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ppsspp/Core/HLE/sceKernelModule.cpp

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// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <fstream>
#include <algorithm>
#include <set>
#include "native/base/stringutil.h"
#include "Common/FileUtil.h"
#include "Core/HLE/HLE.h"
#include "Core/HLE/HLETables.h"
#include "Core/Reporting.h"
#include "Core/Host.h"
#include "Core/MIPS/MIPS.h"
#include "Core/MIPS/MIPSAnalyst.h"
#include "Core/ELF/ElfReader.h"
#include "Core/ELF/PBPReader.h"
#include "Core/ELF/PrxDecrypter.h"
#include "Core/FileSystems/FileSystem.h"
#include "Core/FileSystems/MetaFileSystem.h"
#include "Core/Util/BlockAllocator.h"
#include "Core/CoreTiming.h"
#include "Core/PSPLoaders.h"
#include "Core/System.h"
#include "Core/MemMap.h"
#include "Core/Debugger/SymbolMap.h"
#include "Core/MIPS/MIPS.h"
#include "Core/HLE/sceKernel.h"
#include "Core/HLE/sceKernelModule.h"
#include "Core/HLE/sceKernelThread.h"
#include "Core/HLE/sceKernelMemory.h"
#include "Core/HLE/sceIo.h"
#include "Core/HLE/KernelWaitHelpers.h"
enum {
PSP_THREAD_ATTR_USER = 0x80000000
};
enum {
// Function exports.
NID_MODULE_START = 0xD632ACDB,
NID_MODULE_STOP = 0xCEE8593C,
NID_MODULE_REBOOT_BEFORE = 0x2F064FA6,
NID_MODULE_REBOOT_PHASE = 0xADF12745,
NID_MODULE_BOOTSTART = 0xD3744BE0,
// Variable exports.
NID_MODULE_INFO = 0xF01D73A7,
NID_MODULE_START_THREAD_PARAMETER = 0x0F7C276C,
NID_MODULE_STOP_THREAD_PARAMETER = 0xCF0CC697,
NID_MODULE_REBOOT_BEFORE_THREAD_PARAMETER = 0xF4F4299D,
NID_MODULE_SDK_VERSION = 0x11B97506,
};
// This is a workaround for misbehaving homebrew (like TBL's Suicide Barbie (Final)).
static const char *lieAboutSuccessModules[] = {
"flash0:/kd/audiocodec.prx",
"flash0:/kd/libatrac3plus.prx",
"disc0:/PSP_GAME/SYSDIR/UPDATE/EBOOT.BIN",
};
static const char *blacklistedModules[] = {
"sceATRAC3plus_Library",
"sceFont_Library",
"SceFont_Library",
"SceHttp_Library",
"sceMpeg_library",
"sceNetAdhocctl_Library",
"sceNetAdhocDownload_Library",
"sceNetAdhocMatching_Library",
"sceNetApDialogDummy_Library",
"sceNetAdhoc_Library",
"sceNetApctl_Library",
"sceNetInet_Library",
"sceNetResolver_Library",
"sceNet_Library",
"sceSsl_Module",
};
struct VarSymbolImport {
char moduleName[KERNELOBJECT_MAX_NAME_LENGTH + 1];
u32 nid;
u32 stubAddr;
u8 type;
};
struct VarSymbolExport {
bool Matches(const VarSymbolImport &other) const {
return !strncmp(moduleName, other.moduleName, KERNELOBJECT_MAX_NAME_LENGTH) && nid == other.nid;
}
char moduleName[KERNELOBJECT_MAX_NAME_LENGTH + 1];
u32 nid;
u32 symAddr;
};
struct FuncSymbolImport {
char moduleName[KERNELOBJECT_MAX_NAME_LENGTH + 1];
u32 stubAddr;
u32 nid;
};
struct FuncSymbolExport {
bool Matches(const FuncSymbolImport &other) const {
return !strncmp(moduleName, other.moduleName, KERNELOBJECT_MAX_NAME_LENGTH) && nid == other.nid;
}
char moduleName[KERNELOBJECT_MAX_NAME_LENGTH + 1];
u32 symAddr;
u32 nid;
};
void ImportVarSymbol(const VarSymbolImport &var);
void ExportVarSymbol(const VarSymbolExport &var);
void UnexportVarSymbol(const VarSymbolExport &var);
void ImportFuncSymbol(const FuncSymbolImport &func);
void ExportFuncSymbol(const FuncSymbolExport &func);
void UnexportFuncSymbol(const FuncSymbolExport &func);
struct NativeModule {
u32_le next;
u16_le attribute;
u8 version[2];
char name[28];
u32_le status;
u32_le unk1;
u32_le usermod_thid;
u32_le memid;
u32_le mpidtext;
u32_le mpiddata;
u32_le ent_top;
u32_le ent_size;
u32_le stub_top;
u32_le stub_size;
u32_le module_start_func;
u32_le module_stop_func;
u32_le module_bootstart_func;
u32_le module_reboot_before_func;
u32_le module_reboot_phase_func;
u32_le entry_addr;
u32_le gp_value;
u32_le text_addr;
u32_le text_size;
u32_le data_size;
u32_le bss_size;
u32_le nsegment;
u32_le segmentaddr[4];
u32_le segmentsize[4];
u32_le module_start_thread_priority;
u32_le module_start_thread_stacksize;
u32_le module_start_thread_attr;
u32_le module_stop_thread_priority;
u32_le module_stop_thread_stacksize;
u32_le module_stop_thread_attr;
u32_le module_reboot_before_thread_priority;
u32_le module_reboot_before_thread_stacksize;
u32_le module_reboot_before_thread_attr;
};
// by QueryModuleInfo
struct ModuleInfo {
u32_le nsegment;
u32_le segmentaddr[4];
u32_le segmentsize[4];
u32_le entry_addr;
u32_le gp_value;
u32_le text_addr;
u32_le text_size;
u32_le data_size;
u32_le bss_size;
u16_le attribute;
u8 version[2];
char name[28];
};
struct ModuleWaitingThread
{
SceUID threadID;
u32 statusPtr;
};
class Module : public KernelObject
{
public:
Module() : memoryBlockAddr(0), isFake(false), isStarted(false) {}
~Module() {
if (memoryBlockAddr) {
userMemory.Free(memoryBlockAddr);
}
}
const char *GetName() {return nm.name;}
const char *GetTypeName() {return "Module";}
void GetQuickInfo(char *ptr, int size)
{
// ignore size
sprintf(ptr, "%sname=%s gp=%08x entry=%08x",
isFake ? "faked " : "",
nm.name,
nm.gp_value,
nm.entry_addr);
}
static u32 GetMissingErrorCode() { return SCE_KERNEL_ERROR_UNKNOWN_MODULE; }
static int GetStaticIDType() { return PPSSPP_KERNEL_TMID_Module; }
int GetIDType() const { return PPSSPP_KERNEL_TMID_Module; }
virtual void DoState(PointerWrap &p)
{
auto s = p.Section("Module", 1);
if (!s)
return;
p.Do(nm);
p.Do(memoryBlockAddr);
p.Do(memoryBlockSize);
p.Do(isFake);
p.Do(isStarted);
ModuleWaitingThread mwt = {0};
p.Do(waitingThreads, mwt);
FuncSymbolExport fsx = {0};
p.Do(exportedFuncs, fsx);
FuncSymbolImport fsi = {0};
p.Do(importedFuncs, fsi);
VarSymbolExport vsx = {0};
p.Do(exportedVars, vsx);
VarSymbolImport vsi = {0};
p.Do(importedVars, vsi);
RebuildImpExpModuleNames();
}
// We don't do this in the destructor to avoid annoying messages on game shutdown.
void Cleanup();
void ImportFunc(const FuncSymbolImport &func) {
if (!Memory::IsValidAddress(func.stubAddr)) {
WARN_LOG_REPORT(LOADER, "Invalid address for syscall stub %s %08x", func.moduleName, func.nid);
return;
}
DEBUG_LOG(LOADER, "Importing %s : %08x", GetFuncName(func.moduleName, func.nid), func.stubAddr);
// Add the symbol to the symbol map for debugging.
char temp[256];
sprintf(temp,"zz_%s", GetFuncName(func.moduleName, func.nid));
symbolMap.AddSymbol(temp, func.stubAddr, 8, ST_FUNCTION);
// Keep track and actually hook it up if possible.
importedFuncs.push_back(func);
impExpModuleNames.insert(func.moduleName);
ImportFuncSymbol(func);
}
void ImportVar(const VarSymbolImport &var) {
// Keep track and actually hook it up if possible.
importedVars.push_back(var);
impExpModuleNames.insert(var.moduleName);
ImportVarSymbol(var);
}
void ExportFunc(const FuncSymbolExport &func) {
exportedFuncs.push_back(func);
impExpModuleNames.insert(func.moduleName);
ExportFuncSymbol(func);
}
void ExportVar(const VarSymbolExport &var) {
exportedVars.push_back(var);
impExpModuleNames.insert(var.moduleName);
ExportVarSymbol(var);
}
template <typename T>
void RebuildImpExpList(const std::vector<T> &list) {
for (size_t i = 0; i < list.size(); ++i) {
impExpModuleNames.insert(list[i].moduleName);
}
}
void RebuildImpExpModuleNames() {
impExpModuleNames.clear();
RebuildImpExpList(exportedFuncs);
RebuildImpExpList(importedFuncs);
RebuildImpExpList(exportedVars);
RebuildImpExpList(importedVars);
}
bool ImportsOrExportsModuleName(const std::string &moduleName) {
return impExpModuleNames.find(moduleName) != impExpModuleNames.end();
}
NativeModule nm;
std::vector<ModuleWaitingThread> waitingThreads;
std::vector<FuncSymbolExport> exportedFuncs;
std::vector<FuncSymbolImport> importedFuncs;
std::vector<VarSymbolExport> exportedVars;
std::vector<VarSymbolImport> importedVars;
std::set<std::string> impExpModuleNames;
u32 memoryBlockAddr;
u32 memoryBlockSize;
bool isFake;
// Probably one of the NativeModule fields, but not sure...
bool isStarted;
};
KernelObject *__KernelModuleObject()
{
return new Module;
}
class AfterModuleEntryCall : public Action {
public:
AfterModuleEntryCall() {}
SceUID moduleID_;
u32 retValAddr;
virtual void run(MipsCall &call);
virtual void DoState(PointerWrap &p) {
auto s = p.Section("AfterModuleEntryCall", 1);
if (!s)
return;
p.Do(moduleID_);
p.Do(retValAddr);
}
static Action *Create() {
return new AfterModuleEntryCall;
}
};
void AfterModuleEntryCall::run(MipsCall &call) {
Memory::Write_U32(retValAddr, currentMIPS->r[2]);
}
//////////////////////////////////////////////////////////////////////////
// MODULES
//////////////////////////////////////////////////////////////////////////
struct StartModuleInfo
{
u32_le size;
u32_le mpidtext;
u32_le mpiddata;
u32_le threadpriority;
u32_le threadattributes;
};
struct SceKernelLMOption {
SceSize_le size;
SceUID_le mpidtext;
SceUID_le mpiddata;
u32_le flags;
char position;
char access;
char creserved[2];
};
struct SceKernelSMOption {
SceSize_le size;
SceUID_le mpidstack;
SceSize_le stacksize;
s32_le priority;
u32_le attribute;
};
//////////////////////////////////////////////////////////////////////////
// STATE BEGIN
static int actionAfterModule;
static std::set<SceUID> loadedModules;
// STATE END
//////////////////////////////////////////////////////////////////////////
void __KernelModuleInit()
{
actionAfterModule = __KernelRegisterActionType(AfterModuleEntryCall::Create);
}
void __KernelModuleDoState(PointerWrap &p)
{
auto s = p.Section("sceKernelModule", 1);
if (!s)
return;
p.Do(actionAfterModule);
__KernelRestoreActionType(actionAfterModule, AfterModuleEntryCall::Create);
}
void __KernelModuleShutdown()
{
loadedModules.clear();
MIPSAnalyst::Shutdown();
}
// Sometimes there are multiple LO16's or HI16's per pair, even though the ABI says nothing of this.
// For multiple LO16's, we need the original (unrelocated) instruction data of the HI16.
// For multiple HI16's, we just need to set each one.
struct HI16RelocInfo
{
u32 addr;
u32 data;
};
void WriteVarSymbol(u32 exportAddress, u32 relocAddress, u8 type, bool reverse = false)
{
// We have to post-process the HI16 part, since it might be +1 or not depending on the LO16 value.
static u32 lastHI16ExportAddress = 0;
static std::vector<HI16RelocInfo> lastHI16Relocs;
static bool lastHI16Processed = true;
u32 relocData = Memory::Read_Instruction(relocAddress).encoding;
switch (type)
{
case R_MIPS_NONE:
WARN_LOG_REPORT(LOADER, "Var relocation type NONE - %08x => %08x", exportAddress, relocAddress);
break;
case R_MIPS_32:
if (!reverse) {
relocData += exportAddress;
} else {
relocData -= exportAddress;
}
break;
// Not really tested, but should work...
/*
case R_MIPS_26:
if (exportAddress % 4 || (exportAddress >> 28) != ((relocAddress + 4) >> 28)) {
WARN_LOG_REPORT(LOADER, "Bad var relocation addresses for type 26 - %08x => %08x", exportAddress, relocAddress)
} else {
if (!reverse) {
relocData = (relocData & ~0x03ffffff) | ((relocData + (exportAddress >> 2)) & 0x03ffffff);
} else {
relocData = (relocData & ~0x03ffffff) | ((relocData - (exportAddress >> 2)) & 0x03ffffff);
}
}
break;
*/
case R_MIPS_HI16:
if (lastHI16ExportAddress != exportAddress) {
if (!lastHI16Processed && lastHI16Relocs.size() >= 1) {
WARN_LOG_REPORT(LOADER, "Unsafe unpaired HI16 variable relocation @ %08x / %08x", lastHI16Relocs[lastHI16Relocs.size() - 1].addr, relocAddress);
}
lastHI16ExportAddress = exportAddress;
lastHI16Relocs.clear();
}
// After this will be an R_MIPS_LO16. If that addition overflows, we need to account for it in HI16.
// The R_MIPS_LO16 and R_MIPS_HI16 will often be *different* relocAddress values.
HI16RelocInfo reloc;
reloc.addr = relocAddress;
reloc.data = Memory::Read_Instruction(relocAddress).encoding;
lastHI16Relocs.push_back(reloc);
lastHI16Processed = false;
break;
case R_MIPS_LO16:
{
// Sign extend the existing low value (e.g. from addiu.)
const u32 exportOffsetLo = exportAddress + (s16)(u16)(relocData & 0xFFFF);
u32 full = exportOffsetLo;
// The ABI requires that these come in pairs, at least.
if (lastHI16Relocs.empty()) {
ERROR_LOG_REPORT(LOADER, "LO16 without any HI16 variable import at %08x for %08x", relocAddress, exportAddress)
// Try to process at least the low relocation...
} else if (lastHI16ExportAddress != exportAddress) {
ERROR_LOG_REPORT(LOADER, "HI16 and LO16 imports do not match at %08x for %08x (should be %08x)", relocAddress, lastHI16ExportAddress, exportAddress)
} else {
// Process each of the HI16. Usually there's only one.
for (auto it = lastHI16Relocs.begin(), end = lastHI16Relocs.end(); it != end; ++it)
{
if (!reverse) {
full = (it->data << 16) + exportOffsetLo;
} else {
full = (it->data << 16) - exportOffsetLo;
}
// The low instruction will be a signed add, which means (full & 0x8000) will subtract.
// We add 1 in that case so that it ends up the right value.
u16 high = (full >> 16) + ((full & 0x8000) ? 1 : 0);
Memory::Write_U32((it->data & ~0xFFFF) | high, it->addr);
}
lastHI16Processed = true;
}
// With full set above (hopefully), now we just need to correct the low instruction.
relocData = (relocData & ~0xFFFF) | (full & 0xFFFF);
}
break;
default:
WARN_LOG_REPORT(LOADER, "Unsupported var relocation type %d - %08x => %08x", type, exportAddress, relocAddress);
}
Memory::Write_U32(relocData, relocAddress);
currentMIPS->InvalidateICache(relocAddress, 4);
}
void ImportVarSymbol(const VarSymbolImport &var) {
if (var.nid == 0) {
// TODO: What's the right thing for this?
ERROR_LOG_REPORT(LOADER, "Var import with nid = 0, type = %d", var.type);
return;
}
if (!Memory::IsValidAddress(var.stubAddr)) {
ERROR_LOG_REPORT(LOADER, "Invalid address for var import nid = %08x, type = %d, addr = %08x", var.nid, var.type, var.stubAddr);
return;
}
u32 error;
for (auto mod = loadedModules.begin(), modend = loadedModules.end(); mod != modend; ++mod) {
Module *module = kernelObjects.Get<Module>(*mod, error);
if (!module || !module->ImportsOrExportsModuleName(var.moduleName)) {
continue;
}
// Look for exports currently loaded modules already have. Maybe it's available?
for (auto it = module->exportedVars.begin(), end = module->exportedVars.end(); it != end; ++it) {
if (it->Matches(var)) {
WriteVarSymbol(it->symAddr, var.stubAddr, var.type);
return;
}
}
}
// It hasn't been exported yet, but hopefully it will later.
INFO_LOG(LOADER, "Variable (%s,%08x) unresolved, storing for later resolving", var.moduleName, var.nid);
}
void ExportVarSymbol(const VarSymbolExport &var) {
u32 error;
for (auto mod = loadedModules.begin(), modend = loadedModules.end(); mod != modend; ++mod) {
Module *module = kernelObjects.Get<Module>(*mod, error);
if (!module || !module->ImportsOrExportsModuleName(var.moduleName)) {
continue;
}
// Look for imports currently loaded modules already have, hook it up right away.
for (auto it = module->importedVars.begin(), end = module->importedVars.end(); it != end; ++it) {
if (var.Matches(*it)) {
INFO_LOG(LOADER, "Resolving var %s/%08x", var.moduleName, var.nid);
WriteVarSymbol(var.symAddr, it->stubAddr, it->type);
}
}
}
}
void UnexportVarSymbol(const VarSymbolExport &var) {
u32 error;
for (auto mod = loadedModules.begin(), modend = loadedModules.end(); mod != modend; ++mod) {
Module *module = kernelObjects.Get<Module>(*mod, error);
if (!module || !module->ImportsOrExportsModuleName(var.moduleName)) {
continue;
}
// Look for imports modules that are *still* loaded have, and reverse them.
for (auto it = module->importedVars.begin(), end = module->importedVars.end(); it != end; ++it) {
if (var.Matches(*it)) {
INFO_LOG(LOADER, "Unresolving var %s/%08x", var.moduleName, var.nid);
WriteVarSymbol(var.symAddr, it->stubAddr, it->type, true);
}
}
}
}
void ImportFuncSymbol(const FuncSymbolImport &func) {
// Prioritize HLE implementations.
// TODO: Or not?
if (FuncImportIsSyscall(func.moduleName, func.nid)) {
WriteSyscall(func.moduleName, func.nid, func.stubAddr);
currentMIPS->InvalidateICache(func.stubAddr, 8);
return;
}
u32 error;
for (auto mod = loadedModules.begin(), modend = loadedModules.end(); mod != modend; ++mod) {
Module *module = kernelObjects.Get<Module>(*mod, error);
if (!module || !module->ImportsOrExportsModuleName(func.moduleName)) {
continue;
}
// Look for exports currently loaded modules already have. Maybe it's available?
for (auto it = module->exportedFuncs.begin(), end = module->exportedFuncs.end(); it != end; ++it) {
if (it->Matches(func)) {
WriteFuncStub(func.stubAddr, it->symAddr);
currentMIPS->InvalidateICache(func.stubAddr, 8);
return;
}
}
}
// It hasn't been exported yet, but hopefully it will later.
if (GetModuleIndex(func.moduleName) != -1) {
WARN_LOG_REPORT(LOADER, "Unknown syscall in known module: %s 0x%08x", func.moduleName, func.nid);
} else {
INFO_LOG(LOADER, "Function (%s,%08x) unresolved, storing for later resolving", func.moduleName, func.nid);
}
WriteFuncMissingStub(func.stubAddr, func.nid);
currentMIPS->InvalidateICache(func.stubAddr, 8);
}
void ExportFuncSymbol(const FuncSymbolExport &func) {
if (FuncImportIsSyscall(func.moduleName, func.nid)) {
// Oops, HLE covers this.
WARN_LOG_REPORT(LOADER, "Ignoring func export %s/%08x, already implemented in HLE.", func.moduleName, func.nid);
return;
}
u32 error;
for (auto mod = loadedModules.begin(), modend = loadedModules.end(); mod != modend; ++mod) {
Module *module = kernelObjects.Get<Module>(*mod, error);
if (!module || !module->ImportsOrExportsModuleName(func.moduleName)) {
continue;
}
// Look for imports currently loaded modules already have, hook it up right away.
for (auto it = module->importedFuncs.begin(), end = module->importedFuncs.end(); it != end; ++it) {
if (func.Matches(*it)) {
INFO_LOG(LOADER, "Resolving function %s/%08x", func.moduleName, func.nid);
WriteFuncStub(it->stubAddr, func.symAddr);
currentMIPS->InvalidateICache(it->stubAddr, 8);
}
}
}
}
void UnexportFuncSymbol(const FuncSymbolExport &func) {
if (FuncImportIsSyscall(func.moduleName, func.nid)) {
// Oops, HLE covers this.
return;
}
u32 error;
for (auto mod = loadedModules.begin(), modend = loadedModules.end(); mod != modend; ++mod) {
Module *module = kernelObjects.Get<Module>(*mod, error);
if (!module || !module->ImportsOrExportsModuleName(func.moduleName)) {
continue;
}
// Look for imports modules that are *still* loaded have, and write back stubs.
for (auto it = module->importedFuncs.begin(), end = module->importedFuncs.end(); it != end; ++it) {
if (func.Matches(*it)) {
INFO_LOG(LOADER, "Unresolving function %s/%08x", func.moduleName, func.nid);
WriteFuncMissingStub(it->stubAddr, it->nid);
currentMIPS->InvalidateICache(it->stubAddr, 8);
}
}
}
}
void Module::Cleanup() {
loadedModules.erase(GetUID());
for (auto it = exportedVars.begin(), end = exportedVars.end(); it != end; ++it) {
UnexportVarSymbol(*it);
}
for (auto it = exportedFuncs.begin(), end = exportedFuncs.end(); it != end; ++it) {
UnexportFuncSymbol(*it);
}
}
Module *__KernelLoadELFFromPtr(const u8 *ptr, u32 loadAddress, std::string *error_string, u32 *magic) {
Module *module = new Module;
kernelObjects.Create(module);
loadedModules.insert(module->GetUID());
memset(&module->nm, 0, sizeof(module->nm));
u8 *newptr = 0;
u32_le *magicPtr = (u32_le *) ptr;
if (*magicPtr == 0x4543537e) { // "~SCE"
INFO_LOG(SCEMODULE, "~SCE module, skipping header");
ptr += *(u32_le*)(ptr + 4);
magicPtr = (u32_le *)ptr;
}
*magic = *magicPtr;
if (*magic == 0x5053507e) { // "~PSP"
INFO_LOG(SCEMODULE, "Decrypting ~PSP file");
PSP_Header *head = (PSP_Header*)ptr;
const u8 *in = ptr;
u32 size = head->elf_size;
if (head->psp_size > size)
{
size = head->psp_size;
}
newptr = new u8[head->elf_size + head->psp_size];
ptr = newptr;
magicPtr = (u32_le *)ptr;
int ret = pspDecryptPRX(in, (u8*)ptr, head->psp_size);
if (ret == MISSING_KEY) {
// This should happen for all "kernel" modules so disabling.
// Reporting::ReportMessage("Missing PRX decryption key!");
*error_string = "Missing key";
delete [] newptr;
module->isFake = true;
strncpy(module->nm.name, head->modname, 28);
module->nm.entry_addr = -1;
module->nm.gp_value = -1;
return module;
}
else if (ret <= 0)
{
ERROR_LOG(SCEMODULE, "Failed decrypting PRX! That's not normal! ret = %i\n", ret);
Reporting::ReportMessage("Failed decrypting the PRX (ret = %i, size = %i, psp_size = %i)!", ret, head->elf_size, head->psp_size);
// Fall through to safe exit in the next check.
}
}
// DO NOT change to else if, see above.
if (*magicPtr != 0x464c457f) {
ERROR_LOG_REPORT(SCEMODULE, "Wrong magic number %08x", *magicPtr);
*error_string = "File corrupt";
if (newptr)
delete [] newptr;
module->Cleanup();
kernelObjects.Destroy<Module>(module->GetUID());
return 0;
}
// Open ELF reader
ElfReader reader((void*)ptr);
int result = reader.LoadInto(loadAddress);
if (result != SCE_KERNEL_ERROR_OK) {
ERROR_LOG(SCEMODULE, "LoadInto failed with error %08x",result);
if (newptr)
delete [] newptr;
module->Cleanup();
kernelObjects.Destroy<Module>(module->GetUID());
return 0;
}
module->memoryBlockAddr = reader.GetVaddr();
module->memoryBlockSize = reader.GetTotalSize();
struct PspModuleInfo
{
// 0, 0, 1, 1 ?
u16_le moduleAttrs; //0x0000 User Mode, 0x1000 Kernel Mode
u16_le moduleVersion;
// 28 bytes of module name, packed with 0's.
char name[28];
u32_le gp; // ptr to MIPS GOT data (global offset table)
u32_le libent; // ptr to .lib.ent section
u32_le libentend; // ptr to end of .lib.ent section
u32_le libstub; // ptr to .lib.stub section
u32_le libstubend; // ptr to end of .lib.stub section
};
SectionID sceModuleInfoSection = reader.GetSectionByName(".rodata.sceModuleInfo");
PspModuleInfo *modinfo;
if (sceModuleInfoSection != -1)
modinfo = (PspModuleInfo *)Memory::GetPointer(reader.GetSectionAddr(sceModuleInfoSection));
else
modinfo = (PspModuleInfo *)Memory::GetPointer(reader.GetSegmentVaddr(0) + (reader.GetSegmentPaddr(0) & 0x7FFFFFFF) - reader.GetSegmentOffset(0));
module->nm.gp_value = modinfo->gp;
strncpy(module->nm.name, modinfo->name, 28);
// Check for module blacklist - we don't allow games to load these modules from disc
// as we have HLE implementations and the originals won't run in the emu because they
// directly access hardware or for other reasons.
for (u32 i = 0; i < ARRAY_SIZE(blacklistedModules); i++) {
if (strcmp(modinfo->name, blacklistedModules[i]) == 0) {
*error_string = "Blacklisted";
if (newptr)
{
delete [] newptr;
}
module->isFake = true;
module->nm.entry_addr = -1;
return module;
}
}
SectionID textSection = reader.GetSectionByName(".text");
if (textSection != -1) {
u32 textStart = reader.GetSectionAddr(textSection);
u32 textSize = reader.GetSectionSize(textSection);
#if !defined(USING_GLES2)
if (!reader.LoadSymbols())
MIPSAnalyst::ScanForFunctions(textStart, textStart+textSize);
#endif
}
INFO_LOG(LOADER,"Module %s: %08x %08x %08x", modinfo->name, modinfo->gp, modinfo->libent,modinfo->libstub);
struct PspLibStubEntry
{
u32_le name;
u16_le version;
u16_le flags;
u8 size;
u8 numVars;
u16_le numFuncs;
// each symbol has an associated nid; nidData is a pointer
// (in .rodata.sceNid section) to an array of longs, one
// for each function, which identifies the function whose
// address is to be inserted.
//
// The hash is the first 4 bytes of a SHA-1 hash of the function
// name. (Represented as a little-endian long, so the order
// of the bytes is reversed.)
u32_le nidData;
// the address of the function stubs where the function address jumps
// should be filled in
u32_le firstSymAddr;
// Optional, this is where var relocations are.
// They use the format: u32 addr, u32 nid, ...
// WARNING: May have garbage if size < 6.
u32_le varData;
// Not sure what this is yet, assume garbage for now.
// TODO: Tales of the World: Radiant Mythology 2 has something here?
u32_le extra;
};
DEBUG_LOG(LOADER,"===================================================");
u32_le *entryPos = (u32_le *)Memory::GetPointer(modinfo->libstub);
u32_le *entryEnd = (u32_le *)Memory::GetPointer(modinfo->libstubend);
bool needReport = false;
while (entryPos < entryEnd) {
PspLibStubEntry *entry = (PspLibStubEntry *)entryPos;
entryPos += entry->size;
const char *modulename;
if (Memory::IsValidAddress(entry->name)) {
modulename = Memory::GetCharPointer(entry->name);
} else {
modulename = "(invalidname)";
needReport = true;
}
DEBUG_LOG(LOADER, "Importing Module %s, stubs at %08x", modulename, entry->firstSymAddr);
if (entry->size != 5 && entry->size != 6) {
if (entry->size != 7) {
WARN_LOG_REPORT(LOADER, "Unexpected module entry size %d", entry->size);
needReport = true;
} else if (entry->extra != 0) {
WARN_LOG_REPORT(LOADER, "Unexpected module entry with non-zero 7th value %08x", entry->extra);
needReport = true;
}
}
// If nidData is 0, only variables are being imported.
if (entry->nidData != 0) {
if (!Memory::IsValidAddress(entry->nidData)) {
ERROR_LOG_REPORT(LOADER, "Crazy nidData address %08x, skipping entire module", entry->nidData);
needReport = true;
continue;
}
FuncSymbolImport func;
strncpy(func.moduleName, modulename, KERNELOBJECT_MAX_NAME_LENGTH);
func.moduleName[KERNELOBJECT_MAX_NAME_LENGTH] = '\0';
u32_le *nidDataPtr = (u32_le *)Memory::GetPointer(entry->nidData);
for (int i = 0; i < entry->numFuncs; ++i) {
// This is the id of the import.
func.nid = nidDataPtr[i];
// This is the address to write the j abnd delay slot to.
func.stubAddr = entry->firstSymAddr + i * 8;
module->ImportFunc(func);
}
} else if (entry->numFuncs > 0) {
WARN_LOG_REPORT(LOADER, "Module entry with %d imports but no valid address", entry->numFuncs);
needReport = true;
}
if (entry->varData != 0) {
if (!Memory::IsValidAddress(entry->varData)) {
ERROR_LOG_REPORT(LOADER, "Crazy varData address %08x, skipping rest of module", entry->varData);
needReport = true;
continue;
}
VarSymbolImport var;
strncpy(var.moduleName, modulename, KERNELOBJECT_MAX_NAME_LENGTH);
var.moduleName[KERNELOBJECT_MAX_NAME_LENGTH] = '\0';
for (int i = 0; i < entry->numVars; ++i) {
u32 varRefsPtr = Memory::Read_U32(entry->varData + i * 8);
u32 nid = Memory::Read_U32(entry->varData + i * 8 + 4);
if (!Memory::IsValidAddress(varRefsPtr)) {
WARN_LOG_REPORT(LOADER, "Bad relocation list address for nid %08x in %s", nid, modulename);
continue;
}
u32_le *varRef = (u32_le *)Memory::GetPointer(varRefsPtr);
for (; *varRef != 0; ++varRef) {
var.nid = nid;
var.stubAddr = (*varRef & 0x03FFFFFF) << 2;
var.type = *varRef >> 26;
module->ImportVar(var);
}
}
} else if (entry->numVars > 0) {
WARN_LOG_REPORT(LOADER, "Module entry with %d var imports but no valid address", entry->numVars);
needReport = true;
}
DEBUG_LOG(LOADER, "-------------------------------------------------------------");
}
if (needReport) {
std::string debugInfo;
entryPos = (u32_le *)Memory::GetPointer(modinfo->libstub);
while (entryPos < entryEnd) {
PspLibStubEntry *entry = (PspLibStubEntry *)entryPos;
entryPos += entry->size;
char temp[512];
const char *modulename;
if (Memory::IsValidAddress(entry->name)) {
modulename = Memory::GetCharPointer(entry->name);
} else {
modulename = "(invalidname)";
}
snprintf(temp, sizeof(temp), "%s ver=%04x, flags=%04x, size=%d, numVars=%d, numFuncs=%d, nidData=%08x, firstSym=%08x, varData=%08x, extra=%08x\n",
modulename, entry->version, entry->flags, entry->size, entry->numVars, entry->numFuncs, entry->nidData, entry->firstSymAddr, entry->size >= 6 ? entry->varData : 0, entry->size >= 7 ? entry->extra : 0);
debugInfo += temp;
}
Reporting::ReportMessage("Module linking debug info:\n%s", debugInfo.c_str());
}
// Look at the exports, too.
struct PspLibEntEntry
{
u32_le name; /* ent's name (module name) address */
u16_le version;
u16_le flags;
u8 size;
u8 vcount;
u16_le fcount;
u32_le resident;
u16_le vcountNew;
u8 unknown1;
u8 unknown2;
};
u32_le *entPos = (u32_le *)Memory::GetPointer(modinfo->libent);
u32_le *entEnd = (u32_le *)Memory::GetPointer(modinfo->libentend);
for (int m = 0; entPos < entEnd; ++m) {
PspLibEntEntry *ent = (PspLibEntEntry *)entPos;
entPos += ent->size;
if (ent->size == 0) {
WARN_LOG_REPORT(LOADER, "Invalid export entry size %d", ent->size);
entPos += 4;
continue;
}
u32_le variableCount = ent->size <= 4 ? ent->vcount : std::max((u32)ent->vcount , (u32)ent->vcountNew);
const char *name;
if (Memory::IsValidAddress(ent->name)) {
name = Memory::GetCharPointer(ent->name);
} else if (ent->name == 0) {
name = module->nm.name;
} else {
name = "invalid?";
}
INFO_LOG(LOADER, "Exporting ent %d named %s, %d funcs, %d vars, resident %08x", m, name, ent->fcount, ent->vcount, ent->resident);
if (!Memory::IsValidAddress(ent->resident)) {
if (ent->fcount + variableCount > 0) {
WARN_LOG_REPORT(LOADER, "Invalid export resident address %08x", ent->resident);
}
continue;
}
u32_le *residentPtr = (u32_le *)Memory::GetPointer(ent->resident);
u32_le *exportPtr = residentPtr + ent->fcount + variableCount;
if (ent->size != 4 && ent->unknown1 != 0 && ent->unknown2 != 0) {
WARN_LOG_REPORT(LOADER, "Unexpected export module entry size %d, vcountNew=%08x, unknown1=%08x, unknown2=%08x", ent->size, ent->vcountNew, ent->unknown1, ent->unknown2);
}
FuncSymbolExport func;
strncpy(func.moduleName, name, KERNELOBJECT_MAX_NAME_LENGTH);
func.moduleName[KERNELOBJECT_MAX_NAME_LENGTH] = '\0';
for (u32 j = 0; j < ent->fcount; j++) {
u32 nid = residentPtr[j];
u32 exportAddr = exportPtr[j];
switch (nid) {
case NID_MODULE_START:
module->nm.module_start_func = exportAddr;
break;
case NID_MODULE_STOP:
module->nm.module_stop_func = exportAddr;
break;
case NID_MODULE_REBOOT_BEFORE:
module->nm.module_reboot_before_func = exportAddr;
break;
case NID_MODULE_REBOOT_PHASE:
module->nm.module_reboot_phase_func = exportAddr;
break;
case NID_MODULE_BOOTSTART:
module->nm.module_bootstart_func = exportAddr;
break;
default:
func.nid = nid;
func.symAddr = exportAddr;
module->ExportFunc(func);
}
}
VarSymbolExport var;
strncpy(var.moduleName, name, KERNELOBJECT_MAX_NAME_LENGTH);
var.moduleName[KERNELOBJECT_MAX_NAME_LENGTH] = '\0';
for (u32 j = 0; j < variableCount; j++) {
u32 nid = residentPtr[ent->fcount + j];
u32 exportAddr = exportPtr[ent->fcount + j];
int size;
switch (nid) {
case NID_MODULE_INFO:
break;
case NID_MODULE_START_THREAD_PARAMETER:
size = Memory::Read_U32(exportAddr);
if (size == 0)
break;
else if (size != 3)
WARN_LOG_REPORT(LOADER, "Strange value at module_start_thread_parameter export: %08x", Memory::Read_U32(exportAddr));
module->nm.module_start_thread_priority = Memory::Read_U32(exportAddr + 4);
module->nm.module_start_thread_stacksize = Memory::Read_U32(exportAddr + 8);
module->nm.module_start_thread_attr = Memory::Read_U32(exportAddr + 12);
break;
case NID_MODULE_STOP_THREAD_PARAMETER:
size = Memory::Read_U32(exportAddr);
if (size == 0)
break;
else if (size != 3)
WARN_LOG_REPORT(LOADER, "Strange value at module_stop_thread_parameter export: %08x", Memory::Read_U32(exportAddr));
module->nm.module_stop_thread_priority = Memory::Read_U32(exportAddr + 4);
module->nm.module_stop_thread_stacksize = Memory::Read_U32(exportAddr + 8);
module->nm.module_stop_thread_attr = Memory::Read_U32(exportAddr + 12);
break;
case NID_MODULE_REBOOT_BEFORE_THREAD_PARAMETER:
size = Memory::Read_U32(exportAddr);
if (size == 0)
break;
else if (size != 3)
WARN_LOG_REPORT(LOADER, "Strange value at module_reboot_before_thread_parameter export: %08x", Memory::Read_U32(exportAddr));
module->nm.module_reboot_before_thread_priority = Memory::Read_U32(exportAddr + 4);
module->nm.module_reboot_before_thread_stacksize = Memory::Read_U32(exportAddr + 8);
module->nm.module_reboot_before_thread_attr = Memory::Read_U32(exportAddr + 12);
break;
case NID_MODULE_SDK_VERSION:
DEBUG_LOG(LOADER, "Module SDK: %08x", Memory::Read_U32(exportAddr));
break;
default:
var.nid = nid;
var.symAddr = exportAddr;
module->ExportVar(var);
break;
}
}
}
module->nm.entry_addr = reader.GetEntryPoint();
// use module_start_func instead of entry_addr if entry_addr is 0
if (module->nm.entry_addr == 0)
module->nm.entry_addr = module->nm.module_start_func;
if (newptr)
delete [] newptr;
return module;
}
bool __KernelLoadPBP(const char *filename, std::string *error_string)
{
static const char *FileNames[] =
{
"PARAM.SFO", "ICON0.PNG", "ICON1.PMF", "UNKNOWN.PNG",
"PIC1.PNG", "SND0.AT3", "UNKNOWN.PSP", "UNKNOWN.PSAR"
};
PBPReader pbp(filename);
if (!pbp.IsValid()) {
ERROR_LOG(LOADER,"%s is not a valid homebrew PSP1.0 PBP",filename);
*error_string = "Not a valid homebrew PBP";
return false;
}
size_t elfSize;
u8 *elfData = pbp.GetSubFile(PBP_EXECUTABLE_PSP, &elfSize);
u32 magic;
Module *module = __KernelLoadELFFromPtr(elfData, PSP_GetDefaultLoadAddress(), error_string, &magic);
if (!module) {
delete [] elfData;
return false;
}
mipsr4k.pc = module->nm.entry_addr;
delete [] elfData;
return true;
}
Module *__KernelLoadModule(u8 *fileptr, SceKernelLMOption *options, std::string *error_string)
{
Module *module = 0;
// Check for PBP
if (memcmp(fileptr, "\0PBP", 4) == 0)
{
// PBP!
u32_le version;
memcpy(&version, fileptr + 4, 4);
u32_le offset0, offsets[16];
int numfiles;
memcpy(&offset0, fileptr + 8, 4);
numfiles = (offset0 - 8)/4;
offsets[0] = offset0;
for (int i = 1; i < numfiles; i++)
memcpy(&offsets[i], fileptr + 12 + 4*i, 4);
u32 magic = 0;
module = __KernelLoadELFFromPtr(fileptr + offsets[5], PSP_GetDefaultLoadAddress(), error_string, &magic);
}
else
{
u32 magic = 0;
module = __KernelLoadELFFromPtr(fileptr, PSP_GetDefaultLoadAddress(), error_string, &magic);
}
return module;
}
void __KernelStartModule(Module *m, int args, const char *argp, SceKernelSMOption *options)
{
m->isStarted = true;
if (m->nm.module_start_func != 0 && m->nm.module_start_func != (u32)-1)
{
if (m->nm.module_start_func != m->nm.entry_addr)
WARN_LOG_REPORT(LOADER, "Main module has start func (%08x) different from entry (%08x)?", m->nm.module_start_func, m->nm.entry_addr);
}
SceUID threadID = __KernelSetupRootThread(m->GetUID(), args, argp, options->priority, options->stacksize, options->attribute);
__KernelSetThreadRA(threadID, NID_MODULERETURN);
}
u32 __KernelGetModuleGP(SceUID uid)
{
u32 error;
Module *module = kernelObjects.Get<Module>(uid, error);
if (module)
{
return module->nm.gp_value;
}
else
{
return 0;
}
}
bool __KernelLoadExec(const char *filename, u32 paramPtr, std::string *error_string)
{
SceKernelLoadExecParam param;
if (paramPtr)
Memory::ReadStruct(paramPtr, &param);
else
memset(&param, 0, sizeof(SceKernelLoadExecParam));
u8 *param_argp = 0;
u8 *param_key = 0;
if (param.args > 0) {
u32 argpAddr = param.argp;
param_argp = new u8[param.args];
Memory::Memcpy(param_argp, argpAddr, param.args);
}
if (param.keyp != 0) {
u32 keyAddr = param.keyp;
size_t keylen = strlen(Memory::GetCharPointer(keyAddr))+1;
param_key = new u8[keylen];
Memory::Memcpy(param_key, keyAddr, (u32)keylen);
}
// Wipe kernel here, loadexec should reset the entire system
if (__KernelIsRunning())
{
__KernelShutdown();
//HLE needs to be reset here
HLEShutdown();
HLEInit();
}
__KernelModuleInit();
__KernelInit();
PSPFileInfo info = pspFileSystem.GetFileInfo(filename);
if (!info.exists) {
ERROR_LOG(LOADER, "Failed to load executable %s - file doesn't exist", filename);
*error_string = StringFromFormat("Could not find executable %s", filename);
if (paramPtr) {
if (param_argp) delete[] param_argp;
if (param_key) delete[] param_key;
}
return false;
}
u32 handle = pspFileSystem.OpenFile(filename, FILEACCESS_READ);
u8 *temp = new u8[(int)info.size + 0x01000000];
pspFileSystem.ReadFile(handle, temp, (size_t)info.size);
Module *module = __KernelLoadModule(temp, 0, error_string);
if (!module || module->isFake) {
if (module) {
module->Cleanup();
kernelObjects.Destroy<Module>(module->GetUID());
}
ERROR_LOG(LOADER, "Failed to load module %s", filename);
*error_string = "Failed to load executable: " + *error_string;
delete [] temp;
if (paramPtr) {
if (param_argp) delete[] param_argp;
if (param_key) delete[] param_key;
}
return false;
}
mipsr4k.pc = module->nm.entry_addr;
INFO_LOG(LOADER, "Module entry: %08x", mipsr4k.pc);
delete [] temp;
pspFileSystem.CloseFile(handle);
SceKernelSMOption option;
option.size = sizeof(SceKernelSMOption);
option.attribute = PSP_THREAD_ATTR_USER;
option.mpidstack = 2;
option.priority = 0x20;
option.stacksize = 0x40000; // crazy? but seems to be the truth
// Replace start options with module-specified values if they exist.
if (module->nm.module_start_thread_attr != 0)
option.attribute = module->nm.module_start_thread_attr;
if (module->nm.module_start_thread_priority != 0)
option.priority = module->nm.module_start_thread_priority;
if (module->nm.module_start_thread_stacksize != 0)
option.stacksize = module->nm.module_start_thread_stacksize;
if (paramPtr)
__KernelStartModule(module, param.args, (const char*)param_argp, &option);
else
__KernelStartModule(module, (u32)strlen(filename) + 1, filename, &option);
__KernelStartIdleThreads(module->GetUID());
if (param_argp) delete[] param_argp;
if (param_key) delete[] param_key;
return true;
}
int sceKernelLoadExec(const char *filename, u32 paramPtr)
{
std::string exec_filename = filename;
PSPFileInfo info = pspFileSystem.GetFileInfo(exec_filename);
// If there's an EBOOT.BIN, redirect to that instead.
if (info.exists && endsWith(exec_filename, "/BOOT.BIN")) {
std::string eboot_filename = exec_filename.substr(0, exec_filename.length() - strlen("BOOT.BIN")) + "EBOOT.BIN";
PSPFileInfo eboot_info = pspFileSystem.GetFileInfo(eboot_filename);
if (eboot_info.exists) {
exec_filename = eboot_filename;
info = eboot_info;
}
}
if (!info.exists) {
ERROR_LOG(LOADER, "sceKernelLoadExec(%s, ...): File does not exist", filename);
return SCE_KERNEL_ERROR_NOFILE;
}
s64 size = (s64)info.size;
if (!size) {
ERROR_LOG(LOADER, "sceKernelLoadExec(%s, ...): File is size 0", filename);
return SCE_KERNEL_ERROR_ILLEGAL_OBJECT;
}
DEBUG_LOG(SCEMODULE, "sceKernelLoadExec(name=%s,...): loading %s", filename, exec_filename.c_str());
std::string error_string;
if (!__KernelLoadExec(exec_filename.c_str(), paramPtr, &error_string)) {
ERROR_LOG(SCEMODULE, "sceKernelLoadExec failed: %s", error_string.c_str());
Core_UpdateState(CORE_ERROR);
return -1;
}
return 0;
}
u32 sceKernelLoadModule(const char *name, u32 flags, u32 optionAddr)
{
if (!name) {
ERROR_LOG(LOADER, "sceKernelLoadModule(NULL, %08x): Bad name", flags);
return SCE_KERNEL_ERROR_ILLEGAL_ADDR;
}
for (size_t i = 0; i < ARRAY_SIZE(lieAboutSuccessModules); i++) {
if (!strcmp(name, lieAboutSuccessModules[i])) {
INFO_LOG(LOADER, "Tries to load module %s. We return a fake module.", lieAboutSuccessModules[i]);
Module *module = new Module;
kernelObjects.Create(module);
loadedModules.insert(module->GetUID());
memset(&module->nm, 0, sizeof(module->nm));
module->isFake = true;
return module->GetUID();
}
}
PSPFileInfo info = pspFileSystem.GetFileInfo(name);
std::string error_string;
s64 size = (s64)info.size;
if (!info.exists) {
ERROR_LOG(LOADER, "sceKernelLoadModule(%s, %08x): File does not exist", name, flags);
return SCE_KERNEL_ERROR_NOFILE;
}
if (!size) {
ERROR_LOG(LOADER, "sceKernelLoadModule(%s, %08x): Module file is size 0", name, flags);
return SCE_KERNEL_ERROR_ILLEGAL_OBJECT;
}
DEBUG_LOG(LOADER, "sceKernelLoadModule(%s, %08x)", name, flags);
SceKernelLMOption *lmoption = 0;
int position = 0;
// TODO: Use position to decide whether to load high or low
if (optionAddr) {
lmoption = (SceKernelLMOption *)Memory::GetPointer(optionAddr);
}
Module *module = 0;
u8 *temp = new u8[(int)size];
u32 handle = pspFileSystem.OpenFile(name, FILEACCESS_READ);
pspFileSystem.ReadFile(handle, temp, (size_t)size);
u32 magic;
module = __KernelLoadELFFromPtr(temp, 0, &error_string, &magic);
delete [] temp;
pspFileSystem.CloseFile(handle);
if (!module) {
if (magic == 0x46535000) {
ERROR_LOG(LOADER, "Game tried to load an SFO as a module. Go figure? Magic = %08x", magic);
return -1;
}
// Module was blacklisted or couldn't be decrypted, which means it's a kernel module we don't want to run.
// Let's just act as if it worked.
NOTICE_LOG(LOADER, "Module %s is blacklisted or undecryptable - we lie about success", name);
return 1;
}
if (lmoption) {
INFO_LOG(SCEMODULE,"%i=sceKernelLoadModule(name=%s,flag=%08x,%08x,%08x,%08x,position = %08x)",
module->GetUID(),name,flags,
lmoption->size,lmoption->mpidtext,lmoption->mpiddata,lmoption->position);
} else {
INFO_LOG(SCEMODULE,"%i=sceKernelLoadModule(name=%s,flag=%08x,(...))", module->GetUID(), name, flags);
}
// TODO: This is not the right timing and probably not the right wait type, just an approximation.
return hleDelayResult(module->GetUID(), "module loaded", 500);
}
u32 sceKernelLoadModuleNpDrm(const char *name, u32 flags, u32 optionAddr)
{
DEBUG_LOG(LOADER, "sceKernelLoadModuleNpDrm(%s, %08x)", name, flags);
return sceKernelLoadModule(name, flags, optionAddr);
}
void sceKernelStartModule(u32 moduleId, u32 argsize, u32 argAddr, u32 returnValueAddr, u32 optionAddr)
{
u32 priority = 0x20;
u32 stacksize = 0x40000;
u32 attr = 0;
int stackPartition = 0;
SceKernelSMOption smoption = {0};
if (optionAddr) {
Memory::ReadStruct(optionAddr, &smoption);
}
u32 error;
Module *module = kernelObjects.Get<Module>(moduleId, error);
if (!module) {
RETURN(error);
return;
} else if (module->isFake) {
INFO_LOG(SCEMODULE, "sceKernelStartModule(%d,asize=%08x,aptr=%08x,retptr=%08x,%08x): faked (undecryptable module)",
moduleId,argsize,argAddr,returnValueAddr,optionAddr);
if (returnValueAddr)
Memory::Write_U32(0, returnValueAddr);
RETURN(moduleId);
return;
} else if (module->isStarted) {
ERROR_LOG(SCEMODULE, "sceKernelStartModule(%d,asize=%08x,aptr=%08x,retptr=%08x,%08x) : already started",
moduleId,argsize,argAddr,returnValueAddr,optionAddr);
// TODO: Maybe should be SCE_KERNEL_ERROR_ALREADY_STARTED, but I get SCE_KERNEL_ERROR_ERROR.
// But I also get crashes...
RETURN(SCE_KERNEL_ERROR_ERROR);
return;
} else {
INFO_LOG(SCEMODULE, "sceKernelStartModule(%d,asize=%08x,aptr=%08x,retptr=%08x,%08x)",
moduleId,argsize,argAddr,returnValueAddr,optionAddr);
int attribute = module->nm.attribute;
u32 entryAddr = module->nm.entry_addr;
if (module->nm.module_start_func != 0 && module->nm.module_start_func != (u32)-1)
{
entryAddr = module->nm.module_start_func;
attribute = module->nm.module_start_thread_attr;
}
else if ((entryAddr == (u32)-1) || entryAddr == module->memoryBlockAddr - 1)
{
if (optionAddr)
{
// TODO: Does sceKernelStartModule() really give an error when no entry only if you pass options?
attribute = smoption.attribute;
}
else
{
// TODO: Why are we just returning the module ID in this case?
WARN_LOG(SCEMODULE, "sceKernelStartModule(): module has no start or entry func");
module->isStarted = true;
RETURN(moduleId);
return;
}
}
if (Memory::IsValidAddress(entryAddr))
{
if ((optionAddr) && smoption.priority > 0) {
priority = smoption.priority;
} else if (module->nm.module_start_thread_priority > 0) {
priority = module->nm.module_start_thread_priority;
}
if ((optionAddr) && (smoption.stacksize > 0)) {
stacksize = smoption.stacksize;
} else if (module->nm.module_start_thread_stacksize > 0) {
stacksize = module->nm.module_start_thread_stacksize;
}
SceUID threadID = __KernelCreateThread(module->nm.name, moduleId, entryAddr, priority, stacksize, attribute, 0);
sceKernelStartThread(threadID, argsize, argAddr);
__KernelSetThreadRA(threadID, NID_MODULERETURN);
__KernelWaitCurThread(WAITTYPE_MODULE, moduleId, 1, 0, false, "started module");
const ModuleWaitingThread mwt = {__KernelGetCurThread(), returnValueAddr};
module->waitingThreads.push_back(mwt);
}
else if (entryAddr == 0)
{
INFO_LOG(SCEMODULE, "sceKernelStartModule(%d,asize=%08x,aptr=%08x,retptr=%08x,%08x): no entry address",
moduleId,argsize,argAddr,returnValueAddr,optionAddr);
module->isStarted = true;
}
else
{
ERROR_LOG(SCEMODULE, "sceKernelStartModule(%d,asize=%08x,aptr=%08x,retptr=%08x,%08x): invalid entry address",
moduleId,argsize,argAddr,returnValueAddr,optionAddr);
RETURN(-1);
return;
}
}
RETURN(moduleId);
}
u32 sceKernelStopModule(u32 moduleId, u32 argSize, u32 argAddr, u32 returnValueAddr, u32 optionAddr)
{
u32 priority = 0x20;
u32 stacksize = 0x40000;
u32 attr = 0;
// TODO: In a lot of cases (even for errors), this should resched. Needs testing.
u32 error;
Module *module = kernelObjects.Get<Module>(moduleId, error);
if (!module)
{
ERROR_LOG(SCEMODULE, "sceKernelStopModule(%08x, %08x, %08x, %08x, %08x): invalid module id", moduleId, argSize, argAddr, returnValueAddr, optionAddr);
return error;
}
if (module->isFake)
{
INFO_LOG(SCEMODULE, "sceKernelStopModule(%08x, %08x, %08x, %08x, %08x) - faking", moduleId, argSize, argAddr, returnValueAddr, optionAddr);
if (returnValueAddr)
Memory::Write_U32(0, returnValueAddr);
return 0;
}
if (!module->isStarted)
{
ERROR_LOG(SCEMODULE, "sceKernelStopModule(%08x, %08x, %08x, %08x, %08x): already stopped", moduleId, argSize, argAddr, returnValueAddr, optionAddr);
return SCE_KERNEL_ERROR_ALREADY_STOPPED;
}
u32 stopFunc = module->nm.module_stop_func;
if (module->nm.module_stop_thread_priority != 0)
priority = module->nm.module_stop_thread_priority;
if (module->nm.module_stop_thread_stacksize != 0)
stacksize = module->nm.module_stop_thread_stacksize;
if (module->nm.module_stop_thread_attr != 0)
attr = module->nm.module_stop_thread_attr;
// TODO: Need to test how this really works. Let's assume it's an override.
if (Memory::IsValidAddress(optionAddr))
{
auto options = Memory::GetStruct<SceKernelSMOption>(optionAddr);
// TODO: Check how size handling actually works.
if (options->size != 0 && options->priority != 0)
priority = options->priority;
if (options->size != 0 && options->stacksize != 0)
stacksize = options->stacksize;
if (options->size != 0 && options->attribute != 0)
attr = options->attribute;
// TODO: Maybe based on size?
else if (attr != 0)
WARN_LOG_REPORT(SCEMODULE, "Stopping module with attr=%x, but options specify 0", attr);
}
if (Memory::IsValidAddress(stopFunc))
{
SceUID threadID = __KernelCreateThread(module->nm.name, moduleId, stopFunc, priority, stacksize, attr, 0);
sceKernelStartThread(threadID, argSize, argAddr);
__KernelSetThreadRA(threadID, NID_MODULERETURN);
__KernelWaitCurThread(WAITTYPE_MODULE, moduleId, 1, 0, false, "stopped module");
const ModuleWaitingThread mwt = {__KernelGetCurThread(), returnValueAddr};
module->waitingThreads.push_back(mwt);
}
else if (stopFunc == 0)
{
INFO_LOG(SCEMODULE, "sceKernelStopModule(%08x, %08x, %08x, %08x, %08x): no stop func, skipping", moduleId, argSize, argAddr, returnValueAddr, optionAddr);
module->isStarted = false;
}
else
{
ERROR_LOG_REPORT(SCEMODULE, "sceKernelStopModule(%08x, %08x, %08x, %08x, %08x): bad stop func address", moduleId, argSize, argAddr, returnValueAddr, optionAddr);
module->isStarted = false;
}
return 0;
}
u32 sceKernelUnloadModule(u32 moduleId)
{
INFO_LOG(SCEMODULE,"sceKernelUnloadModule(%i)", moduleId);
u32 error;
Module *module = kernelObjects.Get<Module>(moduleId, error);
if (!module)
return error;
module->Cleanup();
kernelObjects.Destroy<Module>(moduleId);
return moduleId;
}
u32 sceKernelStopUnloadSelfModuleWithStatus(u32 exitCode, u32 argSize, u32 argp, u32 statusAddr, u32 optionAddr)
{
ERROR_LOG_REPORT(SCEMODULE, "UNIMPL sceKernelStopUnloadSelfModuleWithStatus(%08x, %08x, %08x, %08x, %08x): game has likely crashed", exitCode, argSize, argp, statusAddr, optionAddr);
// Probably similar to sceKernelStopModule, but games generally call this when they die.
return 0;
}
void __KernelReturnFromModuleFunc()
{
// Return from the thread as normal.
__KernelReturnFromThread();
SceUID leftModuleID = __KernelGetCurThreadModuleId();
SceUID leftThreadID = __KernelGetCurThread();
int exitStatus = sceKernelGetThreadExitStatus(leftThreadID);
// Reschedule immediately (to leave the thread) and delete it and its stack.
__KernelReSchedule("returned from module");
sceKernelDeleteThread(leftThreadID);
u32 error;
Module *module = kernelObjects.Get<Module>(leftModuleID, error);
if (!module)
{
ERROR_LOG_REPORT(SCEMODULE, "Returned from deleted module start/stop func");
return;
}
// We can't be starting and stopping at the same time, so no need to differentiate.
module->isStarted = !module->isStarted;
for (auto it = module->waitingThreads.begin(), end = module->waitingThreads.end(); it < end; ++it)
{
// Still waiting?
if (HLEKernel::VerifyWait(it->threadID, WAITTYPE_MODULE, leftModuleID))
{
if (it->statusPtr != 0)
Memory::Write_U32(exitStatus, it->statusPtr);
__KernelResumeThreadFromWait(it->threadID, 0);
}
}
module->waitingThreads.clear();
}
struct GetModuleIdByAddressArg
{
u32 addr;
SceUID result;
};
bool __GetModuleIdByAddressIterator(Module *module, GetModuleIdByAddressArg *state)
{
const u32 start = module->memoryBlockAddr, size = module->memoryBlockSize;
if (start <= state->addr && start + size > state->addr)
{
state->result = module->GetUID();
return false;
}
return true;
}
u32 sceKernelGetModuleIdByAddress(u32 moduleAddr)
{
GetModuleIdByAddressArg state;
state.addr = moduleAddr;
state.result = SCE_KERNEL_ERROR_UNKNOWN_MODULE;
kernelObjects.Iterate(&__GetModuleIdByAddressIterator, &state);
if (state.result == (SceUID)SCE_KERNEL_ERROR_UNKNOWN_MODULE)
ERROR_LOG(SCEMODULE, "sceKernelGetModuleIdByAddress(%08x): module not found", moduleAddr)
else
DEBUG_LOG(SCEMODULE, "%x=sceKernelGetModuleIdByAddress(%08x)", state.result, moduleAddr);
return state.result;
}
u32 sceKernelGetModuleId()
{
INFO_LOG(SCEMODULE,"sceKernelGetModuleId()");
return __KernelGetCurThreadModuleId();
}
u32 sceKernelFindModuleByName(const char *name)
{
ERROR_LOG_REPORT(SCEMODULE, "UNIMPL sceKernelFindModuleByName(%s)", name);
int index = GetModuleIndex(name);
if (index == -1)
return 0;
return 1;
}
u32 sceKernelLoadModuleByID(u32 id, u32 flags, u32 lmoptionPtr)
{
u32 error;
u32 handle = __IoGetFileHandleFromId(id, error);
if (handle == (u32)-1) {
ERROR_LOG(SCEMODULE,"sceKernelLoadModuleByID(%08x, %08x, %08x): could not open file id",id,flags,lmoptionPtr);
return error;
}
SceKernelLMOption *lmoption = 0;
if (lmoptionPtr) {
lmoption = (SceKernelLMOption *)Memory::GetPointer(lmoptionPtr);
}
u32 pos = (u32) pspFileSystem.SeekFile(handle, 0, FILEMOVE_CURRENT);
size_t size = pspFileSystem.SeekFile(handle, 0, FILEMOVE_END);
std::string error_string;
pspFileSystem.SeekFile(handle, pos, FILEMOVE_BEGIN);
Module *module = 0;
u8 *temp = new u8[size];
pspFileSystem.ReadFile(handle, temp, size);
u32 magic;
module = __KernelLoadELFFromPtr(temp, 0, &error_string, &magic);
delete [] temp;
if (!module) {
// Some games try to load strange stuff as PARAM.SFO as modules and expect it to fail.
// This checks for the SFO magic number.
if (magic == 0x46535000) {
ERROR_LOG(LOADER, "Game tried to load an SFO as a module. Go figure? Magic = %08x", magic);
return -1;
}
// Module was blacklisted or couldn't be decrypted, which means it's a kernel module we don't want to run.
// Let's just act as if it worked.
NOTICE_LOG(LOADER, "Module %d is blacklisted or undecryptable - we lie about success", id);
return 1;
}
if (lmoption) {
INFO_LOG(SCEMODULE,"%i=sceKernelLoadModuleByID(%d,flag=%08x,%08x,%08x,%08x,position = %08x)",
module->GetUID(),id,flags,
lmoption->size,lmoption->mpidtext,lmoption->mpiddata,lmoption->position);
} else {
INFO_LOG(SCEMODULE,"%i=sceKernelLoadModuleByID(%d,flag=%08x,(...))", module->GetUID(), id, flags);
}
return module->GetUID();
}
u32 sceKernelLoadModuleDNAS(const char *name, u32 flags)
{
ERROR_LOG_REPORT(SCEMODULE, "UNIMPL 0=sceKernelLoadModuleDNAS()");
return 0;
}
u32 sceKernelQueryModuleInfo(u32 uid, u32 infoAddr)
{
INFO_LOG(SCEMODULE, "sceKernelQueryModuleInfo(%i, %08x)", uid, infoAddr);
u32 error;
Module *module = kernelObjects.Get<Module>(uid, error);
if (!module)
return error;
if (!Memory::IsValidAddress(infoAddr)) {
ERROR_LOG(SCEMODULE, "sceKernelQueryModuleInfo(%i, %08x) - bad infoAddr", uid, infoAddr);
return -1;
}
ModuleInfo info;
memcpy(info.segmentaddr, module->nm.segmentaddr, sizeof(info.segmentaddr));
memcpy(info.segmentsize, module->nm.segmentsize, sizeof(info.segmentsize));
info.nsegment = module->nm.nsegment;
info.entry_addr = module->nm.entry_addr;
info.gp_value = module->nm.gp_value;
info.text_addr = module->nm.text_addr;
info.text_size = module->nm.text_size;
info.data_size = module->nm.data_size;
info.bss_size = module->nm.bss_size;
info.attribute = module->nm.attribute;
info.version[0] = module->nm.version[0];
info.version[1] = module->nm.version[1];
memcpy(info.name, module->nm.name, 28);
Memory::WriteStruct(infoAddr, &info);
return 0;
}
u32 ModuleMgrForKernel_977de386(const char *name, u32 flags, u32 optionAddr)
{
WARN_LOG(SCEMODULE,"Not support this patcher");
return sceKernelLoadModule(name, flags, optionAddr);
}
void ModuleMgrForKernel_50f0c1ec(u32 moduleId, u32 argsize, u32 argAddr, u32 returnValueAddr, u32 optionAddr)
{
WARN_LOG(SCEMODULE,"Not support this patcher");
sceKernelStartModule(moduleId, argsize, argAddr, returnValueAddr, optionAddr);
}
//fix for tiger x dragon
u32 ModuleMgrForKernel_a1a78c58(const char *name, u32 flags, u32 optionAddr)
{
WARN_LOG(SCEMODULE,"Not support this patcher");
return sceKernelLoadModule(name, flags, optionAddr);
}
const HLEFunction ModuleMgrForUser[] =
{
{0x977DE386,&WrapU_CUU<sceKernelLoadModule>,"sceKernelLoadModule"},
{0xb7f46618,&WrapU_UUU<sceKernelLoadModuleByID>,"sceKernelLoadModuleByID"},
{0x50F0C1EC,&WrapV_UUUUU<sceKernelStartModule>,"sceKernelStartModule", HLE_NOT_IN_INTERRUPT | HLE_NOT_DISPATCH_SUSPENDED},
{0xD675EBB8,&sceKernelExitGame,"sceKernelSelfStopUnloadModule"}, //HACK
{0xd1ff982a,&WrapU_UUUUU<sceKernelStopModule>,"sceKernelStopModule", HLE_NOT_IN_INTERRUPT | HLE_NOT_DISPATCH_SUSPENDED},
{0x2e0911aa,WrapU_U<sceKernelUnloadModule>,"sceKernelUnloadModule"},
{0x710F61B5,0,"sceKernelLoadModuleMs"},
{0xF9275D98,0,"sceKernelLoadModuleBufferUsbWlan"}, ///???
{0xCC1D3699,0,"sceKernelStopUnloadSelfModule"},
{0x748CBED9,WrapU_UU<sceKernelQueryModuleInfo>,"sceKernelQueryModuleInfo"},
{0xd8b73127,&WrapU_U<sceKernelGetModuleIdByAddress>, "sceKernelGetModuleIdByAddress"},
{0xf0a26395,WrapU_V<sceKernelGetModuleId>, "sceKernelGetModuleId"},
{0x8f2df740,WrapU_UUUUU<sceKernelStopUnloadSelfModuleWithStatus>,"sceKernelStopUnloadSelfModuleWithStatus"},
{0xfef27dc1,&WrapU_CU<sceKernelLoadModuleDNAS> , "sceKernelLoadModuleDNAS"},
{0x644395e2,0,"sceKernelGetModuleIdList"},
{0xf2d8d1b4,&WrapU_CUU<sceKernelLoadModuleNpDrm>,"sceKernelLoadModuleNpDrm"},
{0xe4c4211c,0,"ModuleMgrForUser_E4C4211C"},
{0xfbe27467,0,"ModuleMgrForUser_FBE27467"},
};
const HLEFunction ModuleMgrForKernel[] =
{
{0x50f0c1ec,&WrapV_UUUUU<ModuleMgrForKernel_50f0c1ec>, "ModuleMgrForKernel_50f0c1ec"},//Not sure right
{0x977de386, &WrapU_CUU<ModuleMgrForKernel_977de386>, "ModuleMgrForKernel_977de386"},//Not sure right
{0xa1a78c58, &WrapU_CUU<ModuleMgrForKernel_a1a78c58>, "ModuleMgrForKernel_a1a78c58"}, //fix for tiger x dragon
};
void Register_ModuleMgrForUser()
{
RegisterModule("ModuleMgrForUser", ARRAY_SIZE(ModuleMgrForUser), ModuleMgrForUser);
}
void Register_ModuleMgrForKernel()
{
RegisterModule("ModuleMgrForKernel", ARRAY_SIZE(ModuleMgrForKernel), ModuleMgrForKernel);
};
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