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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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Subv 2017-07-21 00:34:47 -05:00
parent bca8916cea
commit f484927ed0
1 changed files with 8 additions and 1 deletions
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9
src/core/memory.cpp
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@ -9,6 +9,7 @@
#include "common/logging/log.h"
#include "common/swap.h"
#include "core/hle/kernel/process.h"
#include "core/hle/lock.h"
#include "core/memory.h"
#include "core/memory_setup.h"
#include "core/mmio.h"
@ -187,6 +188,9 @@ T Read(const VAddr vaddr) {
return value;
}
// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
@ -226,6 +230,9 @@ void Write(const VAddr vaddr, const T data) {
return;
}
// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
std::lock_guard<std::mutex> lock(HLE::g_hle_lock);
PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
@ -722,4 +729,4 @@ VAddr PhysicalToVirtualAddress(const PAddr addr) {
return addr | 0x80000000;
}
} // namespace
} // namespace Memory