/* * PowerPC emulation for qemu: main translation routines. * * Copyright (c) 2003-2007 Jocelyn Mayer * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include "cpu.h" #include "exec-all.h" #include "disas.h" //#define DO_SINGLE_STEP //#define PPC_DEBUG_DISAS //#define DO_PPC_STATISTICS #if defined(USE_DIRECT_JUMP) #define TBPARAM(x) #else #define TBPARAM(x) (long)(x) #endif enum { #define DEF(s, n, copy_size) INDEX_op_ ## s, #include "opc.h" #undef DEF NB_OPS, }; static uint16_t *gen_opc_ptr; static uint32_t *gen_opparam_ptr; #include "gen-op.h" static inline void gen_set_T0 (target_ulong val) { #if defined(TARGET_PPC64) if (val >> 32) gen_op_set_T0_64(val >> 32, val); else #endif gen_op_set_T0(val); } static inline void gen_set_T1 (target_ulong val) { #if defined(TARGET_PPC64) if (val >> 32) gen_op_set_T1_64(val >> 32, val); else #endif gen_op_set_T1(val); } #define GEN8(func, NAME) \ static GenOpFunc *NAME ## _table [8] = { \ NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ }; \ static inline void func(int n) \ { \ NAME ## _table[n](); \ } #define GEN16(func, NAME) \ static GenOpFunc *NAME ## _table [16] = { \ NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ }; \ static inline void func(int n) \ { \ NAME ## _table[n](); \ } #define GEN32(func, NAME) \ static GenOpFunc *NAME ## _table [32] = { \ NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ }; \ static inline void func(int n) \ { \ NAME ## _table[n](); \ } /* Condition register moves */ GEN8(gen_op_load_crf_T0, gen_op_load_crf_T0_crf); GEN8(gen_op_load_crf_T1, gen_op_load_crf_T1_crf); GEN8(gen_op_store_T0_crf, gen_op_store_T0_crf_crf); GEN8(gen_op_store_T1_crf, gen_op_store_T1_crf_crf); /* Floating point condition and status register moves */ GEN8(gen_op_load_fpscr_T0, gen_op_load_fpscr_T0_fpscr); GEN8(gen_op_store_T0_fpscr, gen_op_store_T0_fpscr_fpscr); GEN8(gen_op_clear_fpscr, gen_op_clear_fpscr_fpscr); static inline void gen_op_store_T0_fpscri(int n, uint8_t param) { gen_op_set_T0(param); gen_op_store_T0_fpscr(n); } /* General purpose registers moves */ GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); #if 0 // unused GEN32(gen_op_store_T2_gpr, gen_op_store_T2_gpr_gpr); #endif /* floating point registers moves */ GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fpr); GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fpr); GEN32(gen_op_load_fpr_FT2, gen_op_load_fpr_FT2_fpr); GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fpr); GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fpr); #if 0 // unused GEN32(gen_op_store_FT2_fpr, gen_op_store_FT2_fpr_fpr); #endif /* internal defines */ typedef struct DisasContext { struct TranslationBlock *tb; target_ulong nip; uint32_t opcode; uint32_t exception; /* Routine used to access memory */ int mem_idx; /* Translation flags */ #if !defined(CONFIG_USER_ONLY) int supervisor; #endif #if defined(TARGET_PPC64) int sf_mode; #endif int fpu_enabled; ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ int singlestep_enabled; } DisasContext; struct opc_handler_t { /* invalid bits */ uint32_t inval; /* instruction type */ uint32_t type; /* handler */ void (*handler)(DisasContext *ctx); #if defined(DO_PPC_STATISTICS) const unsigned char *oname; uint64_t count; #endif }; static inline void gen_set_Rc0 (DisasContext *ctx) { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_cmpi_64(0); else #endif gen_op_cmpi(0); gen_op_set_Rc0(); } static inline void gen_update_nip (DisasContext *ctx, target_ulong nip) { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_update_nip_64(nip >> 32, nip); else #endif gen_op_update_nip(nip); } #define RET_EXCP(ctx, excp, error) \ do { \ if ((ctx)->exception == EXCP_NONE) { \ gen_update_nip(ctx, (ctx)->nip); \ } \ gen_op_raise_exception_err((excp), (error)); \ ctx->exception = (excp); \ } while (0) #define RET_INVAL(ctx) \ RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL) #define RET_PRIVOPC(ctx) \ RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_OPC) #define RET_PRIVREG(ctx) \ RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG) /* Stop translation */ static inline void RET_STOP (DisasContext *ctx) { gen_update_nip(ctx, ctx->nip); ctx->exception = EXCP_MTMSR; } /* No need to update nip here, as execution flow will change */ static inline void RET_CHG_FLOW (DisasContext *ctx) { ctx->exception = EXCP_MTMSR; } #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ static void gen_##name (DisasContext *ctx); \ GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \ static void gen_##name (DisasContext *ctx) typedef struct opcode_t { unsigned char opc1, opc2, opc3; #if HOST_LONG_BITS == 64 /* Explicitely align to 64 bits */ unsigned char pad[5]; #else unsigned char pad[1]; #endif opc_handler_t handler; const unsigned char *oname; } opcode_t; /*** 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)); \ } /* Opcode part 1 */ EXTRACT_HELPER(opc1, 26, 6); /* Opcode part 2 */ EXTRACT_HELPER(opc2, 1, 5); /* Opcode part 3 */ EXTRACT_HELPER(opc3, 6, 5); /* Update Cr0 flags */ EXTRACT_HELPER(Rc, 0, 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 ***/ EXTRACT_HELPER(IMM, 12, 8); /* 16 bits signed immediate value */ EXTRACT_SHELPER(SIMM, 0, 16); /* 16 bits unsigned immediate value */ EXTRACT_HELPER(UIMM, 0, 16); /* Bit count */ EXTRACT_HELPER(NB, 11, 5); /* Shift count */ EXTRACT_HELPER(SH, 11, 5); /* 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); EXTRACT_HELPER(FM, 17, 8); EXTRACT_HELPER(SR, 16, 4); EXTRACT_HELPER(FPIMM, 20, 4); /*** Jump target decoding ***/ /* Displacement */ EXTRACT_SHELPER(d, 0, 16); /* 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); /* 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_t)(-1ULL) << (63 - end); } else if (likely(end == 63)) { ret = (uint64_t)(-1ULL) >> start; } #else if (likely(start == 0)) { ret = (uint32_t)(-1ULL) << (31 - end); } else if (likely(end == 31)) { ret = (uint32_t)(-1ULL) >> start; } #endif else { ret = (((target_ulong)(-1ULL)) >> (start)) ^ (((target_ulong)(-1ULL) >> (end)) >> 1); if (unlikely(start > end)) return ~ret; } return ret; } #if HOST_LONG_BITS == 64 #define OPC_ALIGN 8 #else #define OPC_ALIGN 4 #endif #if defined(__APPLE__) #define OPCODES_SECTION \ __attribute__ ((section("__TEXT,__opcodes"), unused, aligned (OPC_ALIGN) )) #else #define OPCODES_SECTION \ __attribute__ ((section(".opcodes"), unused, aligned (OPC_ALIGN) )) #endif #if defined(DO_PPC_STATISTICS) #define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .pad = { 0, }, \ .handler = { \ .inval = invl, \ .type = _typ, \ .handler = &gen_##name, \ .oname = stringify(name), \ }, \ .oname = stringify(name), \ } #else #define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .pad = { 0, }, \ .handler = { \ .inval = invl, \ .type = _typ, \ .handler = &gen_##name, \ }, \ .oname = stringify(name), \ } #endif #define GEN_OPCODE_MARK(name) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = 0xFF, \ .opc2 = 0xFF, \ .opc3 = 0xFF, \ .pad = { 0, }, \ .handler = { \ .inval = 0x00000000, \ .type = 0x00, \ .handler = NULL, \ }, \ .oname = stringify(name), \ } /* Start opcode list */ GEN_OPCODE_MARK(start); /* Invalid instruction */ GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE) { RET_INVAL(ctx); } static opc_handler_t invalid_handler = { .inval = 0xFFFFFFFF, .type = PPC_NONE, .handler = gen_invalid, }; /*** Integer arithmetic ***/ #define __GEN_INT_ARITH2(name, opc1, opc2, opc3, inval, type) \ GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define __GEN_INT_ARITH2_O(name, opc1, opc2, opc3, inval, type) \ GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define __GEN_INT_ARITH1(name, opc1, opc2, opc3, type) \ GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define __GEN_INT_ARITH1_O(name, opc1, opc2, opc3, type) \ GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } /* Two operands arithmetic functions */ #define GEN_INT_ARITH2(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000000, type) \ __GEN_INT_ARITH2_O(name##o, opc1, opc2, opc3 | 0x10, 0x00000000, type) /* Two operands arithmetic functions with no overflow allowed */ #define GEN_INT_ARITHN(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000400, type) /* One operand arithmetic functions */ #define GEN_INT_ARITH1(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH1(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH1_O(name##o, opc1, opc2, opc3 | 0x10, type) #if defined(TARGET_PPC64) #define __GEN_INT_ARITH2_64(name, opc1, opc2, opc3, inval, type) \ GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ if (ctx->sf_mode) \ gen_op_##name##_64(); \ else \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define __GEN_INT_ARITH2_O_64(name, opc1, opc2, opc3, inval, type) \ GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ if (ctx->sf_mode) \ gen_op_##name##_64(); \ else \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define __GEN_INT_ARITH1_64(name, opc1, opc2, opc3, type) \ GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ if (ctx->sf_mode) \ gen_op_##name##_64(); \ else \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define __GEN_INT_ARITH1_O_64(name, opc1, opc2, opc3, type) \ GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ if (ctx->sf_mode) \ gen_op_##name##_64(); \ else \ gen_op_##name(); \ gen_op_store_T0_gpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } /* Two operands arithmetic functions */ #define GEN_INT_ARITH2_64(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH2_64(name, opc1, opc2, opc3, 0x00000000, type) \ __GEN_INT_ARITH2_O_64(name##o, opc1, opc2, opc3 | 0x10, 0x00000000, type) /* Two operands arithmetic functions with no overflow allowed */ #define GEN_INT_ARITHN_64(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH2_64(name, opc1, opc2, opc3, 0x00000400, type) /* One operand arithmetic functions */ #define GEN_INT_ARITH1_64(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH1_64(name, opc1, opc2, opc3, type) \ __GEN_INT_ARITH1_O_64(name##o, opc1, opc2, opc3 | 0x10, type) #else #define GEN_INT_ARITH2_64 GEN_INT_ARITH2 #define GEN_INT_ARITHN_64 GEN_INT_ARITHN #define GEN_INT_ARITH1_64 GEN_INT_ARITH1 #endif /* add add. addo addo. */ static inline void gen_op_addo (void) { gen_op_move_T2_T0(); gen_op_add(); gen_op_check_addo(); } #if defined(TARGET_PPC64) #define gen_op_add_64 gen_op_add static inline void gen_op_addo_64 (void) { gen_op_move_T2_T0(); gen_op_add(); gen_op_check_addo_64(); } #endif GEN_INT_ARITH2_64 (add, 0x1F, 0x0A, 0x08, PPC_INTEGER); /* addc addc. addco addco. */ static inline void gen_op_addc (void) { gen_op_move_T2_T0(); gen_op_add(); gen_op_check_addc(); } static inline void gen_op_addco (void) { gen_op_move_T2_T0(); gen_op_add(); gen_op_check_addc(); gen_op_check_addo(); } #if defined(TARGET_PPC64) static inline void gen_op_addc_64 (void) { gen_op_move_T2_T0(); gen_op_add(); gen_op_check_addc_64(); } static inline void gen_op_addco_64 (void) { gen_op_move_T2_T0(); gen_op_add(); gen_op_check_addc_64(); gen_op_check_addo_64(); } #endif GEN_INT_ARITH2_64 (addc, 0x1F, 0x0A, 0x00, PPC_INTEGER); /* adde adde. addeo addeo. */ static inline void gen_op_addeo (void) { gen_op_move_T2_T0(); gen_op_adde(); gen_op_check_addo(); } #if defined(TARGET_PPC64) static inline void gen_op_addeo_64 (void) { gen_op_move_T2_T0(); gen_op_adde_64(); gen_op_check_addo_64(); } #endif GEN_INT_ARITH2_64 (adde, 0x1F, 0x0A, 0x04, PPC_INTEGER); /* addme addme. addmeo addmeo. */ static inline void gen_op_addme (void) { gen_op_move_T1_T0(); gen_op_add_me(); } #if defined(TARGET_PPC64) static inline void gen_op_addme_64 (void) { gen_op_move_T1_T0(); gen_op_add_me_64(); } #endif GEN_INT_ARITH1_64 (addme, 0x1F, 0x0A, 0x07, PPC_INTEGER); /* addze addze. addzeo addzeo. */ static inline void gen_op_addze (void) { gen_op_move_T2_T0(); gen_op_add_ze(); gen_op_check_addc(); } static inline void gen_op_addzeo (void) { gen_op_move_T2_T0(); gen_op_add_ze(); gen_op_check_addc(); gen_op_check_addo(); } #if defined(TARGET_PPC64) static inline void gen_op_addze_64 (void) { gen_op_move_T2_T0(); gen_op_add_ze(); gen_op_check_addc_64(); } static inline void gen_op_addzeo_64 (void) { gen_op_move_T2_T0(); gen_op_add_ze(); gen_op_check_addc_64(); gen_op_check_addo_64(); } #endif GEN_INT_ARITH1_64 (addze, 0x1F, 0x0A, 0x06, PPC_INTEGER); /* divw divw. divwo divwo. */ GEN_INT_ARITH2 (divw, 0x1F, 0x0B, 0x0F, PPC_INTEGER); /* divwu divwu. divwuo divwuo. */ GEN_INT_ARITH2 (divwu, 0x1F, 0x0B, 0x0E, PPC_INTEGER); /* mulhw mulhw. */ GEN_INT_ARITHN (mulhw, 0x1F, 0x0B, 0x02, PPC_INTEGER); /* mulhwu mulhwu. */ GEN_INT_ARITHN (mulhwu, 0x1F, 0x0B, 0x00, PPC_INTEGER); /* mullw mullw. mullwo mullwo. */ GEN_INT_ARITH2 (mullw, 0x1F, 0x0B, 0x07, PPC_INTEGER); /* neg neg. nego nego. */ GEN_INT_ARITH1_64 (neg, 0x1F, 0x08, 0x03, PPC_INTEGER); /* subf subf. subfo subfo. */ static inline void gen_op_subfo (void) { gen_op_move_T2_T0(); gen_op_subf(); gen_op_check_subfo(); } #if defined(TARGET_PPC64) #define gen_op_subf_64 gen_op_subf static inline void gen_op_subfo_64 (void) { gen_op_move_T2_T0(); gen_op_subf(); gen_op_check_subfo_64(); } #endif GEN_INT_ARITH2_64 (subf, 0x1F, 0x08, 0x01, PPC_INTEGER); /* subfc subfc. subfco subfco. */ static inline void gen_op_subfc (void) { gen_op_subf(); gen_op_check_subfc(); } static inline void gen_op_subfco (void) { gen_op_move_T2_T0(); gen_op_subf(); gen_op_check_subfc(); gen_op_check_subfo(); } #if defined(TARGET_PPC64) static inline void gen_op_subfc_64 (void) { gen_op_subf(); gen_op_check_subfc_64(); } static inline void gen_op_subfco_64 (void) { gen_op_move_T2_T0(); gen_op_subf(); gen_op_check_subfc_64(); gen_op_check_subfo_64(); } #endif GEN_INT_ARITH2_64 (subfc, 0x1F, 0x08, 0x00, PPC_INTEGER); /* subfe subfe. subfeo subfeo. */ static inline void gen_op_subfeo (void) { gen_op_move_T2_T0(); gen_op_subfe(); gen_op_check_subfo(); } #if defined(TARGET_PPC64) #define gen_op_subfe_64 gen_op_subfe static inline void gen_op_subfeo_64 (void) { gen_op_move_T2_T0(); gen_op_subfe_64(); gen_op_check_subfo_64(); } #endif GEN_INT_ARITH2_64 (subfe, 0x1F, 0x08, 0x04, PPC_INTEGER); /* subfme subfme. subfmeo subfmeo. */ GEN_INT_ARITH1_64 (subfme, 0x1F, 0x08, 0x07, PPC_INTEGER); /* subfze subfze. subfzeo subfzeo. */ GEN_INT_ARITH1_64 (subfze, 0x1F, 0x08, 0x06, PPC_INTEGER); /* addi */ GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { /* li case */ gen_set_T0(simm); } else { gen_op_load_gpr_T0(rA(ctx->opcode)); if (likely(simm != 0)) gen_op_addi(simm); } gen_op_store_T0_gpr(rD(ctx->opcode)); } /* addic */ GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_long simm = SIMM(ctx->opcode); gen_op_load_gpr_T0(rA(ctx->opcode)); if (likely(simm != 0)) { gen_op_move_T2_T0(); gen_op_addi(simm); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_check_addc_64(); else #endif gen_op_check_addc(); } gen_op_store_T0_gpr(rD(ctx->opcode)); } /* addic. */ GEN_HANDLER(addic_, 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_long simm = SIMM(ctx->opcode); gen_op_load_gpr_T0(rA(ctx->opcode)); if (likely(simm != 0)) { gen_op_move_T2_T0(); gen_op_addi(simm); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_check_addc_64(); else #endif gen_op_check_addc(); } gen_op_store_T0_gpr(rD(ctx->opcode)); gen_set_Rc0(ctx); } /* addis */ GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { /* lis case */ gen_set_T0(simm << 16); } else { gen_op_load_gpr_T0(rA(ctx->opcode)); if (likely(simm != 0)) gen_op_addi(simm << 16); } gen_op_store_T0_gpr(rD(ctx->opcode)); } /* mulli */ GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_mulli(SIMM(ctx->opcode)); gen_op_store_T0_gpr(rD(ctx->opcode)); } /* subfic */ GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { gen_op_load_gpr_T0(rA(ctx->opcode)); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_subfic_64(SIMM(ctx->opcode)); else #endif gen_op_subfic(SIMM(ctx->opcode)); gen_op_store_T0_gpr(rD(ctx->opcode)); } #if defined(TARGET_PPC64) /* mulhd mulhd. */ GEN_INT_ARITHN (mulhd, 0x1F, 0x09, 0x02, PPC_INTEGER); /* mulhdu mulhdu. */ GEN_INT_ARITHN (mulhdu, 0x1F, 0x09, 0x00, PPC_INTEGER); /* mulld mulld. mulldo mulldo. */ GEN_INT_ARITH2 (mulld, 0x1F, 0x09, 0x07, PPC_INTEGER); /* divd divd. divdo divdo. */ GEN_INT_ARITH2 (divd, 0x1F, 0x09, 0x0F, PPC_INTEGER); /* divdu divdu. divduo divduo. */ GEN_INT_ARITH2 (divdu, 0x1F, 0x09, 0x0E, PPC_INTEGER); #endif /*** Integer comparison ***/ #if defined(TARGET_PPC64) #define GEN_CMP(name, opc, type) \ GEN_HANDLER(name, 0x1F, 0x00, opc, 0x00400000, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ if (ctx->sf_mode) \ gen_op_##name##_64(); \ else \ gen_op_##name(); \ gen_op_store_T0_crf(crfD(ctx->opcode)); \ } #else #define GEN_CMP(name, opc, type) \ GEN_HANDLER(name, 0x1F, 0x00, opc, 0x00400000, type) \ { \ gen_op_load_gpr_T0(rA(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_crf(crfD(ctx->opcode)); \ } #endif /* cmp */ GEN_CMP(cmp, 0x00, PPC_INTEGER); /* cmpi */ GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) { gen_op_load_gpr_T0(rA(ctx->opcode)); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_cmpi_64(SIMM(ctx->opcode)); else #endif gen_op_cmpi(SIMM(ctx->opcode)); gen_op_store_T0_crf(crfD(ctx->opcode)); } /* cmpl */ GEN_CMP(cmpl, 0x01, PPC_INTEGER); /* cmpli */ GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) { gen_op_load_gpr_T0(rA(ctx->opcode)); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_cmpli_64(UIMM(ctx->opcode)); else #endif gen_op_cmpli(UIMM(ctx->opcode)); gen_op_store_T0_crf(crfD(ctx->opcode)); } /* isel (PowerPC 2.03 specification) */ GEN_HANDLER(isel, 0x1F, 0x0F, 0x00, 0x00000001, PPC_203) { uint32_t bi = rC(ctx->opcode); uint32_t mask; if (rA(ctx->opcode) == 0) { gen_set_T0(0); } else { gen_op_load_gpr_T1(rA(ctx->opcode)); } gen_op_load_gpr_T2(rB(ctx->opcode)); mask = 1 << (3 - (bi & 0x03)); gen_op_load_crf_T0(bi >> 2); gen_op_test_true(mask); gen_op_isel(); gen_op_store_T0_gpr(rD(ctx->opcode)); } /*** Integer logical ***/ #define __GEN_LOGICAL2(name, opc2, opc3, type) \ GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000000, type) \ { \ gen_op_load_gpr_T0(rS(ctx->opcode)); \ gen_op_load_gpr_T1(rB(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } #define GEN_LOGICAL2(name, opc, type) \ __GEN_LOGICAL2(name, 0x1C, opc, type) #define GEN_LOGICAL1(name, opc, type) \ GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) \ { \ gen_op_load_gpr_T0(rS(ctx->opcode)); \ gen_op_##name(); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx); \ } /* and & and. */ GEN_LOGICAL2(and, 0x00, PPC_INTEGER); /* andc & andc. */ GEN_LOGICAL2(andc, 0x01, PPC_INTEGER); /* andi. */ GEN_HANDLER(andi_, 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_andi_T0(UIMM(ctx->opcode)); gen_op_store_T0_gpr(rA(ctx->opcode)); gen_set_Rc0(ctx); } /* andis. */ GEN_HANDLER(andis_, 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_andi_T0(UIMM(ctx->opcode) << 16); gen_op_store_T0_gpr(rA(ctx->opcode)); gen_set_Rc0(ctx); } /* cntlzw */ GEN_LOGICAL1(cntlzw, 0x00, PPC_INTEGER); /* eqv & eqv. */ GEN_LOGICAL2(eqv, 0x08, PPC_INTEGER); /* extsb & extsb. */ GEN_LOGICAL1(extsb, 0x1D, PPC_INTEGER); /* extsh & extsh. */ GEN_LOGICAL1(extsh, 0x1C, PPC_INTEGER); /* nand & nand. */ GEN_LOGICAL2(nand, 0x0E, PPC_INTEGER); /* nor & nor. */ GEN_LOGICAL2(nor, 0x03, PPC_INTEGER); /* or & or. */ GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) { 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) { gen_op_load_gpr_T0(rs); if (rs != rb) { gen_op_load_gpr_T1(rb); gen_op_or(); } gen_op_store_T0_gpr(ra); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } else if (unlikely(Rc(ctx->opcode) != 0)) { gen_op_load_gpr_T0(rs); gen_set_Rc0(ctx); } } /* orc & orc. */ GEN_LOGICAL2(orc, 0x0C, PPC_INTEGER); /* xor & xor. */ GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER) { gen_op_load_gpr_T0(rS(ctx->opcode)); /* Optimisation for "set to zero" case */ if (rS(ctx->opcode) != rB(ctx->opcode)) { gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_xor(); } else { gen_op_reset_T0(); } gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* ori */ GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ /* XXX: should handle special NOPs for POWER series */ return; } gen_op_load_gpr_T0(rS(ctx->opcode)); if (likely(uimm != 0)) gen_op_ori(uimm); gen_op_store_T0_gpr(rA(ctx->opcode)); } /* oris */ GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } gen_op_load_gpr_T0(rS(ctx->opcode)); if (likely(uimm != 0)) gen_op_ori(uimm << 16); gen_op_store_T0_gpr(rA(ctx->opcode)); } /* xori */ GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } gen_op_load_gpr_T0(rS(ctx->opcode)); if (likely(uimm != 0)) gen_op_xori(uimm); gen_op_store_T0_gpr(rA(ctx->opcode)); } /* xoris */ GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } gen_op_load_gpr_T0(rS(ctx->opcode)); if (likely(uimm != 0)) gen_op_xori(uimm << 16); gen_op_store_T0_gpr(rA(ctx->opcode)); } /* popcntb : PowerPC 2.03 specification */ GEN_HANDLER(popcntb, 0x1F, 0x03, 0x03, 0x0000F801, PPC_203) { gen_op_load_gpr_T0(rS(ctx->opcode)); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_popcntb_64(); else #endif gen_op_popcntb(); gen_op_store_T0_gpr(rA(ctx->opcode)); } #if defined(TARGET_PPC64) /* extsw & extsw. */ GEN_LOGICAL1(extsw, 0x1E, PPC_64B); /* cntlzd */ GEN_LOGICAL1(cntlzd, 0x01, PPC_64B); #endif /*** Integer rotate ***/ /* rlwimi & rlwimi. */ GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong mask; uint32_t mb, me, sh; int n; mb = MB(ctx->opcode); me = ME(ctx->opcode); sh = SH(ctx->opcode); n = me + 1 - mb; if (likely(sh == 0)) { if (likely(mb == 0 && me == 31)) { gen_op_load_gpr_T0(rS(ctx->opcode)); goto do_store; } else if (likely(mb == 31 && me == 0)) { gen_op_load_gpr_T0(rA(ctx->opcode)); goto do_store; } gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rA(ctx->opcode)); goto do_mask; } gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rA(ctx->opcode)); gen_op_rotli32_T0(SH(ctx->opcode)); do_mask: #if defined(TARGET_PPC64) mb += 32; me += 32; #endif mask = MASK(mb, me); gen_op_andi_T0(mask); gen_op_andi_T1(~mask); gen_op_or(); do_store: gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* rlwinm & rlwinm. */ GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { uint32_t mb, me, sh; sh = SH(ctx->opcode); mb = MB(ctx->opcode); me = ME(ctx->opcode); gen_op_load_gpr_T0(rS(ctx->opcode)); if (likely(sh == 0)) { goto do_mask; } if (likely(mb == 0)) { if (likely(me == 31)) { gen_op_rotli32_T0(sh); goto do_store; } else if (likely(me == (31 - sh))) { gen_op_sli_T0(sh); goto do_store; } } else if (likely(me == 31)) { if (likely(sh == (32 - mb))) { gen_op_srli_T0(mb); goto do_store; } } gen_op_rotli32_T0(sh); do_mask: #if defined(TARGET_PPC64) mb += 32; me += 32; #endif gen_op_andi_T0(MASK(mb, me)); do_store: gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* rlwnm & rlwnm. */ GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { uint32_t mb, me; mb = MB(ctx->opcode); me = ME(ctx->opcode); gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_rotl32_T0_T1(); if (unlikely(mb != 0 || me != 31)) { #if defined(TARGET_PPC64) mb += 32; me += 32; #endif gen_op_andi_T0(MASK(mb, me)); } gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } #if defined(TARGET_PPC64) #define GEN_PPC64_R2(name, opc1, opc2) \ GEN_HANDLER(name##0, opc1, opc2, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 0); \ } \ GEN_HANDLER(name##1, opc1, opc2 | 0x10, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 1); \ } #define GEN_PPC64_R4(name, opc1, opc2) \ GEN_HANDLER(name##0, opc1, opc2, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 0, 0); \ } \ GEN_HANDLER(name##1, opc1, opc2 | 0x01, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 0, 1); \ } \ GEN_HANDLER(name##2, opc1, opc2 | 0x10, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 1, 0); \ } \ GEN_HANDLER(name##3, opc1, opc2 | 0x11, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 1, 1); \ } /* rldicl - rldicl. */ static inline void gen_rldicl (DisasContext *ctx, int mbn, int shn) { int sh, mb; sh = SH(ctx->opcode) | (1 << shn); mb = (MB(ctx->opcode) << 1) | mbn; /* XXX: TODO */ RET_INVAL(ctx); } GEN_PPC64_R4(rldicl, 0x1E, 0x00) /* rldicr - rldicr. */ static inline void gen_rldicr (DisasContext *ctx, int men, int shn) { int sh, me; sh = SH(ctx->opcode) | (1 << shn); me = (MB(ctx->opcode) << 1) | men; /* XXX: TODO */ RET_INVAL(ctx); } GEN_PPC64_R4(rldicr, 0x1E, 0x02) /* rldic - rldic. */ static inline void gen_rldic (DisasContext *ctx, int mbn, int shn) { int sh, mb; sh = SH(ctx->opcode) | (1 << shn); mb = (MB(ctx->opcode) << 1) | mbn; /* XXX: TODO */ RET_INVAL(ctx); } GEN_PPC64_R4(rldic, 0x1E, 0x04) /* rldcl - rldcl. */ static inline void gen_rldcl (DisasContext *ctx, int mbn) { int mb; mb = (MB(ctx->opcode) << 1) | mbn; /* XXX: TODO */ RET_INVAL(ctx); } GEN_PPC64_R2(rldcl, 0x1E, 0x08) /* rldcr - rldcr. */ static inline void gen_rldcr (DisasContext *ctx, int men) { int me; me = (MB(ctx->opcode) << 1) | men; /* XXX: TODO */ RET_INVAL(ctx); } GEN_PPC64_R2(rldcr, 0x1E, 0x09) /* rldimi - rldimi. */ static inline void gen_rldimi (DisasContext *ctx, int mbn, int shn) { int sh, mb; sh = SH(ctx->opcode) | (1 << shn); mb = (MB(ctx->opcode) << 1) | mbn; /* XXX: TODO */ RET_INVAL(ctx); } GEN_PPC64_R4(rldimi, 0x1E, 0x06) #endif /*** Integer shift ***/ /* slw & slw. */ __GEN_LOGICAL2(slw, 0x18, 0x00, PPC_INTEGER); /* sraw & sraw. */ __GEN_LOGICAL2(sraw, 0x18, 0x18, PPC_INTEGER); /* srawi & srawi. */ GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER) { int mb, me; gen_op_load_gpr_T0(rS(ctx->opcode)); if (SH(ctx->opcode) != 0) { gen_op_move_T1_T0(); mb = 32 - SH(ctx->opcode); me = 31; #if defined(TARGET_PPC64) mb += 32; me += 32; #endif gen_op_srawi(SH(ctx->opcode), MASK(mb, me)); } gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* srw & srw. */ __GEN_LOGICAL2(srw, 0x18, 0x10, PPC_INTEGER); #if defined(TARGET_PPC64) /* sld & sld. */ __GEN_LOGICAL2(sld, 0x1B, 0x00, PPC_64B); /* srad & srad. */ __GEN_LOGICAL2(srad, 0x1A, 0x18, PPC_64B); /* sradi & sradi. */ static inline void gen_sradi (DisasContext *ctx, int n) { uint64_t mask; int sh, mb, me; gen_op_load_gpr_T0(rS(ctx->opcode)); sh = SH(ctx->opcode) + (n << 5); if (sh != 0) { gen_op_move_T1_T0(); mb = 64 - SH(ctx->opcode); me = 63; mask = MASK(mb, me); gen_op_sradi(sh, mask >> 32, mask); } gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } GEN_HANDLER(sradi0, 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B) { gen_sradi(ctx, 0); } GEN_HANDLER(sradi1, 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B) { gen_sradi(ctx, 1); } /* srd & srd. */ __GEN_LOGICAL2(srd, 0x1B, 0x10, PPC_64B); #endif /*** Floating-Point arithmetic ***/ #define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat) \ GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_op_reset_scrfx(); \ gen_op_load_fpr_FT0(rA(ctx->opcode)); \ gen_op_load_fpr_FT1(rC(ctx->opcode)); \ gen_op_load_fpr_FT2(rB(ctx->opcode)); \ gen_op_f##op(); \ if (isfloat) { \ gen_op_frsp(); \ } \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_op_set_Rc1(); \ } #define GEN_FLOAT_ACB(name, op2) \ _GEN_FLOAT_ACB(name, name, 0x3F, op2, 0); \ _GEN_FLOAT_ACB(name##s, name, 0x3B, op2, 1); #define _GEN_FLOAT_AB(name, op, op1, op2, inval, isfloat) \ GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_op_reset_scrfx(); \ gen_op_load_fpr_FT0(rA(ctx->opcode)); \ gen_op_load_fpr_FT1(rB(ctx->opcode)); \ gen_op_f##op(); \ if (isfloat) { \ gen_op_frsp(); \ } \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_op_set_Rc1(); \ } #define GEN_FLOAT_AB(name, op2, inval) \ _GEN_FLOAT_AB(name, name, 0x3F, op2, inval, 0); \ _GEN_FLOAT_AB(name##s, name, 0x3B, op2, inval, 1); #define _GEN_FLOAT_AC(name, op, op1, op2, inval, isfloat) \ GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_op_reset_scrfx(); \ gen_op_load_fpr_FT0(rA(ctx->opcode)); \ gen_op_load_fpr_FT1(rC(ctx->opcode)); \ gen_op_f##op(); \ if (isfloat) { \ gen_op_frsp(); \ } \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_op_set_Rc1(); \ } #define GEN_FLOAT_AC(name, op2, inval) \ _GEN_FLOAT_AC(name, name, 0x3F, op2, inval, 0); \ _GEN_FLOAT_AC(name##s, name, 0x3B, op2, inval, 1); #define GEN_FLOAT_B(name, op2, op3) \ GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_op_reset_scrfx(); \ gen_op_load_fpr_FT0(rB(ctx->opcode)); \ gen_op_f##name(); \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_op_set_Rc1(); \ } #define GEN_FLOAT_BS(name, op1, op2) \ GEN_HANDLER(f##name, op1, op2, 0xFF, 0x001F07C0, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_op_reset_scrfx(); \ gen_op_load_fpr_FT0(rB(ctx->opcode)); \ gen_op_f##name(); \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_op_set_Rc1(); \ } /* fadd - fadds */ GEN_FLOAT_AB(add, 0x15, 0x000007C0); /* fdiv - fdivs */ GEN_FLOAT_AB(div, 0x12, 0x000007C0); /* fmul - fmuls */ GEN_FLOAT_AC(mul, 0x19, 0x0000F800); /* fres */ /* XXX: not in 601 */ GEN_FLOAT_BS(res, 0x3B, 0x18); /* frsqrte */ /* XXX: not in 601 */ GEN_FLOAT_BS(rsqrte, 0x3F, 0x1A); /* fsel */ /* XXX: not in 601 */ _GEN_FLOAT_ACB(sel, sel, 0x3F, 0x17, 0); /* fsub - fsubs */ GEN_FLOAT_AB(sub, 0x14, 0x000007C0); /* Optional: */ /* fsqrt */ GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_reset_scrfx(); gen_op_load_fpr_FT0(rB(ctx->opcode)); gen_op_fsqrt(); gen_op_store_FT0_fpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_reset_scrfx(); gen_op_load_fpr_FT0(rB(ctx->opcode)); gen_op_fsqrt(); gen_op_frsp(); gen_op_store_FT0_fpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /*** Floating-Point multiply-and-add ***/ /* fmadd - fmadds */ GEN_FLOAT_ACB(madd, 0x1D); /* fmsub - fmsubs */ GEN_FLOAT_ACB(msub, 0x1C); /* fnmadd - fnmadds */ GEN_FLOAT_ACB(nmadd, 0x1F); /* fnmsub - fnmsubs */ GEN_FLOAT_ACB(nmsub, 0x1E); /*** Floating-Point round & convert ***/ /* fctiw */ GEN_FLOAT_B(ctiw, 0x0E, 0x00); /* fctiwz */ GEN_FLOAT_B(ctiwz, 0x0F, 0x00); /* frsp */ GEN_FLOAT_B(rsp, 0x0C, 0x00); /*** Floating-Point compare ***/ /* fcmpo */ GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_reset_scrfx(); gen_op_load_fpr_FT0(rA(ctx->opcode)); gen_op_load_fpr_FT1(rB(ctx->opcode)); gen_op_fcmpo(); gen_op_store_T0_crf(crfD(ctx->opcode)); } /* fcmpu */ GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_reset_scrfx(); gen_op_load_fpr_FT0(rA(ctx->opcode)); gen_op_load_fpr_FT1(rB(ctx->opcode)); gen_op_fcmpu(); gen_op_store_T0_crf(crfD(ctx->opcode)); } /*** Floating-point move ***/ /* fabs */ GEN_FLOAT_B(abs, 0x08, 0x08); /* fmr - fmr. */ GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_reset_scrfx(); gen_op_load_fpr_FT0(rB(ctx->opcode)); gen_op_store_FT0_fpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /* fnabs */ GEN_FLOAT_B(nabs, 0x08, 0x04); /* fneg */ GEN_FLOAT_B(neg, 0x08, 0x01); /*** Floating-Point status & ctrl register ***/ /* mcrfs */ GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_load_fpscr_T0(crfS(ctx->opcode)); gen_op_store_T0_crf(crfD(ctx->opcode)); gen_op_clear_fpscr(crfS(ctx->opcode)); } /* mffs */ GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_load_fpscr(); gen_op_store_FT0_fpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /* mtfsb0 */ GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT) { uint8_t crb; if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } crb = crbD(ctx->opcode) >> 2; gen_op_load_fpscr_T0(crb); gen_op_andi_T0(~(1 << (crbD(ctx->opcode) & 0x03))); gen_op_store_T0_fpscr(crb); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /* mtfsb1 */ GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT) { uint8_t crb; if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } crb = crbD(ctx->opcode) >> 2; gen_op_load_fpscr_T0(crb); gen_op_ori(1 << (crbD(ctx->opcode) & 0x03)); gen_op_store_T0_fpscr(crb); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /* mtfsf */ GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_load_fpr_FT0(rB(ctx->opcode)); gen_op_store_fpscr(FM(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /* mtfsfi */ GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_op_store_T0_fpscri(crbD(ctx->opcode) >> 2, FPIMM(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_op_set_Rc1(); } /*** Addressing modes ***/ /* Register indirect with immediate index : EA = (rA|0) + SIMM */ static inline void gen_addr_imm_index (DisasContext *ctx) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { gen_set_T0(simm); } else { gen_op_load_gpr_T0(rA(ctx->opcode)); if (likely(simm != 0)) gen_op_addi(simm); } } static inline void gen_addr_reg_index (DisasContext *ctx) { if (rA(ctx->opcode) == 0) { gen_op_load_gpr_T0(rB(ctx->opcode)); } else { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_add(); } } static inline void gen_addr_register (DisasContext *ctx) { if (rA(ctx->opcode) == 0) { gen_op_reset_T0(); } else { gen_op_load_gpr_T0(rA(ctx->opcode)); } } /*** Integer load ***/ #define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() #if defined(CONFIG_USER_ONLY) #if defined(TARGET_PPC64) #define OP_LD_TABLE(width) \ static GenOpFunc *gen_op_l##width[] = { \ &gen_op_l##width##_raw, \ &gen_op_l##width##_le_raw, \ &gen_op_l##width##_64_raw, \ &gen_op_l##width##_le_64_raw, \ }; #define OP_ST_TABLE(width) \ static GenOpFunc *gen_op_st##width[] = { \ &gen_op_st##width##_raw, \ &gen_op_st##width##_le_raw, \ &gen_op_st##width##_64_raw, \ &gen_op_st##width##_le_64_raw, \ }; /* Byte access routine are endian safe */ #define gen_op_stb_le_64_raw gen_op_stb_64_raw #define gen_op_lbz_le_64_raw gen_op_lbz_64_raw #else #define OP_LD_TABLE(width) \ static GenOpFunc *gen_op_l##width[] = { \ &gen_op_l##width##_raw, \ &gen_op_l##width##_le_raw, \ }; #define OP_ST_TABLE(width) \ static GenOpFunc *gen_op_st##width[] = { \ &gen_op_st##width##_raw, \ &gen_op_st##width##_le_raw, \ }; #endif /* Byte access routine are endian safe */ #define gen_op_stb_le_raw gen_op_stb_raw #define gen_op_lbz_le_raw gen_op_lbz_raw #else #if defined(TARGET_PPC64) #define OP_LD_TABLE(width) \ static GenOpFunc *gen_op_l##width[] = { \ &gen_op_l##width##_user, \ &gen_op_l##width##_le_user, \ &gen_op_l##width##_kernel, \ &gen_op_l##width##_le_kernel, \ &gen_op_l##width##_64_user, \ &gen_op_l##width##_le_64_user, \ &gen_op_l##width##_64_kernel, \ &gen_op_l##width##_le_64_kernel, \ }; #define OP_ST_TABLE(width) \ static GenOpFunc *gen_op_st##width[] = { \ &gen_op_st##width##_user, \ &gen_op_st##width##_le_user, \ &gen_op_st##width##_kernel, \ &gen_op_st##width##_le_kernel, \ &gen_op_st##width##_64_user, \ &gen_op_st##width##_le_64_user, \ &gen_op_st##width##_64_kernel, \ &gen_op_st##width##_le_64_kernel, \ }; /* Byte access routine are endian safe */ #define gen_op_stb_le_64_user gen_op_stb_64_user #define gen_op_lbz_le_64_user gen_op_lbz_64_user #define gen_op_stb_le_64_kernel gen_op_stb_64_kernel #define gen_op_lbz_le_64_kernel gen_op_lbz_64_kernel #else #define OP_LD_TABLE(width) \ static GenOpFunc *gen_op_l##width[] = { \ &gen_op_l##width##_user, \ &gen_op_l##width##_le_user, \ &gen_op_l##width##_kernel, \ &gen_op_l##width##_le_kernel, \ }; #define OP_ST_TABLE(width) \ static GenOpFunc *gen_op_st##width[] = { \ &gen_op_st##width##_user, \ &gen_op_st##width##_le_user, \ &gen_op_st##width##_kernel, \ &gen_op_st##width##_le_kernel, \ }; #endif /* Byte access routine are endian safe */ #define gen_op_stb_le_user gen_op_stb_user #define gen_op_lbz_le_user gen_op_lbz_user #define gen_op_stb_le_kernel gen_op_stb_kernel #define gen_op_lbz_le_kernel gen_op_lbz_kernel #endif #define GEN_LD(width, opc, type) \ GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ gen_addr_imm_index(ctx); \ op_ldst(l##width); \ gen_op_store_T1_gpr(rD(ctx->opcode)); \ } #define GEN_LDU(width, opc, type) \ GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ if (unlikely(rA(ctx->opcode) == 0 || \ rA(ctx->opcode) == rD(ctx->opcode))) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_imm_index(ctx); \ op_ldst(l##width); \ gen_op_store_T1_gpr(rD(ctx->opcode)); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_LDUX(width, opc2, opc3, type) \ GEN_HANDLER(l##width##ux, 0x1F, opc2, opc3, 0x00000001, type) \ { \ if (unlikely(rA(ctx->opcode) == 0 || \ rA(ctx->opcode) == rD(ctx->opcode))) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_reg_index(ctx); \ op_ldst(l##width); \ gen_op_store_T1_gpr(rD(ctx->opcode)); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_LDX(width, opc2, opc3, type) \ GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, type) \ { \ gen_addr_reg_index(ctx); \ op_ldst(l##width); \ gen_op_store_T1_gpr(rD(ctx->opcode)); \ } #define GEN_LDS(width, op, type) \ OP_LD_TABLE(width); \ GEN_LD(width, op | 0x20, type); \ GEN_LDU(width, op | 0x21, type); \ GEN_LDUX(width, 0x17, op | 0x01, type); \ GEN_LDX(width, 0x17, op | 0x00, type) /* lbz lbzu lbzux lbzx */ GEN_LDS(bz, 0x02, PPC_INTEGER); /* lha lhau lhaux lhax */ GEN_LDS(ha, 0x0A, PPC_INTEGER); /* lhz lhzu lhzux lhzx */ GEN_LDS(hz, 0x08, PPC_INTEGER); /* lwz lwzu lwzux lwzx */ GEN_LDS(wz, 0x00, PPC_INTEGER); #if defined(TARGET_PPC64) OP_LD_TABLE(wa); OP_LD_TABLE(d); /* lwaux */ GEN_LDUX(wa, 0x15, 0x0B, PPC_64B); /* lwax */ GEN_LDX(wa, 0x15, 0x0A, PPC_64B); /* ldux */ GEN_LDUX(d, 0x15, 0x01, PPC_64B); /* ldx */ GEN_LDX(d, 0x15, 0x00, PPC_64B); GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B) { if (Rc(ctx->opcode)) { if (unlikely(rA(ctx->opcode) == 0 || rA(ctx->opcode) == rD(ctx->opcode))) { RET_INVAL(ctx); return; } } gen_addr_imm_index(ctx); if (ctx->opcode & 0x02) { /* lwa (lwau is undefined) */ op_ldst(lwa); } else { /* ld - ldu */ op_ldst(ld); } gen_op_store_T1_gpr(rD(ctx->opcode)); if (Rc(ctx->opcode)) gen_op_store_T0_gpr(rA(ctx->opcode)); } #endif /*** Integer store ***/ #define GEN_ST(width, opc, type) \ GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ gen_addr_imm_index(ctx); \ gen_op_load_gpr_T1(rS(ctx->opcode)); \ op_ldst(st##width); \ } #define GEN_STU(width, opc, type) \ GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ if (unlikely(rA(ctx->opcode) == 0)) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_imm_index(ctx); \ gen_op_load_gpr_T1(rS(ctx->opcode)); \ op_ldst(st##width); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_STUX(width, opc2, opc3, type) \ GEN_HANDLER(st##width##ux, 0x1F, opc2, opc3, 0x00000001, type) \ { \ if (unlikely(rA(ctx->opcode) == 0)) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_reg_index(ctx); \ gen_op_load_gpr_T1(rS(ctx->opcode)); \ op_ldst(st##width); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_STX(width, opc2, opc3, type) \ GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, type) \ { \ gen_addr_reg_index(ctx); \ gen_op_load_gpr_T1(rS(ctx->opcode)); \ op_ldst(st##width); \ } #define GEN_STS(width, op, type) \ OP_ST_TABLE(width); \ GEN_ST(width, op | 0x20, type); \ GEN_STU(width, op | 0x21, type); \ GEN_STUX(width, 0x17, op | 0x01, type); \ GEN_STX(width, 0x17, op | 0x00, type) /* stb stbu stbux stbx */ GEN_STS(b, 0x06, PPC_INTEGER); /* sth sthu sthux sthx */ GEN_STS(h, 0x0C, PPC_INTEGER); /* stw stwu stwux stwx */ GEN_STS(w, 0x04, PPC_INTEGER); #if defined(TARGET_PPC64) OP_ST_TABLE(d); GEN_STUX(d, 0x15, 0x01, PPC_64B); GEN_STX(d, 0x15, 0x00, PPC_64B); GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000002, PPC_64B) { if (Rc(ctx->opcode)) { if (unlikely(rA(ctx->opcode) == 0)) { RET_INVAL(ctx); return; } } gen_addr_imm_index(ctx); gen_op_load_gpr_T1(rS(ctx->opcode)); op_ldst(std); if (Rc(ctx->opcode)) gen_op_store_T0_gpr(rA(ctx->opcode)); } #endif /*** Integer load and store with byte reverse ***/ /* lhbrx */ OP_LD_TABLE(hbr); GEN_LDX(hbr, 0x16, 0x18, PPC_INTEGER); /* lwbrx */ OP_LD_TABLE(wbr); GEN_LDX(wbr, 0x16, 0x10, PPC_INTEGER); /* sthbrx */ OP_ST_TABLE(hbr); GEN_STX(hbr, 0x16, 0x1C, PPC_INTEGER); /* stwbrx */ OP_ST_TABLE(wbr); GEN_STX(wbr, 0x16, 0x14, PPC_INTEGER); /*** Integer load and store multiple ***/ #define op_ldstm(name, reg) (*gen_op_##name[ctx->mem_idx])(reg) #if defined(TARGET_PPC64) #if defined(CONFIG_USER_ONLY) static GenOpFunc1 *gen_op_lmw[] = { &gen_op_lmw_raw, &gen_op_lmw_le_raw, &gen_op_lmw_64_raw, &gen_op_lmw_le_64_raw, }; static GenOpFunc1 *gen_op_stmw[] = { &gen_op_stmw_64_raw, &gen_op_stmw_le_64_raw, }; #else static GenOpFunc1 *gen_op_lmw[] = { &gen_op_lmw_user, &gen_op_lmw_le_user, &gen_op_lmw_kernel, &gen_op_lmw_le_kernel, &gen_op_lmw_64_user, &gen_op_lmw_le_64_user, &gen_op_lmw_64_kernel, &gen_op_lmw_le_64_kernel, }; static GenOpFunc1 *gen_op_stmw[] = { &gen_op_stmw_user, &gen_op_stmw_le_user, &gen_op_stmw_kernel, &gen_op_stmw_le_kernel, &gen_op_stmw_64_user, &gen_op_stmw_le_64_user, &gen_op_stmw_64_kernel, &gen_op_stmw_le_64_kernel, }; #endif #else #if defined(CONFIG_USER_ONLY) static GenOpFunc1 *gen_op_lmw[] = { &gen_op_lmw_raw, &gen_op_lmw_le_raw, }; static GenOpFunc1 *gen_op_stmw[] = { &gen_op_stmw_raw, &gen_op_stmw_le_raw, }; #else static GenOpFunc1 *gen_op_lmw[] = { &gen_op_lmw_user, &gen_op_lmw_le_user, &gen_op_lmw_kernel, &gen_op_lmw_le_kernel, }; static GenOpFunc1 *gen_op_stmw[] = { &gen_op_stmw_user, &gen_op_stmw_le_user, &gen_op_stmw_kernel, &gen_op_stmw_le_kernel, }; #endif #endif /* lmw */ GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_imm_index(ctx); op_ldstm(lmw, rD(ctx->opcode)); } /* stmw */ GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_imm_index(ctx); op_ldstm(stmw, rS(ctx->opcode)); } /*** Integer load and store strings ***/ #define op_ldsts(name, start) (*gen_op_##name[ctx->mem_idx])(start) #define op_ldstsx(name, rd, ra, rb) (*gen_op_##name[ctx->mem_idx])(rd, ra, rb) #if defined(TARGET_PPC64) #if defined(CONFIG_USER_ONLY) static GenOpFunc1 *gen_op_lswi[] = { &gen_op_lswi_raw, &gen_op_lswi_le_raw, &gen_op_lswi_64_raw, &gen_op_lswi_le_64_raw, }; static GenOpFunc3 *gen_op_lswx[] = { &gen_op_lswx_raw, &gen_op_lswx_le_raw, &gen_op_lswx_64_raw, &gen_op_lswx_le_64_raw, }; static GenOpFunc1 *gen_op_stsw[] = { &gen_op_stsw_raw, &gen_op_stsw_le_raw, &gen_op_stsw_64_raw, &gen_op_stsw_le_64_raw, }; #else static GenOpFunc1 *gen_op_lswi[] = { &gen_op_lswi_user, &gen_op_lswi_le_user, &gen_op_lswi_kernel, &gen_op_lswi_le_kernel, &gen_op_lswi_64_user, &gen_op_lswi_le_64_user, &gen_op_lswi_64_kernel, &gen_op_lswi_le_64_kernel, }; static GenOpFunc3 *gen_op_lswx[] = { &gen_op_lswx_user, &gen_op_lswx_le_user, &gen_op_lswx_kernel, &gen_op_lswx_le_kernel, &gen_op_lswx_64_user, &gen_op_lswx_le_64_user, &gen_op_lswx_64_kernel, &gen_op_lswx_le_64_kernel, }; static GenOpFunc1 *gen_op_stsw[] = { &gen_op_stsw_user, &gen_op_stsw_le_user, &gen_op_stsw_kernel, &gen_op_stsw_le_kernel, &gen_op_stsw_64_user, &gen_op_stsw_le_64_user, &gen_op_stsw_64_kernel, &gen_op_stsw_le_64_kernel, }; #endif #else #if defined(CONFIG_USER_ONLY) static GenOpFunc1 *gen_op_lswi[] = { &gen_op_lswi_raw, &gen_op_lswi_le_raw, }; static GenOpFunc3 *gen_op_lswx[] = { &gen_op_lswx_raw, &gen_op_lswx_le_raw, }; static GenOpFunc1 *gen_op_stsw[] = { &gen_op_stsw_raw, &gen_op_stsw_le_raw, }; #else static GenOpFunc1 *gen_op_lswi[] = { &gen_op_lswi_user, &gen_op_lswi_le_user, &gen_op_lswi_kernel, &gen_op_lswi_le_kernel, }; static GenOpFunc3 *gen_op_lswx[] = { &gen_op_lswx_user, &gen_op_lswx_le_user, &gen_op_lswx_kernel, &gen_op_lswx_le_kernel, }; static GenOpFunc1 *gen_op_stsw[] = { &gen_op_stsw_user, &gen_op_stsw_le_user, &gen_op_stsw_kernel, &gen_op_stsw_le_kernel, }; #endif #endif /* 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... */ GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_INTEGER) { int nb = NB(ctx->opcode); int start = rD(ctx->opcode); int ra = rA(ctx->opcode); int nr; if (nb == 0) nb = 32; nr = nb / 4; if (unlikely(((start + nr) > 32 && start <= ra && (start + nr - 32) > ra) || ((start + nr) <= 32 && start <= ra && (start + nr) > ra))) { RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); return; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_register(ctx); gen_op_set_T1(nb); op_ldsts(lswi, start); } /* lswx */ GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_INTEGER) { int ra = rA(ctx->opcode); int rb = rB(ctx->opcode); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); if (ra == 0) { ra = rb; } gen_op_load_xer_bc(); op_ldstsx(lswx, rD(ctx->opcode), ra, rb); } /* stswi */ GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_INTEGER) { int nb = NB(ctx->opcode); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_register(ctx); if (nb == 0) nb = 32; gen_op_set_T1(nb); op_ldsts(stsw, rS(ctx->opcode)); } /* stswx */ GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_INTEGER) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); gen_op_load_xer_bc(); op_ldsts(stsw, rS(ctx->opcode)); } /*** Memory synchronisation ***/ /* eieio */ GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FF0801, PPC_MEM_EIEIO) { } /* isync */ GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FF0801, PPC_MEM) { } #define op_lwarx() (*gen_op_lwarx[ctx->mem_idx])() #define op_stwcx() (*gen_op_stwcx[ctx->mem_idx])() #if defined(TARGET_PPC64) #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_lwarx[] = { &gen_op_lwarx_raw, &gen_op_lwarx_le_raw, &gen_op_lwarx_64_raw, &gen_op_lwarx_le_64_raw, }; static GenOpFunc *gen_op_stwcx[] = { &gen_op_stwcx_raw, &gen_op_stwcx_le_raw, &gen_op_stwcx_64_raw, &gen_op_stwcx_le_64_raw, }; #else static GenOpFunc *gen_op_lwarx[] = { &gen_op_lwarx_user, &gen_op_lwarx_le_user, &gen_op_lwarx_kernel, &gen_op_lwarx_le_kernel, &gen_op_lwarx_64_user, &gen_op_lwarx_le_64_user, &gen_op_lwarx_64_kernel, &gen_op_lwarx_le_64_kernel, }; static GenOpFunc *gen_op_stwcx[] = { &gen_op_stwcx_user, &gen_op_stwcx_le_user, &gen_op_stwcx_kernel, &gen_op_stwcx_le_kernel, &gen_op_stwcx_64_user, &gen_op_stwcx_le_64_user, &gen_op_stwcx_64_kernel, &gen_op_stwcx_le_64_kernel, }; #endif #else #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_lwarx[] = { &gen_op_lwarx_raw, &gen_op_lwarx_le_raw, }; static GenOpFunc *gen_op_stwcx[] = { &gen_op_stwcx_raw, &gen_op_stwcx_le_raw, }; #else static GenOpFunc *gen_op_lwarx[] = { &gen_op_lwarx_user, &gen_op_lwarx_le_user, &gen_op_lwarx_kernel, &gen_op_lwarx_le_kernel, }; static GenOpFunc *gen_op_stwcx[] = { &gen_op_stwcx_user, &gen_op_stwcx_le_user, &gen_op_stwcx_kernel, &gen_op_stwcx_le_kernel, }; #endif #endif /* lwarx */ GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000001, PPC_RES) { gen_addr_reg_index(ctx); op_lwarx(); gen_op_store_T1_gpr(rD(ctx->opcode)); } /* stwcx. */ GEN_HANDLER(stwcx_, 0x1F, 0x16, 0x04, 0x00000000, PPC_RES) { gen_addr_reg_index(ctx); gen_op_load_gpr_T1(rS(ctx->opcode)); op_stwcx(); } /* sync */ GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_MEM_SYNC) { } /*** Floating-point load ***/ #define GEN_LDF(width, opc) \ GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_addr_imm_index(ctx); \ op_ldst(l##width); \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ } #define GEN_LDUF(width, opc) \ GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_imm_index(ctx); \ op_ldst(l##width); \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_LDUXF(width, opc) \ GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_reg_index(ctx); \ op_ldst(l##width); \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_LDXF(width, opc2, opc3) \ GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_addr_reg_index(ctx); \ op_ldst(l##width); \ gen_op_store_FT0_fpr(rD(ctx->opcode)); \ } #define GEN_LDFS(width, op) \ OP_LD_TABLE(width); \ GEN_LDF(width, op | 0x20); \ GEN_LDUF(width, op | 0x21); \ GEN_LDUXF(width, op | 0x01); \ GEN_LDXF(width, 0x17, op | 0x00) /* lfd lfdu lfdux lfdx */ GEN_LDFS(fd, 0x12); /* lfs lfsu lfsux lfsx */ GEN_LDFS(fs, 0x10); /*** Floating-point store ***/ #define GEN_STF(width, opc) \ GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_addr_imm_index(ctx); \ gen_op_load_fpr_FT0(rS(ctx->opcode)); \ op_ldst(st##width); \ } #define GEN_STUF(width, opc) \ GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_imm_index(ctx); \ gen_op_load_fpr_FT0(rS(ctx->opcode)); \ op_ldst(st##width); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_STUXF(width, opc) \ GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ RET_INVAL(ctx); \ return; \ } \ gen_addr_reg_index(ctx); \ gen_op_load_fpr_FT0(rS(ctx->opcode)); \ op_ldst(st##width); \ gen_op_store_T0_gpr(rA(ctx->opcode)); \ } #define GEN_STXF(width, opc2, opc3) \ GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ RET_EXCP(ctx, EXCP_NO_FP, 0); \ return; \ } \ gen_addr_reg_index(ctx); \ gen_op_load_fpr_FT0(rS(ctx->opcode)); \ op_ldst(st##width); \ } #define GEN_STFS(width, op) \ OP_ST_TABLE(width); \ GEN_STF(width, op | 0x20); \ GEN_STUF(width, op | 0x21); \ GEN_STUXF(width, op | 0x01); \ GEN_STXF(width, 0x17, op | 0x00) /* stfd stfdu stfdux stfdx */ GEN_STFS(fd, 0x16); /* stfs stfsu stfsux stfsx */ GEN_STFS(fs, 0x14); /* Optional: */ /* stfiwx */ GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { RET_EXCP(ctx, EXCP_NO_FP, 0); return; } gen_addr_reg_index(ctx); /* XXX: TODO: memcpy low order 32 bits of FRP(rs) into memory */ RET_INVAL(ctx); } /*** Branch ***/ static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) { TranslationBlock *tb; tb = ctx->tb; if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { if (n == 0) gen_op_goto_tb0(TBPARAM(tb)); else gen_op_goto_tb1(TBPARAM(tb)); gen_set_T1(dest); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_b_T1_64(); else #endif gen_op_b_T1(); gen_op_set_T0((long)tb + n); if (ctx->singlestep_enabled) gen_op_debug(); gen_op_exit_tb(); } else { gen_set_T1(dest); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_b_T1_64(); else #endif gen_op_b_T1(); gen_op_reset_T0(); if (ctx->singlestep_enabled) gen_op_debug(); gen_op_exit_tb(); } } /* b ba bl bla */ GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW) { target_ulong li, target; /* sign extend LI */ #if defined(TARGET_PPC64) if (ctx->sf_mode) li = ((int64_t)LI(ctx->opcode) << 38) >> 38; else #endif li = ((int32_t)LI(ctx->opcode) << 6) >> 6; if (likely(AA(ctx->opcode) == 0)) target = ctx->nip + li - 4; else target = li; if (LK(ctx->opcode)) { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_setlr_64(ctx->nip >> 32, ctx->nip); else #endif gen_op_setlr(ctx->nip); } gen_goto_tb(ctx, 0, target); ctx->exception = EXCP_BRANCH; } #define BCOND_IM 0 #define BCOND_LR 1 #define BCOND_CTR 2 static inline void gen_bcond(DisasContext *ctx, int type) { target_ulong target = 0; target_ulong li; uint32_t bo = BO(ctx->opcode); uint32_t bi = BI(ctx->opcode); uint32_t mask; if ((bo & 0x4) == 0) gen_op_dec_ctr(); switch(type) { case BCOND_IM: li = (target_long)((int16_t)(BD(ctx->opcode))); if (likely(AA(ctx->opcode) == 0)) { target = ctx->nip + li - 4; } else { target = li; } break; case BCOND_CTR: gen_op_movl_T1_ctr(); break; default: case BCOND_LR: gen_op_movl_T1_lr(); break; } if (LK(ctx->opcode)) { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_setlr_64(ctx->nip >> 32, ctx->nip); else #endif gen_op_setlr(ctx->nip); } if (bo & 0x10) { /* No CR condition */ switch (bo & 0x6) { case 0: #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_test_ctr_64(); else #endif gen_op_test_ctr(); break; case 2: #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_test_ctrz_64(); else #endif gen_op_test_ctrz(); break; default: case 4: case 6: if (type == BCOND_IM) { gen_goto_tb(ctx, 0, target); } else { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_b_T1_64(); else #endif gen_op_b_T1(); gen_op_reset_T0(); } goto no_test; } } else { mask = 1 << (3 - (bi & 0x03)); gen_op_load_crf_T0(bi >> 2); if (bo & 0x8) { switch (bo & 0x6) { case 0: #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_test_ctr_true_64(mask); else #endif gen_op_test_ctr_true(mask); break; case 2: #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_test_ctrz_true_64(mask); else #endif gen_op_test_ctrz_true(mask); break; default: case 4: case 6: gen_op_test_true(mask); break; } } else { switch (bo & 0x6) { case 0: #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_test_ctr_false_64(mask); else #endif gen_op_test_ctr_false(mask); break; case 2: #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_test_ctrz_false_64(mask); else #endif gen_op_test_ctrz_false(mask); break; default: case 4: case 6: gen_op_test_false(mask); break; } } } if (type == BCOND_IM) { int l1 = gen_new_label(); gen_op_jz_T0(l1); gen_goto_tb(ctx, 0, target); gen_set_label(l1); gen_goto_tb(ctx, 1, ctx->nip); } else { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_btest_T1_64(ctx->nip >> 32, ctx->nip); else #endif gen_op_btest_T1(ctx->nip); gen_op_reset_T0(); } no_test: if (ctx->singlestep_enabled) gen_op_debug(); gen_op_exit_tb(); ctx->exception = EXCP_BRANCH; } GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW) { gen_bcond(ctx, BCOND_IM); } GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW) { gen_bcond(ctx, BCOND_CTR); } GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW) { gen_bcond(ctx, BCOND_LR); } /*** Condition register logical ***/ #define GEN_CRLOGIC(op, opc) \ GEN_HANDLER(cr##op, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \ { \ gen_op_load_crf_T0(crbA(ctx->opcode) >> 2); \ gen_op_getbit_T0(3 - (crbA(ctx->opcode) & 0x03)); \ gen_op_load_crf_T1(crbB(ctx->opcode) >> 2); \ gen_op_getbit_T1(3 - (crbB(ctx->opcode) & 0x03)); \ gen_op_##op(); \ gen_op_load_crf_T1(crbD(ctx->opcode) >> 2); \ gen_op_setcrfbit(~(1 << (3 - (crbD(ctx->opcode) & 0x03))), \ 3 - (crbD(ctx->opcode) & 0x03)); \ gen_op_store_T1_crf(crbD(ctx->opcode) >> 2); \ } /* crand */ GEN_CRLOGIC(and, 0x08); /* crandc */ GEN_CRLOGIC(andc, 0x04); /* creqv */ GEN_CRLOGIC(eqv, 0x09); /* crnand */ GEN_CRLOGIC(nand, 0x07); /* crnor */ GEN_CRLOGIC(nor, 0x01); /* cror */ GEN_CRLOGIC(or, 0x0E); /* crorc */ GEN_CRLOGIC(orc, 0x0D); /* crxor */ GEN_CRLOGIC(xor, 0x06); /* mcrf */ GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER) { gen_op_load_crf_T0(crfS(ctx->opcode)); gen_op_store_T0_crf(crfD(ctx->opcode)); } /*** System linkage ***/ /* rfi (supervisor only) */ GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else /* Restore CPU state */ if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } #if defined(TARGET_PPC64) if (!ctx->sf_mode) gen_op_rfi_32(); else #endif gen_op_rfi(); RET_CHG_FLOW(ctx); #endif } /* sc */ GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFFFFD, PPC_FLOW) { #if defined(CONFIG_USER_ONLY) RET_EXCP(ctx, EXCP_SYSCALL_USER, 0); #else RET_EXCP(ctx, EXCP_SYSCALL, 0); #endif } /*** Trap ***/ /* tw */ GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_op_tw(TO(ctx->opcode)); } /* twi */ GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_set_T1(SIMM(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_op_tw(TO(ctx->opcode)); } #if defined(TARGET_PPC64) /* td */ GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_op_td(TO(ctx->opcode)); } /* tdi */ GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_set_T1(SIMM(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_op_td(TO(ctx->opcode)); } #endif /*** Processor control ***/ /* mcrxr */ GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC) { gen_op_load_xer_cr(); gen_op_store_T0_crf(crfD(ctx->opcode)); gen_op_clear_xer_cr(); } /* mfcr */ GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC) { uint32_t crm, crn; if (likely(ctx->opcode & 0x00100000)) { crm = CRM(ctx->opcode); if (likely((crm ^ (crm - 1)) == 0)) { crn = ffs(crm); gen_op_load_cro(7 - crn); } } else { gen_op_load_cr(); } gen_op_store_T0_gpr(rD(ctx->opcode)); } /* mfmsr */ GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_load_msr(); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } #if 0 #define SPR_NOACCESS ((void *)(-1)) #else static void spr_noaccess (void *opaque, int sprn) { sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); printf("ERROR: try to access SPR %d !\n", sprn); } #define SPR_NOACCESS (&spr_noaccess) #endif /* mfspr */ static inline void gen_op_mfspr (DisasContext *ctx) { void (*read_cb)(void *opaque, int sprn); uint32_t sprn = SPR(ctx->opcode); #if !defined(CONFIG_USER_ONLY) if (ctx->supervisor) read_cb = ctx->spr_cb[sprn].oea_read; else #endif read_cb = ctx->spr_cb[sprn].uea_read; if (likely(read_cb != NULL)) { if (likely(read_cb != SPR_NOACCESS)) { (*read_cb)(ctx, sprn); gen_op_store_T0_gpr(rD(ctx->opcode)); } else { /* Privilege exception */ if (loglevel) { fprintf(logfile, "Trying to read priviledged spr %d %03x\n", sprn, sprn); } printf("Trying to read priviledged spr %d %03x\n", sprn, sprn); RET_PRIVREG(ctx); } } else { /* Not defined */ if (loglevel) { fprintf(logfile, "Trying to read invalid spr %d %03x\n", sprn, sprn); } printf("Trying to read invalid spr %d %03x\n", sprn, sprn); RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); } } GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC) { gen_op_mfspr(ctx); } /* mftb */ GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_TB) { gen_op_mfspr(ctx); } /* mtcrf */ GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC) { uint32_t crm, crn; gen_op_load_gpr_T0(rS(ctx->opcode)); crm = CRM(ctx->opcode); if (likely((ctx->opcode & 0x00100000) || (crm ^ (crm - 1)) == 0)) { crn = ffs(crm); gen_op_srli_T0(crn * 4); gen_op_andi_T0(0xF); gen_op_store_cro(7 - crn); } else { gen_op_store_cr(crm); } } /* mtmsr */ GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_update_nip(ctx, ctx->nip); gen_op_load_gpr_T0(rS(ctx->opcode)); #if defined(TARGET_PPC64) if (!ctx->sf_mode) gen_op_store_msr_32(); else #endif gen_op_store_msr(); /* Must stop the translation as machine state (may have) changed */ RET_CHG_FLOW(ctx); #endif } /* mtspr */ GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC) { void (*write_cb)(void *opaque, int sprn); uint32_t sprn = SPR(ctx->opcode); #if !defined(CONFIG_USER_ONLY) if (ctx->supervisor) write_cb = ctx->spr_cb[sprn].oea_write; else #endif write_cb = ctx->spr_cb[sprn].uea_write; if (likely(write_cb != NULL)) { if (likely(write_cb != SPR_NOACCESS)) { gen_op_load_gpr_T0(rS(ctx->opcode)); (*write_cb)(ctx, sprn); } else { /* Privilege exception */ if (loglevel) { fprintf(logfile, "Trying to write priviledged spr %d %03x\n", sprn, sprn); } printf("Trying to write priviledged spr %d %03x\n", sprn, sprn); RET_PRIVREG(ctx); } } else { /* Not defined */ if (loglevel) { fprintf(logfile, "Trying to write invalid spr %d %03x\n", sprn, sprn); } printf("Trying to write invalid spr %d %03x\n", sprn, sprn); RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); } } /*** Cache management ***/ /* For now, all those will be implemented as nop: * this is valid, regarding the PowerPC specs... * We just have to flush tb while invalidating instruction cache lines... */ /* dcbf */ GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03E00001, PPC_CACHE) { gen_addr_reg_index(ctx); op_ldst(lbz); } /* dcbi (Supervisor only) */ GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_addr_reg_index(ctx); /* XXX: specification says this should be treated as a store by the MMU */ //op_ldst(lbz); op_ldst(stb); #endif } /* dcdst */ GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE) { /* XXX: specification say this is treated as a load by the MMU */ gen_addr_reg_index(ctx); op_ldst(lbz); } /* dcbt */ GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x03E00001, PPC_CACHE) { /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* dcbtst */ GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x03E00001, PPC_CACHE) { /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* dcbz */ #define op_dcbz() (*gen_op_dcbz[ctx->mem_idx])() #if defined(TARGET_PPC64) #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_dcbz[] = { &gen_op_dcbz_raw, &gen_op_dcbz_raw, &gen_op_dcbz_64_raw, &gen_op_dcbz_64_raw, }; #else static GenOpFunc *gen_op_dcbz[] = { &gen_op_dcbz_user, &gen_op_dcbz_user, &gen_op_dcbz_kernel, &gen_op_dcbz_kernel, &gen_op_dcbz_64_user, &gen_op_dcbz_64_user, &gen_op_dcbz_64_kernel, &gen_op_dcbz_64_kernel, }; #endif #else #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_dcbz[] = { &gen_op_dcbz_raw, &gen_op_dcbz_raw, }; #else static GenOpFunc *gen_op_dcbz[] = { &gen_op_dcbz_user, &gen_op_dcbz_user, &gen_op_dcbz_kernel, &gen_op_dcbz_kernel, }; #endif #endif GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE) { gen_addr_reg_index(ctx); op_dcbz(); gen_op_check_reservation(); } /* icbi */ #define op_icbi() (*gen_op_icbi[ctx->mem_idx])() #if defined(TARGET_PPC64) #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_icbi[] = { &gen_op_icbi_raw, &gen_op_icbi_raw, &gen_op_icbi_64_raw, &gen_op_icbi_64_raw, }; #else static GenOpFunc *gen_op_icbi[] = { &gen_op_icbi_user, &gen_op_icbi_user, &gen_op_icbi_kernel, &gen_op_icbi_kernel, &gen_op_icbi_64_user, &gen_op_icbi_64_user, &gen_op_icbi_64_kernel, &gen_op_icbi_64_kernel, }; #endif #else #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_icbi[] = { &gen_op_icbi_raw, &gen_op_icbi_raw, }; #else static GenOpFunc *gen_op_icbi[] = { &gen_op_icbi_user, &gen_op_icbi_user, &gen_op_icbi_kernel, &gen_op_icbi_kernel, }; #endif #endif GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); op_icbi(); RET_STOP(ctx); } /* Optional: */ /* dcba */ GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_OPT) { } /*** Segment register manipulation ***/ /* Supervisor only: */ /* mfsr */ GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_set_T1(SR(ctx->opcode)); gen_op_load_sr(); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } /* mfsrin */ GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_srli_T1(28); gen_op_load_sr(); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } /* mtsr */ GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_set_T1(SR(ctx->opcode)); gen_op_store_sr(); RET_STOP(ctx); #endif } /* mtsrin */ GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_srli_T1(28); gen_op_store_sr(); RET_STOP(ctx); #endif } /*** Lookaside buffer management ***/ /* Optional & supervisor only: */ /* tlbia */ GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { if (loglevel) fprintf(logfile, "%s: ! supervisor\n", __func__); RET_PRIVOPC(ctx); return; } gen_op_tlbia(); RET_STOP(ctx); #endif } /* tlbie */ GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM_TLBIE) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_load_gpr_T0(rB(ctx->opcode)); #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_tlbie_64(); else #endif gen_op_tlbie(); RET_STOP(ctx); #endif } /* tlbsync */ GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } /* This has no effect: it should ensure that all previous * tlbie have completed */ RET_STOP(ctx); #endif } /*** External control ***/ /* Optional: */ #define op_eciwx() (*gen_op_eciwx[ctx->mem_idx])() #define op_ecowx() (*gen_op_ecowx[ctx->mem_idx])() #if defined(TARGET_PPC64) #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_eciwx[] = { &gen_op_eciwx_raw, &gen_op_eciwx_le_raw, &gen_op_eciwx_64_raw, &gen_op_eciwx_le_64_raw, }; static GenOpFunc *gen_op_ecowx[] = { &gen_op_ecowx_raw, &gen_op_ecowx_le_raw, &gen_op_ecowx_64_raw, &gen_op_ecowx_le_64_raw, }; #else static GenOpFunc *gen_op_eciwx[] = { &gen_op_eciwx_user, &gen_op_eciwx_le_user, &gen_op_eciwx_kernel, &gen_op_eciwx_le_kernel, &gen_op_eciwx_64_user, &gen_op_eciwx_le_64_user, &gen_op_eciwx_64_kernel, &gen_op_eciwx_le_64_kernel, }; static GenOpFunc *gen_op_ecowx[] = { &gen_op_ecowx_user, &gen_op_ecowx_le_user, &gen_op_ecowx_kernel, &gen_op_ecowx_le_kernel, &gen_op_ecowx_64_user, &gen_op_ecowx_le_64_user, &gen_op_ecowx_64_kernel, &gen_op_ecowx_le_64_kernel, }; #endif #else #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_eciwx[] = { &gen_op_eciwx_raw, &gen_op_eciwx_le_raw, }; static GenOpFunc *gen_op_ecowx[] = { &gen_op_ecowx_raw, &gen_op_ecowx_le_raw, }; #else static GenOpFunc *gen_op_eciwx[] = { &gen_op_eciwx_user, &gen_op_eciwx_le_user, &gen_op_eciwx_kernel, &gen_op_eciwx_le_kernel, }; static GenOpFunc *gen_op_ecowx[] = { &gen_op_ecowx_user, &gen_op_ecowx_le_user, &gen_op_ecowx_kernel, &gen_op_ecowx_le_kernel, }; #endif #endif /* eciwx */ GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN) { /* Should check EAR[E] & alignment ! */ gen_addr_reg_index(ctx); op_eciwx(); gen_op_store_T0_gpr(rD(ctx->opcode)); } /* ecowx */ GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN) { /* Should check EAR[E] & alignment ! */ gen_addr_reg_index(ctx); gen_op_load_gpr_T1(rS(ctx->opcode)); op_ecowx(); } /* PowerPC 601 specific instructions */ /* abs - abs. */ GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_POWER_abs(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* abso - abso. */ GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_POWER_abso(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* clcs */ GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR) /* 601 ? */ { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_POWER_clcs(); gen_op_store_T0_gpr(rD(ctx->opcode)); } /* div - div. */ GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_div(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* divo - divo. */ GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_divo(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* divs - divs. */ GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_divs(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* divso - divso. */ GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_divso(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* doz - doz. */ GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_doz(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* dozo - dozo. */ GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_dozo(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* dozi */ GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_set_T1(SIMM(ctx->opcode)); gen_op_POWER_doz(); gen_op_store_T0_gpr(rD(ctx->opcode)); } /* As lscbx load from memory byte after byte, it's always endian safe */ #define op_POWER_lscbx(start, ra, rb) \ (*gen_op_POWER_lscbx[ctx->mem_idx])(start, ra, rb) #if defined(CONFIG_USER_ONLY) static GenOpFunc3 *gen_op_POWER_lscbx[] = { &gen_op_POWER_lscbx_raw, &gen_op_POWER_lscbx_raw, }; #else static GenOpFunc3 *gen_op_POWER_lscbx[] = { &gen_op_POWER_lscbx_user, &gen_op_POWER_lscbx_user, &gen_op_POWER_lscbx_kernel, &gen_op_POWER_lscbx_kernel, }; #endif /* lscbx - lscbx. */ GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR) { int ra = rA(ctx->opcode); int rb = rB(ctx->opcode); gen_addr_reg_index(ctx); if (ra == 0) { ra = rb; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_op_load_xer_bc(); gen_op_load_xer_cmp(); op_POWER_lscbx(rD(ctx->opcode), ra, rb); gen_op_store_xer_bc(); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* maskg - maskg. */ GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_maskg(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* maskir - maskir. */ GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rS(ctx->opcode)); gen_op_load_gpr_T2(rB(ctx->opcode)); gen_op_POWER_maskir(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* mul - mul. */ GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_mul(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* mulo - mulo. */ GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_mulo(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* nabs - nabs. */ GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_POWER_nabs(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* nabso - nabso. */ GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_POWER_nabso(); gen_op_store_T0_gpr(rD(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* rlmi - rlmi. */ GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR) { uint32_t mb, me; mb = MB(ctx->opcode); me = ME(ctx->opcode); gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rA(ctx->opcode)); gen_op_load_gpr_T2(rB(ctx->opcode)); gen_op_POWER_rlmi(MASK(mb, me), ~MASK(mb, me)); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* rrib - rrib. */ GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rA(ctx->opcode)); gen_op_load_gpr_T2(rB(ctx->opcode)); gen_op_POWER_rrib(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sle - sle. */ GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_sle(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sleq - sleq. */ GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_sleq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sliq - sliq. */ GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_set_T1(SH(ctx->opcode)); gen_op_POWER_sle(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* slliq - slliq. */ GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_set_T1(SH(ctx->opcode)); gen_op_POWER_sleq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sllq - sllq. */ GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_sllq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* slq - slq. */ GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_slq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sraiq - sraiq. */ GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_set_T1(SH(ctx->opcode)); gen_op_POWER_sraq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sraq - sraq. */ GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_sraq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sre - sre. */ GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_sre(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* srea - srea. */ GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_srea(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sreq */ GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_sreq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* sriq */ GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_set_T1(SH(ctx->opcode)); gen_op_POWER_srq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* srliq */ GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_set_T1(SH(ctx->opcode)); gen_op_POWER_srlq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* srlq */ GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_srlq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* srq */ GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_POWER_srq(); gen_op_store_T0_gpr(rA(ctx->opcode)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx); } /* PowerPC 602 specific instructions */ /* dsa */ GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC) { /* XXX: TODO */ RET_INVAL(ctx); } /* esa */ GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC) { /* XXX: TODO */ RET_INVAL(ctx); } /* mfrom */ GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_602_mfrom(); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } /* 602 - 603 - G2 TLB management */ /* tlbld */ GEN_HANDLER(tlbld, 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_load_gpr_T0(rB(ctx->opcode)); gen_op_6xx_tlbld(); RET_STOP(ctx); #endif } /* tlbli */ GEN_HANDLER(tlbli, 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_load_gpr_T0(rB(ctx->opcode)); gen_op_6xx_tlbli(); RET_STOP(ctx); #endif } /* POWER instructions not in PowerPC 601 */ /* clf */ GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER) { /* Cache line flush: implemented as no-op */ } /* cli */ GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER) { /* Cache line invalidate: priviledged and treated as no-op */ #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } #endif } /* dclst */ GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER) { /* Data cache line store: treated as no-op */ } GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); gen_addr_reg_index(ctx); gen_op_POWER_mfsri(); gen_op_store_T0_gpr(rd); if (ra != 0 && ra != rd) gen_op_store_T1_gpr(ra); #endif } GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_addr_reg_index(ctx); gen_op_POWER_rac(); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_POWER_rfsvc(); RET_CHG_FLOW(ctx); #endif } /* svc is not implemented for now */ /* POWER2 specific instructions */ /* Quad manipulation (load/store two floats at a time) */ #define op_POWER2_lfq() (*gen_op_POWER2_lfq[ctx->mem_idx])() #define op_POWER2_stfq() (*gen_op_POWER2_stfq[ctx->mem_idx])() #if defined(CONFIG_USER_ONLY) static GenOpFunc *gen_op_POWER2_lfq[] = { &gen_op_POWER2_lfq_le_raw, &gen_op_POWER2_lfq_raw, }; static GenOpFunc *gen_op_POWER2_stfq[] = { &gen_op_POWER2_stfq_le_raw, &gen_op_POWER2_stfq_raw, }; #else static GenOpFunc *gen_op_POWER2_lfq[] = { &gen_op_POWER2_lfq_le_user, &gen_op_POWER2_lfq_user, &gen_op_POWER2_lfq_le_kernel, &gen_op_POWER2_lfq_kernel, }; static GenOpFunc *gen_op_POWER2_stfq[] = { &gen_op_POWER2_stfq_le_user, &gen_op_POWER2_stfq_user, &gen_op_POWER2_stfq_le_kernel, &gen_op_POWER2_stfq_kernel, }; #endif /* lfq */ GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_imm_index(ctx); op_POWER2_lfq(); gen_op_store_FT0_fpr(rD(ctx->opcode)); gen_op_store_FT1_fpr(rD(ctx->opcode) + 1); } /* lfqu */ GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { int ra = rA(ctx->opcode); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_imm_index(ctx); op_POWER2_lfq(); gen_op_store_FT0_fpr(rD(ctx->opcode)); gen_op_store_FT1_fpr(rD(ctx->opcode) + 1); if (ra != 0) gen_op_store_T0_gpr(ra); } /* lfqux */ GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2) { int ra = rA(ctx->opcode); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); op_POWER2_lfq(); gen_op_store_FT0_fpr(rD(ctx->opcode)); gen_op_store_FT1_fpr(rD(ctx->opcode) + 1); if (ra != 0) gen_op_store_T0_gpr(ra); } /* lfqx */ GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); op_POWER2_lfq(); gen_op_store_FT0_fpr(rD(ctx->opcode)); gen_op_store_FT1_fpr(rD(ctx->opcode) + 1); } /* stfq */ GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_imm_index(ctx); gen_op_load_fpr_FT0(rS(ctx->opcode)); gen_op_load_fpr_FT1(rS(ctx->opcode) + 1); op_POWER2_stfq(); } /* stfqu */ GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { int ra = rA(ctx->opcode); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_imm_index(ctx); gen_op_load_fpr_FT0(rS(ctx->opcode)); gen_op_load_fpr_FT1(rS(ctx->opcode) + 1); op_POWER2_stfq(); if (ra != 0) gen_op_store_T0_gpr(ra); } /* stfqux */ GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2) { int ra = rA(ctx->opcode); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); gen_op_load_fpr_FT0(rS(ctx->opcode)); gen_op_load_fpr_FT1(rS(ctx->opcode) + 1); op_POWER2_stfq(); if (ra != 0) gen_op_store_T0_gpr(ra); } /* stfqx */ GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_addr_reg_index(ctx); gen_op_load_fpr_FT0(rS(ctx->opcode)); gen_op_load_fpr_FT1(rS(ctx->opcode) + 1); op_POWER2_stfq(); } /* BookE specific instructions */ GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_BOOKE) { /* XXX: TODO */ RET_INVAL(ctx); } GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_BOOKE) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_addr_reg_index(ctx); /* Use the same micro-ops as for tlbie */ #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_op_tlbie_64(); else #endif gen_op_tlbie(); RET_STOP(ctx); #endif } /* 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) { gen_op_load_gpr_T0(ra); gen_op_load_gpr_T1(rb); switch (opc3 & 0x0D) { case 0x05: /* macchw - macchw. - macchwo - macchwo. */ /* macchws - macchws. - macchwso - macchwso. */ /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */ /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */ /* mulchw - mulchw. */ gen_op_405_mulchw(); break; case 0x04: /* macchwu - macchwu. - macchwuo - macchwuo. */ /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */ /* mulchwu - mulchwu. */ gen_op_405_mulchwu(); break; case 0x01: /* machhw - machhw. - machhwo - machhwo. */ /* machhws - machhws. - machhwso - machhwso. */ /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */ /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */ /* mulhhw - mulhhw. */ gen_op_405_mulhhw(); break; case 0x00: /* machhwu - machhwu. - machhwuo - machhwuo. */ /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */ /* mulhhwu - mulhhwu. */ gen_op_405_mulhhwu(); break; case 0x0D: /* maclhw - maclhw. - maclhwo - maclhwo. */ /* maclhws - maclhws. - maclhwso - maclhwso. */ /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */ /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */ /* mullhw - mullhw. */ gen_op_405_mullhw(); break; case 0x0C: /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */ /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */ /* mullhwu - mullhwu. */ gen_op_405_mullhwu(); break; } if (opc2 & 0x02) { /* nmultiply-and-accumulate (0x0E) */ gen_op_neg(); } if (opc2 & 0x04) { /* (n)multiply-and-accumulate (0x0C - 0x0E) */ gen_op_load_gpr_T2(rt); gen_op_move_T1_T0(); gen_op_405_add_T0_T2(); } if (opc3 & 0x10) { /* Check overflow */ if (opc3 & 0x01) gen_op_405_check_ov(); else gen_op_405_check_ovu(); } if (opc3 & 0x02) { /* Saturate */ if (opc3 & 0x01) gen_op_405_check_sat(); else gen_op_405_check_satu(); } gen_op_store_T0_gpr(rt); if (unlikely(Rc) != 0) { /* Update Rc0 */ gen_set_Rc0(ctx); } } #define GEN_MAC_HANDLER(name, opc2, opc3) \ GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) \ { \ 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 */ GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else uint32_t dcrn = SPR(ctx->opcode); if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_4xx_load_dcr(dcrn); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } /* mtdcr */ GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVREG(ctx); #else uint32_t dcrn = SPR(ctx->opcode); if (unlikely(!ctx->supervisor)) { RET_PRIVREG(ctx); return; } gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_4xx_store_dcr(dcrn); #endif } /* dccci */ GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } /* interpreted as no-op */ #endif } /* dcread */ GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_addr_reg_index(ctx); op_ldst(lwz); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } /* icbt */ GEN_HANDLER(icbt_40x, 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_SPEC) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* iccci */ GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } /* interpreted as no-op */ #endif } /* icread */ GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } /* interpreted as no-op */ #endif } /* rfci (supervisor only) */ GEN_HANDLER(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } /* Restore CPU state */ gen_op_4xx_rfci(); RET_CHG_FLOW(ctx); #endif } /* TLB management - PowerPC 405 implementation */ /* tlbre */ GEN_HANDLER(tlbre, 0x1F, 0x12, 0x1D, 0x00000001, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } switch (rB(ctx->opcode)) { case 0: gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_4xx_tlbre_hi(); gen_op_store_T0_gpr(rD(ctx->opcode)); break; case 1: gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_4xx_tlbre_lo(); gen_op_store_T0_gpr(rD(ctx->opcode)); break; default: RET_INVAL(ctx); break; } #endif } /* tlbsx - tlbsx. */ GEN_HANDLER(tlbsx, 0x1F, 0x12, 0x1C, 0x00000000, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_addr_reg_index(ctx); if (Rc(ctx->opcode)) gen_op_4xx_tlbsx_(); else gen_op_4xx_tlbsx(); gen_op_store_T0_gpr(rD(ctx->opcode)); #endif } /* tlbwe */ GEN_HANDLER(tlbwe, 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_SPEC) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } switch (rB(ctx->opcode)) { case 0: gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rS(ctx->opcode)); gen_op_4xx_tlbwe_hi(); break; case 1: gen_op_load_gpr_T0(rA(ctx->opcode)); gen_op_load_gpr_T1(rS(ctx->opcode)); gen_op_4xx_tlbwe_lo(); break; default: RET_INVAL(ctx); break; } #endif } /* wrtee */ GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_load_gpr_T0(rD(ctx->opcode)); gen_op_4xx_wrte(); RET_EXCP(ctx, EXCP_MTMSR, 0); #endif } /* wrteei */ GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000EFC01, PPC_EMB_COMMON) { #if defined(CONFIG_USER_ONLY) RET_PRIVOPC(ctx); #else if (unlikely(!ctx->supervisor)) { RET_PRIVOPC(ctx); return; } gen_op_set_T0(ctx->opcode & 0x00010000); gen_op_4xx_wrte(); RET_EXCP(ctx, EXCP_MTMSR, 0); #endif } /* PPC 440 specific instructions */ /* dlmzb */ GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC) { gen_op_load_gpr_T0(rS(ctx->opcode)); gen_op_load_gpr_T1(rB(ctx->opcode)); gen_op_440_dlmzb(); gen_op_store_T0_gpr(rA(ctx->opcode)); gen_op_store_xer_bc(); if (Rc(ctx->opcode)) { gen_op_440_dlmzb_update_Rc(); gen_op_store_T0_crf(0); } } /* mbar replaces eieio on 440 */ GEN_HANDLER(mbar, 0x1F, 0x16, 0x13, 0x001FF801, PPC_BOOKE) { /* interpreted as no-op */ } /* msync replaces sync on 440 */ GEN_HANDLER(msync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_BOOKE) { /* interpreted as no-op */ } /* icbt */ GEN_HANDLER(icbt_440, 0x1F, 0x16, 0x00, 0x03E00001, PPC_BOOKE) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* End opcode list */ GEN_OPCODE_MARK(end); #include "translate_init.c" /*****************************************************************************/ /* Misc PowerPC helpers */ static inline uint32_t load_xer (CPUState *env) { return (xer_so << XER_SO) | (xer_ov << XER_OV) | (xer_ca << XER_CA) | (xer_bc << XER_BC) | (xer_cmp << XER_CMP); } void cpu_dump_state(CPUState *env, FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { #if defined(TARGET_PPC64) || 1 #define FILL "" #define RGPL 4 #define RFPL 4 #else #define FILL " " #define RGPL 8 #define RFPL 4 #endif int i; cpu_fprintf(f, "NIP " REGX " LR " REGX " CTR " REGX "\n", env->nip, env->lr, env->ctr); cpu_fprintf(f, "MSR " REGX FILL " XER %08x " #if !defined(NO_TIMER_DUMP) "TB %08x %08x " #if !defined(CONFIG_USER_ONLY) "DECR %08x" #endif #endif "\n", do_load_msr(env), load_xer(env) #if !defined(NO_TIMER_DUMP) , 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, " " REGX, env->gpr[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, " ] " FILL "RES " REGX "\n", env->reserve); 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, "SRR0 " REGX " SRR1 " REGX " " FILL FILL FILL "SDR1 " REGX "\n", env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1); #undef RGPL #undef RFPL #undef FILL } void cpu_dump_statistics (CPUState *env, FILE*f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { #if defined(DO_PPC_STATISTICS) opc_handler_t **t1, **t2, **t3, *handler; int op1, op2, op3; t1 = 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: " "%016llx %lld\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: " "%016llx %lld\n", op1, op2, op1, op2, handler->oname, handler->count, handler->count); } } } else { if (handler->count == 0) continue; cpu_fprintf(f, "%02x (%02x ) %16s: %016llx %lld\n", op1, op1, handler->oname, handler->count, handler->count); } } #endif } /*****************************************************************************/ static inline int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, int search_pc) { DisasContext ctx, *ctxp = &ctx; opc_handler_t **table, *handler; target_ulong pc_start; uint16_t *gen_opc_end; int j, lj = -1; pc_start = tb->pc; gen_opc_ptr = gen_opc_buf; gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; gen_opparam_ptr = gen_opparam_buf; nb_gen_labels = 0; ctx.nip = pc_start; ctx.tb = tb; ctx.exception = EXCP_NONE; ctx.spr_cb = env->spr_cb; #if defined(CONFIG_USER_ONLY) ctx.mem_idx = msr_le; #if defined(TARGET_PPC64) ctx.mem_idx |= msr_sf << 1; #endif #else ctx.supervisor = 1 - msr_pr; ctx.mem_idx = ((1 - msr_pr) << 1) | msr_le; #if defined(TARGET_PPC64) ctx.mem_idx |= msr_sf << 2; #endif #endif #if defined(TARGET_PPC64) ctx.sf_mode = msr_sf; #endif ctx.fpu_enabled = msr_fp; ctx.singlestep_enabled = env->singlestep_enabled; #if defined (DO_SINGLE_STEP) && 0 /* Single step trace mode */ msr_se = 1; #endif /* Set env in case of segfault during code fetch */ while (ctx.exception == EXCP_NONE && gen_opc_ptr < gen_opc_end) { if (unlikely(env->nb_breakpoints > 0)) { for (j = 0; j < env->nb_breakpoints; j++) { if (env->breakpoints[j] == ctx.nip) { gen_update_nip(&ctx, ctx.nip); gen_op_debug(); break; } } } if (unlikely(search_pc)) { j = gen_opc_ptr - gen_opc_buf; if (lj < j) { lj++; while (lj < j) gen_opc_instr_start[lj++] = 0; gen_opc_pc[lj] = ctx.nip; gen_opc_instr_start[lj] = 1; } } #if defined PPC_DEBUG_DISAS if (loglevel & CPU_LOG_TB_IN_ASM) { fprintf(logfile, "----------------\n"); fprintf(logfile, "nip=%08x super=%d ir=%d\n", ctx.nip, 1 - msr_pr, msr_ir); } #endif ctx.opcode = ldl_code(ctx.nip); if (msr_le) { ctx.opcode = ((ctx.opcode & 0xFF000000) >> 24) | ((ctx.opcode & 0x00FF0000) >> 8) | ((ctx.opcode & 0x0000FF00) << 8) | ((ctx.opcode & 0x000000FF) << 24); } #if defined PPC_DEBUG_DISAS if (loglevel & CPU_LOG_TB_IN_ASM) { fprintf(logfile, "translate opcode %08x (%02x %02x %02x) (%s)\n", ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), msr_le ? "little" : "big"); } #endif 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)]; } } /* Is opcode *REALLY* valid ? */ if (unlikely(handler->handler == &gen_invalid)) { if (loglevel > 0) { fprintf(logfile, "invalid/unsupported opcode: " "%02x - %02x - %02x (%08x) 0x" REGX " %d\n", opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir); } else { printf("invalid/unsupported opcode: " "%02x - %02x - %02x (%08x) 0x" REGX " %d\n", opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir); } } else { if (unlikely((ctx.opcode & handler->inval) != 0)) { if (loglevel > 0) { fprintf(logfile, "invalid bits: %08x for opcode: " "%02x -%02x - %02x (%08x) " REGX "\n", ctx.opcode & handler->inval, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4); } else { printf("invalid bits: %08x for opcode: " "%02x -%02x - %02x (%08x) " REGX "\n", ctx.opcode & handler->inval, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4); } RET_INVAL(ctxp); break; } } (*(handler->handler))(&ctx); #if defined(DO_PPC_STATISTICS) handler->count++; #endif /* Check trace mode exceptions */ if (unlikely((msr_be && ctx.exception == EXCP_BRANCH) || /* Check in single step trace mode * we need to stop except if: * - rfi, trap or syscall * - first instruction of an exception handler */ (msr_se && (ctx.nip < 0x100 || ctx.nip > 0xF00 || (ctx.nip & 0xFC) != 0x04) && ctx.exception != EXCP_SYSCALL && ctx.exception != EXCP_SYSCALL_USER && ctx.exception != EXCP_TRAP))) { RET_EXCP(ctxp, EXCP_TRACE, 0); } /* if we reach a page boundary or are single stepping, stop * generation */ if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) || (env->singlestep_enabled))) { break; } #if defined (DO_SINGLE_STEP) break; #endif } if (ctx.exception == EXCP_NONE) { gen_goto_tb(&ctx, 0, ctx.nip); } else if (ctx.exception != EXCP_BRANCH) { gen_op_reset_T0(); /* Generate the return instruction */ gen_op_exit_tb(); } *gen_opc_ptr = INDEX_op_end; if (unlikely(search_pc)) { j = gen_opc_ptr - gen_opc_buf; lj++; while (lj <= j) gen_opc_instr_start[lj++] = 0; tb->size = 0; } else { tb->size = ctx.nip - pc_start; } #if defined(DEBUG_DISAS) if (loglevel & CPU_LOG_TB_CPU) { fprintf(logfile, "---------------- excp: %04x\n", ctx.exception); cpu_dump_state(env, logfile, fprintf, 0); } if (loglevel & CPU_LOG_TB_IN_ASM) { int flags; flags = msr_le; fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); target_disas(logfile, pc_start, ctx.nip - pc_start, flags); fprintf(logfile, "\n"); } if (loglevel & CPU_LOG_TB_OP) { fprintf(logfile, "OP:\n"); dump_ops(gen_opc_buf, gen_opparam_buf); fprintf(logfile, "\n"); } #endif return 0; } int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) { return gen_intermediate_code_internal(env, tb, 0); } int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) { return gen_intermediate_code_internal(env, tb, 1); }