core: arm: Implement InvalidateCacheRange for CPU cache invalidation.

This commit is contained in:
bunnei
2020-11-13 23:20:32 -08:00
parent c0870315fd
commit 63fd1bb503
12 changed files with 56 additions and 16 deletions

View File

@@ -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