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coreinit_FS: Invoke attach callback after FSAddClientEx to inform title that SD card was inserted.

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This commit is contained in:
Arian Kordi 2026-07-09 12:39:58 -04:00
parent 0ed2638da3
commit 345ba088d1
2 changed files with 36 additions and 11 deletions
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38
src/Cafe/OS/libs/coreinit/coreinit_FS.cpp
View File

@ -275,7 +275,23 @@ namespace coreinit
cemuLog_log(LogType::Force, "FSShutdown called");
}
FS_RESULT FSAddClientEx(FSClient_t* fsClient, uint32 uknR4, uint32 errHandling)
struct AttachCallbackData
{
/* +0x00 */ uint8 unk[0x1c];
/* +0x1c */ char mountName[8];
};
SysAllocator<AttachCallbackData> s_fsAttachCallbackData;
void invokeAttachCallback(FSAttachParams& attachParams)
{
*s_fsAttachCallbackData = { .mountName = "sdcard" /* expected by Mii Maker */ };
PPCCoreCallback(attachParams.userCallback,
0 /* r3 = unknown */, 1 /* r4 = non-zero means device is attached */,
s_fsAttachCallbackData.GetMPTR(), attachParams.userContext);
}
FS_RESULT FSAddClientEx(FSClient_t* fsClient, FSAttachParams* attachParams, uint32 errHandling)
{
if (!sFSInitialized || sFSShutdown || !fsClient)
{
@ -283,15 +299,13 @@ namespace coreinit
return FS_RESULT::FATAL_ERROR;
}
FSLockMutex();
if (uknR4 != 0)
if (attachParams != nullptr &&
attachParams->userCallback == nullptr)
{
uint32 uknValue = memory_readU32(uknR4 + 0x00);
if (uknValue == 0)
{
FSUnlockMutex();
__FSErrorAndBlock("FSAddClientEx - unknown error");
return FS_RESULT::FATAL_ERROR;
}
FSUnlockMutex();
// "FS: FSAddClient: attachParams->userCallback must be set.\n"
__FSErrorAndBlock("FSAddClientEx - unknown error");
return FS_RESULT::FATAL_ERROR;
}
if (__FSIsClientRegistered(__FSGetClientBody(fsClient)))
{
@ -324,12 +338,16 @@ namespace coreinit
fsClientBody->fsClientBodyNext = nullptr;
}
FSUnlockMutex();
if (attachParams != nullptr) // invoke right before returning
invokeAttachCallback(*attachParams);
return FS_RESULT::SUCCESS;
}
FS_RESULT FSAddClient(FSClient_t* fsClient, uint32 errHandling)
{
return FSAddClientEx(fsClient, 0, errHandling);
return FSAddClientEx(fsClient, nullptr, errHandling);
}
FS_RESULT FSDelClient(FSClient_t* fsClient, uint32 errHandling)

9
src/Cafe/OS/libs/coreinit/coreinit_FS.h
View File

@ -18,6 +18,13 @@ struct FSAsyncParams
};
static_assert(sizeof(FSAsyncParams) == 0xC);
struct FSAttachParams
{
MEMPTR<void> userCallback;
MEMPTR<void> userContext;
};
static_assert(sizeof(FSAttachParams) == 0x8);
namespace coreinit
{
struct FSCmdBlockBody;
@ -242,7 +249,7 @@ namespace coreinit
sint32 __FSQueryInfoAsync(FSClient_t* fsClient, FSCmdBlock_t* fsCmdBlock, uint8* queryString, uint32 queryType, void* queryResult, uint32 errHandling, FSAsyncParams* fsAsyncParams);
// coreinit exports
FS_RESULT FSAddClientEx(FSClient_t* fsClient, uint32 uknR4, uint32 errHandling);
FS_RESULT FSAddClientEx(FSClient_t* fsClient, FSAttachParams* attachParams, uint32 errHandling);
FS_RESULT FSAddClient(FSClient_t* fsClient, uint32 errHandling);
FS_RESULT FSDelClient(FSClient_t* fsClient, uint32 errHandling);