The-Homebrew-Cloud/MemoryMappingModule
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Remove allocMutex to avoid possible deadlocks

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This commit is contained in:
Maschell 2024-05-03 22:22:55 +02:00
parent bf99541449
commit 86c1d20863
1 changed files with 16 additions and 16 deletions
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32
source/memory_mapping.cpp
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@ -12,7 +12,7 @@
// #define DEBUG_FUNCTION_LINE(x,...)
OSMutex allocMutex;
//OSMutex allocMutex;
void runOnAllCores(CThread::Callback callback, void *callbackArg, int32_t iAttr = 0, int32_t iPriority = 16, int32_t iStackSize = 0x8000) {
int32_t aff[] = {CThread::eAttributeAffCore2, CThread::eAttributeAffCore1, CThread::eAttributeAffCore0};
@ -552,14 +552,14 @@ void MemoryMapping_setupMemoryMapping() {
//readTestValuesFromMemory();
//runOnAllCores(writeSegmentRegister,&srTableCpy);
OSInitMutex(&allocMutex);
// OSInitMutex(&allocMutex);
memset(pageTableCpy, 0, sizePageTable);
gMEMFreeToDefaultHeapForThreads(pageTableCpy);
}
void *MemoryMapping_allocEx(uint32_t size, int32_t align, bool videoOnly) {
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
void *res = nullptr;
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
@ -587,7 +587,7 @@ void *MemoryMapping_allocEx(uint32_t size, int32_t align, bool videoOnly) {
}
}
OSMemoryBarrier();
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
return res;
}
@ -659,7 +659,7 @@ bool CheckMemExpHeap(MEMExpHeap *heap) {
}
void MemoryMapping_checkHeaps() {
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
break;
@ -672,7 +672,7 @@ void MemoryMapping_checkHeaps() {
#endif
}
}
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
}
void *MemoryMapping_alloc(uint32_t size, int32_t align) {
@ -710,7 +710,7 @@ void MemoryMapping_free(void *ptr) {
if (ptr == nullptr) {
return;
}
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
auto ptr_val = (uint32_t) ptr;
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
@ -723,7 +723,7 @@ void MemoryMapping_free(void *ptr) {
}
}
OSMemoryBarrier();
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
}
uint32_t MemoryMapping_MEMGetAllocatableSize() {
@ -731,7 +731,7 @@ uint32_t MemoryMapping_MEMGetAllocatableSize() {
}
uint32_t MemoryMapping_MEMGetAllocatableSizeEx(uint32_t align) {
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
uint32_t res = 0;
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
@ -743,12 +743,12 @@ uint32_t MemoryMapping_MEMGetAllocatableSizeEx(uint32_t align) {
res = curRes;
}
}
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
return res;
}
uint32_t MemoryMapping_GetFreeSpace() {
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
uint32_t res = 0;
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
@ -758,12 +758,12 @@ uint32_t MemoryMapping_GetFreeSpace() {
DEBUG_FUNCTION_LINE_VERBOSE("heap at %08X MEMGetTotalFreeSizeForExpHeap: %d KiB", mem_mapping[i].effective_start_address, curRes / 1024);
res += curRes;
}
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
return res;
}
void MemoryMapping_CreateHeaps() {
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
break;
@ -780,11 +780,11 @@ void MemoryMapping_CreateHeaps() {
DEBUG_FUNCTION_LINE("Created heap @%08X, size %d KiB", heap, size / 1024);
#endif
}
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
}
void MemoryMapping_DestroyHeaps() {
OSLockMutex(&allocMutex);
//OSLockMutex(&allocMutex);
for (int32_t i = 0; /* waiting for a break */; i++) {
if (mem_mapping[i].physical_addresses == nullptr) {
break;
@ -796,7 +796,7 @@ void MemoryMapping_DestroyHeaps() {
memset(address, 0, size);
DEBUG_FUNCTION_LINE_VERBOSE("Destroyed heap @%08X", address);
}
OSUnlockMutex(&allocMutex);
//OSUnlockMutex(&allocMutex);
}
uint32_t MemoryMapping_getAreaSizeFromPageTable(uint32_t start, uint32_t maxSize) {