OpenPunk/citra
1
0
Fork 0
mirror of https://github.com/citra-emu/citra.git synced 2024-11-22 07:00:06 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #731 from yuriks/app-info

Browse Source 
Kernel: Process class and ExHeader caps parsing
This commit is contained in:
bunnei 2015-05-08 21:20:37 -04:00
commit 917ac23dfc
19 changed files with 336 additions and 104 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/common/common_funcs.h
View File

@ -15,6 +15,8 @@
#define b32(x) (b16(x) | (b16(x) >>16) )
#define ROUND_UP_POW2(x) (b32(x - 1) + 1)
#define BIT(x) (1U << (x))
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
/// Textually concatenates two tokens. The double-expansion is required by the C preprocessor.

8
src/common/string_util.cpp
View File

@ -477,4 +477,12 @@ std::string SHIFTJISToUTF8(const std::string& input)
#endif
std::string StringFromFixedZeroTerminatedBuffer(const char * buffer, size_t max_len) {
size_t len = 0;
while (len < max_len && buffer[len] != '\0')
++len;
return std::string(buffer, len);
}
}

6
src/common/string_util.h
View File

@ -128,4 +128,10 @@ bool ComparePartialString(InIt begin, InIt end, const char* other) {
return (begin == end) == (*other == '\0');
}
/**
* Creates a std::string from a fixed-size NUL-terminated char buffer. If the buffer isn't
* NUL-terminated then the string ends at max_len characters.
*/
std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, size_t max_len);
}

46
src/core/CMakeLists.txt
View File

@ -12,6 +12,8 @@ set(SRCS
arm/skyeye_common/vfp/vfpdouble.cpp
arm/skyeye_common/vfp/vfpinstr.cpp
arm/skyeye_common/vfp/vfpsingle.cpp
core.cpp
core_timing.cpp
file_sys/archive_backend.cpp
file_sys/archive_extsavedata.cpp
file_sys/archive_romfs.cpp
@ -21,15 +23,18 @@ set(SRCS
file_sys/archive_systemsavedata.cpp
file_sys/disk_archive.cpp
file_sys/ivfc_archive.cpp
hle/config_mem.cpp
hle/hle.cpp
hle/kernel/address_arbiter.cpp
hle/kernel/event.cpp
hle/kernel/kernel.cpp
hle/kernel/mutex.cpp
hle/kernel/process.cpp
hle/kernel/semaphore.cpp
hle/kernel/session.cpp
hle/kernel/shared_memory.cpp
hle/kernel/timer.cpp
hle/kernel/thread.cpp
hle/kernel/timer.cpp
hle/service/ac_u.cpp
hle/service/act_u.cpp
hle/service/am_app.cpp
@ -56,10 +61,10 @@ set(SRCS
hle/service/fs/archive.cpp
hle/service/fs/fs_user.cpp
hle/service/gsp_gpu.cpp
hle/service/hid/hid.cpp
hle/service/hid/hid_user.cpp
hle/service/hid/hid_spvr.cpp
hle/service/gsp_lcd.cpp
hle/service/hid/hid.cpp
hle/service/hid/hid_spvr.cpp
hle/service/hid/hid_user.cpp
hle/service/http_c.cpp
hle/service/ir/ir.cpp
hle/service/ir/ir_rst.cpp
@ -77,26 +82,22 @@ set(SRCS
hle/service/pm_app.cpp
hle/service/ptm/ptm.cpp
hle/service/ptm/ptm_play.cpp
hle/service/ptm/ptm_u.cpp
hle/service/ptm/ptm_sysm.cpp
hle/service/ptm/ptm_u.cpp
hle/service/service.cpp
hle/service/soc_u.cpp
hle/service/srv.cpp
hle/service/ssl_c.cpp
hle/service/y2r_u.cpp
hle/config_mem.cpp
hle/hle.cpp
hle/shared_page.cpp
hle/svc.cpp
hw/gpu.cpp
hw/hw.cpp
hw/lcd.cpp
loader/3dsx.cpp
loader/elf.cpp
loader/loader.cpp
loader/ncch.cpp
loader/3dsx.cpp
core.cpp
core_timing.cpp
mem_map.cpp
mem_map_funcs.cpp
settings.cpp
@ -104,6 +105,7 @@ set(SRCS
)
set(HEADERS
arm/arm_interface.h
arm/disassembler/arm_disasm.h
arm/disassembler/load_symbol_map.h
arm/dyncom/arm_dyncom.h
@ -118,7 +120,8 @@ set(HEADERS
arm/skyeye_common/vfp/asm_vfp.h
arm/skyeye_common/vfp/vfp.h
arm/skyeye_common/vfp/vfp_helper.h
arm/arm_interface.h
core.h
core_timing.h
file_sys/archive_backend.h
file_sys/archive_extsavedata.h
file_sys/archive_romfs.h
@ -126,19 +129,24 @@ set(HEADERS
file_sys/archive_savedatacheck.h
file_sys/archive_sdmc.h
file_sys/archive_systemsavedata.h
file_sys/directory_backend.h
file_sys/disk_archive.h
file_sys/file_backend.h
file_sys/ivfc_archive.h
file_sys/directory_backend.h
hle/config_mem.h
hle/function_wrappers.h
hle/hle.h
hle/kernel/address_arbiter.h
hle/kernel/event.h
hle/kernel/kernel.h
hle/kernel/mutex.h
hle/kernel/process.h
hle/kernel/semaphore.h
hle/kernel/session.h
hle/kernel/shared_memory.h
hle/kernel/timer.h
hle/kernel/thread.h
hle/kernel/timer.h
hle/result.h
hle/service/ac_u.h
hle/service/act_u.h
hle/service/am_app.h
@ -165,10 +173,10 @@ set(HEADERS
hle/service/fs/archive.h
hle/service/fs/fs_user.h
hle/service/gsp_gpu.h
hle/service/gsp_lcd.h
hle/service/hid/hid.h
hle/service/hid/hid_spvr.h
hle/service/hid/hid_user.h
hle/service/gsp_lcd.h
hle/service/http_c.h
hle/service/ir/ir.h
hle/service/ir/ir_rst.h
@ -186,28 +194,22 @@ set(HEADERS
hle/service/pm_app.h
hle/service/ptm/ptm.h
hle/service/ptm/ptm_play.h
hle/service/ptm/ptm_u.h
hle/service/ptm/ptm_sysm.h
hle/service/ptm/ptm_u.h
hle/service/service.h
hle/service/soc_u.h
hle/service/srv.h
hle/service/ssl_c.h
hle/service/y2r_u.h
hle/config_mem.h
hle/result.h
hle/function_wrappers.h
hle/hle.h
hle/shared_page.h
hle/svc.h
hw/gpu.h
hw/hw.h
hw/lcd.h
loader/3dsx.h
loader/elf.h
loader/loader.h
loader/ncch.h
loader/3dsx.h
core.h
core_timing.h
mem_map.h
settings.h
system.h

5
src/core/file_sys/archive_savedata.cpp
View File

@ -11,6 +11,7 @@
#include "core/file_sys/archive_savedata.h"
#include "core/file_sys/disk_archive.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/fs/archive.h"
#include "core/settings.h"
@ -36,7 +37,7 @@ ArchiveFactory_SaveData::ArchiveFactory_SaveData(const std::string& sdmc_directo
}
ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const Path& path) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_current_process->program_id);
if (!FileUtil::Exists(concrete_mount_point)) {
// When a SaveData archive is created for the first time, it is not yet formatted
// and the save file/directory structure expected by the game has not yet been initialized.
@ -51,7 +52,7 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_SaveData::Open(const P
}
ResultCode ArchiveFactory_SaveData::Format(const Path& path) {
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_program_id);
std::string concrete_mount_point = GetSaveDataPath(mount_point, Kernel::g_current_process->program_id);
FileUtil::DeleteDirRecursively(concrete_mount_point);
FileUtil::CreateFullPath(concrete_mount_point);
return RESULT_SUCCESS;

18
src/core/hle/kernel/kernel.cpp
View File

@ -10,15 +10,14 @@
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/timer.h"
namespace Kernel {
unsigned int Object::next_object_id;
SharedPtr<Thread> g_main_thread;
HandleTable g_handle_table;
u64 g_program_id;
void WaitObject::AddWaitingThread(SharedPtr<Thread> thread) {
auto itr = std::find(waiting_threads.begin(), waiting_threads.end(), thread);
@ -140,8 +139,6 @@ void Init() {
Kernel::TimersInit();
Object::next_object_id = 0;
g_program_id = 0;
g_main_thread = nullptr;
}
/// Shutdown the kernel
@ -149,18 +146,7 @@ void Shutdown() {
Kernel::ThreadingShutdown();
Kernel::TimersShutdown();
g_handle_table.Clear(); // Free all kernel objects
}
/**
* Loads executable stored at specified address
* @entry_point Entry point in memory of loaded executable
* @return True on success, otherwise false
*/
bool LoadExec(u32 entry_point) {
// 0x30 is the typical main thread priority I've seen used so far
g_main_thread = Kernel::SetupMainThread(Kernel::DEFAULT_STACK_SIZE, entry_point, THREADPRIO_DEFAULT);
return true;
g_current_process = nullptr;
}
} // namespace

16
src/core/hle/kernel/kernel.h
View File

@ -7,6 +7,7 @@
#include <boost/intrusive_ptr.hpp>
#include <array>
#include <memory>
#include <string>
#include <vector>
@ -15,6 +16,8 @@
#include "core/hle/hle.h"
#include "core/hle/result.h"
struct ApplicationInfo;
namespace Kernel {
class Thread;
@ -270,23 +273,10 @@ private:
extern HandleTable g_handle_table;
/// The ID code of the currently running game
/// TODO(Subv): This variable should not be here,
/// we need a way to store information about the currently loaded application
/// for later query during runtime, maybe using the LDR service?
extern u64 g_program_id;
/// Initialize the kernel
void Init();
/// Shutdown the kernel
void Shutdown();
/**
* Loads executable stored at specified address
* @entry_point Entry point in memory of loaded executable
* @return True on success, otherwise false
*/
bool LoadExec(u32 entry_point);
} // namespace

96
src/core/hle/kernel/process.cpp Normal file
View File

@ -0,0 +1,96 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/thread.h"
#include "core/mem_map.h"
namespace Kernel {
SharedPtr<Process> Process::Create(std::string name, u64 program_id) {
SharedPtr<Process> process(new Process);
process->name = std::move(name);
process->program_id = program_id;
process->flags.raw = 0;
process->flags.memory_region = MemoryRegion::APPLICATION;
return process;
}
void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
for (int i = 0; i < len; ++i) {
u32 descriptor = kernel_caps[i];
u32 type = descriptor >> 20;
if (descriptor == 0xFFFFFFFF) {
// Unused descriptor entry
continue;
} else if ((type & 0xF00) == 0xE00) { // 0x0FFF
// Allowed interrupts list
LOG_WARNING(Loader, "ExHeader allowed interrupts list ignored");
} else if ((type & 0xF80) == 0xF00) { // 0x07FF
// Allowed syscalls mask
unsigned int index = ((descriptor >> 24) & 7) * 24;
u32 bits = descriptor & 0xFFFFFF;
while (bits && index < svc_access_mask.size()) {
svc_access_mask.set(index, bits & 1);
++index; bits >>= 1;
}
} else if ((type & 0xFF0) == 0xFE0) { // 0x00FF
// Handle table size
handle_table_size = descriptor & 0x3FF;
} else if ((type & 0xFF8) == 0xFF0) { // 0x007F
// Misc. flags
flags.raw = descriptor & 0xFFFF;
} else if ((type & 0xFFE) == 0xFF8) { // 0x001F
// Mapped memory range
if (i+1 >= len || ((kernel_caps[i+1] >> 20) & 0xFFE) != 0xFF8) {
LOG_WARNING(Loader, "Incomplete exheader memory range descriptor ignored.");
continue;
}
u32 end_desc = kernel_caps[i+1];
++i; // Skip over the second descriptor on the next iteration
AddressMapping mapping;
mapping.address = descriptor << 12;
mapping.size = (end_desc << 12) - mapping.address;
mapping.writable = descriptor & BIT(20);
mapping.unk_flag = end_desc & BIT(20);
address_mappings.push_back(mapping);
} else if ((type & 0xFFF) == 0xFFE) { // 0x000F
// Mapped memory page
AddressMapping mapping;
mapping.address = descriptor << 12;
mapping.size = Memory::PAGE_SIZE;
mapping.writable = true; // TODO: Not sure if correct
mapping.unk_flag = false;
} else if ((type & 0xFE0) == 0xFC0) { // 0x01FF
// Kernel version
int minor = descriptor & 0xFF;
int major = (descriptor >> 8) & 0xFF;
LOG_INFO(Loader, "ExHeader kernel version ignored: %d.%d", major, minor);
} else {
LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x%08X", descriptor);
}
}
}
void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
Kernel::SetupMainThread(stack_size, entry_point, main_thread_priority);
}
Kernel::Process::Process() {}
Kernel::Process::~Process() {}
SharedPtr<Process> g_current_process;
}

90
src/core/hle/kernel/process.h Normal file
View File

@ -0,0 +1,90 @@
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <bitset>
#include <boost/container/static_vector.hpp>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
namespace Kernel {
struct AddressMapping {
// Address and size must be page-aligned
VAddr address;
u32 size;
bool writable;
bool unk_flag;
};
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
BASE = 3,
};
union ProcessFlags {
u16 raw;
BitField< 0, 1, u16> allow_debug; ///< Allows other processes to attach to and debug this process.
BitField< 1, 1, u16> force_debug; ///< Allows this process to attach to processes even if they don't have allow_debug set.
BitField< 2, 1, u16> allow_nonalphanum;
BitField< 3, 1, u16> shared_page_writable; ///< Shared page is mapped with write permissions.
BitField< 4, 1, u16> privileged_priority; ///< Can use priority levels higher than 24.
BitField< 5, 1, u16> allow_main_args;
BitField< 6, 1, u16> shared_device_mem;
BitField< 7, 1, u16> runnable_on_sleep;
BitField< 8, 4, MemoryRegion> memory_region; ///< Default region for memory allocations for this process
BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
};
class Process final : public Object {
public:
static SharedPtr<Process> Create(std::string name, u64 program_id);
std::string GetTypeName() const override { return "Process"; }
std::string GetName() const override { return name; }
static const HandleType HANDLE_TYPE = HandleType::Process;
HandleType GetHandleType() const override { return HANDLE_TYPE; }
/// Name of the process
std::string name;
/// Title ID corresponding to the process
u64 program_id;
/// The process may only call SVCs which have the corresponding bit set.
std::bitset<0x80> svc_access_mask;
/// Maximum size of the handle table for the process.
unsigned int handle_table_size = 0x200;
/// Special memory ranges mapped into this processes address space. This is used to give
/// processes access to specific I/O regions and device memory.
boost::container::static_vector<AddressMapping, 8> address_mappings;
ProcessFlags flags;
/**
* Parses a list of kernel capability descriptors (as found in the ExHeader) and applies them
* to this process.
*/
void ParseKernelCaps(const u32* kernel_caps, size_t len);
/**
* Applies address space changes and launches the process main thread.
*/
void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);
private:
Process();
~Process() override;
};
extern SharedPtr<Process> g_current_process;
}

2
src/core/hle/kernel/thread.h
View File

@ -171,8 +171,6 @@ private:
Handle callback_handle;
};
extern SharedPtr<Thread> g_main_thread;
/**
* Sets up the primary application thread
* @param stack_size The size of the thread's stack

12
src/core/loader/3dsx.cpp
View File

@ -8,9 +8,10 @@
#include "common/logging/log.h"
#include "core/file_sys/archive_romfs.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
#include "core/hle/service/fs/archive.h"
#include "core/mem_map.h"
#include "3dsx.h"
@ -229,8 +230,13 @@ ResultStatus AppLoader_THREEDSX::Load() {
if (!file->IsOpen())
return ResultStatus::Error;
Load3DSXFile(*file, 0x00100000);
Kernel::LoadExec(0x00100000);
Kernel::g_current_process = Kernel::Process::Create(filename, 0);
Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->address_mappings = default_address_mappings;
Load3DSXFile(*file, Memory::EXEFS_CODE_VADDR);
Kernel::g_current_process->Run(Memory::EXEFS_CODE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
is_loaded = true;
return ResultStatus::Success;

8
src/core/loader/3dsx.h
View File

@ -4,6 +4,8 @@
#pragma once
#include <string>
#include "common/common_types.h"
#include "core/loader/loader.h"
@ -15,7 +17,8 @@ namespace Loader {
/// Loads an 3DSX file
class AppLoader_THREEDSX final : public AppLoader {
public:
AppLoader_THREEDSX(std::unique_ptr<FileUtil::IOFile>&& file) : AppLoader(std::move(file)) { }
AppLoader_THREEDSX(std::unique_ptr<FileUtil::IOFile>&& file, std::string filename)
: AppLoader(std::move(file)), filename(std::move(filename)) {}
/**
* Returns the type of the file
@ -29,6 +32,9 @@ public:
* @return ResultStatus result of function
*/
ResultStatus Load() override;
private:
std::string filename;
};
} // namespace Loader

14
src/core/loader/elf.cpp
View File

@ -10,9 +10,9 @@
#include "common/logging/log.h"
#include "common/symbols.h"
#include "core/mem_map.h"
#include "core/loader/elf.h"
#include "core/hle/kernel/kernel.h"
#include "core/loader/elf.h"
#include "core/mem_map.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// ELF Header Constants
@ -350,9 +350,15 @@ ResultStatus AppLoader_ELF::Load() {
if (file->ReadBytes(&buffer[0], size) != size)
return ResultStatus::Error;
Kernel::g_current_process = Kernel::Process::Create(filename, 0);
Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->address_mappings = default_address_mappings;
ElfReader elf_reader(&buffer[0]);
elf_reader.LoadInto(0x00100000);
Kernel::LoadExec(elf_reader.GetEntryPoint());
elf_reader.LoadInto(Memory::EXEFS_CODE_VADDR);
// TODO: Fill application title
Kernel::g_current_process->Run(elf_reader.GetEntryPoint(), 48, Kernel::DEFAULT_STACK_SIZE);
is_loaded = true;
return ResultStatus::Success;

8
src/core/loader/elf.h
View File

@ -4,6 +4,8 @@
#pragma once
#include <string>
#include "common/common_types.h"
#include "core/loader/loader.h"
@ -15,7 +17,8 @@ namespace Loader {
/// Loads an ELF/AXF file
class AppLoader_ELF final : public AppLoader {
public:
AppLoader_ELF(std::unique_ptr<FileUtil::IOFile>&& file) : AppLoader(std::move(file)) { }
AppLoader_ELF(std::unique_ptr<FileUtil::IOFile>&& file, std::string filename)
: AppLoader(std::move(file)), filename(std::move(filename)) { }
/**
* Returns the type of the file
@ -29,6 +32,9 @@ public:
* @return ResultStatus result of function
*/
ResultStatus Load() override;
private:
std::string filename;
};
} // namespace Loader

39
src/core/loader/loader.cpp
View File

@ -8,16 +8,23 @@
#include "common/make_unique.h"
#include "core/file_sys/archive_romfs.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/fs/archive.h"
#include "core/loader/3dsx.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.h"
#include "core/hle/service/fs/archive.h"
#include "core/mem_map.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace Loader {
const std::initializer_list<Kernel::AddressMapping> default_address_mappings = {
{ 0x1FF50000, 0x8000, true }, // part of DSP RAM
{ 0x1FF70000, 0x8000, true }, // part of DSP RAM
{ 0x1F000000, 0x600000, false }, // entire VRAM
};
/**
* Identifies the type of a bootable file
* @param file open file
@ -42,19 +49,11 @@ static FileType IdentifyFile(FileUtil::IOFile& file) {
/**
* Guess the type of a bootable file from its extension
* @param filename String filename of bootable file
* @param extension String extension of bootable file
* @return FileType of file
*/
static FileType GuessFromFilename(const std::string& filename) {
if (filename.size() == 0) {
LOG_ERROR(Loader, "invalid filename %s", filename.c_str());
return FileType::Error;
}
size_t extension_loc = filename.find_last_of('.');
if (extension_loc == std::string::npos)
return FileType::Unknown;
std::string extension = Common::ToLower(filename.substr(extension_loc));
static FileType GuessFromExtension(const std::string& extension_) {
std::string extension = Common::ToLower(extension_);
if (extension == ".elf")
return FileType::ELF;
@ -100,8 +99,11 @@ ResultStatus LoadFile(const std::string& filename) {
return ResultStatus::Error;
}
std::string filename_filename, filename_extension;
Common::SplitPath(filename, nullptr, &filename_filename, &filename_extension);
FileType type = IdentifyFile(*file);
FileType filename_type = GuessFromFilename(filename);
FileType filename_type = GuessFromExtension(filename_extension);
if (type != filename_type) {
LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
@ -115,11 +117,11 @@ ResultStatus LoadFile(const std::string& filename) {
//3DSX file format...
case FileType::THREEDSX:
return AppLoader_THREEDSX(std::move(file)).Load();
return AppLoader_THREEDSX(std::move(file), filename_filename).Load();
// Standard ELF file format...
case FileType::ELF:
return AppLoader_ELF(std::move(file)).Load();
return AppLoader_ELF(std::move(file), filename_filename).Load();
// NCCH/NCSD container formats...
case FileType::CXI:
@ -129,7 +131,6 @@ ResultStatus LoadFile(const std::string& filename) {
// Load application and RomFS
if (ResultStatus::Success == app_loader.Load()) {
Kernel::g_program_id = app_loader.GetProgramId();
Service::FS::RegisterArchiveType(Common::make_unique<FileSys::ArchiveFactory_RomFS>(app_loader), Service::FS::ArchiveIdCode::RomFS);
return ResultStatus::Success;
}
@ -139,11 +140,15 @@ ResultStatus LoadFile(const std::string& filename) {
// Raw BIN file format...
case FileType::BIN:
{
Kernel::g_current_process = Kernel::Process::Create(filename_filename, 0);
Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->address_mappings = default_address_mappings;
size_t size = (size_t)file->GetSize();
if (file->ReadBytes(Memory::GetPointer(Memory::EXEFS_CODE_VADDR), size) != size)
return ResultStatus::Error;
Kernel::LoadExec(Memory::EXEFS_CODE_VADDR);
Kernel::g_current_process->Run(Memory::EXEFS_CODE_VADDR, 0x30, Kernel::DEFAULT_STACK_SIZE);
return ResultStatus::Success;
}

8
src/core/loader/loader.h
View File

@ -9,6 +9,8 @@
#include "common/common_types.h"
#include "common/file_util.h"
#include "core/hle/kernel/process.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Loader namespace
@ -104,6 +106,12 @@ protected:
bool is_loaded = false;
};
/**
* Common address mappings found in most games, used for binary formats that don't have this
* information.
*/
extern const std::initializer_list<Kernel::AddressMapping> default_address_mappings;
/**
* Identifies and loads a bootable file
* @param filename String filename of bootable file

24
src/core/loader/ncch.cpp
View File

@ -5,9 +5,12 @@
#include <memory>
#include "common/logging/log.h"
#include "common/make_unique.h"
#include "common/string_util.h"
#include "common/swap.h"
#include "core/loader/ncch.h"
#include "core/hle/kernel/kernel.h"
#include "core/loader/ncch.h"
#include "core/mem_map.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -117,8 +120,21 @@ ResultStatus AppLoader_NCCH::LoadExec() const {
std::vector<u8> code;
if (ResultStatus::Success == ReadCode(code)) {
std::string process_name = Common::StringFromFixedZeroTerminatedBuffer(
(const char*)exheader_header.codeset_info.name, 8);
u64 program_id = *reinterpret_cast<u64_le const*>(&ncch_header.program_id[0]);
Kernel::g_current_process = Kernel::Process::Create(process_name, program_id);
// Copy data while converting endianess
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(), begin(kernel_caps));
Kernel::g_current_process->ParseKernelCaps(kernel_caps.data(), kernel_caps.size());
Memory::WriteBlock(entry_point, &code[0], code.size());
Kernel::LoadExec(entry_point);
s32 priority = exheader_header.arm11_system_local_caps.priority;
u32 stack_size = exheader_header.codeset_info.stack_size;
Kernel::g_current_process->Run(entry_point, priority, stack_size);
return ResultStatus::Success;
}
return ResultStatus::Error;
@ -277,8 +293,4 @@ ResultStatus AppLoader_NCCH::ReadRomFS(std::vector<u8>& buffer) const {
return ResultStatus::ErrorNotUsed;
}
u64 AppLoader_NCCH::GetProgramId() const {
return *reinterpret_cast<u64 const*>(&ncch_header.program_id[0]);
}
} // namespace Loader

36
src/core/loader/ncch.h
View File

@ -6,7 +6,9 @@
#include <memory>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/swap.h"
#include "core/loader/loader.h"
@ -65,13 +67,13 @@ struct ExeFs_Header {
////////////////////////////////////////////////////////////////////////////////////////////////////
// ExHeader (executable file system header) headers
struct ExHeader_SystemInfoFlags{
struct ExHeader_SystemInfoFlags {
u8 reserved[5];
u8 flag;
u8 remaster_version[2];
};
struct ExHeader_CodeSegmentInfo{
struct ExHeader_CodeSegmentInfo {
u32 address;
u32 num_max_pages;
u32 code_size;
@ -88,17 +90,17 @@ struct ExHeader_CodeSetInfo {
u32 bss_size;
};
struct ExHeader_DependencyList{
struct ExHeader_DependencyList {
u8 program_id[0x30][8];
};
struct ExHeader_SystemInfo{
struct ExHeader_SystemInfo {
u64 save_data_size;
u8 jump_id[8];
u8 reserved_2[0x30];
};
struct ExHeader_StorageInfo{
struct ExHeader_StorageInfo {
u8 ext_save_data_id[8];
u8 system_save_data_id[8];
u8 reserved[8];
@ -106,10 +108,16 @@ struct ExHeader_StorageInfo{
u8 other_attributes;
};
struct ExHeader_ARM11_SystemLocalCaps{
struct ExHeader_ARM11_SystemLocalCaps {
u8 program_id[8];
u32 core_version;
u8 flags[3];
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;
@ -119,17 +127,17 @@ struct ExHeader_ARM11_SystemLocalCaps{
u8 resource_limit_category;
};
struct ExHeader_ARM11_KernelCaps{
u8 descriptors[28][4];
struct ExHeader_ARM11_KernelCaps {
u32_le descriptors[28];
u8 reserved[0x10];
};
struct ExHeader_ARM9_AccessControl{
struct ExHeader_ARM9_AccessControl {
u8 descriptors[15];
u8 descversion;
};
struct ExHeader_Header{
struct ExHeader_Header {
ExHeader_CodeSetInfo codeset_info;
ExHeader_DependencyList dependency_list;
ExHeader_SystemInfo system_info;
@ -205,12 +213,6 @@ public:
*/
ResultStatus ReadRomFS(std::vector<u8>& buffer) const override;
/*
* Gets the program id from the NCCH header
* @return u64 Program id
*/
u64 GetProgramId() const;
private:
/**

2
src/core/mem_map.h
View File

@ -10,6 +10,8 @@ namespace Memory {
////////////////////////////////////////////////////////////////////////////////////////////////////
const u32 PAGE_SIZE = 0x1000;
enum : u32 {
BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size
BOOTROM_PADDR = 0x00000000, ///< Bootrom physical address