#include #include <86box/86box.h> #include "cpu.h" #include <86box/mem.h> #include "x86.h" #include "x86_flags.h" #include "386_common.h" #include "codegen.h" #include "codegen_ir.h" #include "codegen_ops.h" #include "codegen_ops_helpers.h" #include "codegen_ops_logic.h" uint32_t ropAND_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint8_t imm_data = fastreadb(cs + op_pc); uop_AND_IMM(ir, IREG_AL, IREG_AL, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); uop_MOVZX(ir, IREG_flags_res, IREG_AL); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 1); return op_pc + 1; } uint32_t ropAND_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint16_t imm_data = fastreadw(cs + op_pc); uop_AND_IMM(ir, IREG_AX, IREG_AX, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); uop_MOVZX(ir, IREG_flags_res, IREG_AX); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 2); return op_pc + 2; } uint32_t ropAND_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { if (block->flags & CODEBLOCK_NO_IMMEDIATES) { LOAD_IMMEDIATE_FROM_RAM_32(block, ir, IREG_temp0, cs + op_pc); uop_AND(ir, IREG_EAX, IREG_EAX, IREG_temp0); } else { fetchdat = fastreadl(cs + op_pc); codegen_mark_code_present(block, cs+op_pc, 4); uop_AND_IMM(ir, IREG_EAX, IREG_EAX, fetchdat); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); uop_MOV(ir, IREG_flags_res, IREG_EAX); codegen_flags_changed = 1; return op_pc + 4; } uint32_t ropAND_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_AND(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_temp0_B); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropAND_b_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_AND(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg)); uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_temp0_B, IREG_temp0_B, IREG_8(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0_B); uop_MOVZX(ir, IREG_flags_res, IREG_temp0_B); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropAND_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_AND(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_temp0_W); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropAND_w_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_AND(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg)); uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_temp0_W, IREG_temp0_W, IREG_16(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0_W); uop_MOVZX(ir, IREG_flags_res, IREG_temp0_W); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropAND_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_AND(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_32(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); uop_MOV(ir, IREG_flags_res, IREG_32(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropAND_l_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_AND(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_32(src_reg)); uop_MOV(ir, IREG_flags_res, IREG_32(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_temp0, IREG_temp0, IREG_32(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0); uop_MOV(ir, IREG_flags_res, IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropOR_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint8_t imm_data = fastreadb(cs + op_pc); uop_OR_IMM(ir, IREG_AL, IREG_AL, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); uop_MOVZX(ir, IREG_flags_res, IREG_AL); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 1); return op_pc + 1; } uint32_t ropOR_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint16_t imm_data = fastreadw(cs + op_pc); uop_OR_IMM(ir, IREG_AX, IREG_AX, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); uop_MOVZX(ir, IREG_flags_res, IREG_AX); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 2); return op_pc + 2; } uint32_t ropOR_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { if (block->flags & CODEBLOCK_NO_IMMEDIATES) { LOAD_IMMEDIATE_FROM_RAM_32(block, ir, IREG_temp0, cs + op_pc); uop_OR(ir, IREG_EAX, IREG_EAX, IREG_temp0); } else { fetchdat = fastreadl(cs + op_pc); codegen_mark_code_present(block, cs+op_pc, 4); uop_OR_IMM(ir, IREG_EAX, IREG_EAX, fetchdat); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); uop_MOV(ir, IREG_flags_res, IREG_EAX); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 4); return op_pc + 4; } uint32_t ropOR_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_OR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_OR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_temp0_B); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropOR_b_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_OR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg)); uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_OR(ir, IREG_temp0_B, IREG_temp0_B, IREG_8(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0_B); uop_MOVZX(ir, IREG_flags_res, IREG_temp0_B); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropOR_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_OR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_OR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_temp0_W); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropOR_w_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_OR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg)); uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_OR(ir, IREG_temp0_W, IREG_temp0_W, IREG_16(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0_W); uop_MOVZX(ir, IREG_flags_res, IREG_temp0_W); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropOR_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_OR(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_32(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_OR(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); uop_MOV(ir, IREG_flags_res, dest_reg); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropOR_l_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_OR(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_32(src_reg)); uop_MOV(ir, IREG_flags_res, IREG_32(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_OR(ir, IREG_temp0, IREG_temp0, IREG_32(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0); uop_MOV(ir, IREG_flags_res, IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropTEST_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint8_t imm_data = fastreadb(cs + op_pc); uop_AND_IMM(ir, IREG_flags_res, IREG_EAX, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 1); return op_pc + 1; } uint32_t ropTEST_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint16_t imm_data = fastreadw(cs + op_pc); uop_AND_IMM(ir, IREG_flags_res, IREG_EAX, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 2); return op_pc + 2; } uint32_t ropTEST_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { if (block->flags & CODEBLOCK_NO_IMMEDIATES) { LOAD_IMMEDIATE_FROM_RAM_32(block, ir, IREG_temp0, cs + op_pc); uop_AND(ir, IREG_flags_res, IREG_EAX, IREG_temp0); } else { fetchdat = fastreadl(cs + op_pc); codegen_mark_code_present(block, cs+op_pc, 4); uop_AND_IMM(ir, IREG_flags_res, IREG_EAX, fetchdat); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 4); return op_pc + 4; } uint32_t ropTEST_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_AND(ir, IREG_flags_res_B, IREG_8(dest_reg), IREG_8(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_flags_res_B, IREG_8(dest_reg), IREG_temp0_B); } uop_MOVZX(ir, IREG_flags_res, IREG_flags_res_B); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropTEST_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_AND(ir, IREG_flags_res_W, IREG_16(dest_reg), IREG_16(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_flags_res_W, IREG_16(dest_reg), IREG_temp0_W); } uop_MOVZX(ir, IREG_flags_res, IREG_flags_res_W); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropTEST_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_AND(ir, IREG_flags_res, IREG_32(dest_reg), IREG_32(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_AND(ir, IREG_flags_res, IREG_32(dest_reg), IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropXOR_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint8_t imm_data = fastreadb(cs + op_pc); uop_XOR_IMM(ir, IREG_AL, IREG_AL, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); uop_MOVZX(ir, IREG_flags_res, IREG_AL); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 1); return op_pc + 1; } uint32_t ropXOR_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { uint16_t imm_data = fastreadw(cs + op_pc); uop_XOR_IMM(ir, IREG_AX, IREG_AX, imm_data); uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); uop_MOVZX(ir, IREG_flags_res, IREG_AX); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 2); return op_pc + 2; } uint32_t ropXOR_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { if (block->flags & CODEBLOCK_NO_IMMEDIATES) { LOAD_IMMEDIATE_FROM_RAM_32(block, ir, IREG_temp0, cs + op_pc); uop_XOR(ir, IREG_EAX, IREG_EAX, IREG_temp0); } else { fetchdat = fastreadl(cs + op_pc); codegen_mark_code_present(block, cs+op_pc, 4); uop_XOR_IMM(ir, IREG_EAX, IREG_EAX, fetchdat); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); uop_MOV(ir, IREG_flags_res, IREG_EAX); codegen_flags_changed = 1; codegen_mark_code_present(block, cs+op_pc, 4); return op_pc + 4; } uint32_t ropXOR_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_XOR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_XOR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_temp0_B); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropXOR_b_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_XOR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg)); uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_B, ireg_seg_base(target_seg), IREG_eaaddr); uop_XOR(ir, IREG_temp0_B, IREG_temp0_B, IREG_8(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0_B); uop_MOVZX(ir, IREG_flags_res, IREG_temp0_B); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropXOR_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_XOR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_XOR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_temp0_W); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg)); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropXOR_w_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_XOR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg)); uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0_W, ireg_seg_base(target_seg), IREG_eaaddr); uop_XOR(ir, IREG_temp0_W, IREG_temp0_W, IREG_16(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0_W); uop_MOVZX(ir, IREG_flags_res, IREG_temp0_W); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropXOR_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int dest_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int src_reg = fetchdat & 7; uop_XOR(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_32(src_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_read(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_XOR(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); uop_MOV(ir, IREG_flags_res, dest_reg); codegen_flags_changed = 1; return op_pc + 1; } uint32_t ropXOR_l_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc) { int src_reg = (fetchdat >> 3) & 7; codegen_mark_code_present(block, cs+op_pc, 1); if ((fetchdat & 0xc0) == 0xc0) { int dest_reg = fetchdat & 7; uop_XOR(ir, IREG_32(dest_reg), IREG_32(dest_reg), IREG_32(src_reg)); uop_MOV(ir, IREG_flags_res, IREG_32(dest_reg)); } else { x86seg *target_seg; uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc); target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0); codegen_check_seg_write(block, ir, target_seg); uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr); uop_XOR(ir, IREG_temp0, IREG_temp0, IREG_32(src_reg)); uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0); uop_MOV(ir, IREG_flags_res, IREG_temp0); } uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN32); codegen_flags_changed = 1; return op_pc + 1; }