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Fix Mocha_InitLibrary(), fix seek

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This commit is contained in:
Maschell 2022-06-18 15:42:47 +02:00
parent 41226ab3ca
commit 8b3cbc8ad5
3 changed files with 25 additions and 27 deletions
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9
include/mocha/mocha.h
View File

@ -154,15 +154,6 @@ MochaUtilsStatus Mocha_GetEnvironmentPath(char *environmentPathBuffer, uint32_t
*/
MochaUtilsStatus Mocha_RPXHookCompleted();
/**
* Starts the MCP thread of mocha to allows usage of /dev/iosuhax and wupclient
* @return MOCHA_RESULT_SUCCESS: Thread has been started<br>
* MOCHA_RESULT_LIB_UNINITIALIZED: Library was not initialized. Call Mocha_InitLibrary() before using this function.<br>
* MOCHA_RESULT_UNSUPPORTED_COMMAND: Command not supported by the currently loaded mocha version.<br>
* MOCHA_RESULT_UNKNOWN_ERROR: Failed to retrieve the environment path.
*/
MochaUtilsStatus Mocha_StartMCPThread();
/**
* Enables logging via USB (FTDI FT232 chipset only) via OSReport and friends.
* @param avoidLogCatchup If set to true, the log start at the moment this function is called (for the first time)

7
source/devoptab/devoptab_fsa_seek.cpp
View File

@ -58,15 +58,16 @@ off_t __fsa_seek(struct _reent *r,
return -1;
}
uint32_t old_pos = file->offset;
file->offset = offset + pos;
status = FSASetPosFile(deviceData->clientHandle, file->fd, file->offset);
if (status < 0) {
file->offset = old_pos;
DEBUG_FUNCTION_LINE_ERR("FSASetPosFile(0x%08X, 0x%08X, 0x%08X) failed: %s", deviceData->clientHandle, file->fd, file->offset, FSAGetStatusStr(status));
r->_errno = __fsa_translate_error(status);
return -1;
}
// Update the current offset
file->offset = offset + pos;
return file->offset;
}

36
source/utils.cpp
View File

@ -22,24 +22,34 @@ uint32_t mochaApiVersion = 0;
#define IOCTL_CHECK_IF_IOSUHAX 0x5B
#define IOSUHAX_MAGIC_WORD 0x4E696365
MochaUtilsStatus Mocha_SimpleCommand(uint32_t command, uint32_t apiVersion);
MochaUtilsStatus Mocha_InitLibrary() {
if (mochaInitDone) {
return MOCHA_RESULT_SUCCESS;
}
if (iosuhaxHandle < 0) {
int haxHandle = IOS_Open((char *) ("/dev/iosuhax"), static_cast<IOSOpenMode>(0));
if (haxHandle >= 0) {
ALIGN_0x40 int res[0x40 >> 2];
*res = 0;
IOS_Ioctl(haxHandle, IOCTL_CHECK_IF_IOSUHAX, (void *) nullptr, 0, res, 4);
if (*res != IOSUHAX_MAGIC_WORD) {
IOS_Close(haxHandle);
DEBUG_FUNCTION_LINE_ERR("Unexpected /dev/iosuhax magic");
return MOCHA_RESULT_UNSUPPORTED_COMMAND;
auto res = MOCHA_RESULT_UNKNOWN_ERROR;
int mcpFd = IOS_Open("/dev/mcp", (IOSOpenMode) 0);
if (mcpFd >= 0) {
ALIGN_0x40 uint32_t io_buffer[0x40 / 4];
io_buffer[0] = IPC_CUSTOM_START_MCP_THREAD;
if (IOS_Ioctl(mcpFd, 100, io_buffer, 4, io_buffer, 0x4) == IOS_ERROR_OK) {
if (io_buffer[0] != 1) { // Thread is starting
OSSleepTicks(OSMillisecondsToTicks(50));
}
res = MOCHA_RESULT_SUCCESS;
}
} else {
IOS_Close(mcpFd);
}
if (res != MOCHA_RESULT_SUCCESS) {
return res;
}
int haxHandle = IOS_Open((char *) ("/dev/iosuhax"), static_cast<IOSOpenMode>(0));
if (haxHandle < 0) {
DEBUG_FUNCTION_LINE_ERR("Failed to open /dev/iosuhax");
return MOCHA_RESULT_UNSUPPORTED_COMMAND;
}
@ -282,10 +292,6 @@ MochaUtilsStatus Mocha_RPXHookCompleted() {
return Mocha_SimpleCommand(IPC_CUSTOM_MEN_RPX_HOOK_COMPLETED, 1);
}
MochaUtilsStatus Mocha_StartMCPThread() {
return Mocha_SimpleCommand(IPC_CUSTOM_START_MCP_THREAD, 1);
}
MochaUtilsStatus Mocha_StartUSBLogging(bool avoidLogCatchup) {
if (!mochaInitDone) {
return MOCHA_RESULT_LIB_UNINITIALIZED;