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coreinit: Fix memory mapping API

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Fixes Unity based games freezing on boot
This commit is contained in:
Exzap 2023-01-25 10:04:30 +01:00
parent f2671f417f
commit 4b5014c16a
5 changed files with 75 additions and 96 deletions
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1
src/Cafe/HW/Espresso/Const.h
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@ -8,4 +8,5 @@ namespace Espresso
constexpr inline uint64 BUS_CLOCK = 248625000;
constexpr inline uint64 TIMER_CLOCK = BUS_CLOCK / 4;
constexpr inline uint32 MEM_PAGE_SIZE = 0x20000;
};

21
src/Cafe/HW/MMU/MMU.h
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@ -138,8 +138,6 @@ MMURange* memory_getMMURangeByAddress(MPTR address);
bool memory_isAddressRangeAccessible(MPTR virtualAddress, uint32 size);
#define MEMORY_PAGE_SIZE (0x20000)
#define MEMORY_CODELOW0_ADDR (0x00010000)
#define MEMORY_CODELOW0_SIZE (0x000F0000) // ~1MB
@ -158,27 +156,11 @@ bool memory_isAddressRangeAccessible(MPTR virtualAddress, uint32 size);
#define MEMORY_FGBUCKET_AREA_ADDR (0xE0000000) // actual offset is 0xE0000000 according to PPC kernel
#define MEMORY_FGBUCKET_AREA_SIZE (0x04000000) // 64MB split up into multiple subareas, size is verified with value from PPC kernel
// move these to rpl loader
#define MEMORY_SDA_SIZE (0x10000)
#define MEMORY_SDA2_SIZE (0x10000)
//#define MEMORY_SYSTEM_AREA_ADDR (0x90000000)
//#define MEMORY_SYSTEM_AREA_SIZE (0x02000000) // 32MB of memory area that can't be allocated by the game directly - this is emulator specific.
//#define MEMORY_SYSTEM_AREA_ADDR (0x7C000000)
//#define MEMORY_SYSTEM_AREA_SIZE (0x02000000) // 32MB of memory area that can't be allocated by the game directly - this is emulator specific.
// moved the sys area below 0x80000000. Turns out that some games treat stack/os-object pointers as signed and run into issues if the highest bit is set (e.g. Monster Hunter Frontier G)
#define MEMORY_TILINGAPERTURE_AREA_ADDR (0xE8000000)
#define MEMORY_TILINGAPERTURE_AREA_SIZE (0x02000000) // 32MB
#define MEMORY_OVERLAY_AREA_OFFSET (0xA0000000)
#define MEMORY_OVERLAY_AREA_SIZE (448*1024*1024) // 448MB (todo: verify if correct)
#define MEMORY_MAPABLE_PHYS_AREA_OFFSET (0x80000000) // todo: verify offset
#define MEMORY_MAPABLE_PHYS_AREA_SIZE (32*1024*1024) // todo: verify size
#define MEMORY_MAPABLE_VIRT_AREA_OFFSET (0x70000000) // todo: verify offset
#define MEMORY_MAPABLE_VIRT_AREA_SIZE (32*1024*1024) // todo: verify size
#define MEMORY_OVERLAY_AREA_SIZE (448*1024*1024) // 448MB (recycled background app memory)
#define MEMORY_MEM1_AREA_ADDR (0xF4000000)
#define MEMORY_MEM1_AREA_SIZE (0x02000000) // 32MB
@ -191,7 +173,6 @@ bool memory_isAddressRangeAccessible(MPTR virtualAddress, uint32 size);
static uint16 CPU_swapEndianU16(uint16 v)
{
//return _byteswap_ushort(v);
return (v>>8)|(v<<8);
}

1
src/Cafe/OS/libs/coreinit/coreinit.cpp
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@ -366,6 +366,7 @@ void coreinit_load()
coreinit::InitializeMessageQueue();
coreinit::InitializeIPC();
coreinit::InitializeIPCBuf();
coreinit::InitializeMemoryMapping();
coreinit::InitializeCodeGen();
coreinit::InitializeCoroutine();
coreinit::InitializeOSScreen();

145
src/Cafe/OS/libs/coreinit/coreinit_MemoryMapping.cpp
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@ -4,24 +4,34 @@
#define OS_MAP_READ_ONLY (1)
#define OS_MAP_READ_WRITE (2)
#define VIRT_RANGE_ADDR (0xA0000000) // todo: Process specific. For the main ram pid this overlaps with the overlay arena?
#define VIRT_RANGE_SIZE (0x40000000)
#define PHYS_RANGE_ADDR (0x10000000) // todo: Process specific
#define PHYS_RANGE_SIZE (0x40000000)
namespace coreinit
{
std::mutex s_memMappingMtx;
struct OSVirtMemory
struct OSVirtMemoryEntry
{
OSVirtMemoryEntry(MPTR virtualAddress, uint32 size, uint32 alignment) : virtualAddress(virtualAddress), size(size), alignment(alignment) {};
MPTR virtualAddress;
uint32 size;
uint32 alignment;
OSVirtMemory* next;
};
OSVirtMemory* virtualMemoryList = nullptr;
std::vector<OSVirtMemoryEntry> s_allocatedVirtMemory;
MPTR _VirtualMemoryAlloc(uint32 size, uint32 alignment)
MPTR _OSAllocVirtAddr(uint32 size, uint32 alignment)
{
uint32 currentAddress = MEMORY_MAPABLE_VIRT_AREA_OFFSET;
uint32 endAddress = MEMORY_MAPABLE_VIRT_AREA_OFFSET + MEMORY_MAPABLE_VIRT_AREA_SIZE;
std::lock_guard _l(s_memMappingMtx);
uint32 currentAddress = VIRT_RANGE_ADDR;
uint32 endAddress = VIRT_RANGE_ADDR + VIRT_RANGE_SIZE;
uint32 pageSize = (uint32)MemMapper::GetPageSize();
pageSize = std::max<uint32>(pageSize, Espresso::MEM_PAGE_SIZE);
while (true)
{
// calculated aligned start and end address for current region
@ -30,95 +40,85 @@ namespace coreinit
uint32 currentEndAddress = currentAddress + size;
currentEndAddress = (currentEndAddress + pageSize - 1) & ~(pageSize - 1);
// check if out of available space
if (currentEndAddress >= endAddress)
if (currentEndAddress > endAddress)
{
debug_printf("coreinitVirtualMemory_alloc(): Unable to allocate memory\n");
debugBreakpoint();
cemuLog_log(LogType::APIErrors, "_OSAllocVirtAddr(): Unable to allocate memory\n");
return MPTR_NULL;
}
// check for overlapping regions
OSVirtMemory* virtMemItr = virtualMemoryList;
bool emptySpaceFound = true;
while (virtMemItr)
for(auto& virtMemIt : s_allocatedVirtMemory)
{
// check for range collision
if (currentAddress < (virtMemItr->virtualAddress + virtMemItr->size) && currentEndAddress > virtMemItr->virtualAddress)
if (currentAddress < (virtMemIt.virtualAddress + virtMemIt.size) && currentEndAddress > virtMemIt.virtualAddress)
{
// regions overlap
// adjust current address and try again
currentAddress = virtMemItr->virtualAddress + virtMemItr->size;
// adjust current address and keep looking
currentAddress = virtMemIt.virtualAddress + virtMemIt.size;
emptySpaceFound = false;
break;
}
// next
virtMemItr = virtMemItr->next;
}
if (emptySpaceFound)
{
// add entry
OSVirtMemory* virtMemory = (OSVirtMemory*)malloc(sizeof(OSVirtMemory));
memset(virtMemory, 0x00, sizeof(OSVirtMemory));
virtMemory->virtualAddress = currentAddress;
virtMemory->size = currentEndAddress - currentAddress;
virtMemory->alignment = alignment;
virtMemory->next = virtualMemoryList;
virtualMemoryList = virtMemory;
s_allocatedVirtMemory.emplace_back(currentAddress, currentEndAddress - currentAddress, alignment);
return currentAddress;
}
}
return MPTR_NULL;
}
void coreinitExport_OSGetAvailPhysAddrRange(PPCInterpreter_t* hCPU)
bool _OSFreeVirtAddr(MPTR virtAddr)
{
// parameters:
// r3 MPTR* areaStart
// r4 uint32 areaSize
memory_writeU32(hCPU->gpr[3], MEMORY_MAPABLE_PHYS_AREA_OFFSET);
memory_writeU32(hCPU->gpr[4], MEMORY_MAPABLE_PHYS_AREA_SIZE);
osLib_returnFromFunction(hCPU, 0);
std::lock_guard _l(s_memMappingMtx);
auto it = s_allocatedVirtMemory.begin();
while (it != s_allocatedVirtMemory.end())
{
if (it->virtualAddress == virtAddr)
{
s_allocatedVirtMemory.erase(it);
return true;
}
++it;
}
return false;
}
void coreinitExport_OSAllocVirtAddr(PPCInterpreter_t* hCPU)
void OSGetAvailPhysAddrRange(uint32be* physRangeStart, uint32be* physRangeSize)
{
// parameters:
// r3 MPTR address
// r4 uint32 size
// r5 uint32 align
*physRangeStart = PHYS_RANGE_ADDR;
*physRangeSize = PHYS_RANGE_SIZE;
}
uint32 address = hCPU->gpr[3];
uint32 size = hCPU->gpr[4];
uint32 align = hCPU->gpr[5];
if (address != MPTR_NULL)
{
debug_printf("coreinitExport_OSAllocVirtAddr(): Unsupported address != NULL\n");
debugBreakpoint();
}
void* OSAllocVirtAddr(MEMPTR<void> address, uint32 size, uint32 align)
{
if (align == 0)
align = 1;
if (align != 0 && align != 1)
assert_dbg();
cemu_assert_debug(address == nullptr); // todo - support for allocation with fixed address
address = _VirtualMemoryAlloc(size, align);
debug_printf("coreinitExport_OSAllocVirtAddr(): Allocated virtual memory at 0x%08x\n", address);
osLib_returnFromFunction(hCPU, address);
address = _OSAllocVirtAddr(size, align);
debug_printf("OSAllocVirtAddr(): Allocated virtual memory at 0x%08x\n", address.GetMPTR());
return MEMPTR<void>(address);
}
void coreinitExport_OSMapMemory(PPCInterpreter_t* hCPU)
uint32 OSFreeVirtAddr(MEMPTR<void> address)
{
// parameters:
// r3 MPTR virtualAddress
// r4 MPTR physicalAddress
// r5 uint32 size
// r6 uint32 mode
MPTR virtualAddress = hCPU->gpr[3];
MPTR physicalAddress = hCPU->gpr[4];
uint32 size = hCPU->gpr[5];
uint32 mode = hCPU->gpr[6];
bool r = _OSFreeVirtAddr(address.GetMPTR());
if(!r)
cemuLog_log(LogType::APIErrors, "OSFreeVirtAddr: Could not find allocation with address 0x{:08x}\n", address.GetMPTR());
return r ? 1 : 0;
}
if (virtualAddress < MEMORY_MAPABLE_VIRT_AREA_OFFSET || virtualAddress >= (MEMORY_MAPABLE_VIRT_AREA_OFFSET + MEMORY_MAPABLE_VIRT_AREA_SIZE))
cemu_assert_suspicious();
uint32 OSMapMemory(MPTR virtualAddress, MPTR physicalAddress, uint32 size, uint32 mode)
{
if (virtualAddress < VIRT_RANGE_ADDR || virtualAddress >= (VIRT_RANGE_ADDR + VIRT_RANGE_SIZE))
{
cemuLog_log(LogType::APIErrors, "OSMapMemory: Virtual address out of bounds\n");
return 0;
}
uint8* virtualPtr = memory_getPointerFromVirtualOffset(virtualAddress);
@ -133,21 +133,14 @@ namespace coreinit
if (!allocationResult)
{
cemuLog_log(LogType::Force, "OSMapMemory failed");
osLib_returnFromFunction(hCPU, 0);
return;
return 0;
}
osLib_returnFromFunction(hCPU, 1);
return 1;
}
void coreinitExport_OSUnmapMemory(PPCInterpreter_t* hCPU)
uint32 OSUnmapMemory(MPTR virtualAddress, uint32 size)
{
// parameters:
// r3 MPTR virtualAddress
// r4 uint32 size
MPTR virtualAddress = hCPU->gpr[3];
uint32 size = hCPU->gpr[4];
if (virtualAddress < MEMORY_MAPABLE_VIRT_AREA_OFFSET || virtualAddress >= (MEMORY_MAPABLE_VIRT_AREA_OFFSET + MEMORY_MAPABLE_VIRT_AREA_SIZE))
if (virtualAddress < VIRT_RANGE_ADDR || virtualAddress >= (VIRT_RANGE_ADDR + VIRT_RANGE_SIZE))
cemu_assert_suspicious();
cemu_assert((size % MemMapper::GetPageSize()) == 0);
@ -155,14 +148,16 @@ namespace coreinit
uint8* virtualPtr = memory_getPointerFromVirtualOffset(virtualAddress);
MemMapper::FreeMemory(virtualPtr, size, true);
osLib_returnFromFunction(hCPU, 1);
return 1;
}
void InitializeMemoryMapping()
{
osLib_addFunction("coreinit", "OSGetAvailPhysAddrRange", coreinitExport_OSGetAvailPhysAddrRange);
osLib_addFunction("coreinit", "OSAllocVirtAddr", coreinitExport_OSAllocVirtAddr);
osLib_addFunction("coreinit", "OSMapMemory", coreinitExport_OSMapMemory);
osLib_addFunction("coreinit", "OSUnmapMemory", coreinitExport_OSUnmapMemory);
s_allocatedVirtMemory.clear();
cafeExportRegister("coreinit", OSGetAvailPhysAddrRange, LogType::CoreinitMemoryMapping);
cafeExportRegister("coreinit", OSAllocVirtAddr, LogType::CoreinitMemoryMapping);
cafeExportRegister("coreinit", OSFreeVirtAddr, LogType::CoreinitMemoryMapping);
cafeExportRegister("coreinit", OSMapMemory, LogType::CoreinitMemoryMapping);
cafeExportRegister("coreinit", OSUnmapMemory, LogType::CoreinitMemoryMapping);
}
}

1
src/Cemu/Logging/CemuLogging.h
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@ -23,6 +23,7 @@ enum class LogType : sint32
CoreinitMP = 16,
CoreinitThread = 17,
CoreinitLogging = 18, // OSReport, OSConsoleWrite etc.
CoreinitMemoryMapping = 19, // OSGetAvailPhysAddrRange, OSAllocVirtAddr, OSMapMemory etc.
PPC_IPC = 20,
NN_AOC = 21,