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Fix loading .rpx bigger than 4MiB

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This commit is contained in:
Maschell 2020-06-21 16:42:44 +02:00
parent 36ac8626f0
commit 8bb7cf0076
1 changed files with 12 additions and 28 deletions
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40
source/ios_mcp/source/mcp_loadfile.c
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@ -30,7 +30,6 @@ int (*const MCP_DoLoadFile)(const char *path, const char *path2, void *outputBuf
static int MCP_LoadCustomFile(int target, char *path, int filesize, int fileoffset, void *out_buffer, int buffer_len, int pos);
static bool skipPPCSetup = false;
static bool didrpxfirstchunk = false;
static bool doWantReplaceRPX = false;
static bool replace_target_device = 0;
static uint32_t rep_filesize = 0;
@ -73,23 +72,11 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
// The men.rpx is hooked until the "IPC_CUSTOM_MEN_RPX_HOOK_COMPLETED" command is passed to IOCTL 0x100.
// If the loading of the replacement file fails, the Wii U Menu is loaded normally.
replace_target = LOAD_FILE_TARGET_SD_CARD;
int result = MCP_LoadCustomFile(replace_target, replace_path, 0, 0, msg->ioctl.buffer_io, msg->ioctl.length_io, request->pos);
if (result >= 0) {
return result;
} else {
// on error don't try it again.
skipPPCSetup = true;
}
replace_filesize = 0; // unknown
replace_fileoffset = 0;
} else if (strncmp(request->name, "safe.rpx", strlen("safe.rpx")) == 0) {
if (request->pos == 0) {
didrpxfirstchunk = false;
}
// if we don't explicitly replace files, we do want replace the Health and Safety app with the HBL
if (!doWantReplaceRPX) {
if (request->pos == 0 && !doWantReplaceRPX) {
replace_path = "wiiu/apps/homebrew_launcher/homebrew_launcher.rpx";
replace_target = LOAD_FILE_TARGET_SD_CARD;
//doWantReplaceXML = false;
@ -97,22 +84,20 @@ int _MCP_LoadFile_patch(ipcmessage *msg) {
replace_filesize = 0; // unknown
replace_fileoffset = 0;
}
}else{
doWantReplaceRPX = false; // Only replace it once.
replace_path = NULL;
return real_MCP_LoadFile(msg);
}
if (replace_path != NULL && strlen(replace_path) > 0) {
if (!didrpxfirstchunk || request->pos > 0) {
doWantReplaceRPX = false; // Only replace it once.
int result = MCP_LoadCustomFile(replace_target, replace_path, replace_filesize, replace_fileoffset, msg->ioctl.buffer_io, msg->ioctl.length_io, request->pos);
doWantReplaceRPX = false; // Only replace it once.
int result = MCP_LoadCustomFile(replace_target, replace_path, replace_filesize, replace_fileoffset, msg->ioctl.buffer_io, msg->ioctl.length_io, request->pos);
if (result >= 0) {
if (request->pos == 0) {
didrpxfirstchunk = true;
}
return result;
} else {
// TODO, what happens if we already replaced the app/cos xml files and then the loading fails?
}
if (result >= 0) {
return result;
}
}
return real_MCP_LoadFile(msg);
@ -271,7 +256,6 @@ int _MCP_ioctl100_patch(ipcmessage *msg) {
rep_filesize = filesize;
rep_fileoffset = fileoffset;
didrpxfirstchunk = false;
doWantReplaceRPX = true;
//doWantReplaceXML = true;