Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added segment limit checking to some instructions.

Browse source
This commit is contained in:
SarahW 2019-02-03 17:48:11 +00:00
commit 095cf53265
11 changed files with 272 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/codegen_ops_mmx_loadstore.c
View file

@ -51,6 +51,7 @@ uint32_t ropMOVD_d_r(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t
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);
CHECK_SEG_LIMITS(block, ir, target_seg, IREG_eaaddr, 3);
uop_MOVZX(ir, IREG_temp0, IREG_MM(src_reg));
uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_temp0);
}
@ -99,6 +100,7 @@ uint32_t ropMOVQ_q_r(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t
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);
CHECK_SEG_LIMITS(block, ir, target_seg, IREG_eaaddr, 7);
uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_MM(src_reg));
}