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Merge pull request #4 from citra-emu/master

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This commit is contained in:
Chen Yifeng 2017-09-25 15:32:21 +08:00 committed by GitHub
commit 53698ff3ae
34 changed files with 1052 additions and 602 deletions
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22
src/citra_qt/configuration/configure_graphics.ui
View File

@ -63,57 +63,57 @@
<widget class="QComboBox" name="resolution_factor_combobox">
<item>
<property name="text">
<string notr="true">Auto (Window Size)</string>
<string>Auto (Window Size)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">Native (400x240)</string>
<string>Native (400x240)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">2x Native (800x480)</string>
<string>2x Native (800x480)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">3x Native (1200x720)</string>
<string>3x Native (1200x720)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">4x Native (1600x960)</string>
<string>4x Native (1600x960)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">5x Native (2000x1200)</string>
<string>5x Native (2000x1200)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">6x Native (2400x1440)</string>
<string>6x Native (2400x1440)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">7x Native (2800x1680)</string>
<string>7x Native (2800x1680)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">8x Native (3200x1920)</string>
<string>8x Native (3200x1920)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">9x Native (3600x2160)</string>
<string>9x Native (3600x2160)</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">10x Native (4000x2400)</string>
<string>10x Native (4000x2400)</string>
</property>
</item>
</widget>

3
src/citra_qt/configuration/configure_system.cpp
View File

@ -78,7 +78,8 @@ void ConfigureSystem::ReadSystemSettings() {
// set the console id
u64 console_id = Service::CFG::GetConsoleUniqueId();
ui->label_console_id->setText("Console ID: 0x" + QString::number(console_id, 16).toUpper());
ui->label_console_id->setText(
tr("Console ID: 0x%1").arg(QString::number(console_id, 16).toUpper()));
}
void ConfigureSystem::applyConfiguration() {

16
src/citra_qt/configuration/configure_web.cpp
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@ -24,15 +24,15 @@ ConfigureWeb::~ConfigureWeb() {}
void ConfigureWeb::setConfiguration() {
ui->web_credentials_disclaimer->setWordWrap(true);
ui->telemetry_learn_more->setOpenExternalLinks(true);
ui->telemetry_learn_more->setText("<a "
ui->telemetry_learn_more->setText(tr("<a "
"href='https://citra-emu.org/entry/"
"telemetry-and-why-thats-a-good-thing/'>Learn more</a>");
"telemetry-and-why-thats-a-good-thing/'>Learn more</a>"));
ui->web_signup_link->setOpenExternalLinks(true);
ui->web_signup_link->setText("<a href='https://services.citra-emu.org/'>Sign up</a>");
ui->web_signup_link->setText(tr("<a href='https://services.citra-emu.org/'>Sign up</a>"));
ui->web_token_info_link->setOpenExternalLinks(true);
ui->web_token_info_link->setText(
"<a href='https://citra-emu.org/wiki/citra-web-service/'>What is my token?</a>");
tr("<a href='https://citra-emu.org/wiki/citra-web-service/'>What is my token?</a>"));
ui->toggle_telemetry->setChecked(Settings::values.enable_telemetry);
ui->edit_username->setText(QString::fromStdString(Settings::values.citra_username));
@ -40,8 +40,8 @@ void ConfigureWeb::setConfiguration() {
// Connect after setting the values, to avoid calling OnLoginChanged now
connect(ui->edit_token, &QLineEdit::textChanged, this, &ConfigureWeb::OnLoginChanged);
connect(ui->edit_username, &QLineEdit::textChanged, this, &ConfigureWeb::OnLoginChanged);
ui->label_telemetry_id->setText("Telemetry ID: 0x" +
QString::number(Core::GetTelemetryId(), 16).toUpper());
ui->label_telemetry_id->setText(
tr("Telemetry ID: 0x%1").arg(QString::number(Core::GetTelemetryId(), 16).toUpper()));
user_verified = true;
}
@ -60,8 +60,8 @@ void ConfigureWeb::applyConfiguration() {
void ConfigureWeb::RefreshTelemetryID() {
const u64 new_telemetry_id{Core::RegenerateTelemetryId()};
ui->label_telemetry_id->setText("Telemetry ID: 0x" +
QString::number(new_telemetry_id, 16).toUpper());
ui->label_telemetry_id->setText(
tr("Telemetry ID: 0x%1").arg(QString::number(new_telemetry_id, 16).toUpper()));
}
void ConfigureWeb::OnLoginChanged() {

1
src/core/CMakeLists.txt
View File

@ -26,6 +26,7 @@ set(SRCS
file_sys/archive_systemsavedata.cpp
file_sys/disk_archive.cpp
file_sys/ivfc_archive.cpp
file_sys/ncch_container.cpp
file_sys/path_parser.cpp
file_sys/savedata_archive.cpp
frontend/camera/blank_camera.cpp

3
src/core/arm/arm_interface.h
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@ -41,6 +41,9 @@ public:
/// Clear all instruction cache
virtual void ClearInstructionCache() = 0;
/// Notify CPU emulation that page tables have changed
virtual void PageTableChanged() = 0;
/**
* Set the Program Counter to an address
* @param addr Address to set PC to

22
src/core/arm/dynarmic/arm_dynarmic.cpp
View File

@ -41,7 +41,7 @@ static bool IsReadOnlyMemory(u32 vaddr) {
}
static Dynarmic::UserCallbacks GetUserCallbacks(
const std::shared_ptr<ARMul_State>& interpeter_state) {
const std::shared_ptr<ARMul_State>& interpeter_state, Memory::PageTable* current_page_table) {
Dynarmic::UserCallbacks user_callbacks{};
user_callbacks.InterpreterFallback = &InterpreterFallback;
user_callbacks.user_arg = static_cast<void*>(interpeter_state.get());
@ -56,16 +56,14 @@ static Dynarmic::UserCallbacks GetUserCallbacks(
user_callbacks.memory.Write16 = &Memory::Write16;
user_callbacks.memory.Write32 = &Memory::Write32;
user_callbacks.memory.Write64 = &Memory::Write64;
// TODO(Subv): Re-add the page table pointers once dynarmic supports switching page tables at
// runtime.
user_callbacks.page_table = nullptr;
user_callbacks.page_table = &current_page_table->pointers;
user_callbacks.coprocessors[15] = std::make_shared<DynarmicCP15>(interpeter_state);
return user_callbacks;
}
ARM_Dynarmic::ARM_Dynarmic(PrivilegeMode initial_mode) {
interpreter_state = std::make_shared<ARMul_State>(initial_mode);
jit = std::make_unique<Dynarmic::Jit>(GetUserCallbacks(interpreter_state));
PageTableChanged();
}
void ARM_Dynarmic::SetPC(u32 pc) {
@ -136,6 +134,7 @@ void ARM_Dynarmic::AddTicks(u64 ticks) {
MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
void ARM_Dynarmic::ExecuteInstructions(int num_instructions) {
ASSERT(Memory::GetCurrentPageTable() == current_page_table);
MICROPROFILE_SCOPE(ARM_Jit);
std::size_t ticks_executed = jit->Run(static_cast<unsigned>(num_instructions));
@ -178,3 +177,16 @@ void ARM_Dynarmic::PrepareReschedule() {
void ARM_Dynarmic::ClearInstructionCache() {
jit->ClearCache();
}
void ARM_Dynarmic::PageTableChanged() {
current_page_table = Memory::GetCurrentPageTable();
auto iter = jits.find(current_page_table);
if (iter != jits.end()) {
jit = iter->second.get();
return;
}
jit = new Dynarmic::Jit(GetUserCallbacks(interpreter_state, current_page_table));
jits.emplace(current_page_table, std::unique_ptr<Dynarmic::Jit>(jit));
}

10
src/core/arm/dynarmic/arm_dynarmic.h
View File

@ -4,12 +4,17 @@
#pragma once
#include <map>
#include <memory>
#include <dynarmic/dynarmic.h>
#include "common/common_types.h"
#include "core/arm/arm_interface.h"
#include "core/arm/skyeye_common/armstate.h"
namespace Memory {
struct PageTable;
} // namespace Memory
class ARM_Dynarmic final : public ARM_Interface {
public:
ARM_Dynarmic(PrivilegeMode initial_mode);
@ -36,8 +41,11 @@ public:
void ExecuteInstructions(int num_instructions) override;
void ClearInstructionCache() override;
void PageTableChanged() override;
private:
std::unique_ptr<Dynarmic::Jit> jit;
Dynarmic::Jit* jit = nullptr;
Memory::PageTable* current_page_table = nullptr;
std::map<Memory::PageTable*, std::unique_ptr<Dynarmic::Jit>> jits;
std::shared_ptr<ARMul_State> interpreter_state;
};

4
src/core/arm/dyncom/arm_dyncom.cpp
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@ -25,6 +25,10 @@ void ARM_DynCom::ClearInstructionCache() {
trans_cache_buf_top = 0;
}
void ARM_DynCom::PageTableChanged() {
ClearInstructionCache();
}
void ARM_DynCom::SetPC(u32 pc) {
state->Reg[15] = pc;
}

1
src/core/arm/dyncom/arm_dyncom.h
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@ -16,6 +16,7 @@ public:
~ARM_DynCom();
void ClearInstructionCache() override;
void PageTableChanged() override;
void SetPC(u32 pc) override;
u32 GetPC() const override;

28
src/core/file_sys/archive_selfncch.cpp
View File

@ -102,8 +102,7 @@ public:
switch (static_cast<SelfNCCHFilePathType>(file_path.type)) {
case SelfNCCHFilePathType::UpdateRomFS:
LOG_WARNING(Service_FS, "(STUBBED) open update RomFS");
return OpenRomFS();
return OpenUpdateRomFS();
case SelfNCCHFilePathType::RomFS:
return OpenRomFS();
@ -179,6 +178,17 @@ private:
}
}
ResultVal<std::unique_ptr<FileBackend>> OpenUpdateRomFS() const {
if (ncch_data.update_romfs_file) {
return MakeResult<std::unique_ptr<FileBackend>>(std::make_unique<IVFCFile>(
ncch_data.update_romfs_file, ncch_data.update_romfs_offset,
ncch_data.update_romfs_size));
} else {
LOG_INFO(Service_FS, "Unable to read update RomFS");
return ERROR_ROMFS_NOT_FOUND;
}
}
ResultVal<std::unique_ptr<FileBackend>> OpenExeFS(const std::string& filename) const {
if (filename == "icon") {
if (ncch_data.icon) {
@ -218,11 +228,19 @@ private:
};
ArchiveFactory_SelfNCCH::ArchiveFactory_SelfNCCH(Loader::AppLoader& app_loader) {
std::shared_ptr<FileUtil::IOFile> romfs_file_;
std::shared_ptr<FileUtil::IOFile> romfs_file;
if (Loader::ResultStatus::Success ==
app_loader.ReadRomFS(romfs_file_, ncch_data.romfs_offset, ncch_data.romfs_size)) {
app_loader.ReadRomFS(romfs_file, ncch_data.romfs_offset, ncch_data.romfs_size)) {
ncch_data.romfs_file = std::move(romfs_file_);
ncch_data.romfs_file = std::move(romfs_file);
}
std::shared_ptr<FileUtil::IOFile> update_romfs_file;
if (Loader::ResultStatus::Success ==
app_loader.ReadUpdateRomFS(update_romfs_file, ncch_data.update_romfs_offset,
ncch_data.update_romfs_size)) {
ncch_data.update_romfs_file = std::move(update_romfs_file);
}
std::vector<u8> buffer;

4
src/core/file_sys/archive_selfncch.h
View File

@ -24,6 +24,10 @@ struct NCCHData {
std::shared_ptr<FileUtil::IOFile> romfs_file;
u64 romfs_offset = 0;
u64 romfs_size = 0;
std::shared_ptr<FileUtil::IOFile> update_romfs_file;
u64 update_romfs_offset = 0;
u64 update_romfs_size = 0;
};
/// File system interface to the SelfNCCH archive

316
src/core/file_sys/ncch_container.cpp Normal file
View File

@ -0,0 +1,316 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cinttypes>
#include <cstring>
#include <memory>
#include "common/common_types.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/file_sys/ncch_container.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
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
*/
static u32 LZSS_GetDecompressedSize(const 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
*/
static bool LZSS_Decompress(const u8* compressed, u32 compressed_size, u8* decompressed,
u32 decompressed_size) {
const u8* footer = compressed + compressed_size - 8;
u32 buffer_top_and_bottom = *reinterpret_cast<const u32*>(footer);
u32 out = decompressed_size;
u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF);
u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF);
memset(decompressed, 0, decompressed_size);
memcpy(decompressed, compressed, compressed_size);
while (index > stop_index) {
u8 control = compressed[--index];
for (unsigned 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 (unsigned j = 0; j < segment_size; j++) {
// Check if compression is out of bounds
if (out + segment_offset >= decompressed_size)
return false;
u8 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;
}
NCCHContainer::NCCHContainer(const std::string& filepath) : filepath(filepath) {
file = FileUtil::IOFile(filepath, "rb");
}
Loader::ResultStatus NCCHContainer::OpenFile(const std::string& filepath) {
this->filepath = filepath;
file = FileUtil::IOFile(filepath, "rb");
if (!file.IsOpen()) {
LOG_WARNING(Service_FS, "Failed to open %s", filepath.c_str());
return Loader::ResultStatus::Error;
}
LOG_DEBUG(Service_FS, "Opened %s", filepath.c_str());
return Loader::ResultStatus::Success;
}
Loader::ResultStatus NCCHContainer::Load() {
if (is_loaded)
return Loader::ResultStatus::Success;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
if (file.ReadBytes(&ncch_header, sizeof(NCCH_Header)) != sizeof(NCCH_Header))
return Loader::ResultStatus::Error;
// Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
if (Loader::MakeMagic('N', 'C', 'S', 'D') == ncch_header.magic) {
LOG_DEBUG(Service_FS, "Only loading the first (bootable) NCCH within the NCSD file!");
ncch_offset = 0x4000;
file.Seek(ncch_offset, SEEK_SET);
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
}
// Verify we are loading the correct file type...
if (Loader::MakeMagic('N', 'C', 'C', 'H') != ncch_header.magic)
return Loader::ResultStatus::ErrorInvalidFormat;
// System archives and DLC don't have an extended header but have RomFS
if (ncch_header.extended_header_size) {
if (file.ReadBytes(&exheader_header, sizeof(ExHeader_Header)) != sizeof(ExHeader_Header))
return Loader::ResultStatus::Error;
is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
u32 entry_point = exheader_header.codeset_info.text.address;
u32 code_size = exheader_header.codeset_info.text.code_size;
u32 stack_size = exheader_header.codeset_info.stack_size;
u32 bss_size = exheader_header.codeset_info.bss_size;
u32 core_version = exheader_header.arm11_system_local_caps.core_version;
u8 priority = exheader_header.arm11_system_local_caps.priority;
u8 resource_limit_category =
exheader_header.arm11_system_local_caps.resource_limit_category;
LOG_DEBUG(Service_FS, "Name: %s", exheader_header.codeset_info.name);
LOG_DEBUG(Service_FS, "Program ID: %016" PRIX64, ncch_header.program_id);
LOG_DEBUG(Service_FS, "Code compressed: %s", is_compressed ? "yes" : "no");
LOG_DEBUG(Service_FS, "Entry point: 0x%08X", entry_point);
LOG_DEBUG(Service_FS, "Code size: 0x%08X", code_size);
LOG_DEBUG(Service_FS, "Stack size: 0x%08X", stack_size);
LOG_DEBUG(Service_FS, "Bss size: 0x%08X", bss_size);
LOG_DEBUG(Service_FS, "Core version: %d", core_version);
LOG_DEBUG(Service_FS, "Thread priority: 0x%X", priority);
LOG_DEBUG(Service_FS, "Resource limit category: %d", resource_limit_category);
LOG_DEBUG(Service_FS, "System Mode: %d",
static_cast<int>(exheader_header.arm11_system_local_caps.system_mode));
if (exheader_header.system_info.jump_id != ncch_header.program_id) {
LOG_ERROR(Service_FS, "ExHeader Program ID mismatch: the ROM is probably encrypted.");
return Loader::ResultStatus::ErrorEncrypted;
}
has_exheader = true;
}
// DLC can have an ExeFS and a RomFS but no extended header
if (ncch_header.exefs_size) {
exefs_offset = ncch_header.exefs_offset * kBlockSize;
u32 exefs_size = ncch_header.exefs_size * kBlockSize;
LOG_DEBUG(Service_FS, "ExeFS offset: 0x%08X", exefs_offset);
LOG_DEBUG(Service_FS, "ExeFS size: 0x%08X", exefs_size);
file.Seek(exefs_offset + ncch_offset, SEEK_SET);
if (file.ReadBytes(&exefs_header, sizeof(ExeFs_Header)) != sizeof(ExeFs_Header))
return Loader::ResultStatus::Error;
has_exefs = true;
}
if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0)
has_romfs = true;
is_loaded = true;
return Loader::ResultStatus::Success;
}
Loader::ResultStatus NCCHContainer::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) {
if (!file.IsOpen())
return Loader::ResultStatus::Error;
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return result;
if (!has_exefs)
return Loader::ResultStatus::ErrorNotUsed;
LOG_DEBUG(Service_FS, "%d sections:", kMaxSections);
// Iterate through the ExeFs archive until we find a section with the specified name...
for (unsigned section_number = 0; section_number < kMaxSections; section_number++) {
const auto& section = exefs_header.section[section_number];
// Load the specified section...
if (strcmp(section.name, name) == 0) {
LOG_DEBUG(Service_FS, "%d - offset: 0x%08X, size: 0x%08X, name: %s", section_number,
section.offset, section.size, section.name);
s64 section_offset =
(section.offset + exefs_offset + sizeof(ExeFs_Header) + ncch_offset);
file.Seek(section_offset, SEEK_SET);
if (strcmp(section.name, ".code") == 0 && is_compressed) {
// Section is compressed, read compressed .code section...
std::unique_ptr<u8[]> temp_buffer;
try {
temp_buffer.reset(new u8[section.size]);
} catch (std::bad_alloc&) {
return Loader::ResultStatus::ErrorMemoryAllocationFailed;
}
if (file.ReadBytes(&temp_buffer[0], section.size) != section.size)
return Loader::ResultStatus::Error;
// Decompress .code section...
u32 decompressed_size = LZSS_GetDecompressedSize(&temp_buffer[0], section.size);
buffer.resize(decompressed_size);
if (!LZSS_Decompress(&temp_buffer[0], section.size, &buffer[0], decompressed_size))
return Loader::ResultStatus::ErrorInvalidFormat;
} else {
// Section is uncompressed...
buffer.resize(section.size);
if (file.ReadBytes(&buffer[0], section.size) != section.size)
return Loader::ResultStatus::Error;
}
return Loader::ResultStatus::Success;
}
}
return Loader::ResultStatus::ErrorNotUsed;
}
Loader::ResultStatus NCCHContainer::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file,
u64& offset, u64& size) {
if (!file.IsOpen())
return Loader::ResultStatus::Error;
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return result;
if (!has_romfs) {
LOG_DEBUG(Service_FS, "RomFS requested from NCCH which has no RomFS");
return Loader::ResultStatus::ErrorNotUsed;
}
u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
LOG_DEBUG(Service_FS, "RomFS offset: 0x%08X", romfs_offset);
LOG_DEBUG(Service_FS, "RomFS size: 0x%08X", romfs_size);
if (file.GetSize() < romfs_offset + romfs_size)
return Loader::ResultStatus::Error;
// 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 Loader::ResultStatus::Error;
offset = romfs_offset;
size = romfs_size;
return Loader::ResultStatus::Success;
}
Loader::ResultStatus NCCHContainer::ReadProgramId(u64_le& program_id) {
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return result;
program_id = ncch_header.program_id;
return Loader::ResultStatus::Success;
}
bool NCCHContainer::HasExeFS() {
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return false;
return has_exefs;
}
bool NCCHContainer::HasRomFS() {
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return false;
return has_romfs;
}
bool NCCHContainer::HasExHeader() {
Loader::ResultStatus result = Load();
if (result != Loader::ResultStatus::Success)
return false;
return has_exheader;
}
} // namespace FileSys

244
src/core/file_sys/ncch_container.h Normal file
View File

@ -0,0 +1,244 @@
// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <memory>
#include <string>
#include <vector>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/swap.h"
#include "core/core.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
/// NCCH header (Note: "NCCH" appears to be a publicly unknown acronym)
struct NCCH_Header {
u8 signature[0x100];
u32_le magic;
u32_le content_size;
u8 partition_id[8];
u16_le maker_code;
u16_le version;
u8 reserved_0[4];
u64_le program_id;
u8 reserved_1[0x10];
u8 logo_region_hash[0x20];
u8 product_code[0x10];
u8 extended_header_hash[0x20];
u32_le extended_header_size;
u8 reserved_2[4];
u8 flags[8];
u32_le plain_region_offset;
u32_le plain_region_size;
u32_le logo_region_offset;
u32_le logo_region_size;
u32_le exefs_offset;
u32_le exefs_size;
u32_le exefs_hash_region_size;
u8 reserved_3[4];
u32_le romfs_offset;
u32_le romfs_size;
u32_le romfs_hash_region_size;
u8 reserved_4[4];
u8 exefs_super_block_hash[0x20];
u8 romfs_super_block_hash[0x20];
};
static_assert(sizeof(NCCH_Header) == 0x200, "NCCH header structure size is wrong");
////////////////////////////////////////////////////////////////////////////////////////////////////
// ExeFS (executable file system) headers
struct ExeFs_SectionHeader {
char name[8];
u32 offset;
u32 size;
};
struct ExeFs_Header {
ExeFs_SectionHeader section[8];
u8 reserved[0x80];
u8 hashes[8][0x20];
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// 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;
u32 stack_size;
ExHeader_CodeSegmentInfo ro;
u8 reserved[4];
ExHeader_CodeSegmentInfo data;
u32 bss_size;
};
struct ExHeader_DependencyList {
u8 program_id[0x30][8];
};
struct ExHeader_SystemInfo {
u64 save_data_size;
u64_le jump_id;
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 {
u64_le program_id;
u32_le core_version;
u8 reserved_flags[2];
union {
u8 flags0;
BitField<0, 2, u8> ideal_processor;
BitField<2, 2, u8> affinity_mask;
BitField<4, 4, u8> system_mode;
};
u8 priority;
u8 resource_limit_descriptor[0x10][2];
ExHeader_StorageInfo storage_info;
u8 service_access_control[0x20][8];
u8 ex_service_access_control[0x2][8];
u8 reserved[0xf];
u8 resource_limit_category;
};
struct ExHeader_ARM11_KernelCaps {
u32_le descriptors[28];
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;
};
static_assert(sizeof(ExHeader_Header) == 0x800, "ExHeader structure size is wrong");
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/**
* Helper which implements an interface to deal with NCCH containers which can
* contain ExeFS archives or RomFS archives for games or other applications.
*/
class NCCHContainer {
public:
NCCHContainer(const std::string& filepath);
NCCHContainer() {}
Loader::ResultStatus OpenFile(const std::string& filepath);
/**
* Ensure ExeFS and exheader is loaded and ready for reading sections
* @return ResultStatus result of function
*/
Loader::ResultStatus Load();
/**
* Reads an application ExeFS section of an NCCH file (e.g. .code, .logo, etc.)
* @param name Name of section to read out of NCCH file
* @param buffer Vector to read data into
* @return ResultStatus result of function
*/
Loader::ResultStatus LoadSectionExeFS(const char* name, std::vector<u8>& buffer);
/**
* Get the RomFS of the NCCH container
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
* @param romfs_file The file containing the RomFS
* @param offset The offset the romfs begins on
* @param size The size of the romfs
* @return ResultStatus result of function
*/
Loader::ResultStatus ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size);
/**
* Get the Program ID of the NCCH container
* @return ResultStatus result of function
*/
Loader::ResultStatus ReadProgramId(u64_le& program_id);
/**
* Checks whether the NCCH container contains an ExeFS
* @return bool check result
*/
bool HasExeFS();
/**
* Checks whether the NCCH container contains a RomFS
* @return bool check result
*/
bool HasRomFS();
/**
* Checks whether the NCCH container contains an ExHeader
* @return bool check result
*/
bool HasExHeader();
NCCH_Header ncch_header;
ExeFs_Header exefs_header;
ExHeader_Header exheader_header;
private:
bool has_exheader = false;
bool has_exefs = false;
bool has_romfs = false;
bool is_loaded = false;
bool is_compressed = false;
u32 ncch_offset = 0; // Offset to NCCH header, can be 0 or after NCSD header
u32 exefs_offset = 0;
std::string filepath;
FileUtil::IOFile file;
};
} // namespace FileSys

11
src/core/hle/kernel/thread.cpp
View File

@ -178,16 +178,13 @@ static void SwitchContext(Thread* new_thread) {
ready_queue.remove(new_thread->current_priority, new_thread);
new_thread->status = THREADSTATUS_RUNNING;
Core::CPU().LoadContext(new_thread->context);
Core::CPU().SetCP15Register(CP15_THREAD_URO, new_thread->GetTLSAddress());
if (previous_process != current_thread->owner_process) {
Kernel::g_current_process = current_thread->owner_process;
Memory::current_page_table = &Kernel::g_current_process->vm_manager.page_table;
// We have switched processes and thus, page tables, clear the instruction cache so we
// don't keep stale data from the previous process.
Core::CPU().ClearInstructionCache();
SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
}
Core::CPU().LoadContext(new_thread->context);
Core::CPU().SetCP15Register(CP15_THREAD_URO, new_thread->GetTLSAddress());
} else {
current_thread = nullptr;
// Note: We do not reset the current process and current page table when idling because

141
src/core/hle/service/nwm/nwm_uds.cpp
View File

@ -2,8 +2,10 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <cstring>
#include <list>
#include <mutex>
#include <unordered_map>
#include <vector>
@ -37,9 +39,12 @@ static ConnectionStatus connection_status{};
/* Node information about the current network.
* The amount of elements in this vector is always the maximum number
* of nodes specified in the network configuration.
* The first node is always the host, so this always contains at least 1 entry.
* The first node is always the host.
*/
static NodeList node_info(1);
static NodeList node_info;
// Node information about our own system.
static NodeInfo current_node;
// Mapping of bind node ids to their respective events.
static std::unordered_map<u32, Kernel::SharedPtr<Kernel::Event>> bind_node_events;
@ -54,6 +59,10 @@ static NetworkInfo network_info;
// Event that will generate and send the 802.11 beacon frames.
static int beacon_broadcast_event;
// Mutex to synchronize access to the connection status between the emulation thread and the
// network thread.
static std::mutex connection_status_mutex;
// Mutex to synchronize access to the list of received beacons between the emulation thread and the
// network thread.
static std::mutex beacon_mutex;
@ -63,14 +72,26 @@ static std::mutex beacon_mutex;
constexpr size_t MaxBeaconFrames = 15;
// List of the last <MaxBeaconFrames> beacons received from the network.
static std::deque<Network::WifiPacket> received_beacons;
static std::list<Network::WifiPacket> received_beacons;
/**
* Returns a list of received 802.11 beacon frames from the specified sender since the last call.
*/
std::deque<Network::WifiPacket> GetReceivedBeacons(const MacAddress& sender) {
std::list<Network::WifiPacket> GetReceivedBeacons(const MacAddress& sender) {
std::lock_guard<std::mutex> lock(beacon_mutex);
// TODO(Subv): Filter by sender.
if (sender != Network::BroadcastMac) {
std::list<Network::WifiPacket> filtered_list;
const auto beacon = std::find_if(received_beacons.begin(), received_beacons.end(),
[&sender](const Network::WifiPacket& packet) {
return packet.transmitter_address == sender;
});
if (beacon != received_beacons.end()) {
filtered_list.push_back(*beacon);
// TODO(B3N30): Check if the complete deque is cleared or just the fetched entries
received_beacons.erase(beacon);
}
return filtered_list;
}
return std::move(received_beacons);
}
@ -83,6 +104,15 @@ void SendPacket(Network::WifiPacket& packet) {
// limit is exceeded.
void HandleBeaconFrame(const Network::WifiPacket& packet) {
std::lock_guard<std::mutex> lock(beacon_mutex);
const auto unique_beacon =
std::find_if(received_beacons.begin(), received_beacons.end(),
[&packet](const Network::WifiPacket& new_packet) {
return new_packet.transmitter_address == packet.transmitter_address;
});
if (unique_beacon != received_beacons.end()) {
// We already have a beacon from the same mac in the deque, remove the old one;
received_beacons.erase(unique_beacon);
}
received_beacons.emplace_back(packet);
@ -91,14 +121,33 @@ void HandleBeaconFrame(const Network::WifiPacket& packet) {
received_beacons.pop_front();
}
void HandleAssociationResponseFrame(const Network::WifiPacket& packet) {
auto assoc_result = GetAssociationResult(packet.data);
ASSERT_MSG(std::get<AssocStatus>(assoc_result) == AssocStatus::Successful,
"Could not join network");
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
ASSERT(connection_status.status == static_cast<u32>(NetworkStatus::Connecting));
}
// Send the EAPoL-Start packet to the server.
using Network::WifiPacket;
WifiPacket eapol_start;
eapol_start.channel = network_channel;
eapol_start.data = GenerateEAPoLStartFrame(std::get<u16>(assoc_result), current_node);
// TODO(B3N30): Encrypt the packet.
eapol_start.destination_address = packet.transmitter_address;
eapol_start.type = WifiPacket::PacketType::Data;
SendPacket(eapol_start);
}
/*
* Returns an available index in the nodes array for the
* currently-hosted UDS network.
*/
static u16 GetNextAvailableNodeId() {
ASSERT_MSG(connection_status.status == static_cast<u32>(NetworkStatus::ConnectedAsHost),
"Can not accept clients if we're not hosting a network");
for (u16 index = 0; index < connection_status.max_nodes; ++index) {
if ((connection_status.node_bitmask & (1 << index)) == 0)
return index;
@ -113,27 +162,37 @@ static u16 GetNextAvailableNodeId() {
* authentication frame with SEQ1.
*/
void StartConnectionSequence(const MacAddress& server) {
using Network::WifiPacket;
WifiPacket auth_request;
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
ASSERT(connection_status.status == static_cast<u32>(NetworkStatus::NotConnected));
// TODO(Subv): Handle timeout.
// Send an authentication frame with SEQ1
using Network::WifiPacket;
WifiPacket auth_request;
auth_request.channel = network_channel;
auth_request.data = GenerateAuthenticationFrame(AuthenticationSeq::SEQ1);
auth_request.destination_address = server;
auth_request.type = WifiPacket::PacketType::Authentication;
}
SendPacket(auth_request);
}
/// Sends an Association Response frame to the specified mac address
void SendAssociationResponseFrame(const MacAddress& address) {
ASSERT_MSG(connection_status.status == static_cast<u32>(NetworkStatus::ConnectedAsHost));
using Network::WifiPacket;
WifiPacket assoc_response;
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
if (connection_status.status != static_cast<u32>(NetworkStatus::ConnectedAsHost)) {
LOG_ERROR(Service_NWM, "Connection sequence aborted, because connection status is %u",
connection_status.status);
return;
}
assoc_response.channel = network_channel;
// TODO(Subv): This will cause multiple clients to end up with the same association id, but
// we're not using that for anything.
@ -142,6 +201,7 @@ void SendAssociationResponseFrame(const MacAddress& address) {
network_info.network_id);
assoc_response.destination_address = address;
assoc_response.type = WifiPacket::PacketType::AssociationResponse;
}
SendPacket(assoc_response);
}
@ -155,16 +215,23 @@ void SendAssociationResponseFrame(const MacAddress& address) {
void HandleAuthenticationFrame(const Network::WifiPacket& packet) {
// Only the SEQ1 auth frame is handled here, the SEQ2 frame doesn't need any special behavior
if (GetAuthenticationSeqNumber(packet.data) == AuthenticationSeq::SEQ1) {
ASSERT_MSG(connection_status.status == static_cast<u32>(NetworkStatus::ConnectedAsHost));
// Respond with an authentication response frame with SEQ2
using Network::WifiPacket;
WifiPacket auth_request;
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
if (connection_status.status != static_cast<u32>(NetworkStatus::ConnectedAsHost)) {
LOG_ERROR(Service_NWM,
"Connection sequence aborted, because connection status is %u",
connection_status.status);
return;
}
// Respond with an authentication response frame with SEQ2
auth_request.channel = network_channel;
auth_request.data = GenerateAuthenticationFrame(AuthenticationSeq::SEQ2);
auth_request.destination_address = packet.transmitter_address;
auth_request.type = WifiPacket::PacketType::Authentication;
}
SendPacket(auth_request);
SendAssociationResponseFrame(packet.transmitter_address);
@ -180,6 +247,9 @@ void OnWifiPacketReceived(const Network::WifiPacket& packet) {
case Network::WifiPacket::PacketType::Authentication:
HandleAuthenticationFrame(packet);
break;
case Network::WifiPacket::PacketType::AssociationResponse:
HandleAssociationResponseFrame(packet);
break;
}
}
@ -305,7 +375,7 @@ static void InitializeWithVersion(Interface* self) {
u32 sharedmem_size = rp.Pop<u32>();
// Update the node information with the data the game gave us.
rp.PopRaw(node_info[0]);
rp.PopRaw(current_node);
u16 version = rp.Pop<u16>();
@ -315,10 +385,14 @@ static void InitializeWithVersion(Interface* self) {
ASSERT_MSG(recv_buffer_memory->size == sharedmem_size, "Invalid shared memory size.");
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
// Reset the connection status, it contains all zeros after initialization,
// except for the actual status value.
connection_status = {};
connection_status.status = static_cast<u32>(NetworkStatus::NotConnected);
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
@ -348,12 +422,16 @@ static void GetConnectionStatus(Interface* self) {
IPC::RequestBuilder rb = rp.MakeBuilder(13, 0);
rb.Push(RESULT_SUCCESS);
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
rb.PushRaw(connection_status);
// Reset the bitmask of changed nodes after each call to this
// function to prevent falsely informing games of outstanding
// changes in subsequent calls.
// TODO(Subv): Find exactly where the NWM module resets this value.
connection_status.changed_nodes = 0;
}
LOG_DEBUG(Service_NWM, "called");
}
@ -434,10 +512,13 @@ static void BeginHostingNetwork(Interface* self) {
// The real UDS module throws a fatal error if this assert fails.
ASSERT_MSG(network_info.max_nodes > 1, "Trying to host a network of only one member.");
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
connection_status.status = static_cast<u32>(NetworkStatus::ConnectedAsHost);
// Ensure the application data size is less than the maximum value.
ASSERT_MSG(network_info.application_data_size <= ApplicationDataSize, "Data size is too big.");
ASSERT_MSG(network_info.application_data_size <= ApplicationDataSize,
"Data size is too big.");
// Set up basic information for this network.
network_info.oui_value = NintendoOUI;
@ -453,12 +534,14 @@ static void BeginHostingNetwork(Interface* self) {
network_info.total_nodes = 1;
// The host is always the first node
connection_status.network_node_id = 1;
node_info[0].network_node_id = 1;
current_node.network_node_id = 1;
connection_status.nodes[0] = connection_status.network_node_id;
// Set the bit 0 in the nodes bitmask to indicate that node 1 is already taken.
connection_status.node_bitmask |= 1;
// Notify the application that the first node was set.
connection_status.changed_nodes |= 1;
node_info[0] = current_node;
}
// If the game has a preferred channel, use that instead.
if (network_info.channel != 0)
@ -495,9 +578,13 @@ static void DestroyNetwork(Interface* self) {
// Unschedule the beacon broadcast event.
CoreTiming::UnscheduleEvent(beacon_broadcast_event, 0);
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
// TODO(Subv): Check if connection_status is indeed reset after this call.
connection_status = {};
connection_status.status = static_cast<u8>(NetworkStatus::NotConnected);
}
connection_status_event->Signal();
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
@ -540,6 +627,10 @@ static void SendTo(Interface* self) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
u16 network_node_id;
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
if (connection_status.status != static_cast<u32>(NetworkStatus::ConnectedAsClient) &&
connection_status.status != static_cast<u32>(NetworkStatus::ConnectedAsHost)) {
rb.Push(ResultCode(ErrorDescription::NotAuthorized, ErrorModule::UDS,
@ -553,6 +644,9 @@ static void SendTo(Interface* self) {
return;
}
network_node_id = connection_status.network_node_id;
}
// TODO(Subv): Do something with the flags.
constexpr size_t MaxSize = 0x5C6;
@ -567,8 +661,8 @@ static void SendTo(Interface* self) {
// TODO(Subv): Increment the sequence number after each sent packet.
u16 sequence_number = 0;
std::vector<u8> data_payload = GenerateDataPayload(
data, data_channel, dest_node_id, connection_status.network_node_id, sequence_number);
std::vector<u8> data_payload =
GenerateDataPayload(data, data_channel, dest_node_id, network_node_id, sequence_number);
// TODO(Subv): Retrieve the MAC address of the dest_node_id and our own to encrypt
// and encapsulate the payload.
@ -595,6 +689,7 @@ static void GetChannel(Interface* self) {
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x1A, 0, 0);
IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
std::lock_guard<std::mutex> lock(connection_status_mutex);
bool is_connected = connection_status.status != static_cast<u32>(NetworkStatus::NotConnected);
u8 channel = is_connected ? network_channel : 0;
@ -766,6 +861,7 @@ static void BeaconBroadcastCallback(u64 userdata, int cycles_late) {
* @param network_node_id Network Node Id of the connecting client.
*/
void OnClientConnected(u16 network_node_id) {
std::lock_guard<std::mutex> lock(connection_status_mutex);
ASSERT_MSG(connection_status.status == static_cast<u32>(NetworkStatus::ConnectedAsHost),
"Can not accept clients if we're not hosting a network");
ASSERT_MSG(connection_status.total_nodes < connection_status.max_nodes,
@ -827,8 +923,11 @@ NWM_UDS::~NWM_UDS() {
connection_status_event = nullptr;
recv_buffer_memory = nullptr;
{
std::lock_guard<std::mutex> lock(connection_status_mutex);
connection_status = {};
connection_status.status = static_cast<u32>(NetworkStatus::NotConnected);
}
CoreTiming::UnscheduleEvent(beacon_broadcast_event, 0);
}

9
src/core/hle/service/nwm/uds_connection.cpp
View File

@ -75,5 +75,14 @@ std::vector<u8> GenerateAssocResponseFrame(AssocStatus status, u16 association_i
return data;
}
std::tuple<AssocStatus, u16> GetAssociationResult(const std::vector<u8>& body) {
AssociationResponseFrame frame;
memcpy(&frame, body.data(), sizeof(frame));
constexpr u16 AssociationIdMask = 0x3FFF;
return std::make_tuple(static_cast<AssocStatus>(frame.status_code),
frame.assoc_id & AssociationIdMask);
}
} // namespace NWM
} // namespace Service

5
src/core/hle/service/nwm/uds_connection.h
View File

@ -4,6 +4,7 @@
#pragma once
#include <tuple>
#include <vector>
#include "common/common_types.h"
#include "common/swap.h"
@ -47,5 +48,9 @@ AuthenticationSeq GetAuthenticationSeqNumber(const std::vector<u8>& body);
/// network id, starting at the frame body.
std::vector<u8> GenerateAssocResponseFrame(AssocStatus status, u16 association_id, u32 network_id);
/// Returns a tuple of (association status, association id) from the body of an AssociationResponse
/// frame.
std::tuple<AssocStatus, u16> GetAssociationResult(const std::vector<u8>& body);
} // namespace NWM
} // namespace Service

21
src/core/hle/service/nwm/uds_data.cpp
View File

@ -274,5 +274,26 @@ std::vector<u8> GenerateDataPayload(const std::vector<u8>& data, u8 channel, u16
return buffer;
}
std::vector<u8> GenerateEAPoLStartFrame(u16 association_id, const NodeInfo& node_info) {
EAPoLStartPacket eapol_start{};
eapol_start.association_id = association_id;
eapol_start.friend_code_seed = node_info.friend_code_seed;
for (int i = 0; i < node_info.username.size(); ++i)
eapol_start.username[i] = node_info.username[i];
// Note: The network_node_id and unknown bytes seem to be uninitialized in the NWM module.
// TODO(B3N30): The last 8 bytes seem to have a fixed value of 07 88 15 00 04 e9 13 00 in
// EAPoL-Start packets from different 3DSs to the same host during a Super Smash Bros. 4 game.
// Find out what that means.
std::vector<u8> eapol_buffer(sizeof(EAPoLStartPacket));
std::memcpy(eapol_buffer.data(), &eapol_start, sizeof(eapol_start));
std::vector<u8> buffer = GenerateLLCHeader(EtherType::EAPoL);
buffer.insert(buffer.end(), eapol_buffer.begin(), eapol_buffer.end());
return buffer;
}
} // namespace NWM
} // namespace Service

28
src/core/hle/service/nwm/uds_data.h
View File

@ -67,6 +67,27 @@ struct DataFrameCryptoCTR {
static_assert(sizeof(DataFrameCryptoCTR) == 16, "DataFrameCryptoCTR has the wrong size");
constexpr u16 EAPoLStartMagic = 0x201;
/*
* Nintendo EAPoLStartPacket, is used to initaliaze a connection between client and host
*/
struct EAPoLStartPacket {
u16_be magic = EAPoLStartMagic;
u16_be association_id;
// This value is hardcoded to 1 in the NWM module.
u16_be unknown = 1;
INSERT_PADDING_BYTES(2);
u64_be friend_code_seed;
std::array<u16_be, 10> username;
INSERT_PADDING_BYTES(4);
u16_be network_node_id;
INSERT_PADDING_BYTES(6);
};
static_assert(sizeof(EAPoLStartPacket) == 0x30, "EAPoLStartPacket has the wrong size");
/**
* Generates an unencrypted 802.11 data payload.
* @returns The generated frame payload.
@ -74,5 +95,12 @@ static_assert(sizeof(DataFrameCryptoCTR) == 16, "DataFrameCryptoCTR has the wron
std::vector<u8> GenerateDataPayload(const std::vector<u8>& data, u8 channel, u16 dest_node,
u16 src_node, u16 sequence_number);
/*
* Generates an unencrypted 802.11 data frame body with the EAPoL-Start format for UDS
* communication.
* @returns The generated frame body.
*/
std::vector<u8> GenerateEAPoLStartFrame(u16 association_id, const NodeInfo& node_info);
} // namespace NWM
} // namespace Service

4
src/core/hle/service/sm/sm.cpp
View File

@ -36,6 +36,10 @@ ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService
std::string name, unsigned int max_sessions) {
CASCADE_CODE(ValidateServiceName(name));
if (registered_services.find(name) != registered_services.end())
return ERR_ALREADY_REGISTERED;
Kernel::SharedPtr<Kernel::ServerPort> server_port;
Kernel::SharedPtr<Kernel::ClientPort> client_port;
std::tie(server_port, client_port) = Kernel::ServerPort::CreatePortPair(max_sessions, name);

3
src/core/hle/service/sm/sm.h
View File

@ -32,6 +32,9 @@ constexpr ResultCode ERR_ACCESS_DENIED(6, ErrorModule::SRV, ErrorSummary::Invali
ErrorLevel::Permanent); // 0xD8E06406
constexpr ResultCode ERR_NAME_CONTAINS_NUL(7, ErrorModule::SRV, ErrorSummary::WrongArgument,
ErrorLevel::Permanent); // 0xD9006407
constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorDescription::AlreadyExists, ErrorModule::OS,
ErrorSummary::WrongArgument,
ErrorLevel::Permanent); // 0xD9001BFC
class ServiceManager {
public:

26
src/core/hle/service/sm/srv.cpp
View File

@ -13,6 +13,7 @@
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/semaphore.h"
#include "core/hle/kernel/server_port.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/service/sm/sm.h"
#include "core/hle/service/sm/srv.h"
@ -184,12 +185,35 @@ void SRV::PublishToSubscriber(Kernel::HLERequestContext& ctx) {
flags);
}
void SRV::RegisterService(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp(ctx, 0x3, 4, 0);
auto name_buf = rp.PopRaw<std::array<char, 8>>();
size_t name_len = rp.Pop<u32>();
u32 max_sessions = rp.Pop<u32>();
std::string name(name_buf.data(), std::min(name_len, name_buf.size()));
auto port = service_manager->RegisterService(name, max_sessions);
if (port.Failed()) {
IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
rb.Push(port.Code());
LOG_ERROR(Service_SRV, "called service=%s -> error 0x%08X", name.c_str(), port.Code().raw);
return;
}
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushObjects(port.Unwrap());
}
SRV::SRV(std::shared_ptr<ServiceManager> service_manager)
: ServiceFramework("srv:", 4), service_manager(std::move(service_manager)) {
static const FunctionInfo functions[] = {
{0x00010002, &SRV::RegisterClient, "RegisterClient"},
{0x00020000, &SRV::EnableNotification, "EnableNotification"},
{0x00030100, nullptr, "RegisterService"},
{0x00030100, &SRV::RegisterService, "RegisterService"},
{0x000400C0, nullptr, "UnregisterService"},
{0x00050100, &SRV::GetServiceHandle, "GetServiceHandle"},
{0x000600C2, nullptr, "RegisterPort"},

1
src/core/hle/service/sm/srv.h
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@ -28,6 +28,7 @@ private:
void Subscribe(Kernel::HLERequestContext& ctx);
void Unsubscribe(Kernel::HLERequestContext& ctx);
void PublishToSubscriber(Kernel::HLERequestContext& ctx);
void RegisterService(Kernel::HLERequestContext& ctx);
std::shared_ptr<ServiceManager> service_manager;
Kernel::SharedPtr<Kernel::Semaphore> notification_semaphore;

2
src/core/loader/3dsx.cpp
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@ -270,7 +270,7 @@ ResultStatus AppLoader_THREEDSX::Load() {
Kernel::g_current_process = Kernel::Process::Create(std::move(codeset));
Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->address_mappings = default_address_mappings;
Memory::current_page_table = &Kernel::g_current_process->vm_manager.page_table;
Memory::SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
// Attach the default resource limit (APPLICATION) to the process
Kernel::g_current_process->resource_limit =

2
src/core/loader/elf.cpp
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@ -397,7 +397,7 @@ ResultStatus AppLoader_ELF::Load() {
Kernel::g_current_process = Kernel::Process::Create(std::move(codeset));
Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->address_mappings = default_address_mappings;
Memory::current_page_table = &Kernel::g_current_process->vm_manager.page_table;
Memory::SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
// Attach the default resource limit (APPLICATION) to the process
Kernel::g_current_process->resource_limit =

13
src/core/loader/loader.h
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@ -166,6 +166,19 @@ public:
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the update RomFS of the application
* Since the RomFS can be huge, we return a file reference instead of copying to a buffer
* @param romfs_file The file containing the RomFS
* @param offset The offset the romfs begins on
* @param size The size of the romfs
* @return ResultStatus result of function
*/
virtual ResultStatus ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) {
return ResultStatus::ErrorNotImplemented;
}
/**
* Get the title of the application
* @param title Reference to store the application title into

321
src/core/loader/ncch.cpp
View File

@ -13,6 +13,7 @@
#include "common/swap.h"
#include "core/core.h"
#include "core/file_sys/archive_selfncch.h"
#include "core/file_sys/ncch_container.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/service/cfg/cfg.h"
@ -27,87 +28,7 @@
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
*/
static u32 LZSS_GetDecompressedSize(const 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
*/
static bool LZSS_Decompress(const u8* compressed, u32 compressed_size, u8* decompressed,
u32 decompressed_size) {
const u8* footer = compressed + compressed_size - 8;
u32 buffer_top_and_bottom = *reinterpret_cast<const u32*>(footer);
u32 out = decompressed_size;
u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF);
u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF);
memset(decompressed, 0, decompressed_size);
memcpy(decompressed, compressed, compressed_size);
while (index > stop_index) {
u8 control = compressed[--index];
for (unsigned 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 (unsigned j = 0; j < segment_size; j++) {
// Check if compression is out of bounds
if (out + segment_offset >= decompressed_size)
return false;
u8 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
static const u64 UPDATE_MASK = 0x0000000e00000000;
FileType AppLoader_NCCH::IdentifyType(FileUtil::IOFile& file) {
u32 magic;
@ -124,15 +45,25 @@ FileType AppLoader_NCCH::IdentifyType(FileUtil::IOFile& file) {
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);
return Common::StringFromFormat("%sNintendo 3DS/%s/%s/title/%08x/%08x/content/00000000.app",
FileUtil::GetUserPath(D_SDMC_IDX).c_str(), SYSTEM_ID, SDCARD_ID,
high, low);
}
std::pair<boost::optional<u32>, ResultStatus> AppLoader_NCCH::LoadKernelSystemMode() {
if (!is_loaded) {
ResultStatus res = LoadExeFS();
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(exheader_header.arm11_system_local_caps.system_mode.Value(),
return std::make_pair(overlay_ncch->exheader_header.arm11_system_local_caps.system_mode.Value(),
ResultStatus::Success);
}
@ -144,183 +75,65 @@ ResultStatus AppLoader_NCCH::LoadExec() {
return ResultStatus::ErrorNotLoaded;
std::vector<u8> code;
if (ResultStatus::Success == ReadCode(code)) {
u64_le program_id;
if (ResultStatus::Success == ReadCode(code) &&
ResultStatus::Success == ReadProgramId(program_id)) {
std::string process_name = Common::StringFromFixedZeroTerminatedBuffer(
(const char*)exheader_header.codeset_info.name, 8);
(const char*)overlay_ncch->exheader_header.codeset_info.name, 8);
SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, ncch_header.program_id);
SharedPtr<CodeSet> codeset = CodeSet::Create(process_name, program_id);
codeset->code.offset = 0;
codeset->code.addr = exheader_header.codeset_info.text.address;
codeset->code.size = exheader_header.codeset_info.text.num_max_pages * Memory::PAGE_SIZE;
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 = exheader_header.codeset_info.ro.address;
codeset->rodata.size = exheader_header.codeset_info.ro.num_max_pages * Memory::PAGE_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 = (exheader_header.codeset_info.bss_size + 0xFFF) & ~0xFFF;
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 = exheader_header.codeset_info.data.address;
codeset->data.addr = overlay_ncch->exheader_header.codeset_info.data.address;
codeset->data.size =
exheader_header.codeset_info.data.num_max_pages * Memory::PAGE_SIZE + bss_page_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));
Kernel::g_current_process = Kernel::Process::Create(std::move(codeset));
Memory::current_page_table = &Kernel::g_current_process->vm_manager.page_table;
Memory::SetCurrentPageTable(&Kernel::g_current_process->vm_manager.page_table);
// Attach a resource limit to the process based on the resource limit category
Kernel::g_current_process->resource_limit =
Kernel::ResourceLimit::GetForCategory(static_cast<Kernel::ResourceLimitCategory>(
exheader_header.arm11_system_local_caps.resource_limit_category));
overlay_ncch->exheader_header.arm11_system_local_caps.resource_limit_category));
// Set the default CPU core for this process
Kernel::g_current_process->ideal_processor =
exheader_header.arm11_system_local_caps.ideal_processor;
overlay_ncch->exheader_header.arm11_system_local_caps.ideal_processor;
// Copy data while converting endianness
std::array<u32, ARRAY_SIZE(exheader_header.arm11_kernel_caps.descriptors)> kernel_caps;
std::copy_n(exheader_header.arm11_kernel_caps.descriptors, kernel_caps.size(),
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));
Kernel::g_current_process->ParseKernelCaps(kernel_caps.data(), kernel_caps.size());
s32 priority = exheader_header.arm11_system_local_caps.priority;
u32 stack_size = exheader_header.codeset_info.stack_size;
s32 priority = overlay_ncch->exheader_header.arm11_system_local_caps.priority;
u32 stack_size = overlay_ncch->exheader_header.codeset_info.stack_size;
Kernel::g_current_process->Run(priority, stack_size);
return ResultStatus::Success;
}
return ResultStatus::Error;
}
ResultStatus AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) {
if (!file.IsOpen())
return ResultStatus::Error;
ResultStatus result = LoadExeFS();
if (result != ResultStatus::Success)
return result;
LOG_DEBUG(Loader, "%d sections:", kMaxSections);
// Iterate through the ExeFs archive until we find a section with the specified name...
for (unsigned section_number = 0; section_number < kMaxSections; section_number++) {
const auto& section = exefs_header.section[section_number];
// Load the specified section...
if (strcmp(section.name, name) == 0) {
LOG_DEBUG(Loader, "%d - offset: 0x%08X, size: 0x%08X, name: %s", section_number,
section.offset, section.size, section.name);
s64 section_offset =
(section.offset + exefs_offset + sizeof(ExeFs_Header) + ncch_offset);
file.Seek(section_offset, SEEK_SET);
if (strcmp(section.name, ".code") == 0 && is_compressed) {
// Section is compressed, read compressed .code section...
std::unique_ptr<u8[]> temp_buffer;
try {
temp_buffer.reset(new u8[section.size]);
} catch (std::bad_alloc&) {
return ResultStatus::ErrorMemoryAllocationFailed;
}
if (file.ReadBytes(&temp_buffer[0], section.size) != section.size)
return ResultStatus::Error;
// Decompress .code section...
u32 decompressed_size = LZSS_GetDecompressedSize(&temp_buffer[0], section.size);
buffer.resize(decompressed_size);
if (!LZSS_Decompress(&temp_buffer[0], section.size, &buffer[0], decompressed_size))
return ResultStatus::ErrorInvalidFormat;
} else {
// Section is uncompressed...
buffer.resize(section.size);
if (file.ReadBytes(&buffer[0], section.size) != section.size)
return ResultStatus::Error;
}
return ResultStatus::Success;
}
}
return ResultStatus::ErrorNotUsed;
}
ResultStatus AppLoader_NCCH::LoadExeFS() {
if (is_exefs_loaded)
return ResultStatus::Success;
if (!file.IsOpen())
return ResultStatus::Error;
// Reset read pointer in case this file has been read before.
file.Seek(0, SEEK_SET);
if (file.ReadBytes(&ncch_header, sizeof(NCCH_Header)) != sizeof(NCCH_Header))
return ResultStatus::Error;
// Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
if (MakeMagic('N', 'C', 'S', 'D') == ncch_header.magic) {
LOG_DEBUG(Loader, "Only loading the first (bootable) NCCH within the NCSD file!");
ncch_offset = 0x4000;
file.Seek(ncch_offset, SEEK_SET);
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
}
// Verify we are loading the correct file type...
if (MakeMagic('N', 'C', 'C', 'H') != ncch_header.magic)
return ResultStatus::ErrorInvalidFormat;
// Read ExHeader...
if (file.ReadBytes(&exheader_header, sizeof(ExHeader_Header)) != sizeof(ExHeader_Header))
return ResultStatus::Error;
is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
entry_point = exheader_header.codeset_info.text.address;
code_size = exheader_header.codeset_info.text.code_size;
stack_size = exheader_header.codeset_info.stack_size;
bss_size = exheader_header.codeset_info.bss_size;
core_version = exheader_header.arm11_system_local_caps.core_version;
priority = exheader_header.arm11_system_local_caps.priority;
resource_limit_category = exheader_header.arm11_system_local_caps.resource_limit_category;
LOG_DEBUG(Loader, "Name: %s", exheader_header.codeset_info.name);
LOG_DEBUG(Loader, "Program ID: %016" PRIX64, ncch_header.program_id);
LOG_DEBUG(Loader, "Code compressed: %s", is_compressed ? "yes" : "no");
LOG_DEBUG(Loader, "Entry point: 0x%08X", entry_point);
LOG_DEBUG(Loader, "Code size: 0x%08X", code_size);
LOG_DEBUG(Loader, "Stack size: 0x%08X", stack_size);
LOG_DEBUG(Loader, "Bss size: 0x%08X", bss_size);
LOG_DEBUG(Loader, "Core version: %d", core_version);
LOG_DEBUG(Loader, "Thread priority: 0x%X", priority);
LOG_DEBUG(Loader, "Resource limit category: %d", resource_limit_category);
LOG_DEBUG(Loader, "System Mode: %d",
static_cast<int>(exheader_header.arm11_system_local_caps.system_mode));
if (exheader_header.arm11_system_local_caps.program_id != ncch_header.program_id) {
LOG_ERROR(Loader, "ExHeader Program ID mismatch: the ROM is probably encrypted.");
return ResultStatus::ErrorEncrypted;
}
// Read ExeFS...
exefs_offset = ncch_header.exefs_offset * kBlockSize;
u32 exefs_size = ncch_header.exefs_size * kBlockSize;
LOG_DEBUG(Loader, "ExeFS offset: 0x%08X", exefs_offset);
LOG_DEBUG(Loader, "ExeFS size: 0x%08X", exefs_size);
file.Seek(exefs_offset + ncch_offset, SEEK_SET);
if (file.ReadBytes(&exefs_header, sizeof(ExeFs_Header)) != sizeof(ExeFs_Header))
return ResultStatus::Error;
is_exefs_loaded = true;
return ResultStatus::Success;
}
void AppLoader_NCCH::ParseRegionLockoutInfo() {
std::vector<u8> smdh_buffer;
if (ReadIcon(smdh_buffer) == ResultStatus::Success && smdh_buffer.size() >= sizeof(SMDH)) {
@ -339,23 +152,32 @@ void AppLoader_NCCH::ParseRegionLockoutInfo() {
}
ResultStatus AppLoader_NCCH::Load() {
u64_le ncch_program_id;
if (is_loaded)
return ResultStatus::ErrorAlreadyLoaded;
ResultStatus result = LoadExeFS();
ResultStatus result = base_ncch.Load();
if (result != ResultStatus::Success)
return result;
std::string program_id{Common::StringFromFormat("%016" PRIX64, ncch_header.program_id)};
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_header.program_id;
game_info.id = ncch_program_id;
room_member->SendGameInfo(game_info);
}
@ -374,61 +196,40 @@ ResultStatus AppLoader_NCCH::Load() {
}
ResultStatus AppLoader_NCCH::ReadCode(std::vector<u8>& buffer) {
return LoadSectionExeFS(".code", buffer);
return overlay_ncch->LoadSectionExeFS(".code", buffer);
}
ResultStatus AppLoader_NCCH::ReadIcon(std::vector<u8>& buffer) {
return LoadSectionExeFS("icon", buffer);
return overlay_ncch->LoadSectionExeFS("icon", buffer);
}
ResultStatus AppLoader_NCCH::ReadBanner(std::vector<u8>& buffer) {
return LoadSectionExeFS("banner", buffer);
return overlay_ncch->LoadSectionExeFS("banner", buffer);
}
ResultStatus AppLoader_NCCH::ReadLogo(std::vector<u8>& buffer) {
return LoadSectionExeFS("logo", buffer);
return overlay_ncch->LoadSectionExeFS("logo", buffer);
}
ResultStatus AppLoader_NCCH::ReadProgramId(u64& out_program_id) {
if (!file.IsOpen())
return ResultStatus::Error;
ResultStatus result = LoadExeFS();
ResultStatus result = base_ncch.ReadProgramId(out_program_id);
if (result != ResultStatus::Success)
return result;
out_program_id = ncch_header.program_id;
return ResultStatus::Success;
}
ResultStatus AppLoader_NCCH::ReadRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file, u64& offset,
u64& size) {
if (!file.IsOpen())
return ResultStatus::Error;
return base_ncch.ReadRomFS(romfs_file, offset, size);
}
// 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;
ResultStatus AppLoader_NCCH::ReadUpdateRomFS(std::shared_ptr<FileUtil::IOFile>& romfs_file,
u64& offset, u64& size) {
ResultStatus result = update_ncch.ReadRomFS(romfs_file, offset, size);
LOG_DEBUG(Loader, "RomFS offset: 0x%08X", romfs_offset);
LOG_DEBUG(Loader, "RomFS size: 0x%08X", romfs_size);
if (file.GetSize() < romfs_offset + romfs_size)
return ResultStatus::Error;
// 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, "NCCH has no RomFS");
return ResultStatus::ErrorNotUsed;
if (result != ResultStatus::Success)
return base_ncch.ReadRomFS(romfs_file, offset, size);
}
ResultStatus AppLoader_NCCH::ReadTitle(std::string& title) {

184
src/core/loader/ncch.h
View File

@ -5,154 +5,11 @@
#pragma once
#include <memory>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/file_sys/ncch_container.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
/// NCCH header (Note: "NCCH" appears to be a publicly unknown acronym)
struct NCCH_Header {
u8 signature[0x100];
u32_le magic;
u32_le content_size;
u8 partition_id[8];
u16_le maker_code;
u16_le version;
u8 reserved_0[4];
u64_le program_id;
u8 reserved_1[0x10];
u8 logo_region_hash[0x20];
u8 product_code[0x10];
u8 extended_header_hash[0x20];
u32_le extended_header_size;
u8 reserved_2[4];
u8 flags[8];
u32_le plain_region_offset;
u32_le plain_region_size;
u32_le logo_region_offset;
u32_le logo_region_size;
u32_le exefs_offset;
u32_le exefs_size;
u32_le exefs_hash_region_size;
u8 reserved_3[4];
u32_le romfs_offset;
u32_le romfs_size;
u32_le romfs_hash_region_size;
u8 reserved_4[4];
u8 exefs_super_block_hash[0x20];
u8 romfs_super_block_hash[0x20];
};
static_assert(sizeof(NCCH_Header) == 0x200, "NCCH header structure size is wrong");
////////////////////////////////////////////////////////////////////////////////////////////////////
// ExeFS (executable file system) headers
struct ExeFs_SectionHeader {
char name[8];
u32 offset;
u32 size;
};
struct ExeFs_Header {
ExeFs_SectionHeader section[8];
u8 reserved[0x80];
u8 hashes[8][0x20];
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// 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;
u32 stack_size;
ExHeader_CodeSegmentInfo ro;
u8 reserved[4];
ExHeader_CodeSegmentInfo data;
u32 bss_size;
};
struct ExHeader_DependencyList {
u8 program_id[0x30][8];
};
struct ExHeader_SystemInfo {
u64 save_data_size;
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 {
u64_le program_id;
u32_le core_version;
u8 reserved_flags[2];
union {
u8 flags0;
BitField<0, 2, u8> ideal_processor;
BitField<2, 2, u8> affinity_mask;
BitField<4, 4, u8> system_mode;
};
u8 priority;
u8 resource_limit_descriptor[0x10][2];
ExHeader_StorageInfo storage_info;
u8 service_access_control[0x20][8];
u8 ex_service_access_control[0x2][8];
u8 reserved[0xf];
u8 resource_limit_category;
};
struct ExHeader_ARM11_KernelCaps {
u32_le descriptors[28];
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;
};
static_assert(sizeof(ExHeader_Header) == 0x800, "ExHeader structure size is wrong");
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
@ -162,7 +19,8 @@ namespace Loader {
class AppLoader_NCCH final : public AppLoader {
public:
AppLoader_NCCH(FileUtil::IOFile&& file, const std::string& filepath)
: AppLoader(std::move(file)), filepath(filepath) {}
: AppLoader(std::move(file)), filepath(filepath), base_ncch(filepath),
overlay_ncch(&base_ncch) {}
/**
* Returns the type of the file
@ -196,48 +54,24 @@ public:
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:
/**
* 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
* @return ResultStatus result of function
*/
ResultStatus LoadSectionExeFS(const char* name, std::vector<u8>& buffer);
/**
* Loads .code section into memory for booting
* @return ResultStatus result of function
*/
ResultStatus LoadExec();
/**
* Ensure ExeFS is loaded and ready for reading sections
* @return ResultStatus result of function
*/
ResultStatus LoadExeFS();
/// Reads the region lockout info in the SMDH and send it to CFG service
void ParseRegionLockoutInfo();
bool is_exefs_loaded = false;
bool is_compressed = false;
u32 entry_point = 0;
u32 code_size = 0;
u32 stack_size = 0;
u32 bss_size = 0;
u32 core_version = 0;
u8 priority = 0;
u8 resource_limit_category = 0;
u32 ncch_offset = 0; // Offset to NCCH header, can be 0 or after NCSD header
u32 exefs_offset = 0;
NCCH_Header ncch_header;
ExeFs_Header exefs_header;
ExHeader_Header exheader_header;
FileSys::NCCHContainer base_ncch;
FileSys::NCCHContainer update_ncch;
FileSys::NCCHContainer* overlay_ncch;
std::string filepath;
};

15
src/core/memory.cpp
View File

@ -9,6 +9,8 @@
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/swap.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/hle/kernel/memory.h"
#include "core/hle/kernel/process.h"
#include "core/hle/lock.h"
@ -22,10 +24,17 @@ namespace Memory {
static std::array<u8, Memory::VRAM_SIZE> vram;
static std::array<u8, Memory::N3DS_EXTRA_RAM_SIZE> n3ds_extra_ram;
PageTable* current_page_table = nullptr;
static PageTable* current_page_table = nullptr;
std::array<u8*, PAGE_TABLE_NUM_ENTRIES>* GetCurrentPageTablePointers() {
return &current_page_table->pointers;
void SetCurrentPageTable(PageTable* page_table) {
current_page_table = page_table;
if (Core::System::GetInstance().IsPoweredOn()) {
Core::CPU().PageTableChanged();
}
}
PageTable* GetCurrentPageTable() {
return current_page_table;
}
static void MapPages(PageTable& page_table, u32 base, u32 size, u8* memory, PageType type) {

9
src/core/memory.h
View File

@ -182,7 +182,8 @@ enum : VAddr {
};
/// Currently active page table
extern PageTable* current_page_table;
void SetCurrentPageTable(PageTable* page_table);
PageTable* GetCurrentPageTable();
bool IsValidVirtualAddress(const VAddr addr);
bool IsValidPhysicalAddress(const PAddr addr);
@ -259,10 +260,4 @@ enum class FlushMode {
*/
void RasterizerFlushVirtualRegion(VAddr start, u32 size, FlushMode mode);
/**
* Dynarmic has an optimization to memory accesses when the pointer to the page exists that
* can be used by setting up the current page table as a callback. This function is used to
* retrieve the current page table for that purpose.
*/
std::array<u8*, PAGE_TABLE_NUM_ENTRIES>* GetCurrentPageTablePointers();
} // namespace Memory

2
src/tests/core/arm/arm_test_common.cpp
View File

@ -21,7 +21,7 @@ TestEnvironment::TestEnvironment(bool mutable_memory_)
Memory::MapIoRegion(page_table, 0x00000000, 0x80000000, test_memory);
Memory::MapIoRegion(page_table, 0x80000000, 0x80000000, test_memory);
Memory::current_page_table = &page_table;
Memory::SetCurrentPageTable(&page_table);
}
TestEnvironment::~TestEnvironment() {

29
src/video_core/command_processor.cpp
View File

@ -243,6 +243,15 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
ASSERT(!g_state.geometry_pipeline.NeedIndexInput());
g_state.geometry_pipeline.Setup(shader_engine);
g_state.geometry_pipeline.SubmitVertex(output);
// TODO: If drawing after every immediate mode triangle kills performance,
// change it to flush triangles whenever a drawing config register changes
// See: https://github.com/citra-emu/citra/pull/2866#issuecomment-327011550
VideoCore::g_renderer->Rasterizer()->DrawTriangles();
if (g_debug_context) {
g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch,
nullptr);
}
}
}
}
@ -250,16 +259,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
}
case PICA_REG_INDEX(pipeline.gpu_mode):
if (regs.pipeline.gpu_mode == PipelineRegs::GPUMode::Configuring) {
MICROPROFILE_SCOPE(GPU_Drawing);
// Draw immediate mode triangles when GPU Mode is set to GPUMode::Configuring
VideoCore::g_renderer->Rasterizer()->DrawTriangles();
if (g_debug_context) {
g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch, nullptr);
}
}
// This register likely just enables vertex processing and doesn't need any special handling
break;
case PICA_REG_INDEX_WORKAROUND(pipeline.command_buffer.trigger[0], 0x23c):
@ -398,6 +398,11 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
range.second, range.first);
}
VideoCore::g_renderer->Rasterizer()->DrawTriangles();
if (g_debug_context) {
g_debug_context->OnEvent(DebugContext::Event::FinishedPrimitiveBatch, nullptr);
}
break;
}
@ -632,6 +637,6 @@ void ProcessCommandList(const u32* list, u32 size) {
}
}
} // namespace
} // namespace CommandProcessor
} // namespace
} // namespace Pica

16
src/video_core/pica_types.h
View File

@ -58,11 +58,12 @@ public:
}
Float<M, E> operator*(const Float<M, E>& flt) const {
if ((this->value == 0.f && !std::isnan(flt.value)) ||
(flt.value == 0.f && !std::isnan(this->value)))
float result = value * flt.ToFloat32();
// PICA gives 0 instead of NaN when multiplying by inf
return Zero();
return Float<M, E>::FromFloat32(ToFloat32() * flt.ToFloat32());
if (!std::isnan(value) && !std::isnan(flt.ToFloat32()))
if (std::isnan(result))
result = 0.f;
return Float<M, E>::FromFloat32(result);
}
Float<M, E> operator/(const Float<M, E>& flt) const {
@ -78,12 +79,7 @@ public:
}
Float<M, E>& operator*=(const Float<M, E>& flt) {
if ((this->value == 0.f && !std::isnan(flt.value)) ||
(flt.value == 0.f && !std::isnan(this->value)))
// PICA gives 0 instead of NaN when multiplying by inf
*this = Zero();
else
value *= flt.ToFloat32();
value = operator*(flt).value;
return *this;
}

14
src/video_core/utils.h
View File

@ -8,17 +8,11 @@
namespace VideoCore {
/**
* Interleave the lower 3 bits of each coordinate to get the intra-block offsets, which are
* arranged in a Z-order curve. More details on the bit manipulation at:
* https://fgiesen.wordpress.com/2009/12/13/decoding-morton-codes/
*/
// 8x8 Z-Order coordinate from 2D coordinates
static inline u32 MortonInterleave(u32 x, u32 y) {
u32 i = (x & 7) | ((y & 7) << 8); // ---- -210
i = (i ^ (i << 2)) & 0x1313; // ---2 --10
i = (i ^ (i << 1)) & 0x1515; // ---2 -1-0
i = (i | (i >> 7)) & 0x3F;
return i;
static const u32 xlut[] = {0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15};
static const u32 ylut[] = {0x00, 0x02, 0x08, 0x0a, 0x20, 0x22, 0x28, 0x2a};
return xlut[x % 8] + ylut[y % 8];
}
/**