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core: arm: Implement InvalidateCacheRange for CPU cache invalidation.

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bunnei 2020-11-13 23:20:32 -08:00
parent 5114c6f3ac
commit a5b73195c9
12 changed files with 56 additions and 16 deletions
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5
src/core/hle/kernel/memory/page_table.cpp
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@ -670,6 +670,11 @@ ResultCode PageTable::SetCodeMemoryPermission(VAddr addr, std::size_t size, Memo
return RESULT_SUCCESS;
}
if ((prev_perm & MemoryPermission::Execute) != (perm & MemoryPermission::Execute)) {
// Memory execution state is changing, invalidate CPU cache range
system.InvalidateCpuInstructionCacheRange(addr, size);
}
const std::size_t num_pages{size / PageSize};
const OperationType operation{(perm & MemoryPermission::Execute) != MemoryPermission::None
? OperationType::ChangePermissionsAndRefresh