f008b22e3b
- Deleted GetStatus() because it wasn't used anywhere outside of Core::System. - Fixed design flaw where the message bar status could be set despite the game being stopped.
256 lines
7.0 KiB
C++
256 lines
7.0 KiB
C++
// Copyright 2014 Citra Emulator Project
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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 <memory>
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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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#include "core/loader/loader.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// NCCH header (Note: "NCCH" appears to be a publicly unknown acronym)
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struct NCCH_Header {
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u8 signature[0x100];
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u32_le magic;
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u32_le content_size;
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u8 partition_id[8];
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u16_le maker_code;
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u16_le version;
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u8 reserved_0[4];
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u64_le program_id;
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u8 reserved_1[0x10];
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u8 logo_region_hash[0x20];
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u8 product_code[0x10];
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u8 extended_header_hash[0x20];
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u32_le extended_header_size;
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u8 reserved_2[4];
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u8 flags[8];
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u32_le plain_region_offset;
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u32_le plain_region_size;
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u32_le logo_region_offset;
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u32_le logo_region_size;
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u32_le exefs_offset;
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u32_le exefs_size;
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u32_le exefs_hash_region_size;
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u8 reserved_3[4];
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u32_le romfs_offset;
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u32_le romfs_size;
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u32_le romfs_hash_region_size;
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u8 reserved_4[4];
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u8 exefs_super_block_hash[0x20];
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u8 romfs_super_block_hash[0x20];
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};
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static_assert(sizeof(NCCH_Header) == 0x200, "NCCH header structure size is wrong");
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// ExeFS (executable file system) headers
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struct ExeFs_SectionHeader {
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char name[8];
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u32 offset;
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u32 size;
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};
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struct ExeFs_Header {
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ExeFs_SectionHeader section[8];
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u8 reserved[0x80];
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u8 hashes[8][0x20];
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// ExHeader (executable file system header) headers
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struct ExHeader_SystemInfoFlags {
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u8 reserved[5];
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u8 flag;
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u8 remaster_version[2];
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};
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struct ExHeader_CodeSegmentInfo {
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u32 address;
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u32 num_max_pages;
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u32 code_size;
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};
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struct ExHeader_CodeSetInfo {
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u8 name[8];
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ExHeader_SystemInfoFlags flags;
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ExHeader_CodeSegmentInfo text;
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u32 stack_size;
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ExHeader_CodeSegmentInfo ro;
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u8 reserved[4];
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ExHeader_CodeSegmentInfo data;
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u32 bss_size;
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};
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struct ExHeader_DependencyList {
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u8 program_id[0x30][8];
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};
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struct ExHeader_SystemInfo {
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u64 save_data_size;
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u8 jump_id[8];
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u8 reserved_2[0x30];
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};
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struct ExHeader_StorageInfo {
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u8 ext_save_data_id[8];
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u8 system_save_data_id[8];
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u8 reserved[8];
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u8 access_info[7];
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u8 other_attributes;
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};
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struct ExHeader_ARM11_SystemLocalCaps {
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u64_le program_id;
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u32_le core_version;
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u8 reserved_flags[2];
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union {
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u8 flags0;
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BitField<0, 2, u8> ideal_processor;
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BitField<2, 2, u8> affinity_mask;
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BitField<4, 4, u8> system_mode;
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};
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u8 priority;
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u8 resource_limit_descriptor[0x10][2];
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ExHeader_StorageInfo storage_info;
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u8 service_access_control[0x20][8];
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u8 ex_service_access_control[0x2][8];
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u8 reserved[0xf];
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u8 resource_limit_category;
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};
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struct ExHeader_ARM11_KernelCaps {
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u32_le descriptors[28];
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u8 reserved[0x10];
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};
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struct ExHeader_ARM9_AccessControl {
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u8 descriptors[15];
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u8 descversion;
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};
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struct ExHeader_Header {
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ExHeader_CodeSetInfo codeset_info;
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ExHeader_DependencyList dependency_list;
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ExHeader_SystemInfo system_info;
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ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
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ExHeader_ARM11_KernelCaps arm11_kernel_caps;
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ExHeader_ARM9_AccessControl arm9_access_control;
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struct {
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u8 signature[0x100];
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u8 ncch_public_key_modulus[0x100];
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ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
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ExHeader_ARM11_KernelCaps arm11_kernel_caps;
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ExHeader_ARM9_AccessControl arm9_access_control;
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} access_desc;
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};
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static_assert(sizeof(ExHeader_Header) == 0x800, "ExHeader structure size is wrong");
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Loader namespace
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namespace Loader {
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/// Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
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class AppLoader_NCCH final : public AppLoader {
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public:
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AppLoader_NCCH(FileUtil::IOFile&& file, const std::string& filepath)
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: AppLoader(std::move(file)), filepath(filepath) {}
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/**
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* Returns the type of the file
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* @param file FileUtil::IOFile open file
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* @return FileType found, or FileType::Error if this loader doesn't know it
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*/
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static FileType IdentifyType(FileUtil::IOFile& file);
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FileType GetFileType() override {
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return IdentifyType(file);
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}
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ResultStatus Load() override;
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/**
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* Loads the Exheader and returns the system mode for this application.
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* @returns A pair with the optional system mode, and and the status.
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*/
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std::pair<boost::optional<u32>, ResultStatus> LoadKernelSystemMode() override;
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ResultStatus ReadCode(std::vector<u8>& buffer) override;
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ResultStatus ReadIcon(std::vector<u8>& buffer) override;
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ResultStatus ReadBanner(std::vector<u8>& buffer) override;
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ResultStatus ReadLogo(std::vector<u8>& buffer) override;
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/**
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* Get the program id of the application
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* @param out_program_id Reference to store program id into
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* @return ResultStatus result of function
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*/
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ResultStatus ReadProgramId(u64& out_program_id) override;
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/**
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* Get the RomFS of the application
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* @param romfs_file Reference to buffer to store data
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* @param offset Offset in the file to the RomFS
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* @param size Size of the RomFS in bytes
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* @return ResultStatus result of function
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*/
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ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
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u64& size) override;
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private:
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/**
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* Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
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* @param name Name of section to read out of NCCH file
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* @param buffer Vector to read data into
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* @return ResultStatus result of function
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*/
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ResultStatus LoadSectionExeFS(const char* name, std::vector<u8>& buffer);
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/**
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* Loads .code section into memory for booting
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* @return ResultStatus result of function
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*/
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ResultStatus LoadExec();
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/**
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* Ensure ExeFS is loaded and ready for reading sections
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* @return ResultStatus result of function
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*/
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ResultStatus LoadExeFS();
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/// Reads the region lockout info in the SMDH and send it to CFG service
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void ParseRegionLockoutInfo();
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bool is_exefs_loaded = false;
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bool is_compressed = false;
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u32 entry_point = 0;
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u32 code_size = 0;
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u32 stack_size = 0;
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u32 bss_size = 0;
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u32 core_version = 0;
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u8 priority = 0;
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u8 resource_limit_category = 0;
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u32 ncch_offset = 0; // Offset to NCCH header, can be 0 or after NCSD header
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u32 exefs_offset = 0;
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NCCH_Header ncch_header;
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ExeFs_Header exefs_header;
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ExHeader_Header exheader_header;
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std::string filepath;
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};
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} // namespace Loader
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