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warn on invalid memory read or write from a dynamic region

This commit is contained in:
Anthony Pesch 2016-01-31 03:19:12 -08:00
parent 518034455c
commit 35c55a653c
1 changed files with 10 additions and 0 deletions
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10
src/hw/memory.cc
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@ -547,6 +547,11 @@ inline INT Memory::ReadBytes(uint32_t addr) {
} }
MemoryRegion &region = regions_[RegionIndex(page)]; MemoryRegion &region = regions_[RegionIndex(page)];
if (!(region.*HANDLER)) {
LOG_WARNING("Unmapped read at 0x%08x", addr);
return 0;
}
uint32_t region_offset = RegionOffset(page); uint32_t region_offset = RegionOffset(page);
return (region.*HANDLER)(region.ctx, region_offset + page_offset); return (region.*HANDLER)(region.ctx, region_offset + page_offset);
} }
@ -563,6 +568,11 @@ inline void Memory::WriteBytes(uint32_t addr, INT value) {
} }
MemoryRegion &region = regions_[RegionIndex(page)]; MemoryRegion &region = regions_[RegionIndex(page)];
if (!(region.*HANDLER)) {
LOG_WARNING("Unmapped write at 0x%08x", addr);
return;
}
uint32_t region_offset = RegionOffset(page); uint32_t region_offset = RegionOffset(page);
(region.*HANDLER)(region.ctx, region_offset + page_offset, value); (region.*HANDLER)(region.ctx, region_offset + page_offset, value);
} }