int mount_sd_fat(const char *path)
{
int result = -1;
// get command and client
void* pClient = malloc(sizeof(FSClient));
void* pCmd = malloc(sizeof(FSCmdBlock));
if(!pClient || !pCmd) {
// just in case free if not 0
if(pClient)
free(pClient);
if(pCmd)
free(pCmd);
return -2;
}
FSInit();
FSInitCmdBlock(pCmd);
FSAddClient(pClient, -1);
char *mountPath = NULL;
if(MountFS(pClient, pCmd, &mountPath) == 0) {
result = sd_fat_add_device(path, mountPath, pClient, pCmd);
free(mountPath);
}
return result;
}
int
__wut_fs_rmdir(struct _reent *r,
const char *name)
{
FSStatus rc;
if (name == NULL) {
return -1;
}
char *path_fix = __wut_fs_fixpath(r, name);
if (!path_fix) {
r->_errno = ENOMEM;
return -1;
}
// Set up command block
FSCmdBlock fsCmd;
FSInitCmdBlock(&fsCmd);
rc = FSRemove(__wut_devoptab_fs_client, &fsCmd, path_fix, -1);
free(path_fix);
if (rc >= 0) {
return 0;
}
r->_errno = __wut_fs_translate_error(rc);
return -1;
}
DECL(int, FSInit, void) {
if ((int)bss_ptr == 0x0a000000) {
// allocate memory for our stuff
void *mem_ptr = memalign(sizeof(struct bss_t), 0x40);
if(!mem_ptr)
return real_FSInit();
// copy pointer
bss_ptr = mem_ptr;
memset(bss_ptr, 0, sizeof(struct bss_t));
// setup exceptions
setup_os_exceptions();
// create game mount path prefix
__os_snprintf(bss.mount_base, sizeof(bss.mount_base), "%s%s/%s%s", CAFE_OS_SD_PATH, SD_GAMES_PATH, GAME_DIR_NAME, CONTENT_PATH);
// create game save path prefix
__os_snprintf(bss.save_base, sizeof(bss.save_base), "%s%s/%s", CAFE_OS_SD_PATH, SD_SAVES_PATH, GAME_DIR_NAME);
logger_connect(&bss.global_sock);
// Call real FSInit
int result = real_FSInit();
// Mount sdcard
FSClient *pClient = (FSClient*) MEMAllocFromDefaultHeap(sizeof(FSClient));
if (!pClient)
return 0;
FSCmdBlock *pCmd = (FSCmdBlock*) MEMAllocFromDefaultHeap(sizeof(FSCmdBlock));
if (!pCmd)
{
MEMFreeToDefaultHeap(pClient);
return 0;
}
FSInitCmdBlock(pCmd);
FSAddClientEx(pClient, 0, FS_RET_NO_ERROR);
fs_mount_sd(bss.global_sock, pClient, pCmd);
FSDelClient(pClient);
MEMFreeToDefaultHeap(pCmd);
MEMFreeToDefaultHeap(pClient);
return result;
}
return real_FSInit();
}
int
__wut_fs_rename(struct _reent *r,
const char *oldName,
const char *newName)
{
FSStatus rc;
if (oldName == NULL) {
return -1;
}
if (newName == NULL) {
return -1;
}
char *path_old = __wut_fs_fixpath(r, oldName);
if (!path_old) {
r->_errno = ENOMEM;
return -1;
}
char *path_new = __wut_fs_fixpath(r, newName);
if (!path_new) {
r->_errno = ENOMEM;
return -1;
}
// Set up command block
FSCmdBlock fsCmd;
FSInitCmdBlock(&fsCmd);
rc = FSRename(__wut_devoptab_fs_client, &fsCmd, path_old, path_new, -1);
free(path_old);
free(path_new);
if (rc >= 0) {
return 0;
}
r->_errno = __wut_fs_translate_error(rc);
return -1;
}
void _start()
{
/* Load a good stack */
asm(
"lis %r1, 0x1ab5 ;"
"ori %r1, %r1, 0xd138 ;"
);
/* Get a handle to coreinit.rpl */
uint32_t coreinit_h;
OSDynLoad_Acquire("coreinit.rpl", &coreinit_h);
/* Memory allocation and FS functions */
void* (*OSAllocFromSystem)(uint32_t size, int align);
int (*FSInit)();
int (*FSAddClient)(void *client, int unk1);
int (*FSInitCmdBlock)(void *cmd);
int (*FSOpenDir)(void *client, void *cmd, char *path, uint32_t *dir_handle, int unk1);
int (*FSReadDir)(void *client, void *cmd, uint32_t dir_handle, void *buffer, int unk1);
int (*FSGetMountSource)(void *client, void *cmd, int type, mount_source *source, int unk1);
int (*FSMount)(void *client, void *cmd, mount_source *source, char *mountpath, uint32_t pathlength, int unk1);
int (*FSOpenFile)(void *client, void *cmd, char *filepath, char *amode, uint32_t *file_handle, int unk1);
int (*FSReadFile)(void *client, void *cmd, void *buffer, uint32_t size, uint32_t length, uint32_t file_handle, int unk1, int unk2);
OSDynLoad_FindExport(coreinit_h, 0, "OSAllocFromSystem", &OSAllocFromSystem);
OSDynLoad_FindExport(coreinit_h, 0, "FSInit", &FSInit);
OSDynLoad_FindExport(coreinit_h, 0, "FSAddClient", &FSAddClient);
OSDynLoad_FindExport(coreinit_h, 0, "FSInitCmdBlock", &FSInitCmdBlock);
OSDynLoad_FindExport(coreinit_h, 0, "FSOpenDir", &FSOpenDir);
OSDynLoad_FindExport(coreinit_h, 0, "FSReadDir", &FSReadDir);
OSDynLoad_FindExport(coreinit_h, 0, "FSGetMountSource", &FSGetMountSource);
OSDynLoad_FindExport(coreinit_h, 0, "FSMount", &FSMount);
OSDynLoad_FindExport(coreinit_h, 0, "FSOpenFile", &FSOpenFile);
OSDynLoad_FindExport(coreinit_h, 0, "FSReadFile", &FSReadFile);
FSInit();
/* Set up the client and command blocks */
void *client = OSAllocFromSystem(0x1700, 0x20);
void *cmd = OSAllocFromSystem(0xA80, 0x20);
if (!(client && cmd)) OSFatal("Failed to allocate client and command block");
FSAddClient(client, 0);
FSInitCmdBlock(cmd);
// todo: check permissions and throw exception if no mounting permissions available
// OSLockMutex - Probably not. It's a single thread, nothing else can access this, Cross-F does this here
mount_source m_source; // allocate mount source
int ms_result = FSGetMountSource(client, cmd, 0, &m_source, 0); // type 0 = external device
if(ms_result != 0) {
char buf[256];
__os_snprintf(buf, 256, "FSGetMountSource returned error code %d", ms_result);
OSFatal(buf);
}
char mountPath[128]; // usually /vol/external01
int m_result = FSMount(client, cmd, &m_source, mountPath, sizeof(mountPath), -1);
if(m_result != 0) {
char buf[256];
__os_snprintf(buf, 256, "FSMount returned error code %d", m_result);
OSFatal(buf);
}
// OSUnlockMutex
char defaultMountPath[] = "/vol/external01";
if(!strcmp(mountPath, defaultMountPath)) {
char buf[256];
__os_snprintf(buf, 256, "FSMount returned nonstandard mount path: %s", mountPath);
OSFatal(buf);
}
uint32_t file_handle;
int open_result = FSOpenFile(client, cmd, "/vol/external01/SMASHD.txt", "r", &file_handle, 0);
if(open_result != 0) {
char buf[256];
__os_snprintf(buf, 256, "FSOpenFile returned error code %d", open_result);
OSFatal(buf);
}
uint32_t *file_buffer = OSAllocFromSystem(0x200, 0x20);
int read_result = FSReadFile(client, cmd, file_buffer, 1, 25, file_handle, 0, -1); // todo: is size correct? one char one byte; read whole file, not just a few bytes
if(read_result != 0) {
char buf[256];
__os_snprintf(buf, 256, "FSReadFile returned error code %d", read_result);
OSFatal(buf);
}
char *message = (char*)&file_buffer[25];
OSFatal(message);
}
/* *****************************************************************************
* Dynamic RPL loading to memory
* ****************************************************************************/
static int LoadRPLToMemory(s_rpx_rpl *rpl_entry)
{
if ((int)bss_ptr != 0x0a000000)
{
char buffer[200];
__os_snprintf(buffer, sizeof(buffer), "CheckAndLoadRPL(%s) found and loading", rpl_entry->name);
log_string(bss.global_sock, buffer, BYTE_LOG_STR);
}
// initialize FS
FSInit();
FSClient *pClient = (FSClient*) MEMAllocFromDefaultHeap(sizeof(FSClient));
if (!pClient)
return 0;
FSCmdBlock *pCmd = (FSCmdBlock*) MEMAllocFromDefaultHeap(sizeof(FSCmdBlock));
if (!pCmd)
{
MEMFreeToDefaultHeap(pClient);
return 0;
}
// calculate path length for SD access of RPL
int path_len = strlen(CAFE_OS_SD_PATH) + strlen(SD_GAMES_PATH) + strlen(GAME_DIR_NAME) + strlen(RPX_RPL_PATH) + strlen(rpl_entry->name) + 3;
char *path_rpl = MEMAllocFromDefaultHeap(path_len);
if(!path_rpl) {
MEMFreeToDefaultHeap(pCmd);
MEMFreeToDefaultHeap(pClient);
return 0;
}
// create path
__os_snprintf(path_rpl, path_len, "%s%s/%s%s/%s", CAFE_OS_SD_PATH, SD_GAMES_PATH, GAME_DIR_NAME, RPX_RPL_PATH, rpl_entry->name);
// malloc mem for read file
unsigned char* dataBuf = (unsigned char*)MEMAllocFromDefaultHeapEx(0x1000, 0x40);
if(!dataBuf) {
MEMFreeToDefaultHeap(pCmd);
MEMFreeToDefaultHeap(pClient);
MEMFreeToDefaultHeap(path_rpl);
return 0;
}
// do more initial FS stuff
FSInitCmdBlock(pCmd);
FSAddClientEx(pClient, 0, FS_RET_NO_ERROR);
// set RPL size to 0 to avoid wrong RPL being loaded when opening file fails
rpl_entry->size = 0;
rpl_entry->offset = 0;
int fd = 0;
if (real_FSOpenFile(pClient, pCmd, path_rpl, "r", &fd, FS_RET_ALL_ERROR) == FS_STATUS_OK)
{
int ret;
int rpl_size = 0;
// Get current memory area
s_mem_area* mem_area = (s_mem_area*)(MEM_AREA_ARRAY);
int mem_area_addr_start = mem_area->address;
int mem_area_addr_end = mem_area->address + mem_area->size;
int mem_area_offset = 0;
// Copy rpl in memory
while ((ret = FSReadFile(pClient, pCmd, dataBuf, 0x1, 0x1000, fd, 0, FS_RET_ALL_ERROR)) > 0)
{
// Copy in memory and save offset
for (int j = 0; j < ret; j++)
{
if ((mem_area_addr_start + mem_area_offset) >= mem_area_addr_end)
{
// Set next memory area
mem_area = mem_area->next;
mem_area_addr_start = mem_area->address;
mem_area_addr_end = mem_area->address + mem_area->size;
mem_area_offset = 0;
}
*(volatile unsigned char*)(mem_area_addr_start + mem_area_offset) = dataBuf[j];
mem_area_offset += 1;
}
rpl_size += ret;
}
// Fill rpl entry
rpl_entry->area = (s_mem_area*)(MEM_AREA_ARRAY);
rpl_entry->offset = 0;
rpl_entry->size = rpl_size;
// flush memory
// DCFlushRange((void*)rpl_entry, sizeof(s_rpx_rpl));
// DCFlushRange((void*)rpl_entry->address, rpl_entry->size);
if ((int)bss_ptr != 0x0a000000)
{
char buffer[200];
__os_snprintf(buffer, sizeof(buffer), "CheckAndLoadRPL(%s) file loaded 0x%08X %i", rpl_entry->name, rpl_entry->area->address, rpl_entry->size);
log_string(bss.global_sock, buffer, BYTE_LOG_STR);
}
FSCloseFile(pClient, pCmd, fd, FS_RET_NO_ERROR);
}
FSDelClient(pClient);
MEMFreeToDefaultHeap(dataBuf);
MEMFreeToDefaultHeap(pCmd);
MEMFreeToDefaultHeap(pClient);
MEMFreeToDefaultHeap(path_rpl);
return 1;
}
