WUMSLoader/source/main.cpp
2021-09-23 18:38:29 +02:00

156 lines
6.1 KiB
C++

#include <cstring>
#include <elfio/elfio.hpp>
#include <proc_ui/procui.h>
#include <sysapp/launch.h>
#include <coreinit/foreground.h>
#include <coreinit/cache.h>
#include <nn/act/client_cpp.h>
#include <coreinit/dynload.h>
#include <whb/log_udp.h>
#include <vector>
#include "fs/DirList.h"
#include "module/ModuleDataPersistence.h"
#include "module/ModuleDataFactory.h"
#include "ElfUtils.h"
#include "kernel.h"
#include "globals.h"
bool CheckRunning() {
switch (ProcUIProcessMessages(true)) {
case PROCUI_STATUS_EXITING: {
return false;
}
case PROCUI_STATUS_RELEASE_FOREGROUND: {
ProcUIDrawDoneRelease();
break;
}
case PROCUI_STATUS_IN_FOREGROUND: {
break;
}
case PROCUI_STATUS_IN_BACKGROUND:
default:
break;
}
return true;
}
extern "C" uint32_t textStart();
extern "C" void _SYSLaunchMenuWithCheckingAccount(nn::act::SlotNo slot);
bool doRelocation(std::vector<RelocationData> &relocData, relocation_trampolin_entry_t *tramp_data, uint32_t tramp_length) {
for (auto const &curReloc: relocData) {
std::string functionName = curReloc.getName();
std::string rplName = curReloc.getImportRPLInformation().getName();
int32_t isData = curReloc.getImportRPLInformation().isData();
OSDynLoad_Module rplHandle = nullptr;
if (OSDynLoad_IsModuleLoaded(rplName.c_str(), &rplHandle) != OS_DYNLOAD_OK) {
// only acquire if not already loaded.
OSDynLoad_Acquire(rplName.c_str(), &rplHandle);
}
uint32_t functionAddress = 0;
OSDynLoad_FindExport(rplHandle, isData, functionName.c_str(), (void **) &functionAddress);
if (functionAddress == 0) {
return false;
}
if (!ElfUtils::elfLinkOne(curReloc.getType(), curReloc.getOffset(), curReloc.getAddend(), (uint32_t) curReloc.getDestination(), functionAddress, tramp_data, tramp_length, RELOC_TYPE_IMPORT)) {
DEBUG_FUNCTION_LINE("Relocation failed\n");
return false;
}
}
DCFlushRange(tramp_data, tramp_length * sizeof(relocation_trampolin_entry_t));
ICInvalidateRange(tramp_data, tramp_length * sizeof(relocation_trampolin_entry_t));
return true;
}
int main(int argc, char **argv) {
WHBLogUdpInit();
// 0x100 because before the .text section is a .init section
// Currently the size of the .init is ~ 0x24 bytes. We substract 0x100 to be safe.
uint32_t textSectionStart = textStart() - 0x1000;
DirList setupModules("fs:/vol/external01/wiiu/modules/setup", ".rpx", DirList::Files, 1);
setupModules.SortList();
for (int i = 0; i < setupModules.GetFilecount(); i++) {
uint32_t destination_address = ((uint32_t) gModuleData + (sizeof(module_information_t) + 0x0000FFFF)) & 0xFFFF0000;
memset((void *) gModuleData, 0, sizeof(module_information_t));
DEBUG_FUNCTION_LINE("Trying to run %s", setupModules.GetFilepath(i));
std::optional<ModuleData> moduleData = ModuleDataFactory::load(setupModules.GetFilepath(i), &destination_address, textSectionStart - destination_address, gModuleData->trampolines,
DYN_LINK_TRAMPOLIN_LIST_LENGTH);
if (!moduleData) {
DEBUG_FUNCTION_LINE("Failed to load %s", setupModules.GetFilepath(i));
continue;
}
DEBUG_FUNCTION_LINE("Loaded module data");
std::vector<RelocationData> relocData = moduleData->getRelocationDataList();
if (!doRelocation(relocData, gModuleData->trampolines, DYN_LINK_TRAMPOLIN_LIST_LENGTH)) {
DEBUG_FUNCTION_LINE("relocations failed\n");
}
if (moduleData->getBSSAddr() != 0) {
DEBUG_FUNCTION_LINE("memset .bss %08X (%d)", moduleData->getBSSAddr(), moduleData->getBSSSize());
memset((void *) moduleData->getBSSAddr(), 0, moduleData->getBSSSize());
}
if (moduleData->getSBSSAddr() != 0) {
DEBUG_FUNCTION_LINE("memset .sbss %08X (%d)", moduleData->getSBSSAddr(), moduleData->getSBSSSize());
memset((void *) moduleData->getSBSSAddr(), 0, moduleData->getSBSSSize());
}
DCFlushRange((void *) MEMORY_REGION_START, MEMORY_REGION_SIZE);
ICInvalidateRange((void *) MEMORY_REGION_START, MEMORY_REGION_SIZE);
DEBUG_FUNCTION_LINE("Calling %08X", moduleData->getEntrypoint());
((int (*)(int, char **)) moduleData->getEntrypoint())(argc, argv);
DEBUG_FUNCTION_LINE("Back from module");
}
memset((void *) gModuleData, 0, sizeof(module_information_t));
gModuleData->version = MODULE_INFORMATION_VERSION;
DirList modules("fs:/vol/external01/wiiu/modules", ".wms", DirList::Files, 1);
modules.SortList();
uint32_t destination_address = ((uint32_t) gModuleData + (sizeof(module_information_t) + 0x0000FFFF)) & 0xFFFF0000;
for (int i = 0; i < modules.GetFilecount(); i++) {
DEBUG_FUNCTION_LINE("Loading module %s", modules.GetFilepath(i));
std::optional<ModuleData> moduleData = ModuleDataFactory::load(modules.GetFilepath(i), &destination_address, MEMORY_REGION_USABLE_END - destination_address, gModuleData->trampolines,
DYN_LINK_TRAMPOLIN_LIST_LENGTH);
if (moduleData) {
DEBUG_FUNCTION_LINE("Successfully loaded %s", modules.GetFilepath(i));
ModuleDataPersistence::saveModuleData(gModuleData, moduleData.value());
} else {
DEBUG_FUNCTION_LINE("Failed to load %s", modules.GetFilepath(i));
}
}
SetupRelocator();
WHBLogUdpDeinit();
ProcUIInit(OSSavesDone_ReadyToRelease);
nn::act::Initialize();
nn::act::SlotNo slot = nn::act::GetSlotNo();
nn::act::SlotNo defaultSlot = nn::act::GetDefaultAccount();
nn::act::Finalize();
if (defaultSlot) { //normal menu boot
SYSLaunchMenu();
} else { //show mii select
_SYSLaunchMenuWithCheckingAccount(slot);
}
while (CheckRunning()) {
// wait.
OSSleepTicks(OSMillisecondsToTicks(100));
}
ProcUIShutdown();
return 0;
}