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k_page_table: use more precise icache invalidates
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2a255b2d61
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@ -72,6 +72,11 @@ void InvalidateEntireInstructionCache(Core::System& system) {
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system.InvalidateCpuInstructionCaches();
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}
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template <typename AddressType>
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void InvalidateInstructionCache(Core::System& system, AddressType addr, u64 size) {
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system.InvalidateCpuInstructionCacheRange(GetInteger(addr), size);
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}
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template <typename AddressType>
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Result InvalidateDataCache(AddressType addr, u64 size) {
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R_SUCCEED();
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@ -1245,7 +1250,7 @@ Result KPageTableBase::UnmapCodeMemory(KProcessAddress dst_address, KProcessAddr
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bool reprotected_pages = false;
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SCOPE_EXIT({
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if (reprotected_pages && any_code_pages) {
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InvalidateEntireInstructionCache(m_system);
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InvalidateInstructionCache(m_system, dst_address, size);
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}
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});
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@ -1981,7 +1986,7 @@ Result KPageTableBase::SetProcessMemoryPermission(KProcessAddress addr, size_t s
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for (const auto& block : pg) {
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StoreDataCache(GetHeapVirtualPointer(m_kernel, block.GetAddress()), block.GetSize());
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}
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InvalidateEntireInstructionCache(m_system);
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InvalidateInstructionCache(m_system, addr, size);
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}
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R_SUCCEED();
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@ -3222,8 +3227,8 @@ Result KPageTableBase::WriteDebugMemory(KProcessAddress dst_address, KProcessAdd
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// Perform copy for the last block.
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R_TRY(PerformCopy());
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// Invalidate the entire instruction cache, as this svc allows modifying executable pages.
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InvalidateEntireInstructionCache(m_system);
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// Invalidate the instruction cache, as this svc allows modifying executable pages.
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InvalidateInstructionCache(m_system, dst_address, size);
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R_SUCCEED();
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}
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