From 63fd1bb50302867b233325f253b1e2abbc379875 Mon Sep 17 00:00:00 2001 From: bunnei Date: Fri, 13 Nov 2020 23:20:32 -0800 Subject: core: arm: Implement InvalidateCacheRange for CPU cache invalidation. --- src/core/hle/kernel/memory/page_table.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/core/hle/kernel/memory') diff --git a/src/core/hle/kernel/memory/page_table.cpp b/src/core/hle/kernel/memory/page_table.cpp index a3fadb533..f53a7be82 100644 --- a/src/core/hle/kernel/memory/page_table.cpp +++ b/src/core/hle/kernel/memory/page_table.cpp @@ -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 -- cgit v1.2.3