126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
#include <stdint.h>
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/mem.h>
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#include <86box/plat_unused.h>
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#include "x86.h"
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#include "x86_flags.h"
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#include "x86seg_common.h"
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#include "x86seg.h"
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#include "386_common.h"
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#include "codegen.h"
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#include "codegen_accumulate.h"
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#include "codegen_ir.h"
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#include "codegen_ops.h"
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#include "codegen_ops_mmx_loadstore.h"
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#include "codegen_ops_helpers.h"
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extern void codegen_print_mmx(const char* str, uint32_t fetchdat);
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uint32_t
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ropMOVD_r_d(codeblock_t *block, ir_data_t *ir, UNUSED(uint8_t opcode), uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
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{
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int dest_reg = (fetchdat >> 3) & 7;
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uop_MMX_ENTER(ir);
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codegen_mark_code_present(block, cs + op_pc, 1);
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if ((fetchdat & 0xc0) == 0xc0) {
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int src_reg = fetchdat & 7;
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uop_MOVZX(ir, IREG_MM(dest_reg), IREG_32(src_reg));
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} else {
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x86seg *target_seg;
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uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
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target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0);
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codegen_check_seg_read(block, ir, target_seg);
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uop_MEM_LOAD_REG(ir, IREG_temp0, ireg_seg_base(target_seg), IREG_eaaddr);
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uop_MOVZX(ir, IREG_MM(dest_reg), IREG_temp0);
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}
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uop_LOAD_FUNC_ARG_IMM(ir, 0, (uintptr_t)__func__);
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uop_LOAD_FUNC_ARG_IMM(ir, 1, fetchdat);
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uop_CALL_FUNC(ir, codegen_print_mmx);
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return op_pc + 1;
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}
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uint32_t
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ropMOVD_d_r(codeblock_t *block, ir_data_t *ir, UNUSED(uint8_t opcode), uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
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{
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int src_reg = (fetchdat >> 3) & 7;
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if (cpu_iscyrix && in_smm)
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return 0;
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uop_MMX_ENTER(ir);
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codegen_mark_code_present(block, cs + op_pc, 1);
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if ((fetchdat & 0xc0) == 0xc0) {
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int dest_reg = fetchdat & 7;
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uop_MOVZX(ir, IREG_32(dest_reg), IREG_MM(src_reg));
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} else {
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x86seg *target_seg;
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uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
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target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0);
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codegen_check_seg_write(block, ir, target_seg);
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CHECK_SEG_LIMITS(block, ir, target_seg, IREG_eaaddr, 3);
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uop_MOVZX(ir, IREG_temp0, IREG_MM(src_reg));
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uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0);
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}
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uop_LOAD_FUNC_ARG_IMM(ir, 0, (uintptr_t)__func__);
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uop_LOAD_FUNC_ARG_IMM(ir, 1, fetchdat);
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uop_CALL_FUNC(ir, codegen_print_mmx);
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return op_pc + 1;
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}
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uint32_t
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ropMOVQ_r_q(codeblock_t *block, ir_data_t *ir, UNUSED(uint8_t opcode), uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
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{
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int dest_reg = (fetchdat >> 3) & 7;
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uop_MMX_ENTER(ir);
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codegen_mark_code_present(block, cs + op_pc, 1);
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if ((fetchdat & 0xc0) == 0xc0) {
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int src_reg = fetchdat & 7;
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uop_MOV(ir, IREG_MM(dest_reg), IREG_MM(src_reg));
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} else {
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x86seg *target_seg;
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uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
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target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0);
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codegen_check_seg_read(block, ir, target_seg);
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uop_MEM_LOAD_REG(ir, IREG_MM(dest_reg), ireg_seg_base(target_seg), IREG_eaaddr);
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}
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uop_LOAD_FUNC_ARG_IMM(ir, 0, (uintptr_t)__func__);
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uop_LOAD_FUNC_ARG_IMM(ir, 1, fetchdat);
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uop_CALL_FUNC(ir, codegen_print_mmx);
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return op_pc + 1;
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}
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uint32_t
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ropMOVQ_q_r(codeblock_t *block, ir_data_t *ir, UNUSED(uint8_t opcode), uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
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{
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int src_reg = (fetchdat >> 3) & 7;
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uop_MMX_ENTER(ir);
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codegen_mark_code_present(block, cs + op_pc, 1);
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if ((fetchdat & 0xc0) == 0xc0) {
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int dest_reg = fetchdat & 7;
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uop_MOV(ir, IREG_MM(dest_reg), IREG_MM(src_reg));
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} else {
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x86seg *target_seg;
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uop_MOV_IMM(ir, IREG_oldpc, cpu_state.oldpc);
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target_seg = codegen_generate_ea(ir, op_ea_seg, fetchdat, op_ssegs, &op_pc, op_32, 0);
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codegen_check_seg_write(block, ir, target_seg);
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CHECK_SEG_LIMITS(block, ir, target_seg, IREG_eaaddr, 7);
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uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_MM(src_reg));
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}
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uop_LOAD_FUNC_ARG_IMM(ir, 0, (uintptr_t)__func__);
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uop_LOAD_FUNC_ARG_IMM(ir, 1, fetchdat);
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uop_CALL_FUNC(ir, codegen_print_mmx);
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return op_pc + 1;
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}
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