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Added segment limit checking to some instructions.

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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
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5
src/codegen_ops_mov.c
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@ -5,6 +5,7 @@
#include "codegen.h"
#include "codegen_ir.h"
#include "codegen_ops.h"
#include "codegen_ops_helpers.h"
#include "codegen_ops_mov.h"
uint32_t ropMOV_rb_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
@ -50,6 +51,7 @@ uint32_t ropMOV_b_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, 0);
uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_8(src_reg));
}
@ -71,6 +73,7 @@ uint32_t ropMOV_w_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, 1);
uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_16(src_reg));
}
@ -92,6 +95,7 @@ uint32_t ropMOV_l_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_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, IREG_32(src_reg));
}
@ -363,6 +367,7 @@ uint32_t ropMOV_w_seg(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_
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, 1);
uop_MEM_STORE_REG(ir, ireg_seg_base(target_seg), IREG_eaaddr, src_reg);
}