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coreinit: Fix FSGetMountSource and FSAppendFile implementation (#863)

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Fixes SD access in SSBU
This commit is contained in:
Maschell 2023-06-17 13:51:55 +02:00 committed by GitHub
parent 950e9564e6
commit fd3b5b7f27
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 24 deletions
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5
src/Cafe/IOSU/fsa/iosu_fsa.cpp
View File

@ -611,14 +611,13 @@ namespace iosu
FSA_RESULT FSAProcessCmd_appendFile(FSAClient* client, FSAShimBuffer* shimBuffer)
{
uint32 fileHandle = shimBuffer->request.cmdAppendFile.fileHandle;
FSCVirtualFile* fscFile = sFileHandleTable.GetByHandle(fileHandle);
FSCVirtualFile* fscFile = sFileHandleTable.GetByHandle(shimBuffer->request.cmdAppendFile.fileHandle);
if (!fscFile)
return FSA_RESULT::INVALID_FILE_HANDLE;
#ifdef CEMU_DEBUG_ASSERT
cemuLog_log(LogType::Force, "FSAProcessCmd_appendFile(): size 0x{:08x} count 0x{:08x} (todo)\n", shimBuffer->request.cmdAppendFile.size, shimBuffer->request.cmdAppendFile.count);
#endif
return (FSA_RESULT)(shimBuffer->request.cmdAppendFile.size * shimBuffer->request.cmdAppendFile.count);
return (FSA_RESULT)(shimBuffer->request.cmdAppendFile.count.value());
}
FSA_RESULT FSAProcessCmd_truncateFile(FSAClient* client, FSAShimBuffer* shimBuffer)

49
src/Cafe/OS/libs/coreinit/coreinit_FS.cpp
View File

@ -74,22 +74,16 @@ namespace coreinit
FS_RESULT FSGetMountSourceNext(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, MOUNT_TYPE mountSourceType, FS_MOUNT_SOURCE* mountSourceInfo, FS_ERROR_MASK errMask)
{
// hacky
static FS_MOUNT_SOURCE* s_last_source = nullptr;
if (s_last_source != mountSourceInfo)
if (mountSourceType == MOUNT_TYPE::SD)
{
s_last_source = mountSourceInfo;
fsCmdBlock->data.mount_it = 0;
// This function is supposed to be called after an initial FSGetMountSource call => always returns FS_RESULT::END_ITERATION because we only have one SD Card
// It *might* causes issues if this function is called for getting the first MountSource (instead of "FSGetMountSource")
cemu_assert_suspicious();
return FS_RESULT::END_ITERATION;
}
fsCmdBlock->data.mount_it++;
// SD
if (mountSourceType == MOUNT_TYPE::SD && fsCmdBlock->data.mount_it == 1)
else
{
mountSourceInfo->sourceType = 0;
strcpy(mountSourceInfo->path, "/sd");
return FS_RESULT::SUCCESS;
cemu_assert_unimplemented();
}
return FS_RESULT::END_ITERATION;
@ -97,7 +91,20 @@ namespace coreinit
FS_RESULT FSGetMountSource(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, MOUNT_TYPE mountSourceType, FS_MOUNT_SOURCE* mountSourceInfo, FS_ERROR_MASK errMask)
{
return FSGetMountSourceNext(fsClient, fsCmdBlock, mountSourceType, mountSourceInfo, errMask);
// This implementation is simplified A LOT compared to what the Wii U is actually doing. On Cemu we expect to only have one mountable source (SD Card) anyway,
// so we can just hard code it. Other mount types are not (yet) supported.
if (mountSourceType == MOUNT_TYPE::SD)
{
mountSourceInfo->sourceType = 0;
strcpy(mountSourceInfo->path, "/sd");
return FS_RESULT::SUCCESS;
}
else
{
cemu_assert_unimplemented();
}
return FS_RESULT::END_ITERATION;
}
bool _sdCard01Mounted = false;
@ -1399,7 +1406,7 @@ namespace coreinit
return __FSProcessAsyncResult(fsClient, fsCmdBlock, fsAsyncRet, errorMask);
}
FSA_RESULT __FSPrepareCmd_AppendFile(iosu::fsa::FSAShimBuffer* fsaShimBuffer, IOSDevHandle fsaHandle, uint32 fileHandle, uint32 size, uint32 count, uint32 uknParam)
FSA_RESULT __FSPrepareCmd_AppendFile(iosu::fsa::FSAShimBuffer* fsaShimBuffer, IOSDevHandle fsaHandle, uint32 size, uint32 count, uint32 fileHandle, uint32 uknParam)
{
if (fsaShimBuffer == nullptr)
return FSA_RESULT::INVALID_BUFFER;
@ -1408,17 +1415,17 @@ namespace coreinit
fsaShimBuffer->operationType = (uint32)FSA_CMD_OPERATION_TYPE::APPENDFILE;
fsaShimBuffer->request.cmdAppendFile.fileHandle = fileHandle;
fsaShimBuffer->request.cmdAppendFile.count = size;
fsaShimBuffer->request.cmdAppendFile.size = count;
fsaShimBuffer->request.cmdAppendFile.count = count;
fsaShimBuffer->request.cmdAppendFile.size = size;
fsaShimBuffer->request.cmdAppendFile.uknParam = uknParam;
return FSA_RESULT::OK;
}
sint32 FSAppendFileAsync(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, uint32 fileHandle, uint32 size, uint32 count, uint32 errorMask, FSAsyncParamsNew_t* fsAsyncParams)
sint32 FSAppendFileAsync(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, uint32 size, uint32 count, uint32 fileHandle, uint32 errorMask, FSAsyncParamsNew_t* fsAsyncParams)
{
_FSCmdIntro();
FSA_RESULT prepareResult = __FSPrepareCmd_AppendFile(&fsCmdBlockBody->fsaShimBuffer, fsClientBody->iosuFSAHandle, fileHandle, size, count, 0);
FSA_RESULT prepareResult = __FSPrepareCmd_AppendFile(&fsCmdBlockBody->fsaShimBuffer, fsClientBody->iosuFSAHandle, size, count, fileHandle, 0);
if (prepareResult != FSA_RESULT::OK)
return (FSStatus)_FSAStatusToFSStatus(prepareResult);
@ -1426,11 +1433,11 @@ namespace coreinit
return (FSStatus)FS_RESULT::SUCCESS;
}
sint32 FSAppendFile(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, uint32 fileHandle, uint32 size, uint32 count, uint32 errorMask)
sint32 FSAppendFile(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, uint32 size, uint32 count, uint32 fileHandle, uint32 errorMask)
{
StackAllocator<FSAsyncParamsNew_t> asyncParams;
__FSAsyncToSyncInit(fsClient, fsCmdBlock, asyncParams);
sint32 fsAsyncRet = FSAppendFileAsync(fsClient, fsCmdBlock, fileHandle, size, count, errorMask, asyncParams.GetPointer());
sint32 fsAsyncRet = FSAppendFileAsync(fsClient, fsCmdBlock, size, count, fileHandle, errorMask, asyncParams.GetPointer());
return __FSProcessAsyncResult(fsClient, fsCmdBlock, fsAsyncRet, errorMask);
}