diff options
Diffstat (limited to 'src/core/loader/ncch.cpp')
| -rw-r--r-- | src/core/loader/ncch.cpp | 62 |
1 files changed, 35 insertions, 27 deletions
diff --git a/src/core/loader/ncch.cpp b/src/core/loader/ncch.cpp index fca091ff9..5b996d671 100644 --- a/src/core/loader/ncch.cpp +++ b/src/core/loader/ncch.cpp | |||
| @@ -22,8 +22,8 @@ | |||
| 22 | 22 | ||
| 23 | namespace Loader { | 23 | namespace Loader { |
| 24 | 24 | ||
| 25 | static const int kMaxSections = 8; ///< Maximum number of sections (files) in an ExeFs | 25 | static const int kMaxSections = 8; ///< Maximum number of sections (files) in an ExeFs |
| 26 | static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes) | 26 | static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes) |
| 27 | 27 | ||
| 28 | /** | 28 | /** |
| 29 | * Get the decompressed size of an LZSS compressed ExeFS file | 29 | * Get the decompressed size of an LZSS compressed ExeFS file |
| @@ -44,7 +44,8 @@ static u32 LZSS_GetDecompressedSize(const u8* buffer, u32 size) { | |||
| 44 | * @param decompressed_size Size of decompressed buffer | 44 | * @param decompressed_size Size of decompressed buffer |
| 45 | * @return True on success, otherwise false | 45 | * @return True on success, otherwise false |
| 46 | */ | 46 | */ |
| 47 | static bool LZSS_Decompress(const u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) { | 47 | static bool LZSS_Decompress(const u8* compressed, u32 compressed_size, u8* decompressed, |
| 48 | u32 decompressed_size) { | ||
| 48 | const u8* footer = compressed + compressed_size - 8; | 49 | const u8* footer = compressed + compressed_size - 8; |
| 49 | u32 buffer_top_and_bottom = *reinterpret_cast<const u32*>(footer); | 50 | u32 buffer_top_and_bottom = *reinterpret_cast<const u32*>(footer); |
| 50 | u32 out = decompressed_size; | 51 | u32 out = decompressed_size; |
| @@ -55,7 +56,7 @@ static bool LZSS_Decompress(const u8* compressed, u32 compressed_size, u8* decom | |||
| 55 | memcpy(decompressed, compressed, compressed_size); | 56 | memcpy(decompressed, compressed, compressed_size); |
| 56 | 57 | ||
| 57 | while (index > stop_index) { | 58 | while (index > stop_index) { |
| 58 | u8 control = compressed[--index]; | 59 | u8 control = compressed[--index]; |
| 59 | 60 | ||
| 60 | for (unsigned i = 0; i < 8; i++) { | 61 | for (unsigned i = 0; i < 8; i++) { |
| 61 | if (index <= stop_index) | 62 | if (index <= stop_index) |
| @@ -128,7 +129,7 @@ ResultStatus AppLoader_NCCH::LoadExec() { | |||
| 128 | std::vector<u8> code; | 129 | std::vector<u8> code; |
| 129 | if (ResultStatus::Success == ReadCode(code)) { | 130 | if (ResultStatus::Success == ReadCode(code)) { |
| 130 | std::string process_name = Common::StringFromFixedZeroTerminatedBuffer( | 131 | std::string process_name = Common::StringFromFixedZeroTerminatedBuffer( |
| 131 | (const char*)exheader_header.codeset_info.name, 8); | 132 | (const char*)exheader_header.codeset_info.name, 8); |
| 132 | 133 | ||
| 133 | SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, ncch_header.program_id); | 134 | SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, ncch_header.program_id); |
| 134 | 135 | ||
| @@ -147,7 +148,8 @@ ResultStatus AppLoader_NCCH::LoadExec() { | |||
| 147 | 148 | ||
| 148 | codeset->data.offset = codeset->rodata.offset + codeset->rodata.size; | 149 | codeset->data.offset = codeset->rodata.offset + codeset->rodata.size; |
| 149 | codeset->data.addr = exheader_header.codeset_info.data.address; | 150 | codeset->data.addr = exheader_header.codeset_info.data.address; |
| 150 | codeset->data.size = exheader_header.codeset_info.data.num_max_pages * Memory::PAGE_SIZE + bss_page_size; | 151 | codeset->data.size = |
| 152 | exheader_header.codeset_info.data.num_max_pages * Memory::PAGE_SIZE + bss_page_size; | ||
| 151 | 153 | ||
| 152 | codeset->entrypoint = codeset->code.addr; | 154 | codeset->entrypoint = codeset->code.addr; |
| 153 | codeset->memory = std::make_shared<std::vector<u8>>(std::move(code)); | 155 | codeset->memory = std::make_shared<std::vector<u8>>(std::move(code)); |
| @@ -155,15 +157,18 @@ ResultStatus AppLoader_NCCH::LoadExec() { | |||
| 155 | Kernel::g_current_process = Kernel::Process::Create(std::move(codeset)); | 157 | Kernel::g_current_process = Kernel::Process::Create(std::move(codeset)); |
| 156 | 158 | ||
| 157 | // Attach a resource limit to the process based on the resource limit category | 159 | // Attach a resource limit to the process based on the resource limit category |
| 158 | Kernel::g_current_process->resource_limit = Kernel::ResourceLimit::GetForCategory( | 160 | Kernel::g_current_process->resource_limit = |
| 159 | static_cast<Kernel::ResourceLimitCategory>(exheader_header.arm11_system_local_caps.resource_limit_category)); | 161 | Kernel::ResourceLimit::GetForCategory(static_cast<Kernel::ResourceLimitCategory>( |
| 162 | exheader_header.arm11_system_local_caps.resource_limit_category)); | ||
| 160 | 163 | ||
| 161 | // Set the default CPU core for this process | 164 | // Set the default CPU core for this process |
| 162 | Kernel::g_current_process->ideal_processor = exheader_header.arm11_system_local_caps.ideal_processor; | 165 | Kernel::g_current_process->ideal_processor = |
| 166 | exheader_header.arm11_system_local_caps.ideal_processor; | ||
| 163 | 167 | ||
| 164 | // Copy data while converting endianess | 168 | // Copy data while converting endianess |
| 165 | std::array<u32, ARRAY_SIZE(exheader_header.arm11_kernel_caps.descriptors)> kernel_caps; | 169 | std::array<u32, ARRAY_SIZE(exheader_header.arm11_kernel_caps.descriptors)> kernel_caps; |
| 166 | std::copy_n(exheader_header.arm11_kernel_caps.descriptors, kernel_caps.size(), begin(kernel_caps)); | 170 | std::copy_n(exheader_header.arm11_kernel_caps.descriptors, kernel_caps.size(), |
| 171 | begin(kernel_caps)); | ||
| 167 | Kernel::g_current_process->ParseKernelCaps(kernel_caps.data(), kernel_caps.size()); | 172 | Kernel::g_current_process->ParseKernelCaps(kernel_caps.data(), kernel_caps.size()); |
| 168 | 173 | ||
| 169 | s32 priority = exheader_header.arm11_system_local_caps.priority; | 174 | s32 priority = exheader_header.arm11_system_local_caps.priority; |
| @@ -192,7 +197,8 @@ ResultStatus AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& | |||
| 192 | LOG_DEBUG(Loader, "%d - offset: 0x%08X, size: 0x%08X, name: %s", section_number, | 197 | LOG_DEBUG(Loader, "%d - offset: 0x%08X, size: 0x%08X, name: %s", section_number, |
| 193 | section.offset, section.size, section.name); | 198 | section.offset, section.size, section.name); |
| 194 | 199 | ||
| 195 | s64 section_offset = (section.offset + exefs_offset + sizeof(ExeFs_Header) + ncch_offset); | 200 | s64 section_offset = |
| 201 | (section.offset + exefs_offset + sizeof(ExeFs_Header) + ncch_offset); | ||
| 196 | file.Seek(section_offset, SEEK_SET); | 202 | file.Seek(section_offset, SEEK_SET); |
| 197 | 203 | ||
| 198 | if (strcmp(section.name, ".code") == 0 && is_compressed) { | 204 | if (strcmp(section.name, ".code") == 0 && is_compressed) { |
| @@ -254,25 +260,25 @@ ResultStatus AppLoader_NCCH::LoadExeFS() { | |||
| 254 | if (file.ReadBytes(&exheader_header, sizeof(ExHeader_Header)) != sizeof(ExHeader_Header)) | 260 | if (file.ReadBytes(&exheader_header, sizeof(ExHeader_Header)) != sizeof(ExHeader_Header)) |
| 255 | return ResultStatus::Error; | 261 | return ResultStatus::Error; |
| 256 | 262 | ||
| 257 | is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1; | 263 | is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1; |
| 258 | entry_point = exheader_header.codeset_info.text.address; | 264 | entry_point = exheader_header.codeset_info.text.address; |
| 259 | code_size = exheader_header.codeset_info.text.code_size; | 265 | code_size = exheader_header.codeset_info.text.code_size; |
| 260 | stack_size = exheader_header.codeset_info.stack_size; | 266 | stack_size = exheader_header.codeset_info.stack_size; |
| 261 | bss_size = exheader_header.codeset_info.bss_size; | 267 | bss_size = exheader_header.codeset_info.bss_size; |
| 262 | core_version = exheader_header.arm11_system_local_caps.core_version; | 268 | core_version = exheader_header.arm11_system_local_caps.core_version; |
| 263 | priority = exheader_header.arm11_system_local_caps.priority; | 269 | priority = exheader_header.arm11_system_local_caps.priority; |
| 264 | resource_limit_category = exheader_header.arm11_system_local_caps.resource_limit_category; | 270 | resource_limit_category = exheader_header.arm11_system_local_caps.resource_limit_category; |
| 265 | 271 | ||
| 266 | LOG_INFO(Loader, "Name: %s" , exheader_header.codeset_info.name); | 272 | LOG_INFO(Loader, "Name: %s", exheader_header.codeset_info.name); |
| 267 | LOG_INFO(Loader, "Program ID: %016llX" , ncch_header.program_id); | 273 | LOG_INFO(Loader, "Program ID: %016llX", ncch_header.program_id); |
| 268 | LOG_DEBUG(Loader, "Code compressed: %s" , is_compressed ? "yes" : "no"); | 274 | LOG_DEBUG(Loader, "Code compressed: %s", is_compressed ? "yes" : "no"); |
| 269 | LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point); | 275 | LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point); |
| 270 | LOG_DEBUG(Loader, "Code size: 0x%08X", code_size); | 276 | LOG_DEBUG(Loader, "Code size: 0x%08X", code_size); |
| 271 | LOG_DEBUG(Loader, "Stack size: 0x%08X", stack_size); | 277 | LOG_DEBUG(Loader, "Stack size: 0x%08X", stack_size); |
| 272 | LOG_DEBUG(Loader, "Bss size: 0x%08X", bss_size); | 278 | LOG_DEBUG(Loader, "Bss size: 0x%08X", bss_size); |
| 273 | LOG_DEBUG(Loader, "Core version: %d" , core_version); | 279 | LOG_DEBUG(Loader, "Core version: %d", core_version); |
| 274 | LOG_DEBUG(Loader, "Thread priority: 0x%X" , priority); | 280 | LOG_DEBUG(Loader, "Thread priority: 0x%X", priority); |
| 275 | LOG_DEBUG(Loader, "Resource limit category: %d" , resource_limit_category); | 281 | LOG_DEBUG(Loader, "Resource limit category: %d", resource_limit_category); |
| 276 | 282 | ||
| 277 | if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) { | 283 | if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) { |
| 278 | LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted."); | 284 | LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted."); |
| @@ -309,7 +315,8 @@ ResultStatus AppLoader_NCCH::Load() { | |||
| 309 | if (ResultStatus::Success != result) | 315 | if (ResultStatus::Success != result) |
| 310 | return result; | 316 | return result; |
| 311 | 317 | ||
| 312 | Service::FS::RegisterArchiveType(std::make_unique<FileSys::ArchiveFactory_RomFS>(*this), Service::FS::ArchiveIdCode::RomFS); | 318 | Service::FS::RegisterArchiveType(std::make_unique<FileSys::ArchiveFactory_RomFS>(*this), |
| 319 | Service::FS::ArchiveIdCode::RomFS); | ||
| 313 | return ResultStatus::Success; | 320 | return ResultStatus::Success; |
| 314 | } | 321 | } |
| 315 | 322 | ||
| @@ -329,7 +336,8 @@ ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) { | |||
| 329 | return LoadSectionExeFS("logo", buffer); | 336 | return LoadSectionExeFS("logo", buffer); |
| 330 | } | 337 | } |
| 331 | 338 | ||
| 332 | ResultStatus AppLoader_NCCH::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset, u64& size) { | 339 | ResultStatus AppLoader_NCCH::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset, |
| 340 | u64& size) { | ||
| 333 | if (!file.IsOpen()) | 341 | if (!file.IsOpen()) |
| 334 | return ResultStatus::Error; | 342 | return ResultStatus::Error; |
| 335 | 343 | ||
| @@ -341,7 +349,7 @@ ResultStatus AppLoader_NCCH::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_ | |||
| 341 | LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset); | 349 | LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset); |
| 342 | LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size); | 350 | LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size); |
| 343 | 351 | ||
| 344 | if (file.GetSize () < romfs_offset + romfs_size) | 352 | if (file.GetSize() < romfs_offset + romfs_size) |
| 345 | return ResultStatus::Error; | 353 | return ResultStatus::Error; |
| 346 | 354 | ||
| 347 | // We reopen the file, to allow its position to be independent from file's | 355 | // We reopen the file, to allow its position to be independent from file's |