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Kernel/Memory: Acquire the global HLE lock when a memory read/write operation falls outside of the fast path, for it might perform an MMIO operation.
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@ -9,6 +9,7 @@
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#include "common/logging/log.h"
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#include "common/swap.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/lock.h"
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#include "core/memory.h"
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#include "core/memory_setup.h"
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#include "core/mmio.h"
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@ -187,6 +188,9 @@ T Read(const VAddr vaddr) {
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return value;
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}
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// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
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std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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@ -226,6 +230,9 @@ void Write(const VAddr vaddr, const T data) {
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return;
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}
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// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
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std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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@ -722,4 +729,4 @@ VAddr PhysicalToVirtualAddress(const PAddr addr) {
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return addr | 0x80000000;
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}
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} // namespace
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} // namespace Memory
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