Merge pull request #22 from bunnei/loader-improvements
Refactor loader code and add preliminary NCCH support
This commit is contained in:
commit
469fe42fad
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@ -8,7 +8,7 @@
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#include "core/system.h"
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#include "core/core.h"
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#include "core/loader.h"
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#include "core/loader/loader.h"
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#include "citra/emu_window/emu_window_glfw.h"
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@ -16,28 +16,21 @@
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/// Application entry point
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int __cdecl main(int argc, char **argv) {
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std::string program_dir = File::GetCurrentDir();
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LogManager::Init();
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if (argc < 2) {
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ERROR_LOG(BOOT, "Failed to load ROM: No ROM specified");
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return -1;
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}
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std::string boot_filename = argv[1];
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EmuWindow_GLFW* emu_window = new EmuWindow_GLFW;
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System::Init(emu_window);
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std::string boot_filename;
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if (argc < 2) {
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ERROR_LOG(BOOT, "Failed to load ROM: No ROM specified");
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}
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else {
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boot_filename = argv[1];
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}
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std::string error_str;
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bool res = Loader::LoadFile(boot_filename, &error_str);
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if (!res) {
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ERROR_LOG(BOOT, "Failed to load ROM: %s", error_str.c_str());
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if (Loader::ResultStatus::Success != Loader::LoadFile(boot_filename)) {
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ERROR_LOG(BOOT, "Failed to load ROM!");
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return -1;
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}
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Core::RunLoop();
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@ -5,7 +5,7 @@
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#include "bootmanager.hxx"
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#include "core/core.h"
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#include "core/loader.h"
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#include "core/loader/loader.h"
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#include "core/hw/hw.h"
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#include "video_core/video_core.h"
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@ -23,9 +23,10 @@
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#include "debugger/graphics_cmdlists.hxx"
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#include "core/system.h"
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#include "core/loader.h"
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#include "core/core.h"
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#include "core/loader/loader.h"
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#include "core/arm/disassembler/load_symbol_map.h"
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#include "version.h"
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@ -134,11 +135,8 @@ void GMainWindow::BootGame(const char* filename)
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// Load a game or die...
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std::string boot_filename = filename;
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std::string error_str;
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bool res = Loader::LoadFile(boot_filename, &error_str);
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if (!res) {
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ERROR_LOG(BOOT, "Failed to load ROM: %s", error_str.c_str());
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if (Loader::ResultStatus::Success != Loader::LoadFile(boot_filename)) {
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ERROR_LOG(BOOT, "Failed to load ROM!");
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}
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disasmWidget->Init();
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@ -1,6 +1,8 @@
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set(SRCS core.cpp
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core_timing.cpp
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loader.cpp
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loader/elf.cpp
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loader/loader.cpp
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loader/ncch.cpp
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mem_map.cpp
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mem_map_funcs.cpp
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system.cpp
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@ -27,7 +29,6 @@ set(SRCS core.cpp
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arm/interpreter/mmu/tlb.cpp
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arm/interpreter/mmu/wb.cpp
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arm/interpreter/mmu/xscale_copro.cpp
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elf/elf_reader.cpp
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file_sys/directory_file_system.cpp
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file_sys/meta_file_system.cpp
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hle/hle.cpp
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@ -50,7 +51,9 @@ set(SRCS core.cpp
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set(HEADERS core.h
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core_timing.h
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loader.h
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loader/elf.h
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loader/loader.h
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loader/ncch.h
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mem_map.h
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system.h
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arm/disassembler/arm_disasm.h
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@ -72,8 +75,6 @@ set(HEADERS core.h
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arm/interpreter/vfp/asm_vfp.h
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arm/interpreter/vfp/vfp.h
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arm/interpreter/vfp/vfp_helper.h
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elf/elf_reader.h
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elf/elf_types.h
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file_sys/directory_file_system.h
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file_sys/file_sys.h
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file_sys/meta_file_system.h
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@ -162,7 +162,6 @@
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<ClCompile Include="arm\interpreter\vfp\vfpsingle.cpp" />
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<ClCompile Include="core.cpp" />
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<ClCompile Include="core_timing.cpp" />
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<ClCompile Include="elf\elf_reader.cpp" />
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<ClCompile Include="file_sys\directory_file_system.cpp" />
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<ClCompile Include="file_sys\meta_file_system.cpp" />
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<ClCompile Include="hle\config_mem.cpp" />
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@ -182,7 +181,9 @@
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<ClCompile Include="hw\gpu.cpp" />
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<ClCompile Include="hw\hw.cpp" />
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<ClCompile Include="hw\ndma.cpp" />
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<ClCompile Include="loader.cpp" />
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<ClCompile Include="loader\elf.cpp" />
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<ClCompile Include="loader\loader.cpp" />
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<ClCompile Include="loader\ncch.cpp" />
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<ClCompile Include="mem_map.cpp" />
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<ClCompile Include="mem_map_funcs.cpp" />
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<ClCompile Include="system.cpp" />
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@ -210,8 +211,6 @@
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<ClInclude Include="arm\interpreter\vfp\vfp_helper.h" />
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<ClInclude Include="core.h" />
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<ClInclude Include="core_timing.h" />
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<ClInclude Include="elf\elf_reader.h" />
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<ClInclude Include="elf\elf_types.h" />
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<ClInclude Include="file_sys\directory_file_system.h" />
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<ClInclude Include="file_sys\file_sys.h" />
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<ClInclude Include="file_sys\meta_file_system.h" />
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@ -233,7 +232,9 @@
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<ClInclude Include="hw\gpu.h" />
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<ClInclude Include="hw\hw.h" />
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<ClInclude Include="hw\ndma.h" />
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<ClInclude Include="loader.h" />
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<ClInclude Include="loader\elf.h" />
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<ClInclude Include="loader\loader.h" />
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<ClInclude Include="loader\ncch.h" />
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<ClInclude Include="mem_map.h" />
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<ClInclude Include="system.h" />
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</ItemGroup>
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@ -243,4 +244,4 @@
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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</Project>
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@ -16,9 +16,6 @@
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<Filter Include="hw">
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<UniqueIdentifier>{d1158fc4-3e0f-431f-9d3b-f30bbfeb4ad5}</UniqueIdentifier>
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</Filter>
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<Filter Include="elf">
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<UniqueIdentifier>{7ae34319-6d72-4d12-bc62-9b438ba9241f}</UniqueIdentifier>
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</Filter>
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<Filter Include="hle">
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<UniqueIdentifier>{8b62769e-3e2a-4a57-a7bc-b3b2933c2bc7}</UniqueIdentifier>
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</Filter>
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@ -34,6 +31,9 @@
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<Filter Include="hle\kernel">
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<UniqueIdentifier>{8089d94b-5faa-43dc-854b-ffd2fa2e7fe3}</UniqueIdentifier>
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</Filter>
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<Filter Include="loader">
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<UniqueIdentifier>{491d5558-5f3a-4283-8ba4-0a58b1984e37}</UniqueIdentifier>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="arm\disassembler\arm_disasm.cpp">
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@ -72,11 +72,7 @@
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<ClCompile Include="hw\hw.cpp">
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<Filter>hw</Filter>
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</ClCompile>
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<ClCompile Include="elf\elf_reader.cpp">
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<Filter>elf</Filter>
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</ClCompile>
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<ClCompile Include="core.cpp" />
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<ClCompile Include="loader.cpp" />
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<ClCompile Include="mem_map.cpp" />
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<ClCompile Include="mem_map_funcs.cpp" />
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<ClCompile Include="system.cpp" />
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@ -171,6 +167,15 @@
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<ClCompile Include="hle\service\ndm.cpp">
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<Filter>hle\service</Filter>
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</ClCompile>
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<ClCompile Include="loader\loader.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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<ClCompile Include="loader\ncch.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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<ClCompile Include="loader\elf.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="arm\disassembler\arm_disasm.h">
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@ -212,18 +217,11 @@
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<ClInclude Include="hw\hw.h">
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<Filter>hw</Filter>
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</ClInclude>
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<ClInclude Include="elf\elf_reader.h">
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<Filter>elf</Filter>
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</ClInclude>
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<ClInclude Include="elf\elf_types.h">
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<Filter>elf</Filter>
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</ClInclude>
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<ClInclude Include="arm\arm_interface.h">
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<Filter>arm</Filter>
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</ClInclude>
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<ClInclude Include="core.h" />
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<ClInclude Include="core_timing.h" />
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<ClInclude Include="loader.h" />
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<ClInclude Include="mem_map.h" />
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<ClInclude Include="system.h" />
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<ClInclude Include="hle\hle.h">
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@ -307,8 +305,17 @@
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<ClInclude Include="hle\service\ndm.h">
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<Filter>hle\service</Filter>
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</ClInclude>
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<ClInclude Include="loader\loader.h">
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<Filter>loader</Filter>
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</ClInclude>
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<ClInclude Include="loader\ncch.h">
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<Filter>loader</Filter>
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</ClInclude>
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<ClInclude Include="loader\elf.h">
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<Filter>loader</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<Text Include="CMakeLists.txt" />
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</ItemGroup>
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</Project>
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</Project>
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@ -1,190 +0,0 @@
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <string>
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#include "common/common.h"
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#include "common/symbols.h"
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#include "core/mem_map.h"
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#include "core/elf/elf_reader.h"
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//void bswap(Elf32_Word &w) {w = Common::swap32(w);}
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//void bswap(Elf32_Half &w) {w = Common::swap16(w);}
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#define bswap(w) w // Dirty bswap disable for now... 3DS is little endian, anyway
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static void byteswapHeader(Elf32_Ehdr &ELF_H)
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{
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bswap(ELF_H.e_type);
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bswap(ELF_H.e_machine);
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bswap(ELF_H.e_ehsize);
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bswap(ELF_H.e_phentsize);
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bswap(ELF_H.e_phnum);
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bswap(ELF_H.e_shentsize);
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bswap(ELF_H.e_shnum);
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bswap(ELF_H.e_shstrndx);
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bswap(ELF_H.e_version);
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bswap(ELF_H.e_entry);
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bswap(ELF_H.e_phoff);
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bswap(ELF_H.e_shoff);
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bswap(ELF_H.e_flags);
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}
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static void byteswapSegment(Elf32_Phdr &sec)
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{
|
||||
bswap(sec.p_align);
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||||
bswap(sec.p_filesz);
|
||||
bswap(sec.p_flags);
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||||
bswap(sec.p_memsz);
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||||
bswap(sec.p_offset);
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||||
bswap(sec.p_paddr);
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bswap(sec.p_vaddr);
|
||||
bswap(sec.p_type);
|
||||
}
|
||||
|
||||
static void byteswapSection(Elf32_Shdr &sec)
|
||||
{
|
||||
bswap(sec.sh_addr);
|
||||
bswap(sec.sh_addralign);
|
||||
bswap(sec.sh_entsize);
|
||||
bswap(sec.sh_flags);
|
||||
bswap(sec.sh_info);
|
||||
bswap(sec.sh_link);
|
||||
bswap(sec.sh_name);
|
||||
bswap(sec.sh_offset);
|
||||
bswap(sec.sh_size);
|
||||
bswap(sec.sh_type);
|
||||
}
|
||||
|
||||
ElfReader::ElfReader(void *ptr)
|
||||
{
|
||||
base = (char*)ptr;
|
||||
base32 = (u32 *)ptr;
|
||||
header = (Elf32_Ehdr*)ptr;
|
||||
byteswapHeader(*header);
|
||||
|
||||
segments = (Elf32_Phdr *)(base + header->e_phoff);
|
||||
sections = (Elf32_Shdr *)(base + header->e_shoff);
|
||||
|
||||
entryPoint = header->e_entry;
|
||||
|
||||
LoadSymbols();
|
||||
}
|
||||
|
||||
const char *ElfReader::GetSectionName(int section) const
|
||||
{
|
||||
if (sections[section].sh_type == SHT_NULL)
|
||||
return nullptr;
|
||||
|
||||
int nameOffset = sections[section].sh_name;
|
||||
char *ptr = (char*)GetSectionDataPtr(header->e_shstrndx);
|
||||
|
||||
if (ptr)
|
||||
return ptr + nameOffset;
|
||||
else
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadInto(u32 vaddr)
|
||||
{
|
||||
DEBUG_LOG(MASTER_LOG,"String section: %i", header->e_shstrndx);
|
||||
|
||||
// Should we relocate?
|
||||
bRelocate = (header->e_type != ET_EXEC);
|
||||
|
||||
if (bRelocate)
|
||||
{
|
||||
DEBUG_LOG(MASTER_LOG,"Relocatable module");
|
||||
entryPoint += vaddr;
|
||||
}
|
||||
else
|
||||
{
|
||||
DEBUG_LOG(MASTER_LOG,"Prerelocated executable");
|
||||
}
|
||||
|
||||
INFO_LOG(MASTER_LOG,"%i segments:", header->e_phnum);
|
||||
|
||||
// First pass : Get the bits into RAM
|
||||
u32 segmentVAddr[32];
|
||||
|
||||
u32 baseAddress = bRelocate?vaddr:0;
|
||||
|
||||
for (int i = 0; i < header->e_phnum; i++)
|
||||
{
|
||||
Elf32_Phdr *p = segments + i;
|
||||
|
||||
INFO_LOG(MASTER_LOG, "Type: %i Vaddr: %08x Filesz: %i Memsz: %i ", p->p_type, p->p_vaddr, p->p_filesz, p->p_memsz);
|
||||
|
||||
if (p->p_type == PT_LOAD)
|
||||
{
|
||||
segmentVAddr[i] = baseAddress + p->p_vaddr;
|
||||
u32 writeAddr = segmentVAddr[i];
|
||||
|
||||
const u8 *src = GetSegmentPtr(i);
|
||||
u8 *dst = Memory::GetPointer(writeAddr);
|
||||
u32 srcSize = p->p_filesz;
|
||||
u32 dstSize = p->p_memsz;
|
||||
u32 *s = (u32*)src;
|
||||
u32 *d = (u32*)dst;
|
||||
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
||||
{
|
||||
*d++ = /*_byteswap_ulong*/(*s++);
|
||||
}
|
||||
if (srcSize < dstSize)
|
||||
{
|
||||
//memset(dst + srcSize, 0, dstSize-srcSize); //zero out bss
|
||||
}
|
||||
INFO_LOG(MASTER_LOG,"Loadable Segment Copied to %08x, size %08x", writeAddr, p->p_memsz);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
INFO_LOG(MASTER_LOG,"Done loading.");
|
||||
return true;
|
||||
}
|
||||
|
||||
SectionID ElfReader::GetSectionByName(const char *name, int firstSection) const
|
||||
{
|
||||
for (int i = firstSection; i < header->e_shnum; i++)
|
||||
{
|
||||
const char *secname = GetSectionName(i);
|
||||
|
||||
if (secname != nullptr && strcmp(name, secname) == 0)
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadSymbols()
|
||||
{
|
||||
bool hasSymbols = false;
|
||||
SectionID sec = GetSectionByName(".symtab");
|
||||
if (sec != -1)
|
||||
{
|
||||
int stringSection = sections[sec].sh_link;
|
||||
const char *stringBase = (const char *)GetSectionDataPtr(stringSection);
|
||||
|
||||
//We have a symbol table!
|
||||
Elf32_Sym *symtab = (Elf32_Sym *)(GetSectionDataPtr(sec));
|
||||
int numSymbols = sections[sec].sh_size / sizeof(Elf32_Sym);
|
||||
for (int sym = 0; sym < numSymbols; sym++)
|
||||
{
|
||||
int size = symtab[sym].st_size;
|
||||
if (size == 0)
|
||||
continue;
|
||||
|
||||
// int bind = symtab[sym].st_info >> 4;
|
||||
int type = symtab[sym].st_info & 0xF;
|
||||
|
||||
const char *name = stringBase + symtab[sym].st_name;
|
||||
|
||||
Symbols::Add(symtab[sym].st_value, name, size, type);
|
||||
|
||||
hasSymbols = true;
|
||||
}
|
||||
}
|
||||
|
||||
return hasSymbols;
|
||||
}
|
|
@ -1,75 +0,0 @@
|
|||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "core/elf/elf_types.h"
|
||||
|
||||
enum KnownElfTypes
|
||||
{
|
||||
KNOWNELF_PSP = 0,
|
||||
KNOWNELF_DS = 1,
|
||||
KNOWNELF_GBA = 2,
|
||||
KNOWNELF_GC = 3,
|
||||
};
|
||||
|
||||
typedef int SectionID;
|
||||
|
||||
class ElfReader
|
||||
{
|
||||
private:
|
||||
char *base;
|
||||
u32 *base32;
|
||||
|
||||
Elf32_Ehdr *header;
|
||||
Elf32_Phdr *segments;
|
||||
Elf32_Shdr *sections;
|
||||
|
||||
u32 *sectionAddrs;
|
||||
bool bRelocate;
|
||||
u32 entryPoint;
|
||||
|
||||
public:
|
||||
ElfReader(void *ptr);
|
||||
~ElfReader() { }
|
||||
|
||||
u32 Read32(int off) const { return base32[off>>2]; }
|
||||
|
||||
// Quick accessors
|
||||
ElfType GetType() const { return (ElfType)(header->e_type); }
|
||||
ElfMachine GetMachine() const { return (ElfMachine)(header->e_machine); }
|
||||
u32 GetEntryPoint() const { return entryPoint; }
|
||||
u32 GetFlags() const { return (u32)(header->e_flags); }
|
||||
bool LoadInto(u32 vaddr);
|
||||
bool LoadSymbols();
|
||||
|
||||
int GetNumSegments() const { return (int)(header->e_phnum); }
|
||||
int GetNumSections() const { return (int)(header->e_shnum); }
|
||||
const u8 *GetPtr(int offset) const { return (u8*)base + offset; }
|
||||
const char *GetSectionName(int section) const;
|
||||
const u8 *GetSectionDataPtr(int section) const
|
||||
{
|
||||
if (section < 0 || section >= header->e_shnum)
|
||||
return nullptr;
|
||||
if (sections[section].sh_type != SHT_NOBITS)
|
||||
return GetPtr(sections[section].sh_offset);
|
||||
else
|
||||
return nullptr;
|
||||
}
|
||||
bool IsCodeSection(int section) const
|
||||
{
|
||||
return sections[section].sh_type == SHT_PROGBITS;
|
||||
}
|
||||
const u8 *GetSegmentPtr(int segment)
|
||||
{
|
||||
return GetPtr(segments[segment].p_offset);
|
||||
}
|
||||
u32 GetSectionAddr(SectionID section) const { return sectionAddrs[section]; }
|
||||
int GetSectionSize(SectionID section) const { return sections[section].sh_size; }
|
||||
SectionID GetSectionByName(const char *name, int firstSection = 0) const; //-1 for not found
|
||||
|
||||
bool DidRelocate() {
|
||||
return bRelocate;
|
||||
}
|
||||
};
|
|
@ -1,281 +0,0 @@
|
|||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
// ELF Header Constants
|
||||
|
||||
// File type
|
||||
enum ElfType
|
||||
{
|
||||
ET_NONE = 0,
|
||||
ET_REL = 1,
|
||||
ET_EXEC = 2,
|
||||
ET_DYN = 3,
|
||||
ET_CORE = 4,
|
||||
ET_LOPROC = 0xFF00,
|
||||
ET_HIPROC = 0xFFFF,
|
||||
};
|
||||
|
||||
// Machine/Architecture
|
||||
enum ElfMachine
|
||||
{
|
||||
EM_NONE = 0,
|
||||
EM_M32 = 1,
|
||||
EM_SPARC = 2,
|
||||
EM_386 = 3,
|
||||
EM_68K = 4,
|
||||
EM_88K = 5,
|
||||
EM_860 = 7,
|
||||
EM_MIPS = 8
|
||||
};
|
||||
|
||||
// File version
|
||||
#define EV_NONE 0
|
||||
#define EV_CURRENT 1
|
||||
|
||||
// Identification index
|
||||
#define EI_MAG0 0
|
||||
#define EI_MAG1 1
|
||||
#define EI_MAG2 2
|
||||
#define EI_MAG3 3
|
||||
#define EI_CLASS 4
|
||||
#define EI_DATA 5
|
||||
#define EI_VERSION 6
|
||||
#define EI_PAD 7
|
||||
#define EI_NIDENT 16
|
||||
|
||||
// Magic number
|
||||
#define ELFMAG0 0x7F
|
||||
#define ELFMAG1 'E'
|
||||
#define ELFMAG2 'L'
|
||||
#define ELFMAG3 'F'
|
||||
|
||||
// File class
|
||||
#define ELFCLASSNONE 0
|
||||
#define ELFCLASS32 1
|
||||
#define ELFCLASS64 2
|
||||
|
||||
// Encoding
|
||||
#define ELFDATANONE 0
|
||||
#define ELFDATA2LSB 1
|
||||
#define ELFDATA2MSB 2
|
||||
|
||||
|
||||
|
||||
// Sections constants
|
||||
|
||||
// Section indexes
|
||||
#define SHN_UNDEF 0
|
||||
#define SHN_LORESERVE 0xFF00
|
||||
#define SHN_LOPROC 0xFF00
|
||||
#define SHN_HIPROC 0xFF1F
|
||||
#define SHN_ABS 0xFFF1
|
||||
#define SHN_COMMON 0xFFF2
|
||||
#define SHN_HIRESERVE 0xFFFF
|
||||
|
||||
// Section types
|
||||
#define SHT_NULL 0
|
||||
#define SHT_PROGBITS 1
|
||||
#define SHT_SYMTAB 2
|
||||
#define SHT_STRTAB 3
|
||||
#define SHT_RELA 4
|
||||
#define SHT_HASH 5
|
||||
#define SHT_DYNAMIC 6
|
||||
#define SHT_NOTE 7
|
||||
#define SHT_NOBITS 8
|
||||
#define SHT_REL 9
|
||||
#define SHT_SHLIB 10
|
||||
#define SHT_DYNSYM 11
|
||||
#define SHT_LOPROC 0x70000000
|
||||
#define SHT_HIPROC 0x7FFFFFFF
|
||||
#define SHT_LOUSER 0x80000000
|
||||
#define SHT_HIUSER 0xFFFFFFFF
|
||||
|
||||
// Custom section types
|
||||
#define SHT_PSPREL 0x700000a0
|
||||
|
||||
|
||||
// Section flags
|
||||
enum ElfSectionFlags
|
||||
{
|
||||
SHF_WRITE = 0x1,
|
||||
SHF_ALLOC = 0x2,
|
||||
SHF_EXECINSTR = 0x4,
|
||||
SHF_MASKPROC = 0xF0000000,
|
||||
};
|
||||
|
||||
// Symbol binding
|
||||
#define STB_LOCAL 0
|
||||
#define STB_GLOBAL 1
|
||||
#define STB_WEAK 2
|
||||
#define STB_LOPROC 13
|
||||
#define STB_HIPROC 15
|
||||
|
||||
// Symbol types
|
||||
#define STT_NOTYPE 0
|
||||
#define STT_OBJECT 1
|
||||
#define STT_FUNC 2
|
||||
#define STT_SECTION 3
|
||||
#define STT_FILE 4
|
||||
#define STT_LOPROC 13
|
||||
#define STT_HIPROC 15
|
||||
|
||||
// Undefined name
|
||||
#define STN_UNDEF 0
|
||||
|
||||
// Relocation types
|
||||
#define R_386_NONE 0
|
||||
#define R_386_32 1
|
||||
#define R_386_PC32 2
|
||||
#define R_386_GOT32 3
|
||||
#define R_386_PLT32 4
|
||||
#define R_386_COPY 5
|
||||
#define R_386_GLOB_DAT 6
|
||||
#define R_386_JMP_SLOT 7
|
||||
#define R_386_RELATIVE 8
|
||||
#define R_386_GOTOFF 9
|
||||
#define R_386_GOTPC 10
|
||||
|
||||
// Segment types
|
||||
#define PT_NULL 0
|
||||
#define PT_LOAD 1
|
||||
#define PT_DYNAMIC 2
|
||||
#define PT_INTERP 3
|
||||
#define PT_NOTE 4
|
||||
#define PT_SHLIB 5
|
||||
#define PT_PHDR 6
|
||||
#define PT_LOPROC 0x70000000
|
||||
#define PT_HIPROC 0x7FFFFFFF
|
||||
|
||||
// Segment flags
|
||||
#define PF_X 1
|
||||
#define PF_W 2
|
||||
#define PF_R 4
|
||||
|
||||
// Dynamic Array Tags
|
||||
#define DT_NULL 0
|
||||
#define DT_NEEDED 1
|
||||
#define DT_PLTRELSZ 2
|
||||
#define DT_PLTGOT 3
|
||||
#define DT_HASH 4
|
||||
#define DT_STRTAB 5
|
||||
#define DT_SYMTAB 6
|
||||
#define DT_RELA 7
|
||||
#define DT_RELASZ 8
|
||||
#define DT_RELAENT 9
|
||||
#define DT_STRSZ 10
|
||||
#define DT_SYMENT 11
|
||||
#define DT_INIT 12
|
||||
#define DT_FINI 13
|
||||
#define DT_SONAME 14
|
||||
#define DT_RPATH 15
|
||||
#define DT_SYMBOLIC 16
|
||||
#define DT_REL 17
|
||||
#define DT_RELSZ 18
|
||||
#define DT_RELENT 19
|
||||
#define DT_PLTREL 20
|
||||
#define DT_DEBUG 21
|
||||
#define DT_TEXTREL 22
|
||||
#define DT_JMPREL 23
|
||||
#define DT_LOPROC 0x70000000
|
||||
#define DT_HIPROC 0x7FFFFFFF
|
||||
|
||||
typedef unsigned int Elf32_Addr;
|
||||
typedef unsigned short Elf32_Half;
|
||||
typedef unsigned int Elf32_Off;
|
||||
typedef signed int Elf32_Sword;
|
||||
typedef unsigned int Elf32_Word;
|
||||
|
||||
|
||||
// ELF file header
|
||||
struct Elf32_Ehdr
|
||||
{
|
||||
unsigned char e_ident[EI_NIDENT];
|
||||
Elf32_Half e_type;
|
||||
Elf32_Half e_machine;
|
||||
Elf32_Word e_version;
|
||||
Elf32_Addr e_entry;
|
||||
Elf32_Off e_phoff;
|
||||
Elf32_Off e_shoff;
|
||||
Elf32_Word e_flags;
|
||||
Elf32_Half e_ehsize;
|
||||
Elf32_Half e_phentsize;
|
||||
Elf32_Half e_phnum;
|
||||
Elf32_Half e_shentsize;
|
||||
Elf32_Half e_shnum;
|
||||
Elf32_Half e_shstrndx;
|
||||
};
|
||||
|
||||
// Section header
|
||||
struct Elf32_Shdr
|
||||
{
|
||||
Elf32_Word sh_name;
|
||||
Elf32_Word sh_type;
|
||||
Elf32_Word sh_flags;
|
||||
Elf32_Addr sh_addr;
|
||||
Elf32_Off sh_offset;
|
||||
Elf32_Word sh_size;
|
||||
Elf32_Word sh_link;
|
||||
Elf32_Word sh_info;
|
||||
Elf32_Word sh_addralign;
|
||||
Elf32_Word sh_entsize;
|
||||
};
|
||||
|
||||
// Segment header
|
||||
struct Elf32_Phdr
|
||||
{
|
||||
Elf32_Word p_type;
|
||||
Elf32_Off p_offset;
|
||||
Elf32_Addr p_vaddr;
|
||||
Elf32_Addr p_paddr;
|
||||
Elf32_Word p_filesz;
|
||||
Elf32_Word p_memsz;
|
||||
Elf32_Word p_flags;
|
||||
Elf32_Word p_align;
|
||||
};
|
||||
|
||||
// Symbol table entry
|
||||
struct Elf32_Sym
|
||||
{
|
||||
Elf32_Word st_name;
|
||||
Elf32_Addr st_value;
|
||||
Elf32_Word st_size;
|
||||
unsigned char st_info;
|
||||
unsigned char st_other;
|
||||
Elf32_Half st_shndx;
|
||||
};
|
||||
|
||||
#define ELF32_ST_BIND(i) ((i)>>4)
|
||||
#define ELF32_ST_TYPE(i) ((i)&0xf)
|
||||
#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
|
||||
|
||||
// Relocation entries
|
||||
struct Elf32_Rel
|
||||
{
|
||||
Elf32_Addr r_offset;
|
||||
Elf32_Word r_info;
|
||||
};
|
||||
|
||||
struct Elf32_Rela
|
||||
{
|
||||
Elf32_Addr r_offset;
|
||||
Elf32_Word r_info;
|
||||
Elf32_Sword r_addend;
|
||||
};
|
||||
|
||||
#define ELF32_R_SYM(i) ((i)>>8)
|
||||
#define ELF32_R_TYPE(i) ((unsigned char)(i))
|
||||
#define ELF32_R_INFO(s,t) (((s)<<8 )+(unsigned char)(t))
|
||||
|
||||
|
||||
struct Elf32_Dyn
|
||||
{
|
||||
Elf32_Sword d_tag;
|
||||
union
|
||||
{
|
||||
Elf32_Word d_val;
|
||||
Elf32_Addr d_ptr;
|
||||
} d_un;
|
||||
};
|
|
@ -1,275 +0,0 @@
|
|||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader.h"
|
||||
#include "core/system.h"
|
||||
#include "core/core.h"
|
||||
#include "core/file_sys/directory_file_system.h"
|
||||
#include "core/elf/elf_reader.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/mem_map.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/// Loads an extracted CXI from a directory
|
||||
bool LoadDirectory_CXI(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
DirectoryFileSystem *fs = new DirectoryFileSystem(&System::g_ctr_file_system, path);
|
||||
System::g_ctr_file_system.Mount("fs:", fs);
|
||||
|
||||
std::string final_name = "fs:/" + file + extension;
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
// TODO(ShizZy): read here to memory....
|
||||
}
|
||||
ERROR_LOG(TIME, "Unimplemented function!");
|
||||
return true;
|
||||
}
|
||||
|
||||
/// Loads a CTR ELF file
|
||||
bool Load_ELF(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
u64 size = f.GetSize();
|
||||
u8* buffer = new u8[size];
|
||||
ElfReader* elf_reader = NULL;
|
||||
|
||||
f.ReadBytes(buffer, size);
|
||||
|
||||
elf_reader = new ElfReader(buffer);
|
||||
elf_reader->LoadInto(0x00100000);
|
||||
|
||||
Kernel::LoadExec(elf_reader->GetEntryPoint());
|
||||
|
||||
delete[] buffer;
|
||||
delete elf_reader;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
f.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/// Loads a Launcher DAT file
|
||||
bool Load_DAT(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
u64 size = f.GetSize();
|
||||
u8* buffer = new u8[size];
|
||||
|
||||
f.ReadBytes(buffer, size);
|
||||
|
||||
/**
|
||||
* (mattvail) We shouldn't really support this type of file
|
||||
* but for the sake of making it easier... we'll temporarily/hackishly
|
||||
* allow it. No sense in making a proper reader for this.
|
||||
*/
|
||||
u32 entry_point = 0x00100000; // write to same entrypoint as elf
|
||||
u32 payload_offset = 0xA150;
|
||||
|
||||
const u8 *src = &buffer[payload_offset];
|
||||
u8 *dst = Memory::GetPointer(entry_point);
|
||||
u32 srcSize = size - payload_offset; //just load everything...
|
||||
u32 *s = (u32*)src;
|
||||
u32 *d = (u32*)dst;
|
||||
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
||||
{
|
||||
*d++ = (*s++);
|
||||
}
|
||||
|
||||
Kernel::LoadExec(entry_point);
|
||||
|
||||
|
||||
delete[] buffer;
|
||||
}
|
||||
else {
|
||||
return false;
|
||||
}
|
||||
f.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/// Loads a CTR BIN file extracted from an ExeFS
|
||||
bool Load_BIN(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
u64 size = f.GetSize();
|
||||
u8* buffer = new u8[size];
|
||||
|
||||
f.ReadBytes(buffer, size);
|
||||
|
||||
u32 entry_point = 0x00100000; // Hardcoded, read from exheader
|
||||
|
||||
const u8 *src = buffer;
|
||||
u8 *dst = Memory::GetPointer(entry_point);
|
||||
u32 srcSize = size;
|
||||
u32 *s = (u32*)src;
|
||||
u32 *d = (u32*)dst;
|
||||
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
||||
{
|
||||
*d++ = (*s++);
|
||||
}
|
||||
|
||||
Kernel::LoadExec(entry_point);
|
||||
|
||||
delete[] buffer;
|
||||
}
|
||||
else {
|
||||
return false;
|
||||
}
|
||||
f.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
namespace Loader {
|
||||
|
||||
bool IsBootableDirectory() {
|
||||
ERROR_LOG(TIME, "Unimplemented function!");
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @todo (ShizZy) this function sucks... make it actually check file contents etc.
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(std::string &filename) {
|
||||
if (filename.size() == 0) {
|
||||
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
|
||||
return FILETYPE_ERROR;
|
||||
}
|
||||
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
|
||||
|
||||
if (File::IsDirectory(filename)) {
|
||||
if (IsBootableDirectory()) {
|
||||
return FILETYPE_DIRECTORY_CXI;
|
||||
}
|
||||
else {
|
||||
return FILETYPE_NORMAL_DIRECTORY;
|
||||
}
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".elf")) {
|
||||
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".axf")) {
|
||||
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".bin")) {
|
||||
return FILETYPE_CTR_BIN;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".dat")) {
|
||||
return FILETYPE_LAUNCHER_DAT;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".zip")) {
|
||||
return FILETYPE_ARCHIVE_ZIP;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".rar")) {
|
||||
return FILETYPE_ARCHIVE_RAR;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".r00")) {
|
||||
return FILETYPE_ARCHIVE_RAR;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".r01")) {
|
||||
return FILETYPE_ARCHIVE_RAR;
|
||||
}
|
||||
return FILETYPE_UNKNOWN;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @param error_string Point to string to put error message if an error has occurred
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
bool LoadFile(std::string &filename, std::string *error_string) {
|
||||
INFO_LOG(LOADER, "Identifying file...");
|
||||
|
||||
// Note that this can modify filename!
|
||||
switch (IdentifyFile(filename)) {
|
||||
|
||||
case FILETYPE_CTR_ELF:
|
||||
return Load_ELF(filename);
|
||||
|
||||
case FILETYPE_CTR_BIN:
|
||||
return Load_BIN(filename);
|
||||
|
||||
case FILETYPE_LAUNCHER_DAT:
|
||||
return Load_DAT(filename);
|
||||
|
||||
case FILETYPE_DIRECTORY_CXI:
|
||||
return LoadDirectory_CXI(filename);
|
||||
|
||||
case FILETYPE_ERROR:
|
||||
ERROR_LOG(LOADER, "Could not read file");
|
||||
*error_string = "Error reading file";
|
||||
break;
|
||||
|
||||
case FILETYPE_ARCHIVE_RAR:
|
||||
#ifdef WIN32
|
||||
*error_string = "RAR file detected (Require WINRAR)";
|
||||
#else
|
||||
*error_string = "RAR file detected (Require UnRAR)";
|
||||
#endif
|
||||
break;
|
||||
|
||||
case FILETYPE_ARCHIVE_ZIP:
|
||||
#ifdef WIN32
|
||||
*error_string = "ZIP file detected (Require WINRAR)";
|
||||
#else
|
||||
*error_string = "ZIP file detected (Require UnRAR)";
|
||||
#endif
|
||||
break;
|
||||
|
||||
case FILETYPE_NORMAL_DIRECTORY:
|
||||
ERROR_LOG(LOADER, "Just a directory.");
|
||||
*error_string = "Just a directory.";
|
||||
break;
|
||||
|
||||
case FILETYPE_UNKNOWN_BIN:
|
||||
case FILETYPE_UNKNOWN_ELF:
|
||||
case FILETYPE_UNKNOWN:
|
||||
default:
|
||||
ERROR_LOG(LOADER, "Failed to identify file");
|
||||
*error_string = " Failed to identify file";
|
||||
break;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
} // namespace
|
|
@ -1,54 +0,0 @@
|
|||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace Loader {
|
||||
|
||||
enum FileType {
|
||||
FILETYPE_ERROR,
|
||||
|
||||
FILETYPE_CTR_CCI,
|
||||
FILETYPE_CTR_CIA,
|
||||
FILETYPE_CTR_CXI,
|
||||
FILETYPE_CTR_ELF,
|
||||
FILETYPE_CTR_BIN,
|
||||
|
||||
FILETYPE_LAUNCHER_DAT,
|
||||
|
||||
FILETYPE_DIRECTORY_CXI,
|
||||
|
||||
FILETYPE_UNKNOWN_BIN,
|
||||
FILETYPE_UNKNOWN_ELF,
|
||||
|
||||
FILETYPE_ARCHIVE_RAR,
|
||||
FILETYPE_ARCHIVE_ZIP,
|
||||
|
||||
FILETYPE_NORMAL_DIRECTORY,
|
||||
|
||||
FILETYPE_UNKNOWN
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(std::string &filename);
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @param error_string Point to string to put error message if an error has occurred
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
bool LoadFile(std::string &filename, std::string *error_string);
|
||||
|
||||
} // namespace
|
|
@ -0,0 +1,370 @@
|
|||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <string>
|
||||
#include <memory>
|
||||
|
||||
#include "common/common.h"
|
||||
#include "common/file_util.h"
|
||||
#include "common/symbols.h"
|
||||
|
||||
#include "core/mem_map.h"
|
||||
#include "core/loader/elf.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ELF Header Constants
|
||||
|
||||
// File type
|
||||
enum ElfType {
|
||||
ET_NONE = 0,
|
||||
ET_REL = 1,
|
||||
ET_EXEC = 2,
|
||||
ET_DYN = 3,
|
||||
ET_CORE = 4,
|
||||
ET_LOPROC = 0xFF00,
|
||||
ET_HIPROC = 0xFFFF,
|
||||
};
|
||||
|
||||
// Machine/Architecture
|
||||
enum ElfMachine {
|
||||
EM_NONE = 0,
|
||||
EM_M32 = 1,
|
||||
EM_SPARC = 2,
|
||||
EM_386 = 3,
|
||||
EM_68K = 4,
|
||||
EM_88K = 5,
|
||||
EM_860 = 7,
|
||||
EM_MIPS = 8
|
||||
};
|
||||
|
||||
// File version
|
||||
#define EV_NONE 0
|
||||
#define EV_CURRENT 1
|
||||
|
||||
// Identification index
|
||||
#define EI_MAG0 0
|
||||
#define EI_MAG1 1
|
||||
#define EI_MAG2 2
|
||||
#define EI_MAG3 3
|
||||
#define EI_CLASS 4
|
||||
#define EI_DATA 5
|
||||
#define EI_VERSION 6
|
||||
#define EI_PAD 7
|
||||
#define EI_NIDENT 16
|
||||
|
||||
// Magic number
|
||||
#define ELFMAG0 0x7F
|
||||
#define ELFMAG1 'E'
|
||||
#define ELFMAG2 'L'
|
||||
#define ELFMAG3 'F'
|
||||
|
||||
// Sections constants
|
||||
|
||||
// Section types
|
||||
#define SHT_NULL 0
|
||||
#define SHT_PROGBITS 1
|
||||
#define SHT_SYMTAB 2
|
||||
#define SHT_STRTAB 3
|
||||
#define SHT_RELA 4
|
||||
#define SHT_HASH 5
|
||||
#define SHT_DYNAMIC 6
|
||||
#define SHT_NOTE 7
|
||||
#define SHT_NOBITS 8
|
||||
#define SHT_REL 9
|
||||
#define SHT_SHLIB 10
|
||||
#define SHT_DYNSYM 11
|
||||
#define SHT_LOPROC 0x70000000
|
||||
#define SHT_HIPROC 0x7FFFFFFF
|
||||
#define SHT_LOUSER 0x80000000
|
||||
#define SHT_HIUSER 0xFFFFFFFF
|
||||
|
||||
// Section flags
|
||||
enum ElfSectionFlags
|
||||
{
|
||||
SHF_WRITE = 0x1,
|
||||
SHF_ALLOC = 0x2,
|
||||
SHF_EXECINSTR = 0x4,
|
||||
SHF_MASKPROC = 0xF0000000,
|
||||
};
|
||||
|
||||
// Segment types
|
||||
#define PT_NULL 0
|
||||
#define PT_LOAD 1
|
||||
#define PT_DYNAMIC 2
|
||||
#define PT_INTERP 3
|
||||
#define PT_NOTE 4
|
||||
#define PT_SHLIB 5
|
||||
#define PT_PHDR 6
|
||||
#define PT_LOPROC 0x70000000
|
||||
#define PT_HIPROC 0x7FFFFFFF
|
||||
|
||||
typedef unsigned int Elf32_Addr;
|
||||
typedef unsigned short Elf32_Half;
|
||||
typedef unsigned int Elf32_Off;
|
||||
typedef signed int Elf32_Sword;
|
||||
typedef unsigned int Elf32_Word;
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ELF file header
|
||||
|
||||
struct Elf32_Ehdr {
|
||||
unsigned char e_ident[EI_NIDENT];
|
||||
Elf32_Half e_type;
|
||||
Elf32_Half e_machine;
|
||||
Elf32_Word e_version;
|
||||
Elf32_Addr e_entry;
|
||||
Elf32_Off e_phoff;
|
||||
Elf32_Off e_shoff;
|
||||
Elf32_Word e_flags;
|
||||
Elf32_Half e_ehsize;
|
||||
Elf32_Half e_phentsize;
|
||||
Elf32_Half e_phnum;
|
||||
Elf32_Half e_shentsize;
|
||||
Elf32_Half e_shnum;
|
||||
Elf32_Half e_shstrndx;
|
||||
};
|
||||
|
||||
// Section header
|
||||
struct Elf32_Shdr {
|
||||
Elf32_Word sh_name;
|
||||
Elf32_Word sh_type;
|
||||
Elf32_Word sh_flags;
|
||||
Elf32_Addr sh_addr;
|
||||
Elf32_Off sh_offset;
|
||||
Elf32_Word sh_size;
|
||||
Elf32_Word sh_link;
|
||||
Elf32_Word sh_info;
|
||||
Elf32_Word sh_addralign;
|
||||
Elf32_Word sh_entsize;
|
||||
};
|
||||
|
||||
// Segment header
|
||||
struct Elf32_Phdr {
|
||||
Elf32_Word p_type;
|
||||
Elf32_Off p_offset;
|
||||
Elf32_Addr p_vaddr;
|
||||
Elf32_Addr p_paddr;
|
||||
Elf32_Word p_filesz;
|
||||
Elf32_Word p_memsz;
|
||||
Elf32_Word p_flags;
|
||||
Elf32_Word p_align;
|
||||
};
|
||||
|
||||
// Symbol table entry
|
||||
struct Elf32_Sym {
|
||||
Elf32_Word st_name;
|
||||
Elf32_Addr st_value;
|
||||
Elf32_Word st_size;
|
||||
unsigned char st_info;
|
||||
unsigned char st_other;
|
||||
Elf32_Half st_shndx;
|
||||
};
|
||||
|
||||
// Relocation entries
|
||||
struct Elf32_Rel {
|
||||
Elf32_Addr r_offset;
|
||||
Elf32_Word r_info;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ElfReader class
|
||||
|
||||
typedef int SectionID;
|
||||
|
||||
class ElfReader {
|
||||
private:
|
||||
char *base;
|
||||
u32 *base32;
|
||||
|
||||
Elf32_Ehdr *header;
|
||||
Elf32_Phdr *segments;
|
||||
Elf32_Shdr *sections;
|
||||
|
||||
u32 *sectionAddrs;
|
||||
bool relocate;
|
||||
u32 entryPoint;
|
||||
|
||||
public:
|
||||
ElfReader(void *ptr);
|
||||
~ElfReader() { }
|
||||
|
||||
u32 Read32(int off) const { return base32[off >> 2]; }
|
||||
|
||||
// Quick accessors
|
||||
ElfType GetType() const { return (ElfType)(header->e_type); }
|
||||
ElfMachine GetMachine() const { return (ElfMachine)(header->e_machine); }
|
||||
u32 GetEntryPoint() const { return entryPoint; }
|
||||
u32 GetFlags() const { return (u32)(header->e_flags); }
|
||||
bool LoadInto(u32 vaddr);
|
||||
bool LoadSymbols();
|
||||
|
||||
int GetNumSegments() const { return (int)(header->e_phnum); }
|
||||
int GetNumSections() const { return (int)(header->e_shnum); }
|
||||
const u8 *GetPtr(int offset) const { return (u8*)base + offset; }
|
||||
const char *GetSectionName(int section) const;
|
||||
const u8 *GetSectionDataPtr(int section) const {
|
||||
if (section < 0 || section >= header->e_shnum)
|
||||
return nullptr;
|
||||
if (sections[section].sh_type != SHT_NOBITS)
|
||||
return GetPtr(sections[section].sh_offset);
|
||||
else
|
||||
return nullptr;
|
||||
}
|
||||
bool IsCodeSection(int section) const {
|
||||
return sections[section].sh_type == SHT_PROGBITS;
|
||||
}
|
||||
const u8 *GetSegmentPtr(int segment) {
|
||||
return GetPtr(segments[segment].p_offset);
|
||||
}
|
||||
u32 GetSectionAddr(SectionID section) const { return sectionAddrs[section]; }
|
||||
int GetSectionSize(SectionID section) const { return sections[section].sh_size; }
|
||||
SectionID GetSectionByName(const char *name, int firstSection = 0) const; //-1 for not found
|
||||
|
||||
bool DidRelocate() {
|
||||
return relocate;
|
||||
}
|
||||
};
|
||||
|
||||
ElfReader::ElfReader(void *ptr) {
|
||||
base = (char*)ptr;
|
||||
base32 = (u32 *)ptr;
|
||||
header = (Elf32_Ehdr*)ptr;
|
||||
|
||||
segments = (Elf32_Phdr *)(base + header->e_phoff);
|
||||
sections = (Elf32_Shdr *)(base + header->e_shoff);
|
||||
|
||||
entryPoint = header->e_entry;
|
||||
|
||||
LoadSymbols();
|
||||
}
|
||||
|
||||
const char *ElfReader::GetSectionName(int section) const {
|
||||
if (sections[section].sh_type == SHT_NULL)
|
||||
return nullptr;
|
||||
|
||||
int name_offset = sections[section].sh_name;
|
||||
char *ptr = (char*)GetSectionDataPtr(header->e_shstrndx);
|
||||
|
||||
if (ptr)
|
||||
return ptr + name_offset;
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadInto(u32 vaddr) {
|
||||
DEBUG_LOG(MASTER_LOG, "String section: %i", header->e_shstrndx);
|
||||
|
||||
// Should we relocate?
|
||||
relocate = (header->e_type != ET_EXEC);
|
||||
|
||||
if (relocate) {
|
||||
DEBUG_LOG(MASTER_LOG, "Relocatable module");
|
||||
entryPoint += vaddr;
|
||||
} else {
|
||||
DEBUG_LOG(MASTER_LOG, "Prerelocated executable");
|
||||
}
|
||||
INFO_LOG(MASTER_LOG, "%i segments:", header->e_phnum);
|
||||
|
||||
// First pass : Get the bits into RAM
|
||||
u32 segment_addr[32];
|
||||
u32 base_addr = relocate ? vaddr : 0;
|
||||
|
||||
for (int i = 0; i < header->e_phnum; i++) {
|
||||
Elf32_Phdr *p = segments + i;
|
||||
INFO_LOG(MASTER_LOG, "Type: %i Vaddr: %08x Filesz: %i Memsz: %i ", p->p_type, p->p_vaddr,
|
||||
p->p_filesz, p->p_memsz);
|
||||
|
||||
if (p->p_type == PT_LOAD) {
|
||||
segment_addr[i] = base_addr + p->p_vaddr;
|
||||
memcpy(Memory::GetPointer(segment_addr[i]), GetSegmentPtr(i), p->p_filesz);
|
||||
INFO_LOG(MASTER_LOG, "Loadable Segment Copied to %08x, size %08x", segment_addr[i],
|
||||
p->p_memsz);
|
||||
}
|
||||
}
|
||||
INFO_LOG(MASTER_LOG, "Done loading.");
|
||||
return true;
|
||||
}
|
||||
|
||||
SectionID ElfReader::GetSectionByName(const char *name, int firstSection) const {
|
||||
for (int i = firstSection; i < header->e_shnum; i++) {
|
||||
const char *secname = GetSectionName(i);
|
||||
|
||||
if (secname != nullptr && strcmp(name, secname) == 0)
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadSymbols() {
|
||||
bool hasSymbols = false;
|
||||
SectionID sec = GetSectionByName(".symtab");
|
||||
if (sec != -1) {
|
||||
int stringSection = sections[sec].sh_link;
|
||||
const char *stringBase = (const char *)GetSectionDataPtr(stringSection);
|
||||
|
||||
//We have a symbol table!
|
||||
Elf32_Sym *symtab = (Elf32_Sym *)(GetSectionDataPtr(sec));
|
||||
int numSymbols = sections[sec].sh_size / sizeof(Elf32_Sym);
|
||||
for (int sym = 0; sym < numSymbols; sym++) {
|
||||
int size = symtab[sym].st_size;
|
||||
if (size == 0)
|
||||
continue;
|
||||
|
||||
int type = symtab[sym].st_info & 0xF;
|
||||
|
||||
const char *name = stringBase + symtab[sym].st_name;
|
||||
|
||||
Symbols::Add(symtab[sym].st_value, name, size, type);
|
||||
|
||||
hasSymbols = true;
|
||||
}
|
||||
}
|
||||
|
||||
return hasSymbols;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// AppLoader_ELF constructor
|
||||
AppLoader_ELF::AppLoader_ELF(const std::string& filename) : is_loaded(false) {
|
||||
this->filename = filename;
|
||||
}
|
||||
|
||||
/// AppLoader_NCCH destructor
|
||||
AppLoader_ELF::~AppLoader_ELF() {
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
|
||||
* @param error_string Pointer to string to put error message if an error has occurred
|
||||
* @todo Move NCSD parsing out of here and create a separate function for loading these
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
ResultStatus AppLoader_ELF::Load() {
|
||||
INFO_LOG(LOADER, "Loading ELF file %s...", filename.c_str());
|
||||
|
||||
if (is_loaded)
|
||||
return ResultStatus::ErrorAlreadyLoaded;
|
||||
|
||||
File::IOFile file(filename, "rb");
|
||||
|
||||
if (file.IsOpen()) {
|
||||
u32 size = (u32)file.GetSize();
|
||||
std::unique_ptr<u8[]> buffer(new u8[size]);
|
||||
file.ReadBytes(&buffer[0], size);
|
||||
|
||||
ElfReader elf_reader(&buffer[0]);
|
||||
elf_reader.LoadInto(0x00100000);
|
||||
Kernel::LoadExec(elf_reader.GetEntryPoint());
|
||||
} else {
|
||||
return ResultStatus::Error;
|
||||
}
|
||||
return ResultStatus::Success;
|
||||
}
|
||||
|
||||
} // namespace Loader
|
|
@ -0,0 +1,32 @@
|
|||
// Copyright 2013 Dolphin Emulator Project / Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "core/loader/loader.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// Loads an ELF/AXF file
|
||||
class AppLoader_ELF : public AppLoader {
|
||||
public:
|
||||
AppLoader_ELF(const std::string& filename);
|
||||
~AppLoader_ELF();
|
||||
|
||||
/**
|
||||
* Load the bootable file
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus Load();
|
||||
|
||||
private:
|
||||
std::string filename;
|
||||
bool is_loaded;
|
||||
};
|
||||
|
||||
} // namespace Loader
|
|
@ -0,0 +1,77 @@
|
|||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "core/loader/loader.h"
|
||||
#include "core/loader/elf.h"
|
||||
#include "core/loader/ncch.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @todo (ShizZy) this function sucks... make it actually check file contents etc.
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(const std::string &filename) {
|
||||
if (filename.size() == 0) {
|
||||
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
|
||||
return FileType::Error;
|
||||
}
|
||||
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
|
||||
|
||||
if (!strcasecmp(extension.c_str(), ".elf")) {
|
||||
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".axf")) {
|
||||
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".cxi")) {
|
||||
return FileType::CXI; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".cci")) {
|
||||
return FileType::CCI; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
return FileType::Unknown;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus LoadFile(const std::string& filename) {
|
||||
INFO_LOG(LOADER, "Loading file %s...", filename.c_str());
|
||||
|
||||
switch (IdentifyFile(filename)) {
|
||||
|
||||
// Standard ELF file format...
|
||||
case FileType::ELF: {
|
||||
return AppLoader_ELF(filename).Load();
|
||||
}
|
||||
|
||||
// NCCH/NCSD container formats...
|
||||
case FileType::CXI:
|
||||
case FileType::CCI: {
|
||||
return AppLoader_NCCH(filename).Load();
|
||||
}
|
||||
|
||||
// Error occurred durring IdentifyFile...
|
||||
case FileType::Error:
|
||||
|
||||
// IdentifyFile could know identify file type...
|
||||
case FileType::Unknown:
|
||||
|
||||
default:
|
||||
return ResultStatus::ErrorInvalidFormat;
|
||||
}
|
||||
|
||||
return ResultStatus::Error;
|
||||
}
|
||||
|
||||
} // namespace Loader
|
|
@ -0,0 +1,121 @@
|
|||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <vector>
|
||||
|
||||
#include "common/common.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// File types supported by CTR
|
||||
enum class FileType {
|
||||
Error,
|
||||
Unknown,
|
||||
CCI,
|
||||
CXI,
|
||||
CIA,
|
||||
ELF,
|
||||
};
|
||||
|
||||
/// Return type for functions in Loader namespace
|
||||
enum class ResultStatus {
|
||||
Success,
|
||||
Error,
|
||||
ErrorInvalidFormat,
|
||||
ErrorNotImplemented,
|
||||
ErrorNotLoaded,
|
||||
ErrorNotUsed,
|
||||
ErrorAlreadyLoaded,
|
||||
};
|
||||
|
||||
/// Interface for loading an application
|
||||
class AppLoader : NonCopyable {
|
||||
public:
|
||||
AppLoader() { }
|
||||
virtual ~AppLoader() { }
|
||||
|
||||
/**
|
||||
* Load the application
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
virtual ResultStatus Load() = 0;
|
||||
|
||||
/**
|
||||
* Get the code (typically .code section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to code buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadCode(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return code;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the icon (typically icon section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to icon buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadIcon(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return icon;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the banner (typically banner section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to banner buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadBanner(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return banner;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the logo (typically logo section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to logo buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadLogo(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return logo;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the RomFs archive of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to RomFs archive buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadRomFS(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return romfs;
|
||||
}
|
||||
|
||||
protected:
|
||||
std::vector<u8> code; ///< ExeFS .code section
|
||||
std::vector<u8> icon; ///< ExeFS .icon section
|
||||
std::vector<u8> banner; ///< ExeFS .banner section
|
||||
std::vector<u8> logo; ///< ExeFS .logo section
|
||||
std::vector<u8> romfs; ///< RomFs archive
|
||||
};
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(const std::string &filename);
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus LoadFile(const std::string& filename);
|
||||
|
||||
} // namespace
|
|
@ -0,0 +1,312 @@
|
|||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader/ncch.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/mem_map.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
static const int kMaxSections = 8; ///< Maximum number of sections (files) in an ExeFs
|
||||
static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes)
|
||||
|
||||
/**
|
||||
* Get the decompressed size of an LZSS compressed ExeFS file
|
||||
* @param buffer Buffer of compressed file
|
||||
* @param size Size of compressed buffer
|
||||
* @return Size of decompressed buffer
|
||||
*/
|
||||
u32 LZSS_GetDecompressedSize(u8* buffer, u32 size) {
|
||||
u32 offset_size = *(u32*)(buffer + size - 4);
|
||||
return offset_size + size;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decompress ExeFS file (compressed with LZSS)
|
||||
* @param compressed Compressed buffer
|
||||
* @param compressed_size Size of compressed buffer
|
||||
* @param decompressed Decompressed buffer
|
||||
* @param decompressed_size Size of decompressed buffer
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) {
|
||||
u8* footer = compressed + compressed_size - 8;
|
||||
u32 buffer_top_and_bottom = *(u32*)footer;
|
||||
u32 i, j;
|
||||
u32 out = decompressed_size;
|
||||
u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF);
|
||||
u8 control;
|
||||
u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF);
|
||||
|
||||
memset(decompressed, 0, decompressed_size);
|
||||
memcpy(decompressed, compressed, compressed_size);
|
||||
|
||||
while(index > stop_index) {
|
||||
control = compressed[--index];
|
||||
|
||||
for(i = 0; i < 8; i++) {
|
||||
if(index <= stop_index)
|
||||
break;
|
||||
if(index <= 0)
|
||||
break;
|
||||
if(out <= 0)
|
||||
break;
|
||||
|
||||
if(control & 0x80) {
|
||||
// Check if compression is out of bounds
|
||||
if(index < 2) {
|
||||
return false;
|
||||
}
|
||||
index -= 2;
|
||||
|
||||
u32 segment_offset = compressed[index] | (compressed[index + 1] << 8);
|
||||
u32 segment_size = ((segment_offset >> 12) & 15) + 3;
|
||||
segment_offset &= 0x0FFF;
|
||||
segment_offset += 2;
|
||||
|
||||
// Check if compression is out of bounds
|
||||
if(out < segment_size) {
|
||||
return false;
|
||||
}
|
||||
for(j = 0; j < segment_size; j++) {
|
||||
u8 data;
|
||||
// Check if compression is out of bounds
|
||||
if(out + segment_offset >= decompressed_size) {
|
||||
return false;
|
||||
}
|
||||
data = decompressed[out + segment_offset];
|
||||
decompressed[--out] = data;
|
||||
}
|
||||
} else {
|
||||
// Check if compression is out of bounds
|
||||
if(out < 1) {
|
||||
return false;
|
||||
}
|
||||
decompressed[--out] = compressed[--index];
|
||||
}
|
||||
control <<= 1;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// AppLoader_NCCH class
|
||||
|
||||
/// AppLoader_NCCH constructor
|
||||
AppLoader_NCCH::AppLoader_NCCH(const std::string& filename) {
|
||||
this->filename = filename;
|
||||
is_loaded = false;
|
||||
is_compressed = false;
|
||||
entry_point = 0;
|
||||
ncch_offset = 0;
|
||||
exefs_offset = 0;
|
||||
}
|
||||
|
||||
/// AppLoader_NCCH destructor
|
||||
AppLoader_NCCH::~AppLoader_NCCH() {
|
||||
if (file.IsOpen())
|
||||
file.Close();
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads .code section into memory for booting
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus AppLoader_NCCH::LoadExec() {
|
||||
if (!is_loaded)
|
||||
return ResultStatus::ErrorNotLoaded;
|
||||
|
||||
ResultStatus res;
|
||||
code = ReadCode(res);
|
||||
|
||||
if (ResultStatus::Success == res) {
|
||||
Memory::WriteBlock(entry_point, &code[0], code.size());
|
||||
Kernel::LoadExec(entry_point);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
|
||||
* @param name Name of section to read out of NCCH file
|
||||
* @param buffer Vector to read data into
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to buffer of data that was read
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer,
|
||||
ResultStatus& error) {
|
||||
// Iterate through the ExeFs archive until we find the .code file...
|
||||
for (int i = 0; i < kMaxSections; i++) {
|
||||
// Load the specified section...
|
||||
if (strcmp((const char*)exefs_header.section[i].name, name) == 0) {
|
||||
INFO_LOG(LOADER, "ExeFS section %d:", i);
|
||||
INFO_LOG(LOADER, " name: %s", exefs_header.section[i].name);
|
||||
INFO_LOG(LOADER, " offset: 0x%08X", exefs_header.section[i].offset);
|
||||
INFO_LOG(LOADER, " size: 0x%08X", exefs_header.section[i].size);
|
||||
|
||||
s64 section_offset = (exefs_header.section[i].offset + exefs_offset +
|
||||
sizeof(ExeFs_Header) + ncch_offset);
|
||||
file.Seek(section_offset, 0);
|
||||
|
||||
// Section is compressed...
|
||||
if (i == 0 && is_compressed) {
|
||||
// Read compressed .code section...
|
||||
std::unique_ptr<u8[]> temp_buffer(new u8[exefs_header.section[i].size]);
|
||||
file.ReadBytes(&temp_buffer[0], exefs_header.section[i].size);
|
||||
|
||||
// Decompress .code section...
|
||||
u32 decompressed_size = LZSS_GetDecompressedSize(&temp_buffer[0],
|
||||
exefs_header.section[i].size);
|
||||
buffer.resize(decompressed_size);
|
||||
if (!LZSS_Decompress(&temp_buffer[0], exefs_header.section[i].size, &buffer[0],
|
||||
decompressed_size)) {
|
||||
error = ResultStatus::ErrorInvalidFormat;
|
||||
return buffer;
|
||||
}
|
||||
// Section is uncompressed...
|
||||
} else {
|
||||
buffer.resize(exefs_header.section[i].size);
|
||||
file.ReadBytes(&buffer[0], exefs_header.section[i].size);
|
||||
}
|
||||
error = ResultStatus::Success;
|
||||
return buffer;
|
||||
}
|
||||
}
|
||||
error = ResultStatus::ErrorNotUsed;
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
|
||||
* @param error_string Pointer to string to put error message if an error has occurred
|
||||
* @todo Move NCSD parsing out of here and create a separate function for loading these
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
ResultStatus AppLoader_NCCH::Load() {
|
||||
INFO_LOG(LOADER, "Loading NCCH file %s...", filename.c_str());
|
||||
|
||||
if (is_loaded)
|
||||
return ResultStatus::ErrorAlreadyLoaded;
|
||||
|
||||
file = File::IOFile(filename, "rb");
|
||||
|
||||
if (file.IsOpen()) {
|
||||
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
|
||||
|
||||
// Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
|
||||
if (0 == memcmp(&ncch_header.magic, "NCSD", 4)) {
|
||||
WARN_LOG(LOADER, "Only loading the first (bootable) NCCH within the NCSD file!");
|
||||
ncch_offset = 0x4000;
|
||||
file.Seek(ncch_offset, 0);
|
||||
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
|
||||
}
|
||||
|
||||
// Verify we are loading the correct file type...
|
||||
if (0 != memcmp(&ncch_header.magic, "NCCH", 4))
|
||||
return ResultStatus::ErrorInvalidFormat;
|
||||
|
||||
// Read ExHeader...
|
||||
|
||||
file.ReadBytes(&exheader_header, sizeof(ExHeader_Header));
|
||||
|
||||
is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
|
||||
entry_point = exheader_header.codeset_info.text.address;
|
||||
|
||||
INFO_LOG(LOADER, "Name: %s", exheader_header.codeset_info.name);
|
||||
INFO_LOG(LOADER, "Code compressed: %s", is_compressed ? "yes" : "no");
|
||||
INFO_LOG(LOADER, "Entry point: 0x%08X", entry_point);
|
||||
|
||||
// Read ExeFS...
|
||||
|
||||
exefs_offset = ncch_header.exefs_offset * kBlockSize;
|
||||
u32 exefs_size = ncch_header.exefs_size * kBlockSize;
|
||||
|
||||
INFO_LOG(LOADER, "ExeFS offset: 0x%08X", exefs_offset);
|
||||
INFO_LOG(LOADER, "ExeFS size: 0x%08X", exefs_size);
|
||||
|
||||
file.Seek(exefs_offset + ncch_offset, 0);
|
||||
file.ReadBytes(&exefs_header, sizeof(ExeFs_Header));
|
||||
|
||||
is_loaded = true; // Set state to loaded
|
||||
|
||||
LoadExec(); // Load the executable into memory for booting
|
||||
|
||||
return ResultStatus::Success;
|
||||
}
|
||||
return ResultStatus::Error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the code (typically .code section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to code buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadCode(ResultStatus& error) {
|
||||
return LoadSectionExeFS(".code", code, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the icon (typically icon section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to icon buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadIcon(ResultStatus& error) {
|
||||
return LoadSectionExeFS("icon", icon, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the banner (typically banner section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to banner buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadBanner(ResultStatus& error) {
|
||||
return LoadSectionExeFS("banner", banner, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the logo (typically logo section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to logo buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadLogo(ResultStatus& error) {
|
||||
return LoadSectionExeFS("logo", logo, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the RomFs archive of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to RomFs archive buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadRomFS(ResultStatus& error) {
|
||||
// Check if the NCCH has a RomFS...
|
||||
if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0) {
|
||||
u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
|
||||
u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
|
||||
|
||||
INFO_LOG(LOADER, "RomFS offset: 0x%08X", romfs_offset);
|
||||
INFO_LOG(LOADER, "RomFS size: 0x%08X", romfs_size);
|
||||
|
||||
romfs.resize(romfs_size);
|
||||
|
||||
file.Seek(romfs_offset, 0);
|
||||
file.ReadBytes(&romfs[0], romfs_size);
|
||||
|
||||
error = ResultStatus::Success;
|
||||
return romfs;
|
||||
} else {
|
||||
NOTICE_LOG(LOADER, "RomFS unused");
|
||||
}
|
||||
error = ResultStatus::ErrorNotUsed;
|
||||
return romfs;
|
||||
}
|
||||
|
||||
} // namespace Loader
|
|
@ -0,0 +1,227 @@
|
|||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common.h"
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader/loader.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
/// NCCH header (Note: "NCCH" appears to be a publically unknown acronym)
|
||||
|
||||
struct NCCH_Header {
|
||||
u8 signature[0x100];
|
||||
char magic[4];
|
||||
u32 content_size;
|
||||
u8 partition_id[8];
|
||||
u16 maker_code;
|
||||
u16 version;
|
||||
u8 reserved_0[4];
|
||||
u8 program_id[8];
|
||||
u8 temp_flag;
|
||||
u8 reserved_1[0x2f];
|
||||
u8 product_code[0x10];
|
||||
u8 extended_header_hash[0x20];
|
||||
u32 extended_header_size;
|
||||
u8 reserved_2[4];
|
||||
u8 flags[8];
|
||||
u32 plain_region_offset;
|
||||
u32 plain_region_size;
|
||||
u8 reserved_3[8];
|
||||
u32 exefs_offset;
|
||||
u32 exefs_size;
|
||||
u32 exefs_hash_region_size;
|
||||
u8 reserved_4[4];
|
||||
u32 romfs_offset;
|
||||
u32 romfs_size;
|
||||
u32 romfs_hash_region_size;
|
||||
u8 reserved_5[4];
|
||||
u8 exefs_super_block_hash[0x20];
|
||||
u8 romfs_super_block_hash[0x20];
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ExeFS (executable file system) headers
|
||||
|
||||
typedef struct {
|
||||
char name[8];
|
||||
u32 offset;
|
||||
u32 size;
|
||||
} ExeFs_SectionHeader;
|
||||
|
||||
typedef struct {
|
||||
ExeFs_SectionHeader section[8];
|
||||
u8 reserved[0x80];
|
||||
u8 hashes[8][0x20];
|
||||
} ExeFs_Header;
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ExHeader (executable file system header) headers
|
||||
|
||||
struct ExHeader_SystemInfoFlags{
|
||||
u8 reserved[5];
|
||||
u8 flag;
|
||||
u8 remaster_version[2];
|
||||
};
|
||||
|
||||
struct ExHeader_CodeSegmentInfo{
|
||||
u32 address;
|
||||
u32 num_max_pages;
|
||||
u32 code_size;
|
||||
};
|
||||
|
||||
struct ExHeader_CodeSetInfo {
|
||||
u8 name[8];
|
||||
ExHeader_SystemInfoFlags flags;
|
||||
ExHeader_CodeSegmentInfo text;
|
||||
u8 stacksize[4];
|
||||
ExHeader_CodeSegmentInfo ro;
|
||||
u8 reserved[4];
|
||||
ExHeader_CodeSegmentInfo data;
|
||||
u8 bsssize[4];
|
||||
};
|
||||
|
||||
struct ExHeader_DependencyList{
|
||||
u8 program_id[0x30][8];
|
||||
};
|
||||
|
||||
struct ExHeader_SystemInfo{
|
||||
u32 save_data_size;
|
||||
u8 reserved[4];
|
||||
u8 jump_id[8];
|
||||
u8 reserved_2[0x30];
|
||||
};
|
||||
|
||||
struct ExHeader_StorageInfo{
|
||||
u8 ext_save_data_id[8];
|
||||
u8 system_save_data_id[8];
|
||||
u8 reserved[8];
|
||||
u8 access_info[7];
|
||||
u8 other_attributes;
|
||||
};
|
||||
|
||||
struct ExHeader_ARM11_SystemLocalCaps{
|
||||
u8 program_id[8];
|
||||
u8 flags[8];
|
||||
u8 resource_limit_descriptor[0x10][2];
|
||||
ExHeader_StorageInfo storage_info;
|
||||
u8 service_access_control[0x20][8];
|
||||
u8 reserved[0x1f];
|
||||
u8 resource_limit_category;
|
||||
};
|
||||
|
||||
struct ExHeader_ARM11_KernelCaps{
|
||||
u8 descriptors[28][4];
|
||||
u8 reserved[0x10];
|
||||
};
|
||||
|
||||
struct ExHeader_ARM9_AccessControl{
|
||||
u8 descriptors[15];
|
||||
u8 descversion;
|
||||
};
|
||||
|
||||
struct ExHeader_Header{
|
||||
ExHeader_CodeSetInfo codeset_info;
|
||||
ExHeader_DependencyList dependency_list;
|
||||
ExHeader_SystemInfo system_info;
|
||||
ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
|
||||
ExHeader_ARM11_KernelCaps arm11_kernel_caps;
|
||||
ExHeader_ARM9_AccessControl arm9_access_control;
|
||||
struct {
|
||||
u8 signature[0x100];
|
||||
u8 ncch_public_key_modulus[0x100];
|
||||
ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
|
||||
ExHeader_ARM11_KernelCaps arm11_kernel_caps;
|
||||
ExHeader_ARM9_AccessControl arm9_access_control;
|
||||
} access_desc;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
|
||||
class AppLoader_NCCH : public AppLoader {
|
||||
public:
|
||||
AppLoader_NCCH(const std::string& filename);
|
||||
~AppLoader_NCCH();
|
||||
|
||||
/**
|
||||
* Load the application
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus Load();
|
||||
|
||||
/**
|
||||
* Get the code (typically .code section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to code buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadCode(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the icon (typically icon section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to icon buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadIcon(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the banner (typically banner section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to banner buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadBanner(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the logo (typically logo section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to logo buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadLogo(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the RomFs archive of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to RomFs archive buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadRomFS(ResultStatus& error);
|
||||
|
||||
private:
|
||||
|
||||
/**
|
||||
* Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
|
||||
* @param name Name of section to read out of NCCH file
|
||||
* @param buffer Vector to read data into
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to buffer of data that was read
|
||||
*/
|
||||
const std::vector<u8>& LoadSectionExeFS(const char* name, std::vector<u8>& buffer,
|
||||
ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Loads .code section into memory for booting
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus LoadExec();
|
||||
|
||||
File::IOFile file;
|
||||
std::string filename;
|
||||
|
||||
bool is_loaded;
|
||||
bool is_compressed;
|
||||
|
||||
u32 entry_point;
|
||||
u32 ncch_offset; // Offset to NCCH header, can be 0 or after NCSD header
|
||||
u32 exefs_offset;
|
||||
|
||||
NCCH_Header ncch_header;
|
||||
ExeFs_Header exefs_header;
|
||||
ExHeader_Header exheader_header;
|
||||
};
|
||||
|
||||
} // namespace Loader
|
|
@ -139,6 +139,8 @@ void Write8(const u32 addr, const u8 data);
|
|||
void Write16(const u32 addr, const u16 data);
|
||||
void Write32(const u32 addr, const u32 data);
|
||||
|
||||
void WriteBlock(const u32 addr, const u8* data, const int size);
|
||||
|
||||
u8* GetPointer(const u32 Address);
|
||||
|
||||
/**
|
||||
|
|
|
@ -293,4 +293,16 @@ void Write64(const u32 addr, const u64 data) {
|
|||
_Write<u64_le>(addr, data);
|
||||
}
|
||||
|
||||
void WriteBlock(const u32 addr, const u8* data, const int size) {
|
||||
int offset = 0;
|
||||
while (offset < (size & ~3))
|
||||
Write32(addr + offset, *(u32*)&data[offset += 4]);
|
||||
|
||||
if (size & 2)
|
||||
Write16(addr + offset, *(u16*)&data[offset += 2]);
|
||||
|
||||
if (size & 1)
|
||||
Write8(addr + offset, data[offset]);
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
|
Reference in New Issue