/* * Tiny Code Interpreter for QEMU * * Copyright (c) 2009, 2011 Stefan Weil * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "config.h" /* Defining NDEBUG disables assertions (which makes the code faster). */ #if !defined(CONFIG_DEBUG_TCG) && !defined(NDEBUG) # define NDEBUG #endif #include "qemu-common.h" #include "exec/exec-all.h" /* MAX_OPC_PARAM_IARGS */ #include "tcg-op.h" /* Marker for missing code. */ #define TODO() \ do { \ fprintf(stderr, "TODO %s:%u: %s()\n", \ __FILE__, __LINE__, __func__); \ tcg_abort(); \ } while (0) #if MAX_OPC_PARAM_IARGS != 5 # error Fix needed, number of supported input arguments changed! #endif #if TCG_TARGET_REG_BITS == 32 typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong); #else typedef uint64_t (*helper_function)(tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong, tcg_target_ulong); #endif /* Targets which don't use GETPC also don't need tci_tb_ptr which makes them a little faster. */ #if defined(GETPC) uintptr_t tci_tb_ptr; #endif static tcg_target_ulong tci_reg[TCG_TARGET_NB_REGS]; static tcg_target_ulong tci_read_reg(TCGReg index) { assert(index < ARRAY_SIZE(tci_reg)); return tci_reg[index]; } #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64 static int8_t tci_read_reg8s(TCGReg index) { return (int8_t)tci_read_reg(index); } #endif #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 static int16_t tci_read_reg16s(TCGReg index) { return (int16_t)tci_read_reg(index); } #endif #if TCG_TARGET_REG_BITS == 64 static int32_t tci_read_reg32s(TCGReg index) { return (int32_t)tci_read_reg(index); } #endif static uint8_t tci_read_reg8(TCGReg index) { return (uint8_t)tci_read_reg(index); } static uint16_t tci_read_reg16(TCGReg index) { return (uint16_t)tci_read_reg(index); } static uint32_t tci_read_reg32(TCGReg index) { return (uint32_t)tci_read_reg(index); } #if TCG_TARGET_REG_BITS == 64 static uint64_t tci_read_reg64(TCGReg index) { return tci_read_reg(index); } #endif static void tci_write_reg(TCGReg index, tcg_target_ulong value) { assert(index < ARRAY_SIZE(tci_reg)); assert(index != TCG_AREG0); assert(index != TCG_REG_CALL_STACK); tci_reg[index] = value; } static void tci_write_reg8s(TCGReg index, int8_t value) { tci_write_reg(index, value); } static void tci_write_reg16s(TCGReg index, int16_t value) { tci_write_reg(index, value); } #if TCG_TARGET_REG_BITS == 64 static void tci_write_reg32s(TCGReg index, int32_t value) { tci_write_reg(index, value); } #endif static void tci_write_reg8(TCGReg index, uint8_t value) { tci_write_reg(index, value); } static void tci_write_reg16(TCGReg index, uint16_t value) { tci_write_reg(index, value); } static void tci_write_reg32(TCGReg index, uint32_t value) { tci_write_reg(index, value); } #if TCG_TARGET_REG_BITS == 32 static void tci_write_reg64(uint32_t high_index, uint32_t low_index, uint64_t value) { tci_write_reg(low_index, value); tci_write_reg(high_index, value >> 32); } #elif TCG_TARGET_REG_BITS == 64 static void tci_write_reg64(TCGReg index, uint64_t value) { tci_write_reg(index, value); } #endif #if TCG_TARGET_REG_BITS == 32 /* Create a 64 bit value from two 32 bit values. */ static uint64_t tci_uint64(uint32_t high, uint32_t low) { return ((uint64_t)high << 32) + low; } #endif /* Read constant (native size) from bytecode. */ static tcg_target_ulong tci_read_i(uint8_t **tb_ptr) { tcg_target_ulong value = *(tcg_target_ulong *)(*tb_ptr); *tb_ptr += sizeof(value); return value; } /* Read unsigned constant (32 bit) from bytecode. */ static uint32_t tci_read_i32(uint8_t **tb_ptr) { uint32_t value = *(uint32_t *)(*tb_ptr); *tb_ptr += sizeof(value); return value; } /* Read signed constant (32 bit) from bytecode. */ static int32_t tci_read_s32(uint8_t **tb_ptr) { int32_t value = *(int32_t *)(*tb_ptr); *tb_ptr += sizeof(value); return value; } #if TCG_TARGET_REG_BITS == 64 /* Read constant (64 bit) from bytecode. */ static uint64_t tci_read_i64(uint8_t **tb_ptr) { uint64_t value = *(uint64_t *)(*tb_ptr); *tb_ptr += sizeof(value); return value; } #endif /* Read indexed register (native size) from bytecode. */ static tcg_target_ulong tci_read_r(uint8_t **tb_ptr) { tcg_target_ulong value = tci_read_reg(**tb_ptr); *tb_ptr += 1; return value; } /* Read indexed register (8 bit) from bytecode. */ static uint8_t tci_read_r8(uint8_t **tb_ptr) { uint8_t value = tci_read_reg8(**tb_ptr); *tb_ptr += 1; return value; } #if TCG_TARGET_HAS_ext8s_i32 || TCG_TARGET_HAS_ext8s_i64 /* Read indexed register (8 bit signed) from bytecode. */ static int8_t tci_read_r8s(uint8_t **tb_ptr) { int8_t value = tci_read_reg8s(**tb_ptr); *tb_ptr += 1; return value; } #endif /* Read indexed register (16 bit) from bytecode. */ static uint16_t tci_read_r16(uint8_t **tb_ptr) { uint16_t value = tci_read_reg16(**tb_ptr); *tb_ptr += 1; return value; } #if TCG_TARGET_HAS_ext16s_i32 || TCG_TARGET_HAS_ext16s_i64 /* Read indexed register (16 bit signed) from bytecode. */ static int16_t tci_read_r16s(uint8_t **tb_ptr) { int16_t value = tci_read_reg16s(**tb_ptr); *tb_ptr += 1; return value; } #endif /* Read indexed register (32 bit) from bytecode. */ static uint32_t tci_read_r32(uint8_t **tb_ptr) { uint32_t value = tci_read_reg32(**tb_ptr); *tb_ptr += 1; return value; } #if TCG_TARGET_REG_BITS == 32 /* Read two indexed registers (2 * 32 bit) from bytecode. */ static uint64_t tci_read_r64(uint8_t **tb_ptr) { uint32_t low = tci_read_r32(tb_ptr); return tci_uint64(tci_read_r32(tb_ptr), low); } #elif TCG_TARGET_REG_BITS == 64 /* Read indexed register (32 bit signed) from bytecode. */ static int32_t tci_read_r32s(uint8_t **tb_ptr) { int32_t value = tci_read_reg32s(**tb_ptr); *tb_ptr += 1; return value; } /* Read indexed register (64 bit) from bytecode. */ static uint64_t tci_read_r64(uint8_t **tb_ptr) { uint64_t value = tci_read_reg64(**tb_ptr); *tb_ptr += 1; return value; } #endif /* Read indexed register(s) with target address from bytecode. */ static target_ulong tci_read_ulong(uint8_t **tb_ptr) { target_ulong taddr = tci_read_r(tb_ptr); #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS taddr += (uint64_t)tci_read_r(tb_ptr) << 32; #endif return taddr; } /* Read indexed register or constant (native size) from bytecode. */ static tcg_target_ulong tci_read_ri(uint8_t **tb_ptr) { tcg_target_ulong value; TCGReg r = **tb_ptr; *tb_ptr += 1; if (r == TCG_CONST) { value = tci_read_i(tb_ptr); } else { value = tci_read_reg(r); } return value; } /* Read indexed register or constant (32 bit) from bytecode. */ static uint32_t tci_read_ri32(uint8_t **tb_ptr) { uint32_t value; TCGReg r = **tb_ptr; *tb_ptr += 1; if (r == TCG_CONST) { value = tci_read_i32(tb_ptr); } else { value = tci_read_reg32(r); } return value; } #if TCG_TARGET_REG_BITS == 32 /* Read two indexed registers or constants (2 * 32 bit) from bytecode. */ static uint64_t tci_read_ri64(uint8_t **tb_ptr) { uint32_t low = tci_read_ri32(tb_ptr); return tci_uint64(tci_read_ri32(tb_ptr), low); } #elif TCG_TARGET_REG_BITS == 64 /* Read indexed register or constant (64 bit) from bytecode. */ static uint64_t tci_read_ri64(uint8_t **tb_ptr) { uint64_t value; TCGReg r = **tb_ptr; *tb_ptr += 1; if (r == TCG_CONST) { value = tci_read_i64(tb_ptr); } else { value = tci_read_reg64(r); } return value; } #endif static tcg_target_ulong tci_read_label(uint8_t **tb_ptr) { tcg_target_ulong label = tci_read_i(tb_ptr); assert(label != 0); return label; } static bool tci_compare32(uint32_t u0, uint32_t u1, TCGCond condition) { bool result = false; int32_t i0 = u0; int32_t i1 = u1; switch (condition) { case TCG_COND_EQ: result = (u0 == u1); break; case TCG_COND_NE: result = (u0 != u1); break; case TCG_COND_LT: result = (i0 < i1); break; case TCG_COND_GE: result = (i0 >= i1); break; case TCG_COND_LE: result = (i0 <= i1); break; case TCG_COND_GT: result = (i0 > i1); break; case TCG_COND_LTU: result = (u0 < u1); break; case TCG_COND_GEU: result = (u0 >= u1); break; case TCG_COND_LEU: result = (u0 <= u1); break; case TCG_COND_GTU: result = (u0 > u1); break; default: TODO(); } return result; } static bool tci_compare64(uint64_t u0, uint64_t u1, TCGCond condition) { bool result = false; int64_t i0 = u0; int64_t i1 = u1; switch (condition) { case TCG_COND_EQ: result = (u0 == u1); break; case TCG_COND_NE: result = (u0 != u1); break; case TCG_COND_LT: result = (i0 < i1); break; case TCG_COND_GE: result = (i0 >= i1); break; case TCG_COND_LE: result = (i0 <= i1); break; case TCG_COND_GT: result = (i0 > i1); break; case TCG_COND_LTU: result = (u0 < u1); break; case TCG_COND_GEU: result = (u0 >= u1); break; case TCG_COND_LEU: result = (u0 <= u1); break; case TCG_COND_GTU: result = (u0 > u1); break; default: TODO(); } return result; } /* Interpret pseudo code in tb. */ uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr) { long tcg_temps[CPU_TEMP_BUF_NLONGS]; uintptr_t sp_value = (uintptr_t)(tcg_temps + CPU_TEMP_BUF_NLONGS); uintptr_t next_tb = 0; tci_reg[TCG_AREG0] = (tcg_target_ulong)env; tci_reg[TCG_REG_CALL_STACK] = sp_value; assert(tb_ptr); for (;;) { TCGOpcode opc = tb_ptr[0]; #if !defined(NDEBUG) uint8_t op_size = tb_ptr[1]; uint8_t *old_code_ptr = tb_ptr; #endif tcg_target_ulong t0; tcg_target_ulong t1; tcg_target_ulong t2; tcg_target_ulong label; TCGCond condition; target_ulong taddr; #ifndef CONFIG_SOFTMMU tcg_target_ulong host_addr; #endif uint8_t tmp8; uint16_t tmp16; uint32_t tmp32; uint64_t tmp64; #if TCG_TARGET_REG_BITS == 32 uint64_t v64; #endif #if defined(GETPC) tci_tb_ptr = (uintptr_t)tb_ptr; #endif /* Skip opcode and size entry. */ tb_ptr += 2; switch (opc) { case INDEX_op_end: case INDEX_op_nop: break; case INDEX_op_nop1: case INDEX_op_nop2: case INDEX_op_nop3: case INDEX_op_nopn: case INDEX_op_discard: TODO(); break; case INDEX_op_set_label: TODO(); break; case INDEX_op_call: t0 = tci_read_ri(&tb_ptr); #if TCG_TARGET_REG_BITS == 32 tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0), tci_read_reg(TCG_REG_R1), tci_read_reg(TCG_REG_R2), tci_read_reg(TCG_REG_R3), tci_read_reg(TCG_REG_R5), tci_read_reg(TCG_REG_R6), tci_read_reg(TCG_REG_R7), tci_read_reg(TCG_REG_R8), tci_read_reg(TCG_REG_R9), tci_read_reg(TCG_REG_R10)); tci_write_reg(TCG_REG_R0, tmp64); tci_write_reg(TCG_REG_R1, tmp64 >> 32); #else tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0), tci_read_reg(TCG_REG_R1), tci_read_reg(TCG_REG_R2), tci_read_reg(TCG_REG_R3), tci_read_reg(TCG_REG_R5)); tci_write_reg(TCG_REG_R0, tmp64); #endif break; case INDEX_op_br: label = tci_read_label(&tb_ptr); assert(tb_ptr == old_code_ptr + op_size); tb_ptr = (uint8_t *)label; continue; case INDEX_op_setcond_i32: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); condition = *tb_ptr++; tci_write_reg32(t0, tci_compare32(t1, t2, condition)); break; #if TCG_TARGET_REG_BITS == 32 case INDEX_op_setcond2_i32: t0 = *tb_ptr++; tmp64 = tci_read_r64(&tb_ptr); v64 = tci_read_ri64(&tb_ptr); condition = *tb_ptr++; tci_write_reg32(t0, tci_compare64(tmp64, v64, condition)); break; #elif TCG_TARGET_REG_BITS == 64 case INDEX_op_setcond_i64: t0 = *tb_ptr++; t1 = tci_read_r64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); condition = *tb_ptr++; tci_write_reg64(t0, tci_compare64(t1, t2, condition)); break; #endif case INDEX_op_mov_i32: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); tci_write_reg32(t0, t1); break; case INDEX_op_movi_i32: t0 = *tb_ptr++; t1 = tci_read_i32(&tb_ptr); tci_write_reg32(t0, t1); break; /* Load/store operations (32 bit). */ case INDEX_op_ld8u_i32: t0 = *tb_ptr++; t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); tci_write_reg8(t0, *(uint8_t *)(t1 + t2)); break; case INDEX_op_ld8s_i32: case INDEX_op_ld16u_i32: TODO(); break; case INDEX_op_ld16s_i32: TODO(); break; case INDEX_op_ld_i32: t0 = *tb_ptr++; t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); tci_write_reg32(t0, *(uint32_t *)(t1 + t2)); break; case INDEX_op_st8_i32: t0 = tci_read_r8(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); *(uint8_t *)(t1 + t2) = t0; break; case INDEX_op_st16_i32: t0 = tci_read_r16(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); *(uint16_t *)(t1 + t2) = t0; break; case INDEX_op_st_i32: t0 = tci_read_r32(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); assert(t1 != sp_value || (int32_t)t2 < 0); *(uint32_t *)(t1 + t2) = t0; break; /* Arithmetic operations (32 bit). */ case INDEX_op_add_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 + t2); break; case INDEX_op_sub_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 - t2); break; case INDEX_op_mul_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 * t2); break; #if TCG_TARGET_HAS_div_i32 case INDEX_op_div_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, (int32_t)t1 / (int32_t)t2); break; case INDEX_op_divu_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 / t2); break; case INDEX_op_rem_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, (int32_t)t1 % (int32_t)t2); break; case INDEX_op_remu_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 % t2); break; #elif TCG_TARGET_HAS_div2_i32 case INDEX_op_div2_i32: case INDEX_op_divu2_i32: TODO(); break; #endif case INDEX_op_and_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 & t2); break; case INDEX_op_or_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 | t2); break; case INDEX_op_xor_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 ^ t2); break; /* Shift/rotate operations (32 bit). */ case INDEX_op_shl_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 << t2); break; case INDEX_op_shr_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, t1 >> t2); break; case INDEX_op_sar_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, ((int32_t)t1 >> t2)); break; #if TCG_TARGET_HAS_rot_i32 case INDEX_op_rotl_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, rol32(t1, t2)); break; case INDEX_op_rotr_i32: t0 = *tb_ptr++; t1 = tci_read_ri32(&tb_ptr); t2 = tci_read_ri32(&tb_ptr); tci_write_reg32(t0, ror32(t1, t2)); break; #endif #if TCG_TARGET_HAS_deposit_i32 case INDEX_op_deposit_i32: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); t2 = tci_read_r32(&tb_ptr); tmp16 = *tb_ptr++; tmp8 = *tb_ptr++; tmp32 = (((1 << tmp8) - 1) << tmp16); tci_write_reg32(t0, (t1 & ~tmp32) | ((t2 << tmp16) & tmp32)); break; #endif case INDEX_op_brcond_i32: t0 = tci_read_r32(&tb_ptr); t1 = tci_read_ri32(&tb_ptr); condition = *tb_ptr++; label = tci_read_label(&tb_ptr); if (tci_compare32(t0, t1, condition)) { assert(tb_ptr == old_code_ptr + op_size); tb_ptr = (uint8_t *)label; continue; } break; #if TCG_TARGET_REG_BITS == 32 case INDEX_op_add2_i32: t0 = *tb_ptr++; t1 = *tb_ptr++; tmp64 = tci_read_r64(&tb_ptr); tmp64 += tci_read_r64(&tb_ptr); tci_write_reg64(t1, t0, tmp64); break; case INDEX_op_sub2_i32: t0 = *tb_ptr++; t1 = *tb_ptr++; tmp64 = tci_read_r64(&tb_ptr); tmp64 -= tci_read_r64(&tb_ptr); tci_write_reg64(t1, t0, tmp64); break; case INDEX_op_brcond2_i32: tmp64 = tci_read_r64(&tb_ptr); v64 = tci_read_ri64(&tb_ptr); condition = *tb_ptr++; label = tci_read_label(&tb_ptr); if (tci_compare64(tmp64, v64, condition)) { assert(tb_ptr == old_code_ptr + op_size); tb_ptr = (uint8_t *)label; continue; } break; case INDEX_op_mulu2_i32: t0 = *tb_ptr++; t1 = *tb_ptr++; t2 = tci_read_r32(&tb_ptr); tmp64 = tci_read_r32(&tb_ptr); tci_write_reg64(t1, t0, t2 * tmp64); break; #endif /* TCG_TARGET_REG_BITS == 32 */ #if TCG_TARGET_HAS_ext8s_i32 case INDEX_op_ext8s_i32: t0 = *tb_ptr++; t1 = tci_read_r8s(&tb_ptr); tci_write_reg32(t0, t1); break; #endif #if TCG_TARGET_HAS_ext16s_i32 case INDEX_op_ext16s_i32: t0 = *tb_ptr++; t1 = tci_read_r16s(&tb_ptr); tci_write_reg32(t0, t1); break; #endif #if TCG_TARGET_HAS_ext8u_i32 case INDEX_op_ext8u_i32: t0 = *tb_ptr++; t1 = tci_read_r8(&tb_ptr); tci_write_reg32(t0, t1); break; #endif #if TCG_TARGET_HAS_ext16u_i32 case INDEX_op_ext16u_i32: t0 = *tb_ptr++; t1 = tci_read_r16(&tb_ptr); tci_write_reg32(t0, t1); break; #endif #if TCG_TARGET_HAS_bswap16_i32 case INDEX_op_bswap16_i32: t0 = *tb_ptr++; t1 = tci_read_r16(&tb_ptr); tci_write_reg32(t0, bswap16(t1)); break; #endif #if TCG_TARGET_HAS_bswap32_i32 case INDEX_op_bswap32_i32: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); tci_write_reg32(t0, bswap32(t1)); break; #endif #if TCG_TARGET_HAS_not_i32 case INDEX_op_not_i32: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); tci_write_reg32(t0, ~t1); break; #endif #if TCG_TARGET_HAS_neg_i32 case INDEX_op_neg_i32: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); tci_write_reg32(t0, -t1); break; #endif #if TCG_TARGET_REG_BITS == 64 case INDEX_op_mov_i64: t0 = *tb_ptr++; t1 = tci_read_r64(&tb_ptr); tci_write_reg64(t0, t1); break; case INDEX_op_movi_i64: t0 = *tb_ptr++; t1 = tci_read_i64(&tb_ptr); tci_write_reg64(t0, t1); break; /* Load/store operations (64 bit). */ case INDEX_op_ld8u_i64: t0 = *tb_ptr++; t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); tci_write_reg8(t0, *(uint8_t *)(t1 + t2)); break; case INDEX_op_ld8s_i64: case INDEX_op_ld16u_i64: case INDEX_op_ld16s_i64: TODO(); break; case INDEX_op_ld32u_i64: t0 = *tb_ptr++; t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); tci_write_reg32(t0, *(uint32_t *)(t1 + t2)); break; case INDEX_op_ld32s_i64: t0 = *tb_ptr++; t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); tci_write_reg32s(t0, *(int32_t *)(t1 + t2)); break; case INDEX_op_ld_i64: t0 = *tb_ptr++; t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); tci_write_reg64(t0, *(uint64_t *)(t1 + t2)); break; case INDEX_op_st8_i64: t0 = tci_read_r8(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); *(uint8_t *)(t1 + t2) = t0; break; case INDEX_op_st16_i64: t0 = tci_read_r16(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); *(uint16_t *)(t1 + t2) = t0; break; case INDEX_op_st32_i64: t0 = tci_read_r32(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); *(uint32_t *)(t1 + t2) = t0; break; case INDEX_op_st_i64: t0 = tci_read_r64(&tb_ptr); t1 = tci_read_r(&tb_ptr); t2 = tci_read_s32(&tb_ptr); assert(t1 != sp_value || (int32_t)t2 < 0); *(uint64_t *)(t1 + t2) = t0; break; /* Arithmetic operations (64 bit). */ case INDEX_op_add_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 + t2); break; case INDEX_op_sub_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 - t2); break; case INDEX_op_mul_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 * t2); break; #if TCG_TARGET_HAS_div_i64 case INDEX_op_div_i64: case INDEX_op_divu_i64: case INDEX_op_rem_i64: case INDEX_op_remu_i64: TODO(); break; #elif TCG_TARGET_HAS_div2_i64 case INDEX_op_div2_i64: case INDEX_op_divu2_i64: TODO(); break; #endif case INDEX_op_and_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 & t2); break; case INDEX_op_or_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 | t2); break; case INDEX_op_xor_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 ^ t2); break; /* Shift/rotate operations (64 bit). */ case INDEX_op_shl_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 << t2); break; case INDEX_op_shr_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, t1 >> t2); break; case INDEX_op_sar_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, ((int64_t)t1 >> t2)); break; #if TCG_TARGET_HAS_rot_i64 case INDEX_op_rotl_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, rol64(t1, t2)); break; case INDEX_op_rotr_i64: t0 = *tb_ptr++; t1 = tci_read_ri64(&tb_ptr); t2 = tci_read_ri64(&tb_ptr); tci_write_reg64(t0, ror64(t1, t2)); break; #endif #if TCG_TARGET_HAS_deposit_i64 case INDEX_op_deposit_i64: t0 = *tb_ptr++; t1 = tci_read_r64(&tb_ptr); t2 = tci_read_r64(&tb_ptr); tmp16 = *tb_ptr++; tmp8 = *tb_ptr++; tmp64 = (((1ULL << tmp8) - 1) << tmp16); tci_write_reg64(t0, (t1 & ~tmp64) | ((t2 << tmp16) & tmp64)); break; #endif case INDEX_op_brcond_i64: t0 = tci_read_r64(&tb_ptr); t1 = tci_read_ri64(&tb_ptr); condition = *tb_ptr++; label = tci_read_label(&tb_ptr); if (tci_compare64(t0, t1, condition)) { assert(tb_ptr == old_code_ptr + op_size); tb_ptr = (uint8_t *)label; continue; } break; #if TCG_TARGET_HAS_ext8u_i64 case INDEX_op_ext8u_i64: t0 = *tb_ptr++; t1 = tci_read_r8(&tb_ptr); tci_write_reg64(t0, t1); break; #endif #if TCG_TARGET_HAS_ext8s_i64 case INDEX_op_ext8s_i64: t0 = *tb_ptr++; t1 = tci_read_r8s(&tb_ptr); tci_write_reg64(t0, t1); break; #endif #if TCG_TARGET_HAS_ext16s_i64 case INDEX_op_ext16s_i64: t0 = *tb_ptr++; t1 = tci_read_r16s(&tb_ptr); tci_write_reg64(t0, t1); break; #endif #if TCG_TARGET_HAS_ext16u_i64 case INDEX_op_ext16u_i64: t0 = *tb_ptr++; t1 = tci_read_r16(&tb_ptr); tci_write_reg64(t0, t1); break; #endif #if TCG_TARGET_HAS_ext32s_i64 case INDEX_op_ext32s_i64: t0 = *tb_ptr++; t1 = tci_read_r32s(&tb_ptr); tci_write_reg64(t0, t1); break; #endif #if TCG_TARGET_HAS_ext32u_i64 case INDEX_op_ext32u_i64: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); tci_write_reg64(t0, t1); break; #endif #if TCG_TARGET_HAS_bswap16_i64 case INDEX_op_bswap16_i64: TODO(); t0 = *tb_ptr++; t1 = tci_read_r16(&tb_ptr); tci_write_reg64(t0, bswap16(t1)); break; #endif #if TCG_TARGET_HAS_bswap32_i64 case INDEX_op_bswap32_i64: t0 = *tb_ptr++; t1 = tci_read_r32(&tb_ptr); tci_write_reg64(t0, bswap32(t1)); break; #endif #if TCG_TARGET_HAS_bswap64_i64 case INDEX_op_bswap64_i64: t0 = *tb_ptr++; t1 = tci_read_r64(&tb_ptr); tci_write_reg64(t0, bswap64(t1)); break; #endif #if TCG_TARGET_HAS_not_i64 case INDEX_op_not_i64: t0 = *tb_ptr++; t1 = tci_read_r64(&tb_ptr); tci_write_reg64(t0, ~t1); break; #endif #if TCG_TARGET_HAS_neg_i64 case INDEX_op_neg_i64: t0 = *tb_ptr++; t1 = tci_read_r64(&tb_ptr); tci_write_reg64(t0, -t1); break; #endif #endif /* TCG_TARGET_REG_BITS == 64 */ /* QEMU specific operations. */ #if TARGET_LONG_BITS > TCG_TARGET_REG_BITS case INDEX_op_debug_insn_start: TODO(); break; #else case INDEX_op_debug_insn_start: TODO(); break; #endif case INDEX_op_exit_tb: next_tb = *(uint64_t *)tb_ptr; goto exit; break; case INDEX_op_goto_tb: t0 = tci_read_i32(&tb_ptr); assert(tb_ptr == old_code_ptr + op_size); tb_ptr += (int32_t)t0; continue; case INDEX_op_qemu_ld8u: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp8 = *(uint8_t *)(host_addr + GUEST_BASE); #endif tci_write_reg8(t0, tmp8); break; case INDEX_op_qemu_ld8s: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp8 = *(uint8_t *)(host_addr + GUEST_BASE); #endif tci_write_reg8s(t0, tmp8); break; case INDEX_op_qemu_ld16u: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE)); #endif tci_write_reg16(t0, tmp16); break; case INDEX_op_qemu_ld16s: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE)); #endif tci_write_reg16s(t0, tmp16); break; #if TCG_TARGET_REG_BITS == 64 case INDEX_op_qemu_ld32u: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE)); #endif tci_write_reg32(t0, tmp32); break; case INDEX_op_qemu_ld32s: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE)); #endif tci_write_reg32s(t0, tmp32); break; #endif /* TCG_TARGET_REG_BITS == 64 */ case INDEX_op_qemu_ld32: t0 = *tb_ptr++; taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE)); #endif tci_write_reg32(t0, tmp32); break; case INDEX_op_qemu_ld64: t0 = *tb_ptr++; #if TCG_TARGET_REG_BITS == 32 t1 = *tb_ptr++; #endif taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU tmp64 = helper_ldq_mmu(env, taddr, tci_read_i(&tb_ptr)); #else host_addr = (tcg_target_ulong)taddr; tmp64 = tswap64(*(uint64_t *)(host_addr + GUEST_BASE)); #endif tci_write_reg(t0, tmp64); #if TCG_TARGET_REG_BITS == 32 tci_write_reg(t1, tmp64 >> 32); #endif break; case INDEX_op_qemu_st8: t0 = tci_read_r8(&tb_ptr); taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU t2 = tci_read_i(&tb_ptr); helper_stb_mmu(env, taddr, t0, t2); #else host_addr = (tcg_target_ulong)taddr; *(uint8_t *)(host_addr + GUEST_BASE) = t0; #endif break; case INDEX_op_qemu_st16: t0 = tci_read_r16(&tb_ptr); taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU t2 = tci_read_i(&tb_ptr); helper_stw_mmu(env, taddr, t0, t2); #else host_addr = (tcg_target_ulong)taddr; *(uint16_t *)(host_addr + GUEST_BASE) = tswap16(t0); #endif break; case INDEX_op_qemu_st32: t0 = tci_read_r32(&tb_ptr); taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU t2 = tci_read_i(&tb_ptr); helper_stl_mmu(env, taddr, t0, t2); #else host_addr = (tcg_target_ulong)taddr; *(uint32_t *)(host_addr + GUEST_BASE) = tswap32(t0); #endif break; case INDEX_op_qemu_st64: tmp64 = tci_read_r64(&tb_ptr); taddr = tci_read_ulong(&tb_ptr); #ifdef CONFIG_SOFTMMU t2 = tci_read_i(&tb_ptr); helper_stq_mmu(env, taddr, tmp64, t2); #else host_addr = (tcg_target_ulong)taddr; *(uint64_t *)(host_addr + GUEST_BASE) = tswap64(tmp64); #endif break; default: TODO(); break; } assert(tb_ptr == old_code_ptr + op_size); } exit: return next_tb; }