kernel: target invalidate to given process
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8649a80071
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96833cd809
1 changed files with 9 additions and 4 deletions
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@ -69,9 +69,14 @@ public:
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};
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};
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template <typename AddressType>
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template <typename AddressType>
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void InvalidateInstructionCache(KernelCore& kernel, AddressType addr, u64 size) {
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void InvalidateInstructionCache(KernelCore& kernel, KPageTableBase* table, AddressType addr,
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u64 size) {
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// TODO: lock the process list
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// TODO: lock the process list
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for (auto& process : kernel.GetProcessList()) {
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for (auto& process : kernel.GetProcessList()) {
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if (std::addressof(process->GetPageTable().GetBasePageTable()) != table) {
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continue;
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}
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for (size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
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for (size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) {
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auto* interface = process->GetArmInterface(i);
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auto* interface = process->GetArmInterface(i);
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if (interface) {
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if (interface) {
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@ -1302,7 +1307,7 @@ Result KPageTableBase::UnmapCodeMemory(KProcessAddress dst_address, KProcessAddr
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bool reprotected_pages = false;
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bool reprotected_pages = false;
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SCOPE_EXIT({
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SCOPE_EXIT({
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if (reprotected_pages && any_code_pages) {
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if (reprotected_pages && any_code_pages) {
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InvalidateInstructionCache(m_kernel, dst_address, size);
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InvalidateInstructionCache(m_kernel, this, dst_address, size);
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}
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}
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});
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});
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@ -2036,7 +2041,7 @@ Result KPageTableBase::SetProcessMemoryPermission(KProcessAddress addr, size_t s
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for (const auto& block : pg) {
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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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StoreDataCache(GetHeapVirtualPointer(m_kernel, block.GetAddress()), block.GetSize());
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}
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}
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InvalidateInstructionCache(m_kernel, addr, size);
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InvalidateInstructionCache(m_kernel, this, addr, size);
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}
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}
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R_SUCCEED();
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R_SUCCEED();
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@ -3277,7 +3282,7 @@ Result KPageTableBase::WriteDebugMemory(KProcessAddress dst_address, KProcessAdd
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R_TRY(PerformCopy());
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R_TRY(PerformCopy());
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// Invalidate the instruction cache, as this svc allows modifying executable pages.
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// Invalidate the instruction cache, as this svc allows modifying executable pages.
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InvalidateInstructionCache(m_kernel, dst_address, size);
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InvalidateInstructionCache(m_kernel, this, dst_address, size);
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R_SUCCEED();
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R_SUCCEED();
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}
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}
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