sync_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } /* XXX: not implemented on 440 ? */ static void gen_rfmci(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; /* Restore CPU state */ gen_helper_rfmci(cpu_env); gen_sync_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } /* TLB management - PowerPC 405 implementation */ /* tlbre */ static void gen_tlbre_40x(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; switch (rB(ctx->opcode)) { case 0: gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); break; case 1: gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_env, cpu_gpr[rA(ctx->opcode)]); break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbsx - tlbsx. */ static void gen_tlbsx_40x(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); if (Rc(ctx->opcode)) { TCGLabel *l1 = gen_new_label(); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); gen_set_label(l1); } #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbwe */ static void gen_tlbwe_40x(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; switch (rB(ctx->opcode)) { case 0: gen_helper_4xx_tlbwe_hi(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); break; case 1: gen_helper_4xx_tlbwe_lo(cpu_env, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif /* defined(CONFIG_USER_ONLY) */ } /* TLB management - PowerPC 440 implementation */ /* tlbre */ static void gen_tlbre_440(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; switch (rB(ctx->opcode)) { case 0: case 1: case 2: { TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); gen_helper_440_tlbre(cpu_gpr[rD(ctx->opcode)], cpu_env, t0, cpu_gpr[rA(ctx->opcode)]); tcg_temp_free_i32(t0); } break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbsx - tlbsx. */ static void gen_tlbsx_440(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], cpu_env, t0); tcg_temp_free(t0); if (Rc(ctx->opcode)) { TCGLabel *l1 = gen_new_label(); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_so); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); gen_set_label(l1); } #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbwe */ static void gen_tlbwe_440(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; switch (rB(ctx->opcode)) { case 0: case 1: case 2: { TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); gen_helper_440_tlbwe(cpu_env, t0, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); tcg_temp_free_i32(t0); } break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif /* defined(CONFIG_USER_ONLY) */ } /* TLB management - PowerPC BookE 2.06 implementation */ /* tlbre */ static void gen_tlbre_booke206(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_booke206_tlbre(cpu_env); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbsx - tlbsx. */ static void gen_tlbsx_booke206(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; if (rA(ctx->opcode)) { t0 = tcg_temp_new(); tcg_gen_mov_tl(t0, cpu_gpr[rD(ctx->opcode)]); } else { t0 = tcg_const_tl(0); } tcg_gen_add_tl(t0, t0, cpu_gpr[rB(ctx->opcode)]); gen_helper_booke206_tlbsx(cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* tlbwe */ static void gen_tlbwe_booke206(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_booke206_tlbwe(cpu_env); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_tlbivax_booke206(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_booke206_tlbivax(cpu_env, t0); tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_tlbilx_booke206(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); switch((ctx->opcode >> 21) & 0x3) { case 0: gen_helper_booke206_tlbilx0(cpu_env, t0); break; case 1: gen_helper_booke206_tlbilx1(cpu_env, t0); break; case 3: gen_helper_booke206_tlbilx3(cpu_env, t0); break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } tcg_temp_free(t0); #endif /* defined(CONFIG_USER_ONLY) */ } /* wrtee */ static void gen_wrtee(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else TCGv t0; CHK_SV; t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE)); tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); tcg_gen_or_tl(cpu_msr, cpu_msr, t0); tcg_temp_free(t0); /* Stop translation to have a chance to raise an exception * if we just set msr_ee to 1 */ gen_stop_exception(ctx); #endif /* defined(CONFIG_USER_ONLY) */ } /* wrteei */ static void gen_wrteei(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; if (ctx->opcode & 0x00008000) { tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE)); /* Stop translation to have a chance to raise an exception */ gen_stop_exception(ctx); } else { tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); } #endif /* defined(CONFIG_USER_ONLY) */ } /* PowerPC 440 specific instructions */ /* dlmzb */ static void gen_dlmzb(DisasContext *ctx) { TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode)); gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_env, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } /* mbar replaces eieio on 440 */ static void gen_mbar(DisasContext *ctx) { /* interpreted as no-op */ } /* msync replaces sync on 440 */ static void gen_msync_4xx(DisasContext *ctx) { /* interpreted as no-op */ } /* icbt */ static void gen_icbt_440(DisasContext *ctx) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* Embedded.Processor Control */ static void gen_msgclr(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_msgclr(cpu_env, cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } static void gen_msgsnd(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) GEN_PRIV; #else CHK_SV; gen_helper_msgsnd(cpu_gpr[rB(ctx->opcode)]); #endif /* defined(CONFIG_USER_ONLY) */ } #if defined(TARGET_PPC64) static void gen_maddld(DisasContext *ctx) { TCGv_i64 t1 = tcg_temp_new_i64(); tcg_gen_mul_i64(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_add_i64(cpu_gpr[rD(ctx->opcode)], t1, cpu_gpr[rC(ctx->opcode)]); tcg_temp_free_i64(t1); } /* maddhd maddhdu */ static void gen_maddhd_maddhdu(DisasContext *ctx) { TCGv_i64 lo = tcg_temp_new_i64(); TCGv_i64 hi = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); if (Rc(ctx->opcode)) { tcg_gen_mulu2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_movi_i64(t1, 0); } else { tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_sari_i64(t1, cpu_gpr[rC(ctx->opcode)], 63); } tcg_gen_add2_i64(t1, cpu_gpr[rD(ctx->opcode)], lo, hi, cpu_gpr[rC(ctx->opcode)], t1); tcg_temp_free_i64(lo); tcg_temp_free_i64(hi); tcg_temp_free_i64(t1); } #endif /* defined(TARGET_PPC64) */ static void gen_tbegin(DisasContext *ctx) { if (unlikely(!ctx->tm_enabled)) { gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); return; } gen_helper_tbegin(cpu_env); } #define GEN_TM_NOOP(name) \ static inline void gen_##name(DisasContext *ctx) \ { \ if (unlikely(!ctx->tm_enabled)) { \ gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ return; \ } \ /* Because tbegin always fails in QEMU, these user \ * space instructions all have a simple implementation: \ * \ * CR[0] = 0b0 || MSR[TS] || 0b0 \ * = 0b0 || 0b00 || 0b0 \ */ \ tcg_gen_movi_i32(cpu_crf[0], 0); \ } GEN_TM_NOOP(tend); GEN_TM_NOOP(tabort); GEN_TM_NOOP(tabortwc); GEN_TM_NOOP(tabortwci); GEN_TM_NOOP(tabortdc); GEN_TM_NOOP(tabortdci); GEN_TM_NOOP(tsr); static void gen_tcheck(DisasContext *ctx) { if (unlikely(!ctx->tm_enabled)) { gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); return; } /* Because tbegin always fails, the tcheck implementation * is simple: * * CR[CRF] = TDOOMED || MSR[TS] || 0b0 * = 0b1 || 0b00 || 0b0 */ tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0x8); } #if defined(CONFIG_USER_ONLY) #define GEN_TM_PRIV_NOOP(name) \ static inline void gen_##name(DisasContext *ctx) \ { \ gen_priv_exception(ctx, POWERPC_EXCP_PRIV_OPC); \ } #else #define GEN_TM_PRIV_NOOP(name) \ static inline void gen_##name(DisasContext *ctx) \ { \ CHK_SV; \ if (unlikely(!ctx->tm_enabled)) { \ gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_TM); \ return; \ } \ /* Because tbegin always fails, the implementation is \ * simple: \ * \ * CR[0] = 0b0 || MSR[TS] || 0b0 \ * = 0b0 || 0b00 | 0b0 \ */ \ tcg_gen_movi_i32(cpu_crf[0], 0); \ } #endif GEN_TM_PRIV_NOOP(treclaim); GEN_TM_PRIV_NOOP(trechkpt); #include "translate/fp-impl.inc.c" #include "translate/vmx-impl.inc.c" #include "translate/vsx-impl.inc.c" #include "translate/dfp-impl.inc.c" #include "translate/spe-impl.inc.c" static opcode_t opcodes[] = { GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE), GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER), GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER), GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400001, PPC_INTEGER), GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER), #if defined(TARGET_PPC64) GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300), #endif GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300), GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL), GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER), GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER), GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER), GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER), GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), #if defined(TARGET_PPC64) GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B), #endif GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER), GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER), GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER), GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER), GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(popcntb, 0x1F, 0x1A, 0x03, 0x0000F801, PPC_POPCNTB), GEN_HANDLER(popcntw, 0x1F, 0x1A, 0x0b, 0x0000F801, PPC_POPCNTWD), GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), #if defined(TARGET_PPC64) GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(darn, 0x1F, 0x13, 0x17, 0x001CF801, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), #endif GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER), GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER), GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER), GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER), #if defined(TARGET_PPC64) GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B), GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B), GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B), GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B), GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B), GEN_HANDLER2_E(extswsli0, "extswsli", 0x1F, 0x1A, 0x1B, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000, PPC_NONE, PPC2_ISA300), #endif #if defined(TARGET_PPC64) GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B), GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX), GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B), #endif GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING), GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING), GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING), GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING), GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO), GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM), GEN_HANDLER_E(lbarx, 0x1F, 0x14, 0x01, 0, PPC_NONE, PPC2_ATOMIC_ISA206), GEN_HANDLER_E(lharx, 0x1F, 0x14, 0x03, 0, PPC_NONE, PPC2_ATOMIC_ISA206), GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000000, PPC_RES), GEN_HANDLER_E(stbcx_, 0x1F, 0x16, 0x15, 0, PPC_NONE, PPC2_ATOMIC_ISA206), GEN_HANDLER_E(sthcx_, 0x1F, 0x16, 0x16, 0, PPC_NONE, PPC2_ATOMIC_ISA206), GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES), #if defined(TARGET_PPC64) GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000000, PPC_64B), GEN_HANDLER_E(lqarx, 0x1F, 0x14, 0x08, 0, PPC_NONE, PPC2_LSQ_ISA207), GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B), GEN_HANDLER_E(stqcx_, 0x1F, 0x16, 0x05, 0, PPC_NONE, PPC2_LSQ_ISA207), #endif GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC), GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT), GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW), GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW), GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW), GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW), GEN_HANDLER_E(bctar, 0x13, 0x10, 0x11, 0x0000E000, PPC_NONE, PPC2_BCTAR_ISA207), GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER), GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW), #if defined(TARGET_PPC64) GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B), GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), #endif GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW), GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW), GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW), #if defined(TARGET_PPC64) GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B), GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B), #endif GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC), GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC), GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC), GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC), GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB), GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC), #if defined(TARGET_PPC64) GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B), GEN_HANDLER_E(setb, 0x1F, 0x00, 0x04, 0x0003F801, PPC_NONE, PPC2_ISA300), #endif GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001EF801, PPC_MISC), GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000000, PPC_MISC), GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE), GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE), GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE), GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x00000001, PPC_CACHE), GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x00000001, PPC_CACHE), GEN_HANDLER_E(dcbtls, 0x1F, 0x06, 0x05, 0x02000001, PPC_BOOKE, PPC2_BOOKE206), GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZ), GEN_HANDLER(dst, 0x1F, 0x16, 0x0A, 0x01800001, PPC_ALTIVEC), GEN_HANDLER(dstst, 0x1F, 0x16, 0x0B, 0x02000001, PPC_ALTIVEC), GEN_HANDLER(dss, 0x1F, 0x16, 0x19, 0x019FF801, PPC_ALTIVEC), GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI), GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA), GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT), GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT), GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT), GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT), #if defined(TARGET_PPC64) GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B), GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT_64B), GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B), GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT_64B), GEN_HANDLER2(slbmte, "slbmte", 0x1F, 0x12, 0x0C, 0x001F0001, PPC_SEGMENT_64B), GEN_HANDLER2(slbmfee, "slbmfee", 0x1F, 0x13, 0x1C, 0x001F0001, PPC_SEGMENT_64B), GEN_HANDLER2(slbmfev, "slbmfev", 0x1F, 0x13, 0x1A, 0x001F0001, PPC_SEGMENT_64B), GEN_HANDLER2(slbfee_, "slbfee.", 0x1F, 0x13, 0x1E, 0x001F0000, PPC_SEGMENT_64B), #endif GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA), /* XXX Those instructions will need to be handled differently for * different ISA versions */ GEN_HANDLER(tlbiel, 0x1F, 0x12, 0x08, 0x001F0001, PPC_MEM_TLBIE), GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x001F0001, PPC_MEM_TLBIE), GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC), #if defined(TARGET_PPC64) GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x031FFC01, PPC_SLBI), GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI), #endif GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN), GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN), GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR), GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR), GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR), GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR), GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR), GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR), GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR), GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR), GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR), GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR), GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR), GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR), GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR), GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR), GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR), GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR), GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR), GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR), GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR), GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR), GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR), GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR), GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR), GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC), GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC), GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC), GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB), GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB), GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB), GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB), GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER), GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER), GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER), GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER), GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER), GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER), GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2), GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2), GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2), GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2), GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2), GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2), GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2), GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2), GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI), GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA), GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR), GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR), GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX), GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX), GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX), GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX), GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON), GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON), GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT), GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON), GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON), GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP), GEN_HANDLER_E(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE, PPC2_BOOKE206), GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI), GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI), GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB), GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB), GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB), GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE), GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE), GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE), GEN_HANDLER2_E(tlbre_booke206, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER2_E(tlbsx_booke206, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER2_E(tlbwe_booke206, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER2_E(tlbivax_booke206, "tlbivax", 0x1F, 0x12, 0x18, 0x00000001, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER2_E(tlbilx_booke206, "tlbilx", 0x1F, 0x12, 0x00, 0x03800001, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER2_E(msgsnd, "msgsnd", 0x1F, 0x0E, 0x06, 0x03ff0001, PPC_NONE, PPC2_PRCNTL), GEN_HANDLER2_E(msgclr, "msgclr", 0x1F, 0x0E, 0x07, 0x03ff0001, PPC_NONE, PPC2_PRCNTL), GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE), GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000E7C01, PPC_WRTEE), GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC), GEN_HANDLER_E(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, PPC_BOOKE, PPC2_BOOKE206), GEN_HANDLER(msync_4xx, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE), GEN_HANDLER2_E(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, PPC_BOOKE, PPC2_BOOKE206), GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC), GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC), GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC), GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC), GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC), #if defined(TARGET_PPC64) GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), #endif #undef GEN_INT_ARITH_ADD #undef GEN_INT_ARITH_ADD_CONST #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER), #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER), GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) #undef GEN_INT_ARITH_DIVW #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0), GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1), GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0), GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1), GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), #if defined(TARGET_PPC64) #undef GEN_INT_ARITH_DIVD #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0), GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1), GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0), GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1), GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), #undef GEN_INT_ARITH_MUL_HELPER #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \ GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00), GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02), GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17), #endif #undef GEN_INT_ARITH_SUBF #undef GEN_INT_ARITH_SUBF_CONST #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER), #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER), GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) #undef GEN_LOGICAL1 #undef GEN_LOGICAL2 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) #define GEN_LOGICAL1(name, tcg_op, opc, type) \ GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER), GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER), GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER), GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER), GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER), GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER), GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER), GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER), #if defined(TARGET_PPC64) GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B), #endif #if defined(TARGET_PPC64) #undef GEN_PPC64_R2 #undef GEN_PPC64_R4 #define GEN_PPC64_R2(name, opc1, opc2) \ GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ PPC_64B) #define GEN_PPC64_R4(name, opc1, opc2) \ GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B),\ GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \ PPC_64B), \ GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ PPC_64B), \ GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \ PPC_64B) GEN_PPC64_R4(rldicl, 0x1E, 0x00), GEN_PPC64_R4(rldicr, 0x1E, 0x02), GEN_PPC64_R4(rldic, 0x1E, 0x04), GEN_PPC64_R2(rldcl, 0x1E, 0x08), GEN_PPC64_R2(rldcr, 0x1E, 0x09), GEN_PPC64_R4(rldimi, 0x1E, 0x06), #endif #undef GEN_LD #undef GEN_LDU #undef GEN_LDUX #undef GEN_LDX_E #undef GEN_LDS #define GEN_LD(name, ldop, opc, type) \ GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type), #define GEN_LDU(name, ldop, opc, type) \ GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type), #define GEN_LDUX(name, ldop, opc2, opc3, type) \ GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type), #define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \ GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2), #define GEN_LDS(name, ldop, op, type) \ GEN_LD(name, ldop, op | 0x20, type) \ GEN_LDU(name, ldop, op | 0x21, type) \ GEN_LDUX(name, ldop, 0x17, op | 0x01, type) \ GEN_LDX(name, ldop, 0x17, op | 0x00, type) GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER) GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER) GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER) GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER) #if defined(TARGET_PPC64) GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B) GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B) GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B) GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B) GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE) /* HV/P7 and later only */ GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST) GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x18, PPC_CILDST) GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST) GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST) #endif GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER) GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER) #undef GEN_ST #undef GEN_STU #undef GEN_STUX #undef GEN_STX_E #undef GEN_STS #define GEN_ST(name, stop, opc, type) \ GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type), #define GEN_STU(name, stop, opc, type) \ GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type), #define GEN_STUX(name, stop, opc2, opc3, type) \ GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type), #define GEN_STX_E(name, stop, opc2, opc3, type, type2, chk) \ GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2), #define GEN_STS(name, stop, op, type) \ GEN_ST(name, stop, op | 0x20, type) \ GEN_STU(name, stop, op | 0x21, type) \ GEN_STUX(name, stop, 0x17, op | 0x01, type) \ GEN_STX(name, stop, 0x17, op | 0x00, type) GEN_STS(stb, st8, 0x06, PPC_INTEGER) GEN_STS(sth, st16, 0x0C, PPC_INTEGER) GEN_STS(stw, st32, 0x04, PPC_INTEGER) #if defined(TARGET_PPC64) GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B) GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B) GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE) GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST) GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST) GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST) GEN_STX_HVRM(stbcix, st8, 0x15, 0x1e, PPC_CILDST) #endif GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER) GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER) #undef GEN_CRLOGIC #define GEN_CRLOGIC(name, tcg_op, opc) \ GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08), GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04), GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09), GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07), GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01), GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E), GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D), GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06), #undef GEN_MAC_HANDLER #define GEN_MAC_HANDLER(name, opc2, opc3) \ GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) GEN_MAC_HANDLER(macchw, 0x0C, 0x05), GEN_MAC_HANDLER(macchwo, 0x0C, 0x15), GEN_MAC_HANDLER(macchws, 0x0C, 0x07), GEN_MAC_HANDLER(macchwso, 0x0C, 0x17), GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06), GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16), GEN_MAC_HANDLER(macchwu, 0x0C, 0x04), GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14), GEN_MAC_HANDLER(machhw, 0x0C, 0x01), GEN_MAC_HANDLER(machhwo, 0x0C, 0x11), GEN_MAC_HANDLER(machhws, 0x0C, 0x03), GEN_MAC_HANDLER(machhwso, 0x0C, 0x13), GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02), GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12), GEN_MAC_HANDLER(machhwu, 0x0C, 0x00), GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10), GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D), GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D), GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F), GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F), GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C), GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C), GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E), GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E), GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05), GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15), GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07), GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17), GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01), GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11), GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03), GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13), GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D), GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D), GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F), GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F), GEN_MAC_HANDLER(mulchw, 0x08, 0x05), GEN_MAC_HANDLER(mulchwu, 0x08, 0x04), GEN_MAC_HANDLER(mulhhw, 0x08, 0x01), GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00), GEN_MAC_HANDLER(mullhw, 0x08, 0x0D), GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C), GEN_HANDLER2_E(tbegin, "tbegin", 0x1F, 0x0E, 0x14, 0x01DFF800, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tend, "tend", 0x1F, 0x0E, 0x15, 0x01FFF800, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tabort, "tabort", 0x1F, 0x0E, 0x1C, 0x03E0F800, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tabortwc, "tabortwc", 0x1F, 0x0E, 0x18, 0x00000000, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tabortwci, "tabortwci", 0x1F, 0x0E, 0x1A, 0x00000000, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tabortdc, "tabortdc", 0x1F, 0x0E, 0x19, 0x00000000, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tabortdci, "tabortdci", 0x1F, 0x0E, 0x1B, 0x00000000, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tsr, "tsr", 0x1F, 0x0E, 0x17, 0x03DFF800, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(tcheck, "tcheck", 0x1F, 0x0E, 0x16, 0x007FF800, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(treclaim, "treclaim", 0x1F, 0x0E, 0x1D, 0x03E0F800, \ PPC_NONE, PPC2_TM), GEN_HANDLER2_E(trechkpt, "trechkpt", 0x1F, 0x0E, 0x1F, 0x03FFF800, \ PPC_NONE, PPC2_TM), #include "translate/fp-ops.inc.c" #include "translate/vmx-ops.inc.c" #include "translate/vsx-ops.inc.c" #include "translate/dfp-ops.inc.c" #include "translate/spe-ops.inc.c" }; #include "helper_regs.h" #include "translate_init.c" /*****************************************************************************/ /* Misc PowerPC helpers */ void ppc_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, int flags) { #define RGPL 4 #define RFPL 4 PowerPCCPU *cpu = POWERPC_CPU(cs); CPUPPCState *env = &cpu->env; int i; cpu_fprintf(f, "NIP " TARGET_FMT_lx " LR " TARGET_FMT_lx " CTR " TARGET_FMT_lx " XER " TARGET_FMT_lx " CPU#%d\n", env->nip, env->lr, env->ctr, cpu_read_xer(env), cs->cpu_index); cpu_fprintf(f, "MSR " TARGET_FMT_lx " HID0 " TARGET_FMT_lx " HF " TARGET_FMT_lx " iidx %d didx %d\n", env->msr, env->spr[SPR_HID0], env->hflags, env->immu_idx, env->dmmu_idx); #if !defined(NO_TIMER_DUMP) cpu_fprintf(f, "TB %08" PRIu32 " %08" PRIu64 #if !defined(CONFIG_USER_ONLY) " DECR %08" PRIu32 #endif "\n", cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env) #if !defined(CONFIG_USER_ONLY) , cpu_ppc_load_decr(env) #endif ); #endif for (i = 0; i < 32; i++) { if ((i & (RGPL - 1)) == 0) cpu_fprintf(f, "GPR%02d", i); cpu_fprintf(f, " %016" PRIx64, ppc_dump_gpr(env, i)); if ((i & (RGPL - 1)) == (RGPL - 1)) cpu_fprintf(f, "\n"); } cpu_fprintf(f, "CR "); for (i = 0; i < 8; i++) cpu_fprintf(f, "%01x", env->crf[i]); cpu_fprintf(f, " ["); for (i = 0; i < 8; i++) { char a = '-'; if (env->crf[i] & 0x08) a = 'L'; else if (env->crf[i] & 0x04) a = 'G'; else if (env->crf[i] & 0x02) a = 'E'; cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); } cpu_fprintf(f, " ] RES " TARGET_FMT_lx "\n", env->reserve_addr); for (i = 0; i < 32; i++) { if ((i & (RFPL - 1)) == 0) cpu_fprintf(f, "FPR%02d", i); cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i])); if ((i & (RFPL - 1)) == (RFPL - 1)) cpu_fprintf(f, "\n"); } cpu_fprintf(f, "FPSCR " TARGET_FMT_lx "\n", env->fpscr); #if !defined(CONFIG_USER_ONLY) cpu_fprintf(f, " SRR0 " TARGET_FMT_lx " SRR1 " TARGET_FMT_lx " PVR " TARGET_FMT_lx " VRSAVE " TARGET_FMT_lx "\n", env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->spr[SPR_PVR], env->spr[SPR_VRSAVE]); cpu_fprintf(f, "SPRG0 " TARGET_FMT_lx " SPRG1 " TARGET_FMT_lx " SPRG2 " TARGET_FMT_lx " SPRG3 " TARGET_FMT_lx "\n", env->spr[SPR_SPRG0], env->spr[SPR_SPRG1], env->spr[SPR_SPRG2], env->spr[SPR_SPRG3]); cpu_fprintf(f, "SPRG4 " TARGET_FMT_lx " SPRG5 " TARGET_FMT_lx " SPRG6 " TARGET_FMT_lx " SPRG7 " TARGET_FMT_lx "\n", env->spr[SPR_SPRG4], env->spr[SPR_SPRG5], env->spr[SPR_SPRG6], env->spr[SPR_SPRG7]); #if defined(TARGET_PPC64) if (env->excp_model == POWERPC_EXCP_POWER7 || env->excp_model == POWERPC_EXCP_POWER8) { cpu_fprintf(f, "HSRR0 " TARGET_FMT_lx " HSRR1 " TARGET_FMT_lx "\n", env->spr[SPR_HSRR0], env->spr[SPR_HSRR1]); } #endif if (env->excp_model == POWERPC_EXCP_BOOKE) { cpu_fprintf(f, "CSRR0 " TARGET_FMT_lx " CSRR1 " TARGET_FMT_lx " MCSRR0 " TARGET_FMT_lx " MCSRR1 " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_CSRR0], env->spr[SPR_BOOKE_CSRR1], env->spr[SPR_BOOKE_MCSRR0], env->spr[SPR_BOOKE_MCSRR1]); cpu_fprintf(f, " TCR " TARGET_FMT_lx " TSR " TARGET_FMT_lx " ESR " TARGET_FMT_lx " DEAR " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_TCR], env->spr[SPR_BOOKE_TSR], env->spr[SPR_BOOKE_ESR], env->spr[SPR_BOOKE_DEAR]); cpu_fprintf(f, " PIR " TARGET_FMT_lx " DECAR " TARGET_FMT_lx " IVPR " TARGET_FMT_lx " EPCR " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_PIR], env->spr[SPR_BOOKE_DECAR], env->spr[SPR_BOOKE_IVPR], env->spr[SPR_BOOKE_EPCR]); cpu_fprintf(f, " MCSR " TARGET_FMT_lx " SPRG8 " TARGET_FMT_lx " EPR " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_MCSR], env->spr[SPR_BOOKE_SPRG8], env->spr[SPR_BOOKE_EPR]); /* FSL-specific */ cpu_fprintf(f, " MCAR " TARGET_FMT_lx " PID1 " TARGET_FMT_lx " PID2 " TARGET_FMT_lx " SVR " TARGET_FMT_lx "\n", env->spr[SPR_Exxx_MCAR], env->spr[SPR_BOOKE_PID1], env->spr[SPR_BOOKE_PID2], env->spr[SPR_E500_SVR]); /* * IVORs are left out as they are large and do not change often -- * they can be read with "p $ivor0", "p $ivor1", etc. */ } #if defined(TARGET_PPC64) if (env->flags & POWERPC_FLAG_CFAR) { cpu_fprintf(f, " CFAR " TARGET_FMT_lx"\n", env->cfar); } #endif switch (env->mmu_model) { case POWERPC_MMU_32B: case POWERPC_MMU_601: case POWERPC_MMU_SOFT_6xx: case POWERPC_MMU_SOFT_74xx: #if defined(TARGET_PPC64) case POWERPC_MMU_64B: case POWERPC_MMU_2_03: case POWERPC_MMU_2_06: case POWERPC_MMU_2_06a: case POWERPC_MMU_2_07: case POWERPC_MMU_2_07a: #endif cpu_fprintf(f, " SDR1 " TARGET_FMT_lx " DAR " TARGET_FMT_lx " DSISR " TARGET_FMT_lx "\n", env->spr[SPR_SDR1], env->spr[SPR_DAR], env->spr[SPR_DSISR]); break; case POWERPC_MMU_BOOKE206: cpu_fprintf(f, " MAS0 " TARGET_FMT_lx " MAS1 " TARGET_FMT_lx " MAS2 " TARGET_FMT_lx " MAS3 " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_MAS0], env->spr[SPR_BOOKE_MAS1], env->spr[SPR_BOOKE_MAS2], env->spr[SPR_BOOKE_MAS3]); cpu_fprintf(f, " MAS4 " TARGET_FMT_lx " MAS6 " TARGET_FMT_lx " MAS7 " TARGET_FMT_lx " PID " TARGET_FMT_lx "\n", env->spr[SPR_BOOKE_MAS4], env->spr[SPR_BOOKE_MAS6], env->spr[SPR_BOOKE_MAS7], env->spr[SPR_BOOKE_PID]); cpu_fprintf(f, "MMUCFG " TARGET_FMT_lx " TLB0CFG " TARGET_FMT_lx " TLB1CFG " TARGET_FMT_lx "\n", env->spr[SPR_MMUCFG], env->spr[SPR_BOOKE_TLB0CFG], env->spr[SPR_BOOKE_TLB1CFG]); break; default: break; } #endif #undef RGPL #undef RFPL } void ppc_cpu_dump_statistics(CPUState *cs, FILE*f, fprintf_function cpu_fprintf, int flags) { #if defined(DO_PPC_STATISTICS) PowerPCCPU *cpu = POWERPC_CPU(cs); opc_handler_t **t1, **t2, **t3, *handler; int op1, op2, op3; t1 = cpu->env.opcodes; for (op1 = 0; op1 < 64; op1++) { handler = t1[op1]; if (is_indirect_opcode(handler)) { t2 = ind_table(handler); for (op2 = 0; op2 < 32; op2++) { handler = t2[op2]; if (is_indirect_opcode(handler)) { t3 = ind_table(handler); for (op3 = 0; op3 < 32; op3++) { handler = t3[op3]; if (handler->count == 0) continue; cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: " "%016" PRIx64 " %" PRId64 "\n", op1, op2, op3, op1, (op3 << 5) | op2, handler->oname, handler->count, handler->count); } } else { if (handler->count == 0) continue; cpu_fprintf(f, "%02x %02x (%02x %04d) %16s: " "%016" PRIx64 " %" PRId64 "\n", op1, op2, op1, op2, handler->oname, handler->count, handler->count); } } } else { if (handler->count == 0) continue; cpu_fprintf(f, "%02x (%02x ) %16s: %016" PRIx64 " %" PRId64 "\n", op1, op1, handler->oname, handler->count, handler->count); } } #endif } /*****************************************************************************/ void gen_intermediate_code(CPUPPCState *env, struct TranslationBlock *tb) { PowerPCCPU *cpu = ppc_env_get_cpu(env); CPUState *cs = CPU(cpu); DisasContext ctx, *ctxp = &ctx; opc_handler_t **table, *handler; target_ulong pc_start; int num_insns; int max_insns; pc_start = tb->pc; ctx.nip = pc_start; ctx.tb = tb; ctx.exception = POWERPC_EXCP_NONE; ctx.spr_cb = env->spr_cb; ctx.pr = msr_pr; ctx.mem_idx = env->dmmu_idx; ctx.dr = msr_dr; #if !defined(CONFIG_USER_ONLY) ctx.hv = msr_hv || !env->has_hv_mode; #endif ctx.insns_flags = env->insns_flags; ctx.insns_flags2 = env->insns_flags2; ctx.access_type = -1; ctx.need_access_type = !(env->mmu_model & POWERPC_MMU_64B); ctx.le_mode = !!(env->hflags & (1 << MSR_LE)); ctx.default_tcg_memop_mask = ctx.le_mode ? MO_LE : MO_BE; #if defined(TARGET_PPC64) ctx.sf_mode = msr_is_64bit(env, env->msr); ctx.has_cfar = !!(env->flags & POWERPC_FLAG_CFAR); #endif if (env->mmu_model == POWERPC_MMU_32B || env->mmu_model == POWERPC_MMU_601 || (env->mmu_model & POWERPC_MMU_64B)) ctx.lazy_tlb_flush = true; ctx.fpu_enabled = !!msr_fp; if ((env->flags & POWERPC_FLAG_SPE) && msr_spe) ctx.spe_enabled = !!msr_spe; else ctx.spe_enabled = false; if ((env->flags & POWERPC_FLAG_VRE) && msr_vr) ctx.altivec_enabled = !!msr_vr; else ctx.altivec_enabled = false; if ((env->flags & POWERPC_FLAG_VSX) && msr_vsx) { ctx.vsx_enabled = !!msr_vsx; } else { ctx.vsx_enabled = false; } #if defined(TARGET_PPC64) if ((env->flags & POWERPC_FLAG_TM) && msr_tm) { ctx.tm_enabled = !!msr_tm; } else { ctx.tm_enabled = false; } #endif if ((env->flags & POWERPC_FLAG_SE) && msr_se) ctx.singlestep_enabled = CPU_SINGLE_STEP; else ctx.singlestep_enabled = 0; if ((env->flags & POWERPC_FLAG_BE) && msr_be) ctx.singlestep_enabled |= CPU_BRANCH_STEP; if (unlikely(cs->singlestep_enabled)) { ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP; } #if defined (DO_SINGLE_STEP) && 0 /* Single step trace mode */ msr_se = 1; #endif num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; if (max_insns == 0) { max_insns = CF_COUNT_MASK; } if (max_insns > TCG_MAX_INSNS) { max_insns = TCG_MAX_INSNS; } gen_tb_start(tb); tcg_clear_temp_count(); /* Set env in case of segfault during code fetch */ while (ctx.exception == POWERPC_EXCP_NONE && !tcg_op_buf_full()) { tcg_gen_insn_start(ctx.nip); num_insns++; if (unlikely(cpu_breakpoint_test(cs, ctx.nip, BP_ANY))) { gen_debug_exception(ctxp); /* The address covered by the breakpoint must be included in [tb->pc, tb->pc + tb->size) in order to for it to be properly cleared -- thus we increment the PC here so that the logic setting tb->size below does the right thing. */ ctx.nip += 4; break; } LOG_DISAS("----------------\n"); LOG_DISAS("nip=" TARGET_FMT_lx " super=%d ir=%d\n", ctx.nip, ctx.mem_idx, (int)msr_ir); if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) gen_io_start(); if (unlikely(need_byteswap(&ctx))) { ctx.opcode = bswap32(cpu_ldl_code(env, ctx.nip)); } else { ctx.opcode = cpu_ldl_code(env, ctx.nip); } LOG_DISAS("translate opcode %08x (%02x %02x %02x %02x) (%s)\n", ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), opc4(ctx.opcode), ctx.le_mode ? "little" : "big"); ctx.nip += 4; table = env->opcodes; handler = table[opc1(ctx.opcode)]; if (is_indirect_opcode(handler)) { table = ind_table(handler); handler = table[opc2(ctx.opcode)]; if (is_indirect_opcode(handler)) { table = ind_table(handler); handler = table[opc3(ctx.opcode)]; if (is_indirect_opcode(handler)) { table = ind_table(handler); handler = table[opc4(ctx.opcode)]; } } } /* Is opcode *REALLY* valid ? */ if (unlikely(handler->handler == &gen_invalid)) { qemu_log_mask(LOG_GUEST_ERROR, "invalid/unsupported opcode: " "%02x - %02x - %02x - %02x (%08x) " TARGET_FMT_lx " %d\n", opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir); } else { uint32_t inval; if (unlikely(handler->type & (PPC_SPE | PPC_SPE_SINGLE | PPC_SPE_DOUBLE) && Rc(ctx.opcode))) { inval = handler->inval2; } else { inval = handler->inval1; } if (unlikely((ctx.opcode & inval) != 0)) { qemu_log_mask(LOG_GUEST_ERROR, "invalid bits: %08x for opcode: " "%02x - %02x - %02x - %02x (%08x) " TARGET_FMT_lx "\n", ctx.opcode & inval, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode, ctx.nip - 4); gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL); break; } } (*(handler->handler))(&ctx); #if defined(DO_PPC_STATISTICS) handler->count++; #endif /* Check trace mode exceptions */ if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP && (ctx.nip <= 0x100 || ctx.nip > 0xF00) && ctx.exception != POWERPC_SYSCALL && ctx.exception != POWERPC_EXCP_TRAP && ctx.exception != POWERPC_EXCP_BRANCH)) { gen_exception_nip(ctxp, POWERPC_EXCP_TRACE, ctx.nip); } else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) || (cs->singlestep_enabled) || singlestep || num_insns >= max_insns)) { /* if we reach a page boundary or are single stepping, stop * generation */ break; } if (tcg_check_temp_count()) { fprintf(stderr, "Opcode %02x %02x %02x %02x (%08x) leaked " "temporaries\n", opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), opc4(ctx.opcode), ctx.opcode); exit(1); } } if (tb->cflags & CF_LAST_IO) gen_io_end(); if (ctx.exception == POWERPC_EXCP_NONE) { gen_goto_tb(&ctx, 0, ctx.nip); } else if (ctx.exception != POWERPC_EXCP_BRANCH) { if (unlikely(cs->singlestep_enabled)) { gen_debug_exception(ctxp); } /* Generate the return instruction */ tcg_gen_exit_tb(0); } gen_tb_end(tb, num_insns); tb->size = ctx.nip - pc_start; tb->icount = num_insns; #if defined(DEBUG_DISAS) if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM) && qemu_log_in_addr_range(pc_start)) { int flags; flags = env->bfd_mach; flags |= ctx.le_mode << 16; qemu_log_lock(); qemu_log("IN: %s\n", lookup_symbol(pc_start)); log_target_disas(cs, pc_start, ctx.nip - pc_start, flags); qemu_log("\n"); qemu_log_unlock(); } #endif } void restore_state_to_opc(CPUPPCState *env, TranslationBlock *tb, target_ulong *data) { env->nip = data[0]; }