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New recompiler: Add a sanity check, fixes crash with RapidCAD, fixes #4487 .

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OBattler
2024-06-12 01:58:44 +02:00
parent 2456c08ffd
commit 969830ad83
1 changed files with 2 additions and 1 deletions
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3
src/cpu/386_dynarec.c
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@@ -414,7 +414,8 @@ exec386_dynarec_dyn(void)
int byte_offset = (phys_addr >> PAGE_BYTE_MASK_SHIFT) & PAGE_BYTE_MASK_OFFSET_MASK;
uint64_t byte_mask = 1ULL << (PAGE_BYTE_MASK_MASK & 0x3f);
if ((page->code_present_mask & mask) || (page->byte_code_present_mask[byte_offset] & byte_mask))
if ((page->code_present_mask & mask) ||
((page->mem != page_ff) && (page->byte_code_present_mask[byte_offset] & byte_mask)))
# else
if (page->code_present_mask[(phys_addr >> PAGE_MASK_INDEX_SHIFT) & PAGE_MASK_INDEX_MASK] & mask)
# endif