mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-07-04 23:31:19 +01:00
commit
7e45669ccb
7 changed files with 294 additions and 9 deletions
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@ -12,6 +12,8 @@ add_library(core STATIC
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file_sys/filesystem.h
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file_sys/path_parser.cpp
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file_sys/path_parser.h
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file_sys/program_metadata.cpp
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file_sys/program_metadata.h
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file_sys/romfs_factory.cpp
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file_sys/romfs_factory.h
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file_sys/romfs_filesystem.cpp
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114
src/core/file_sys/program_metadata.cpp
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114
src/core/file_sys/program_metadata.cpp
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@ -0,0 +1,114 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cinttypes>
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/loader/loader.h"
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namespace FileSys {
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Loader::ResultStatus ProgramMetadata::Load(const std::string& file_path) {
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FileUtil::IOFile file(file_path, "rb");
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if (!file.IsOpen())
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return Loader::ResultStatus::Error;
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std::vector<u8> file_data(file.GetSize());
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if (!file.ReadBytes(file_data.data(), file_data.size()))
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return Loader::ResultStatus::Error;
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Loader::ResultStatus result = Load(file_data);
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if (result != Loader::ResultStatus::Success)
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LOG_ERROR(Service_FS, "Failed to load NPDM from file %s!", file_path.c_str());
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return result;
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}
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Loader::ResultStatus ProgramMetadata::Load(const std::vector<u8> file_data, size_t offset) {
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size_t total_size = static_cast<size_t>(file_data.size() - offset);
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if (total_size < sizeof(Header))
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return Loader::ResultStatus::Error;
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size_t header_offset = offset;
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memcpy(&npdm_header, &file_data[offset], sizeof(Header));
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size_t aci_offset = header_offset + npdm_header.aci_offset;
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size_t acid_offset = header_offset + npdm_header.acid_offset;
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memcpy(&aci_header, &file_data[aci_offset], sizeof(AciHeader));
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memcpy(&acid_header, &file_data[acid_offset], sizeof(AcidHeader));
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size_t fac_offset = acid_offset + acid_header.fac_offset;
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size_t fah_offset = aci_offset + aci_header.fah_offset;
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memcpy(&acid_file_access, &file_data[fac_offset], sizeof(FileAccessControl));
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memcpy(&aci_file_access, &file_data[fah_offset], sizeof(FileAccessHeader));
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return Loader::ResultStatus::Success;
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}
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bool ProgramMetadata::Is64BitProgram() const {
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return npdm_header.has_64_bit_instructions;
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}
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ProgramAddressSpaceType ProgramMetadata::GetAddressSpaceType() const {
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return npdm_header.address_space_type;
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}
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u8 ProgramMetadata::GetMainThreadPriority() const {
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return npdm_header.main_thread_priority;
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}
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u8 ProgramMetadata::GetMainThreadCore() const {
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return npdm_header.main_thread_cpu;
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}
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u32 ProgramMetadata::GetMainThreadStackSize() const {
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return npdm_header.main_stack_size;
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}
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u64 ProgramMetadata::GetTitleID() const {
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return aci_header.title_id;
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}
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u64 ProgramMetadata::GetFilesystemPermissions() const {
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return aci_file_access.permissions;
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}
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void ProgramMetadata::Print() const {
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LOG_DEBUG(Service_FS, "Magic: %.4s", npdm_header.magic.data());
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LOG_DEBUG(Service_FS, "Main thread priority: 0x%02x", npdm_header.main_thread_priority);
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LOG_DEBUG(Service_FS, "Main thread core: %u", npdm_header.main_thread_cpu);
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LOG_DEBUG(Service_FS, "Main thread stack size: 0x%x bytes", npdm_header.main_stack_size);
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LOG_DEBUG(Service_FS, "Process category: %u", npdm_header.process_category);
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LOG_DEBUG(Service_FS, "Flags: %02x", npdm_header.flags);
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LOG_DEBUG(Service_FS, " > 64-bit instructions: %s",
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npdm_header.has_64_bit_instructions ? "YES" : "NO");
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auto address_space = "Unknown";
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switch (npdm_header.address_space_type) {
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case ProgramAddressSpaceType::Is64Bit:
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address_space = "64-bit";
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break;
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case ProgramAddressSpaceType::Is32Bit:
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address_space = "32-bit";
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break;
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}
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LOG_DEBUG(Service_FS, " > Address space: %s\n", address_space);
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// Begin ACID printing (potential perms, signed)
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LOG_DEBUG(Service_FS, "Magic: %.4s", acid_header.magic.data());
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LOG_DEBUG(Service_FS, "Flags: %02x", acid_header.flags);
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LOG_DEBUG(Service_FS, " > Is Retail: %s", acid_header.is_retail ? "YES" : "NO");
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LOG_DEBUG(Service_FS, "Title ID Min: %016" PRIX64, acid_header.title_id_min);
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LOG_DEBUG(Service_FS, "Title ID Max: %016" PRIX64, acid_header.title_id_max);
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LOG_DEBUG(Service_FS, "Filesystem Access: %016" PRIX64 "\n", acid_file_access.permissions);
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// Begin ACI0 printing (actual perms, unsigned)
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LOG_DEBUG(Service_FS, "Magic: %.4s", aci_header.magic.data());
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LOG_DEBUG(Service_FS, "Title ID: %016" PRIX64, aci_header.title_id);
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LOG_DEBUG(Service_FS, "Filesystem Access: %016" PRIX64 "\n", aci_file_access.permissions);
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}
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} // namespace FileSys
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154
src/core/file_sys/program_metadata.h
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154
src/core/file_sys/program_metadata.h
Normal file
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@ -0,0 +1,154 @@
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <string>
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#include <vector>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/swap.h"
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namespace Loader {
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enum class ResultStatus;
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}
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namespace FileSys {
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enum class ProgramAddressSpaceType : u8 {
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Is64Bit = 1,
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Is32Bit = 2,
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};
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enum class ProgramFilePermission : u64 {
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MountContent = 1ULL << 0,
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SaveDataBackup = 1ULL << 5,
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SdCard = 1ULL << 21,
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Calibration = 1ULL << 34,
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Bit62 = 1ULL << 62,
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Everything = 1ULL << 63,
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};
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/**
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* Helper which implements an interface to parse Program Description Metadata (NPDM)
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* Data can either be loaded from a file path or with data and an offset into it.
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*/
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class ProgramMetadata {
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public:
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Loader::ResultStatus Load(const std::string& file_path);
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Loader::ResultStatus Load(const std::vector<u8> file_data, size_t offset = 0);
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bool Is64BitProgram() const;
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ProgramAddressSpaceType GetAddressSpaceType() const;
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u8 GetMainThreadPriority() const;
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u8 GetMainThreadCore() const;
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u32 GetMainThreadStackSize() const;
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u64 GetTitleID() const;
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u64 GetFilesystemPermissions() const;
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void Print() const;
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private:
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struct Header {
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std::array<char, 4> magic;
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std::array<u8, 8> reserved;
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union {
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u8 flags;
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BitField<0, 1, u8> has_64_bit_instructions;
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BitField<1, 3, ProgramAddressSpaceType> address_space_type;
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BitField<4, 4, u8> reserved_2;
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};
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u8 reserved_3;
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u8 main_thread_priority;
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u8 main_thread_cpu;
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std::array<u8, 8> reserved_4;
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u32_le process_category;
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u32_le main_stack_size;
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std::array<u8, 0x10> application_name;
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std::array<u8, 0x40> reserved_5;
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u32_le aci_offset;
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u32_le aci_size;
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u32_le acid_offset;
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u32_le acid_size;
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};
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static_assert(sizeof(Header) == 0x80, "NPDM header structure size is wrong");
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struct AcidHeader {
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std::array<u8, 0x100> signature;
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std::array<u8, 0x100> nca_modulus;
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std::array<char, 4> magic;
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u32_le nca_size;
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std::array<u8, 0x4> reserved;
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union {
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u32 flags;
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BitField<0, 1, u32> is_retail;
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BitField<1, 31, u32> flags_unk;
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};
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u64_le title_id_min;
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u64_le title_id_max;
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u32_le fac_offset;
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u32_le fac_size;
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u32_le sac_offset;
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u32_le sac_size;
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u32_le kac_offset;
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u32_le kac_size;
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INSERT_PADDING_BYTES(0x8);
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};
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static_assert(sizeof(AcidHeader) == 0x240, "ACID header structure size is wrong");
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struct AciHeader {
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std::array<char, 4> magic;
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std::array<u8, 0xC> reserved;
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u64_le title_id;
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INSERT_PADDING_BYTES(0x8);
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u32_le fah_offset;
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u32_le fah_size;
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u32_le sac_offset;
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u32_le sac_size;
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u32_le kac_offset;
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u32_le kac_size;
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INSERT_PADDING_BYTES(0x8);
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};
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static_assert(sizeof(AciHeader) == 0x40, "ACI0 header structure size is wrong");
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#pragma pack(push, 1)
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struct FileAccessControl {
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u8 version;
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INSERT_PADDING_BYTES(3);
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u64_le permissions;
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std::array<u8, 0x20> unknown;
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};
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static_assert(sizeof(FileAccessControl) == 0x2C, "FS access control structure size is wrong");
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struct FileAccessHeader {
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u8 version;
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INSERT_PADDING_BYTES(3);
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u64_le permissions;
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u32_le unk_offset;
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u32_le unk_size;
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u32_le unk_offset_2;
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u32_le unk_size_2;
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};
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static_assert(sizeof(FileAccessHeader) == 0x1C, "FS access header structure size is wrong");
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#pragma pack(pop)
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Header npdm_header;
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AciHeader aci_header;
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AcidHeader acid_header;
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FileAccessControl acid_file_access;
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FileAccessHeader aci_file_access;
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};
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} // namespace FileSys
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@ -53,6 +53,7 @@ AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileUti
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FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& file,
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const std::string& filepath) {
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bool is_main_found{};
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bool is_npdm_found{};
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bool is_rtld_found{};
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bool is_sdk_found{};
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@ -67,6 +68,9 @@ FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& fil
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// Verify filename
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if (Common::ToLower(virtual_name) == "main") {
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is_main_found = true;
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} else if (Common::ToLower(virtual_name) == "main.npdm") {
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is_npdm_found = true;
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return true;
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} else if (Common::ToLower(virtual_name) == "rtld") {
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is_rtld_found = true;
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} else if (Common::ToLower(virtual_name) == "sdk") {
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@ -83,14 +87,14 @@ FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& fil
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}
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// We are done if we've found and verified all required NSOs
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return !(is_main_found && is_rtld_found && is_sdk_found);
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return !(is_main_found && is_npdm_found && is_rtld_found && is_sdk_found);
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};
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// Search the directory recursively, looking for the required modules
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const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
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FileUtil::ForeachDirectoryEntry(nullptr, directory, callback);
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if (is_main_found && is_rtld_found && is_sdk_found) {
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if (is_main_found && is_npdm_found && is_rtld_found && is_sdk_found) {
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return FileType::DeconstructedRomDirectory;
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}
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@ -108,14 +112,22 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
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process = Kernel::Process::Create("main");
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const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
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const std::string npdm_path = directory + DIR_SEP + "main.npdm";
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ResultStatus result = metadata.Load(npdm_path);
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if (result != ResultStatus::Success) {
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return result;
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}
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metadata.Print();
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// Load NSO modules
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VAddr next_load_addr{Memory::PROCESS_IMAGE_VADDR};
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const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
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for (const auto& module : {"rtld", "main", "subsdk0", "subsdk1", "subsdk2", "subsdk3",
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"subsdk4", "subsdk5", "subsdk6", "subsdk7", "sdk"}) {
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const std::string path = directory + DIR_SEP + module;
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const VAddr load_addr = next_load_addr;
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next_load_addr = AppLoader_NSO::LoadModule(path, load_addr);
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next_load_addr = AppLoader_NSO::LoadModule(path, load_addr, metadata.GetTitleID());
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if (next_load_addr) {
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LOG_DEBUG(Loader, "loaded module %s @ 0x%" PRIx64, module, load_addr);
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} else {
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@ -127,7 +139,8 @@ ResultStatus AppLoader_DeconstructedRomDirectory::Load(
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process->address_mappings = default_address_mappings;
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process->resource_limit =
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Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
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process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
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process->Run(Memory::PROCESS_IMAGE_VADDR, metadata.GetMainThreadPriority(),
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metadata.GetMainThreadStackSize());
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// Find the RomFS by searching for a ".romfs" file in this directory
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filepath_romfs = FindRomFS(directory);
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@ -6,6 +6,7 @@
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#include <string>
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#include "common/common_types.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/loader/loader.h"
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@ -41,6 +42,7 @@ public:
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private:
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std::string filepath_romfs;
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std::string filepath;
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FileSys::ProgramMetadata metadata;
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};
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} // namespace Loader
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@ -92,7 +92,7 @@ static constexpr u32 PageAlignSize(u32 size) {
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return (size + Memory::PAGE_MASK) & ~Memory::PAGE_MASK;
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}
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VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base) {
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VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base, u64 tid) {
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FileUtil::IOFile file(path, "rb");
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if (!file.IsOpen()) {
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return {};
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@ -109,7 +109,7 @@ VAddr AppLoader_NSO::LoadModule(const std::string& path, VAddr load_base) {
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}
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// Build program image
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Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("", 0);
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Kernel::SharedPtr<Kernel::CodeSet> codeset = Kernel::CodeSet::Create("", tid);
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std::vector<u8> program_image;
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for (int i = 0; i < nso_header.segments.size(); ++i) {
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std::vector<u8> data =
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@ -158,7 +158,7 @@ ResultStatus AppLoader_NSO::Load(Kernel::SharedPtr<Kernel::Process>& process) {
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process = Kernel::Process::Create("main");
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// Load module
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LoadModule(filepath, Memory::PROCESS_IMAGE_VADDR);
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LoadModule(filepath, Memory::PROCESS_IMAGE_VADDR, 0);
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LOG_DEBUG(Loader, "loaded module %s @ 0x%" PRIx64, filepath.c_str(),
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Memory::PROCESS_IMAGE_VADDR);
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@ -29,7 +29,7 @@ public:
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return IdentifyType(file, filepath);
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}
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static VAddr LoadModule(const std::string& path, VAddr load_base);
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static VAddr LoadModule(const std::string& path, VAddr load_base, u64 tid);
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ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
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