mirror of
https://github.com/shadps4-emu/shadPS4.git
synced 2026-04-07 01:21:31 -06:00
2a61851a88
* twos * Fixes Still can't test properly, but this seems to hide system libs, which I'm pretty sure is the necessary difference here. * Clang * Extra export for sceKernelGetModuleInfo2
306 lines
10 KiB
C++
306 lines
10 KiB
C++
// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "common/config.h"
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#include "common/elf_info.h"
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#include "common/logging/log.h"
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#include "core/file_sys/fs.h"
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#include "core/libraries/kernel/orbis_error.h"
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#include "core/libraries/kernel/process.h"
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#include "core/libraries/libs.h"
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#include "core/linker.h"
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namespace Libraries::Kernel {
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s32 PS4_SYSV_ABI sceKernelIsInSandbox() {
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return 1;
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}
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s32 PS4_SYSV_ABI sceKernelIsNeoMode() {
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return Config::isNeoModeConsole() &&
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Common::ElfInfo::Instance().GetPSFAttributes().support_neo_mode;
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}
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s32 PS4_SYSV_ABI sceKernelHasNeoMode() {
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return Config::isNeoModeConsole();
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}
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s32 PS4_SYSV_ABI sceKernelGetMainSocId() {
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// These hardcoded values are based on hardware observations.
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// Different models of PS4/PS4 Pro likely return slightly different values.
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LOG_DEBUG(Lib_Kernel, "called");
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if (Config::isNeoModeConsole()) {
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return 0x740f30;
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}
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return 0x710f10;
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}
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s32 PS4_SYSV_ABI sceKernelGetCompiledSdkVersion(s32* ver) {
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if (!ver) {
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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*ver = Common::ElfInfo::Instance().CompiledSdkVer();
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetCpumode() {
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LOG_DEBUG(Lib_Kernel, "called");
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auto& attrs = Common::ElfInfo::Instance().GetPSFAttributes();
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u32 is_cpu6 = attrs.six_cpu_mode.Value();
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u32 is_cpu7 = attrs.seven_cpu_mode.Value();
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if (is_cpu6 == 1 && is_cpu7 == 1) {
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return 2;
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}
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if (is_cpu7 == 1) {
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return 5;
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}
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return 0;
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}
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s32 PS4_SYSV_ABI sceKernelGetCurrentCpu() {
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LOG_DEBUG(Lib_Kernel, "called");
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return 0;
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}
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void* PS4_SYSV_ABI sceKernelGetProcParam() {
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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return linker->GetProcParam();
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}
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s32 PS4_SYSV_ABI sceKernelLoadStartModule(const char* moduleFileName, u64 args, const void* argp,
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u32 flags, const void* pOpt, s32* pRes) {
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LOG_INFO(Lib_Kernel, "called filename = {}, args = {}", moduleFileName, args);
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ASSERT(flags == 0);
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auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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std::filesystem::path path;
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std::string guest_path(moduleFileName);
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s32 handle = -1;
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if (guest_path[0] == '/') {
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// try load /system/common/lib/ +path
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// try load /system/priv/lib/ +path
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path = mnt->GetHostPath(guest_path);
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handle = linker->LoadAndStartModule(path, args, argp, pRes);
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if (handle != -1)
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return handle;
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} else {
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if (!guest_path.contains('/')) {
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path = mnt->GetHostPath("/app0/" + guest_path);
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handle = linker->LoadAndStartModule(path, args, argp, pRes);
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if (handle != -1)
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return handle;
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// if ((flags & 0x10000) != 0)
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// try load /system/priv/lib/ +basename
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// try load /system/common/lib/ +basename
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} else {
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path = mnt->GetHostPath(guest_path);
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handle = linker->LoadAndStartModule(path, args, argp, pRes);
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if (handle != -1)
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return handle;
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}
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}
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return ORBIS_KERNEL_ERROR_ENOENT;
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}
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s32 PS4_SYSV_ABI sceKernelDlsym(s32 handle, const char* symbol, void** addrp) {
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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auto* module = linker->GetModule(handle);
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if (module == nullptr) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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*addrp = module->FindByName(symbol);
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if (*addrp == nullptr) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleInfoForUnwind(VAddr addr, s32 flags,
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OrbisModuleInfoForUnwind* info) {
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if (flags >= 3) {
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std::memset(info, 0, sizeof(OrbisModuleInfoForUnwind));
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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if (!info) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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if (info->st_size < sizeof(OrbisModuleInfoForUnwind)) {
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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// Find module that contains specified address.
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LOG_INFO(Lib_Kernel, "called addr = {:#x}, flags = {:#x}", addr, flags);
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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auto* module = linker->FindByAddress(addr);
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if (!module) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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const auto mod_info = module->GetModuleInfoEx();
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// Fill in module info.
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std::memset(info, 0, sizeof(OrbisModuleInfoForUnwind));
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info->name = mod_info.name;
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info->eh_frame_hdr_addr = mod_info.eh_frame_hdr_addr;
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info->eh_frame_addr = mod_info.eh_frame_addr;
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info->eh_frame_size = mod_info.eh_frame_size;
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info->seg0_addr = mod_info.segments[0].address;
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info->seg0_size = mod_info.segments[0].size;
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleInfoFromAddr(VAddr addr, s32 flags,
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Core::OrbisKernelModuleInfoEx* info) {
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if (flags >= 3) {
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std::memset(info, 0, sizeof(Core::OrbisKernelModuleInfoEx));
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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if (info == nullptr) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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LOG_INFO(Lib_Kernel, "called addr = {:#x}, flags = {:#x}", addr, flags);
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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auto* module = linker->FindByAddress(addr);
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if (!module) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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*info = module->GetModuleInfoEx();
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleInfo(s32 handle, Core::OrbisKernelModuleInfo* info) {
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if (info == nullptr) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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if (info->st_size != sizeof(Core::OrbisKernelModuleInfo)) {
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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auto* module = linker->GetModule(handle);
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if (module == nullptr) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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*info = module->GetModuleInfo();
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleInfo2(s32 handle, Core::OrbisKernelModuleInfo* info) {
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if (info == nullptr) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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if (info->st_size != sizeof(Core::OrbisKernelModuleInfo)) {
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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auto* module = linker->GetModule(handle);
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if (module == nullptr) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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if (module->IsSystemLib()) {
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return ORBIS_KERNEL_ERROR_EPERM;
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}
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*info = module->GetModuleInfo();
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleInfoInternal(s32 handle, Core::OrbisKernelModuleInfoEx* info) {
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if (info == nullptr) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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if (info->st_size != sizeof(Core::OrbisKernelModuleInfoEx)) {
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return ORBIS_KERNEL_ERROR_EINVAL;
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}
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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auto* module = linker->GetModule(handle);
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if (module == nullptr) {
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return ORBIS_KERNEL_ERROR_ESRCH;
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}
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*info = module->GetModuleInfoEx();
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleList(s32* handles, u64 num_array, u64* out_count) {
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if (handles == nullptr || out_count == nullptr) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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u64 count = 0;
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auto* module = linker->GetModule(count);
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while (module != nullptr && count < num_array) {
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handles[count] = count;
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count++;
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module = linker->GetModule(count);
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}
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if (count == num_array && module != nullptr) {
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return ORBIS_KERNEL_ERROR_ENOMEM;
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}
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*out_count = count;
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI sceKernelGetModuleList2(s32* handles, u64 num_array, u64* out_count) {
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if (handles == nullptr || out_count == nullptr) {
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return ORBIS_KERNEL_ERROR_EFAULT;
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}
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auto* linker = Common::Singleton<Core::Linker>::Instance();
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u64 id = 0;
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u64 index = 0;
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auto* module = linker->GetModule(id);
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while (module != nullptr && index < num_array) {
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if (!module->IsSystemLib()) {
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handles[index++] = id;
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}
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id++;
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module = linker->GetModule(id);
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}
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if (index == num_array && module != nullptr) {
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return ORBIS_KERNEL_ERROR_ENOMEM;
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}
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*out_count = index;
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return ORBIS_OK;
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}
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s32 PS4_SYSV_ABI exit(s32 status) {
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UNREACHABLE_MSG("Exiting with status code {}", status);
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return 0;
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}
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void RegisterProcess(Core::Loader::SymbolsResolver* sym) {
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LIB_FUNCTION("xeu-pV8wkKs", "libkernel", 1, "libkernel", sceKernelIsInSandbox);
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LIB_FUNCTION("WB66evu8bsU", "libkernel", 1, "libkernel", sceKernelGetCompiledSdkVersion);
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LIB_FUNCTION("WslcK1FQcGI", "libkernel", 1, "libkernel", sceKernelIsNeoMode);
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LIB_FUNCTION("rNRtm1uioyY", "libkernel", 1, "libkernel", sceKernelHasNeoMode);
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LIB_FUNCTION("0vTn5IDMU9A", "libkernel", 1, "libkernel", sceKernelGetMainSocId);
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LIB_FUNCTION("VOx8NGmHXTs", "libkernel", 1, "libkernel", sceKernelGetCpumode);
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LIB_FUNCTION("g0VTBxfJyu0", "libkernel", 1, "libkernel", sceKernelGetCurrentCpu);
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LIB_FUNCTION("959qrazPIrg", "libkernel", 1, "libkernel", sceKernelGetProcParam);
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LIB_FUNCTION("wzvqT4UqKX8", "libkernel", 1, "libkernel", sceKernelLoadStartModule);
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LIB_FUNCTION("LwG8g3niqwA", "libkernel", 1, "libkernel", sceKernelDlsym);
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LIB_FUNCTION("RpQJJVKTiFM", "libkernel", 1, "libkernel", sceKernelGetModuleInfoForUnwind);
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LIB_FUNCTION("f7KBOafysXo", "libkernel", 1, "libkernel", sceKernelGetModuleInfoFromAddr);
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LIB_FUNCTION("kUpgrXIrz7Q", "libkernel", 1, "libkernel", sceKernelGetModuleInfo);
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LIB_FUNCTION("QgsKEUfkqMA", "libkernel", 1, "libkernel", sceKernelGetModuleInfo2);
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LIB_FUNCTION("QgsKEUfkqMA", "libkernel_module_info", 1, "libkernel", sceKernelGetModuleInfo2);
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LIB_FUNCTION("HZO7xOos4xc", "libkernel", 1, "libkernel", sceKernelGetModuleInfoInternal);
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LIB_FUNCTION("IuxnUuXk6Bg", "libkernel", 1, "libkernel", sceKernelGetModuleList);
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LIB_FUNCTION("ZzzC3ZGVAkc", "libkernel", 1, "libkernel", sceKernelGetModuleList2);
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LIB_FUNCTION("6Z83sYWFlA8", "libkernel", 1, "libkernel", exit);
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}
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} // namespace Libraries::Kernel
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