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Remove lots more 3DS-specific code.

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This commit is contained in:
bunnei 2017-10-12 21:21:49 -04:00
parent 0906de9a14
commit 72b03025ac
50 changed files with 8 additions and 6976 deletions
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350
src/core/loader/3dsx.cpp
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@ -1,350 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <vector>
#include "common/logging/log.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/3dsx.h"
#include "core/memory.h"
namespace Loader {
/*
* File layout:
* - File header
* - Code, rodata and data relocation table headers
* - Code segment
* - Rodata segment
* - Loadable (non-BSS) part of the data segment
* - Code relocation table
* - Rodata relocation table
* - Data relocation table
*
* Memory layout before relocations are applied:
* [0..codeSegSize) -> code segment
* [codeSegSize..rodataSegSize) -> rodata segment
* [rodataSegSize..dataSegSize) -> data segment
*
* Memory layout after relocations are applied: well, however the loader sets it up :)
* The entrypoint is always the start of the code segment.
* The BSS section must be cleared manually by the application.
*/
enum THREEDSX_Error { ERROR_NONE = 0, ERROR_READ = 1, ERROR_FILE = 2, ERROR_ALLOC = 3 };
static const u32 RELOCBUFSIZE = 512;
static const unsigned int NUM_SEGMENTS = 3;
// File header
#pragma pack(1)
struct THREEDSX_Header {
u32 magic;
u16 header_size, reloc_hdr_size;
u32 format_ver;
u32 flags;
// Sizes of the code, rodata and data segments +
// size of the BSS section (uninitialized latter half of the data segment)
u32 code_seg_size, rodata_seg_size, data_seg_size, bss_size;
// offset and size of smdh
u32 smdh_offset, smdh_size;
// offset to filesystem
u32 fs_offset;
};
// Relocation header: all fields (even extra unknown fields) are guaranteed to be relocation counts.
struct THREEDSX_RelocHdr {
// # of absolute relocations (that is, fix address to post-relocation memory layout)
u32 cross_segment_absolute;
// # of cross-segment relative relocations (that is, 32bit signed offsets that need to be
// patched)
u32 cross_segment_relative;
// more?
// Relocations are written in this order:
// - Absolute relocations
// - Relative relocations
};
// Relocation entry: from the current pointer, skip X words and patch Y words
struct THREEDSX_Reloc {
u16 skip, patch;
};
#pragma pack()
struct THREEloadinfo {
u8* seg_ptrs[3]; // code, rodata & data
u32 seg_addrs[3];
u32 seg_sizes[3];
};
static u32 TranslateAddr(u32 addr, const THREEloadinfo* loadinfo, u32* offsets) {
if (addr < offsets[0])
return loadinfo->seg_addrs[0] + addr;
if (addr < offsets[1])
return loadinfo->seg_addrs[1] + addr - offsets[0];
return loadinfo->seg_addrs[2] + addr - offsets[1];
}
using Kernel::CodeSet;
using Kernel::SharedPtr;
static THREEDSX_Error Load3DSXFile(FileUtil::IOFile& file, u32 base_addr,
SharedPtr<CodeSet>* out_codeset) {
if (!file.IsOpen())
return ERROR_FILE;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
THREEDSX_Header hdr;
if (file.ReadBytes(&hdr, sizeof(hdr)) != sizeof(hdr))
return ERROR_READ;
THREEloadinfo loadinfo;
// loadinfo segments must be a multiple of 0x1000
loadinfo.seg_sizes[0] = (hdr.code_seg_size + 0xFFF) & ~0xFFF;
loadinfo.seg_sizes[1] = (hdr.rodata_seg_size + 0xFFF) & ~0xFFF;
loadinfo.seg_sizes[2] = (hdr.data_seg_size + 0xFFF) & ~0xFFF;
u32 offsets[2] = {loadinfo.seg_sizes[0], loadinfo.seg_sizes[0] + loadinfo.seg_sizes[1]};
u32 n_reloc_tables = hdr.reloc_hdr_size / sizeof(u32);
std::vector<u8> program_image(loadinfo.seg_sizes[0] + loadinfo.seg_sizes[1] +
loadinfo.seg_sizes[2]);
loadinfo.seg_addrs[0] = base_addr;
loadinfo.seg_addrs[1] = loadinfo.seg_addrs[0] + loadinfo.seg_sizes[0];
loadinfo.seg_addrs[2] = loadinfo.seg_addrs[1] + loadinfo.seg_sizes[1];
loadinfo.seg_ptrs[0] = program_image.data();
loadinfo.seg_ptrs[1] = loadinfo.seg_ptrs[0] + loadinfo.seg_sizes[0];
loadinfo.seg_ptrs[2] = loadinfo.seg_ptrs[1] + loadinfo.seg_sizes[1];
// Skip header for future compatibility
file.Seek(hdr.header_size, SEEK_SET);
// Read the relocation headers
std::vector<u32> relocs(n_reloc_tables * NUM_SEGMENTS);
for (unsigned int current_segment = 0; current_segment < NUM_SEGMENTS; ++current_segment) {
size_t size = n_reloc_tables * sizeof(u32);
if (file.ReadBytes(&relocs[current_segment * n_reloc_tables], size) != size)
return ERROR_READ;
}
// Read the segments
if (file.ReadBytes(loadinfo.seg_ptrs[0], hdr.code_seg_size) != hdr.code_seg_size)
return ERROR_READ;
if (file.ReadBytes(loadinfo.seg_ptrs[1], hdr.rodata_seg_size) != hdr.rodata_seg_size)
return ERROR_READ;
if (file.ReadBytes(loadinfo.seg_ptrs[2], hdr.data_seg_size - hdr.bss_size) !=
hdr.data_seg_size - hdr.bss_size)
return ERROR_READ;
// BSS clear
memset((char*)loadinfo.seg_ptrs[2] + hdr.data_seg_size - hdr.bss_size, 0, hdr.bss_size);
// Relocate the segments
for (unsigned int current_segment = 0; current_segment < NUM_SEGMENTS; ++current_segment) {
for (unsigned current_segment_reloc_table = 0; current_segment_reloc_table < n_reloc_tables;
current_segment_reloc_table++) {
u32 n_relocs = relocs[current_segment * n_reloc_tables + current_segment_reloc_table];
if (current_segment_reloc_table >= 2) {
// We are not using this table - ignore it because we don't know what it dose
file.Seek(n_relocs * sizeof(THREEDSX_Reloc), SEEK_CUR);
continue;
}
THREEDSX_Reloc reloc_table[RELOCBUFSIZE];
u32* pos = (u32*)loadinfo.seg_ptrs[current_segment];
const u32* end_pos = pos + (loadinfo.seg_sizes[current_segment] / 4);
while (n_relocs) {
u32 remaining = std::min(RELOCBUFSIZE, n_relocs);
n_relocs -= remaining;
if (file.ReadBytes(reloc_table, remaining * sizeof(THREEDSX_Reloc)) !=
remaining * sizeof(THREEDSX_Reloc))
return ERROR_READ;
for (unsigned current_inprogress = 0;
current_inprogress < remaining && pos < end_pos; current_inprogress++) {
const auto& table = reloc_table[current_inprogress];
LOG_TRACE(Loader, "(t=%d,skip=%u,patch=%u)", current_segment_reloc_table,
static_cast<u32>(table.skip), static_cast<u32>(table.patch));
pos += table.skip;
s32 num_patches = table.patch;
while (0 < num_patches && pos < end_pos) {
u32 in_addr = base_addr + static_cast<u32>(reinterpret_cast<u8*>(pos) -
program_image.data());
u32 orig_data = *pos;
u32 sub_type = orig_data >> (32 - 4);
u32 addr = TranslateAddr(orig_data & ~0xF0000000, &loadinfo, offsets);
LOG_TRACE(Loader, "Patching %08X <-- rel(%08X,%d) (%08X)", in_addr, addr,
current_segment_reloc_table, *pos);
switch (current_segment_reloc_table) {
case 0: {
if (sub_type != 0)
return ERROR_READ;
*pos = addr;
break;
}
case 1: {
u32 data = addr - in_addr;
switch (sub_type) {
case 0: // 32-bit signed offset
*pos = data;
break;
case 1: // 31-bit signed offset
*pos = data & ~(1U << 31);
break;
default:
return ERROR_READ;
}
break;
}
default:
break; // this should never happen
}
pos++;
num_patches--;
}
}
}
}
}
// Create the CodeSet
SharedPtr<CodeSet> code_set = CodeSet::Create("", 0);
code_set->code.offset = loadinfo.seg_ptrs[0] - program_image.data();
code_set->code.addr = loadinfo.seg_addrs[0];
code_set->code.size = loadinfo.seg_sizes[0];
code_set->rodata.offset = loadinfo.seg_ptrs[1] - program_image.data();
code_set->rodata.addr = loadinfo.seg_addrs[1];
code_set->rodata.size = loadinfo.seg_sizes[1];
code_set->data.offset = loadinfo.seg_ptrs[2] - program_image.data();
code_set->data.addr = loadinfo.seg_addrs[2];
code_set->data.size = loadinfo.seg_sizes[2];
code_set->entrypoint = code_set->code.addr;
code_set->memory = std::make_shared<std::vector<u8>>(std::move(program_image));
LOG_DEBUG(Loader, "code size: 0x%X", loadinfo.seg_sizes[0]);
LOG_DEBUG(Loader, "rodata size: 0x%X", loadinfo.seg_sizes[1]);
LOG_DEBUG(Loader, "data size: 0x%X (including 0x%X of bss)", loadinfo.seg_sizes[2],
hdr.bss_size);
*out_codeset = code_set;
return ERROR_NONE;
}
FileType AppLoader_THREEDSX::IdentifyType(FileUtil::IOFile& file) {
u32 magic;
file.Seek(0, SEEK_SET);
if (1 != file.ReadArray<u32>(&magic, 1))
return FileType::Error;
if (MakeMagic('3', 'D', 'S', 'X') == magic)
return FileType::THREEDSX;
return FileType::Error;
}
ResultStatus AppLoader_THREEDSX::Load(Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
if (!file.IsOpen())
return ResultStatus::Error;
SharedPtr<CodeSet> codeset;
if (Load3DSXFile(file, Memory::PROCESS_IMAGE_VADDR, &codeset) != ERROR_NONE)
return ResultStatus::Error;
codeset->name = filename;
process = Kernel::Process::Create("main");
process->LoadModule(codeset, codeset->entrypoint);
process->svc_access_mask.set();
process->address_mappings = default_address_mappings;
// Attach the default resource limit (APPLICATION) to the process
process->resource_limit =
Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
process->Run(codeset->entrypoint, 48, Kernel::DEFAULT_STACK_SIZE);
Service::FS::RegisterSelfNCCH(*this);
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_THREEDSX::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file,
u64& offset, u64& size) {
if (!file.IsOpen())
return ResultStatus::Error;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
THREEDSX_Header hdr;
if (file.ReadBytes(&hdr, sizeof(THREEDSX_Header)) != sizeof(THREEDSX_Header))
return ResultStatus::Error;
if (hdr.header_size != sizeof(THREEDSX_Header))
return ResultStatus::Error;
// Check if the 3DSX has a RomFS...
if (hdr.fs_offset != 0) {
u32 romfs_offset = hdr.fs_offset;
u32 romfs_size = static_cast<u32>(file.GetSize()) - hdr.fs_offset;
LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset);
LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size);
// We reopen the file, to allow its position to be independent from file's
romfs_file = std::make_shared<FileUtil::IOFile>(filepath, "rb");
if (!romfs_file->IsOpen())
return ResultStatus::Error;
offset = romfs_offset;
size = romfs_size;
return ResultStatus::Success;
}
LOG_DEBUG(Loader, "3DSX has no RomFS");
return ResultStatus::ErrorNotUsed;
}
ResultStatus AppLoader_THREEDSX::ReadIcon(std::vector<u8>& buffer) {
if (!file.IsOpen())
return ResultStatus::Error;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
THREEDSX_Header hdr;
if (file.ReadBytes(&hdr, sizeof(THREEDSX_Header)) != sizeof(THREEDSX_Header))
return ResultStatus::Error;
if (hdr.header_size != sizeof(THREEDSX_Header))
return ResultStatus::Error;
// Check if the 3DSX has a SMDH...
if (hdr.smdh_offset != 0) {
file.Seek(hdr.smdh_offset, SEEK_SET);
buffer.resize(hdr.smdh_size);
if (file.ReadBytes(&buffer[0], hdr.smdh_size) != hdr.smdh_size)
return ResultStatus::Error;
return ResultStatus::Success;
}
return ResultStatus::ErrorNotUsed;
}
} // namespace Loader

46
src/core/loader/3dsx.h
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@ -1,46 +0,0 @@
// Copyright 2014 Dolphin Emulator Project / Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include "common/common_types.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
namespace Loader {
/// Loads an 3DSX file
class AppLoader_THREEDSX final : public AppLoader {
public:
AppLoader_THREEDSX(FileUtil::IOFile&& file, const std::string& filename,
const std::string& filepath)
: AppLoader(std::move(file)), filename(std::move(filename)), filepath(filepath) {}
/**
* Returns the type of the file
* @param file FileUtil::IOFile open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(FileUtil::IOFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
ResultStatus ReadIcon(std::vector<u8>& buffer) override;
ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) override;
private:
std::string filename;
std::string filepath;
};
} // namespace Loader

31
src/core/loader/loader.cpp
View file

@ -31,9 +31,7 @@ FileType IdentifyFile(FileUtil::IOFile& file) {
if (FileType::Error != type) \
return type;
CHECK_TYPE(THREEDSX)
CHECK_TYPE(ELF)
CHECK_TYPE(NCCH)
CHECK_TYPE(NSO)
CHECK_TYPE(NRO)
@ -58,33 +56,13 @@ FileType GuessFromExtension(const std::string& extension_) {
if (extension == ".elf" || extension == ".axf")
return FileType::ELF;
if (extension == ".cci" || extension == ".3ds")
return FileType::CCI;
if (extension == ".cxi")
return FileType::CXI;
if (extension == ".3dsx")
return FileType::THREEDSX;
if (extension == ".cia")
return FileType::CIA;
return FileType::Unknown;
}
const char* GetFileTypeString(FileType type) {
switch (type) {
case FileType::CCI:
return "NCSD";
case FileType::CXI:
return "NCCH";
case FileType::CIA:
return "CIA";
case FileType::ELF:
return "ELF";
case FileType::THREEDSX:
return "3DSX";
case FileType::Error:
case FileType::Unknown:
break;
@ -106,19 +84,10 @@ static std::unique_ptr<AppLoader> GetFileLoader(FileUtil::IOFile&& file, FileTyp
const std::string& filepath) {
switch (type) {
// 3DSX file format.
case FileType::THREEDSX:
return std::make_unique<AppLoader_THREEDSX>(std::move(file), filename, filepath);
// Standard ELF file format.
case FileType::ELF:
return std::make_unique<AppLoader_ELF>(std::move(file), filename);
// NCCH/NCSD container formats.
case FileType::CXI:
case FileType::CCI:
return std::make_unique<AppLoader_NCCH>(std::move(file), filepath);
// NX NSO file format.
case FileType::NSO:
return std::make_unique<AppLoader_NSO>(std::move(file), filepath);

4
src/core/loader/loader.h
View file

@ -29,11 +29,7 @@ namespace Loader {
enum class FileType {
Error,
Unknown,
CCI,
CXI,
CIA,
ELF,
THREEDSX, // 3DSX
NSO,
NRO,
};

263
src/core/loader/ncch.cpp
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@ -1,263 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cinttypes>
#include <codecvt>
#include <cstring>
#include <locale>
#include <memory>
#include "common/logging/log.h"
#include "common/string_util.h"
#include "common/swap.h"
#include "core/core.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/file_sys/ncch_container.h"
#include "core/file_sys/title_metadata.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/service/cfg/cfg.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/ncch.h"
#include "core/loader/smdh.h"
#include "core/memory.h"
#include "network/network.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
namespace Loader {
static const u64 UPDATE_MASK = 0x0000000e00000000;
FileType AppLoader_NCCH::IdentifyType(FileUtil::IOFile& file) {
u32 magic;
file.Seek(0x100, SEEK_SET);
if (1 != file.ReadArray<u32>(&magic, 1))
return FileType::Error;
if (MakeMagic('N', 'C', 'S', 'D') == magic)
return FileType::CCI;
if (MakeMagic('N', 'C', 'C', 'H') == magic)
return FileType::CXI;
return FileType::Error;
}
static std::string GetUpdateNCCHPath(u64_le program_id) {
u32 high = static_cast<u32>((program_id | UPDATE_MASK) >> 32);
u32 low = static_cast<u32>((program_id | UPDATE_MASK) & 0xFFFFFFFF);
// TODO(shinyquagsire23): Title database should be doing this path lookup
std::string content_path = Common::StringFromFormat(
"%sNintendo 3DS/%s/%s/title/%08x/%08x/content/", FileUtil::GetUserPath(D_SDMC_IDX).c_str(),
SYSTEM_ID, SDCARD_ID, high, low);
std::string tmd_path = content_path + "00000000.tmd";
u32 content_id = 0;
FileSys::TitleMetadata tmd(tmd_path);
if (tmd.Load() == ResultStatus::Success) {
content_id = tmd.GetBootContentID();
}
return Common::StringFromFormat("%s%08x.app", content_path.c_str(), content_id);
}
std::pair<boost::optional<u32>, ResultStatus> AppLoader_NCCH::LoadKernelSystemMode() {
if (!is_loaded) {
ResultStatus res = base_ncch.Load();
if (res != ResultStatus::Success) {
return std::make_pair(boost::none, res);
}
}
// Set the system mode as the one from the exheader.
return std::make_pair(overlay_ncch->exheader_header.arm11_system_local_caps.system_mode.Value(),
ResultStatus::Success);
}
ResultStatus AppLoader_NCCH::LoadExec(Kernel::SharedPtr<Kernel::Process>& process) {
using Kernel::CodeSet;
using Kernel::SharedPtr;
if (!is_loaded)
return ResultStatus::ErrorNotLoaded;
std::vector<u8> code;
u64_le program_id;
if (ResultStatus::Success == ReadCode(code) &&
ResultStatus::Success == ReadProgramId(program_id)) {
std::string process_name = Common::StringFromFixedZeroTerminatedBuffer(
(const char*)overlay_ncch->exheader_header.codeset_info.name, 8);
SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, program_id);
codeset->code.offset = 0;
codeset->code.addr = overlay_ncch->exheader_header.codeset_info.text.address;
codeset->code.size =
overlay_ncch->exheader_header.codeset_info.text.num_max_pages * Memory::PAGE_SIZE;
codeset->rodata.offset = codeset->code.offset + codeset->code.size;
codeset->rodata.addr = overlay_ncch->exheader_header.codeset_info.ro.address;
codeset->rodata.size =
overlay_ncch->exheader_header.codeset_info.ro.num_max_pages * Memory::PAGE_SIZE;
// TODO(yuriks): Not sure if the bss size is added to the page-aligned .data size or just
// to the regular size. Playing it safe for now.
u32 bss_page_size = (overlay_ncch->exheader_header.codeset_info.bss_size + 0xFFF) & ~0xFFF;
code.resize(code.size() + bss_page_size, 0);
codeset->data.offset = codeset->rodata.offset + codeset->rodata.size;
codeset->data.addr = overlay_ncch->exheader_header.codeset_info.data.address;
codeset->data.size =
overlay_ncch->exheader_header.codeset_info.data.num_max_pages * Memory::PAGE_SIZE +
bss_page_size;
codeset->entrypoint = codeset->code.addr;
codeset->memory = std::make_shared<std::vector<u8>>(std::move(code));
process = Kernel::Process::Create("main");
process->LoadModule(codeset, codeset->entrypoint);
// Attach a resource limit to the process based on the resource limit category
process->resource_limit =
Kernel::ResourceLimit::GetForCategory(static_cast<Kernel::ResourceLimitCategory>(
overlay_ncch->exheader_header.arm11_system_local_caps.resource_limit_category));
// Set the default CPU core for this process
process->ideal_processor =
overlay_ncch->exheader_header.arm11_system_local_caps.ideal_processor;
// Copy data while converting endianness
std::array<u32, ARRAY_SIZE(overlay_ncch->exheader_header.arm11_kernel_caps.descriptors)>
kernel_caps;
std::copy_n(overlay_ncch->exheader_header.arm11_kernel_caps.descriptors, kernel_caps.size(),
begin(kernel_caps));
process->ParseKernelCaps(kernel_caps.data(), kernel_caps.size());
s32 priority = overlay_ncch->exheader_header.arm11_system_local_caps.priority;
u32 stack_size = overlay_ncch->exheader_header.codeset_info.stack_size;
process->Run(codeset->entrypoint, priority, stack_size);
return ResultStatus::Success;
}
return ResultStatus::Error;
}
void AppLoader_NCCH::ParseRegionLockoutInfo() {
std::vector<u8> smdh_buffer;
if (ReadIcon(smdh_buffer) == ResultStatus::Success && smdh_buffer.size() >= sizeof(SMDH)) {
SMDH smdh;
memcpy(&smdh, smdh_buffer.data(), sizeof(SMDH));
u32 region_lockout = smdh.region_lockout;
constexpr u32 REGION_COUNT = 7;
for (u32 region = 0; region < REGION_COUNT; ++region) {
if (region_lockout & 1) {
Service::CFG::SetPreferredRegionCode(region);
break;
}
region_lockout >>= 1;
}
}
}
ResultStatus AppLoader_NCCH::Load(Kernel::SharedPtr<Kernel::Process>& process) {
u64_le ncch_program_id;
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
ResultStatus result = base_ncch.Load();
if (result != ResultStatus::Success)
return result;
ReadProgramId(ncch_program_id);
std::string program_id{Common::StringFromFormat("%016" PRIX64, ncch_program_id)};
LOG_INFO(Loader, "Program ID: %s", program_id.c_str());
update_ncch.OpenFile(GetUpdateNCCHPath(ncch_program_id));
result = update_ncch.Load();
if (result == ResultStatus::Success) {
overlay_ncch = &update_ncch;
}
Core::Telemetry().AddField(Telemetry::FieldType::Session, "ProgramId", program_id);
if (auto room_member = Network::GetRoomMember().lock()) {
Network::GameInfo game_info;
ReadTitle(game_info.name);
game_info.id = ncch_program_id;
room_member->SendGameInfo(game_info);
}
is_loaded = true; // Set state to loaded
result = LoadExec(process); // Load the executable into memory for booting
if (ResultStatus::Success != result)
return result;
Service::FS::RegisterSelfNCCH(*this);
ParseRegionLockoutInfo();
return ResultStatus::Success;
}
ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS(".code", buffer);
}
ResultStatus AppLoader_NCCH::ReadIcon(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS("icon", buffer);
}
ResultStatus AppLoader_NCCH::ReadBanner(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS("banner", buffer);
}
ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) {
return overlay_ncch->LoadSectionExeFS("logo", buffer);
}
ResultStatus AppLoader_NCCH::ReadProgramId(u64& out_program_id) {
ResultStatus result = base_ncch.ReadProgramId(out_program_id);
if (result != ResultStatus::Success)
return result;
return ResultStatus::Success;
}
ResultStatus AppLoader_NCCH::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) {
return base_ncch.ReadRomFS(romfs_file, offset, size);
}
ResultStatus AppLoader_NCCH::ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file,
u64& offset, u64& size) {
ResultStatus result = update_ncch.ReadRomFS(romfs_file, offset, size);
if (result != ResultStatus::Success)
return base_ncch.ReadRomFS(romfs_file, offset, size);
}
ResultStatus AppLoader_NCCH::ReadTitle(std::string& title) {
std::vector<u8> data;
Loader::SMDH smdh;
ReadIcon(data);
if (!Loader::IsValidSMDH(data)) {
return ResultStatus::ErrorInvalidFormat;
}
memcpy(&smdh, data.data(), sizeof(Loader::SMDH));
const auto& short_title = smdh.GetShortTitle(SMDH::TitleLanguage::English);
auto title_end = std::find(short_title.begin(), short_title.end(), u'\0');
title = Common::UTF16ToUTF8(std::u16string{short_title.begin(), title_end});
return ResultStatus::Success;
}
} // namespace Loader

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src/core/loader/ncch.h
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@ -1,80 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/ncch_container.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
namespace Loader {
/// Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
class AppLoader_NCCH final : public AppLoader {
public:
AppLoader_NCCH(FileUtil::IOFile&& file, const std::string& filepath)
: AppLoader(std::move(file)), filepath(filepath), base_ncch(filepath),
overlay_ncch(&base_ncch) {}
/**
* Returns the type of the file
* @param file FileUtil::IOFile open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(FileUtil::IOFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
/**
* Loads the Exheader and returns the system mode for this application.
* @returns A pair with the optional system mode, and and the status.
*/
std::pair<boost::optional<u32>, ResultStatus> LoadKernelSystemMode() override;
ResultStatus ReadCode(std::vector<u8>& buffer) override;
ResultStatus ReadIcon(std::vector<u8>& buffer) override;
ResultStatus ReadBanner(std::vector<u8>& buffer) override;
ResultStatus ReadLogo(std::vector<u8>& buffer) override;
ResultStatus ReadProgramId(u64& out_program_id) override;
ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) override;
ResultStatus ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) override;
ResultStatus ReadTitle(std::string& title) override;
private:
/**
* Loads .code section into memory for booting
* @param process The newly created process
* @return ResultStatus result of function
*/
ResultStatus LoadExec(Kernel::SharedPtr<Kernel::Process>& process);
/// Reads the region lockout info in the SMDH and send it to CFG service
void ParseRegionLockoutInfo();
FileSys::NCCHContainer base_ncch;
FileSys::NCCHContainer update_ncch;
FileSys::NCCHContainer* overlay_ncch;
std::string filepath;
};
} // namespace Loader