mirror of
https://gitlab.com/suyu-emu/suyu.git
synced 2024-03-15 23:15:44 +00:00
bb7fcf79fe
- updated load launcher.dat function to use ARM11 format hack
271 lines
7.3 KiB
C++
271 lines
7.3 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "common/common_types.h"
|
|
#include "common/file_util.h"
|
|
|
|
#include "core/loader.h"
|
|
#include "core/system.h"
|
|
#include "core/core.h"
|
|
#include "core/file_sys/directory_file_system.h"
|
|
#include "core/elf/elf_reader.h"
|
|
|
|
#include "core/mem_map.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/// Loads an extracted CXI from a directory
|
|
bool LoadDirectory_CXI(std::string &filename) {
|
|
std::string full_path = filename;
|
|
std::string path, file, extension;
|
|
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
|
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
|
path = ReplaceAll(path, "/", "\\");
|
|
#endif
|
|
DirectoryFileSystem *fs = new DirectoryFileSystem(&System::g_ctr_file_system, path);
|
|
System::g_ctr_file_system.Mount("fs:", fs);
|
|
|
|
std::string final_name = "fs:/" + file + extension;
|
|
File::IOFile f(filename, "rb");
|
|
|
|
if (f.IsOpen()) {
|
|
// TODO(ShizZy): read here to memory....
|
|
}
|
|
ERROR_LOG(TIME, "Unimplemented function!");
|
|
return true;
|
|
}
|
|
|
|
/// Loads a CTR ELF file
|
|
bool Load_ELF(std::string &filename) {
|
|
std::string full_path = filename;
|
|
std::string path, file, extension;
|
|
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
|
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
|
path = ReplaceAll(path, "/", "\\");
|
|
#endif
|
|
File::IOFile f(filename, "rb");
|
|
|
|
if (f.IsOpen()) {
|
|
u64 size = f.GetSize();
|
|
u8* buffer = new u8[size];
|
|
ElfReader* elf_reader = NULL;
|
|
|
|
f.ReadBytes(buffer, size);
|
|
|
|
elf_reader = new ElfReader(buffer);
|
|
elf_reader->LoadInto(0x00100000);
|
|
|
|
Core::g_app_core->SetPC(elf_reader->GetEntryPoint());
|
|
|
|
delete[] buffer;
|
|
delete elf_reader;
|
|
} else {
|
|
return false;
|
|
}
|
|
f.Close();
|
|
|
|
return true;
|
|
}
|
|
|
|
/// Loads a Launcher DAT file
|
|
bool Load_DAT(std::string &filename) {
|
|
std::string full_path = filename;
|
|
std::string path, file, extension;
|
|
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
|
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
|
path = ReplaceAll(path, "/", "\\");
|
|
#endif
|
|
File::IOFile f(filename, "rb");
|
|
|
|
if (f.IsOpen()) {
|
|
u64 size = f.GetSize();
|
|
u8* buffer = new u8[size];
|
|
|
|
f.ReadBytes(buffer, size);
|
|
|
|
/**
|
|
* (mattvail) We shouldn't really support this type of file
|
|
* but for the sake of making it easier... we'll temporarily/hackishly
|
|
* allow it. No sense in making a proper reader for this.
|
|
*/
|
|
u32 entrypoint = 0x00100000; // write to same entrypoint as elf
|
|
u32 payload_offset = 0xA150;
|
|
|
|
const u8 *src = &buffer[payload_offset];
|
|
u8 *dst = Memory::GetPointer(entrypoint);
|
|
u32 srcSize = size - payload_offset; //just load everything...
|
|
u32 *s = (u32*)src;
|
|
u32 *d = (u32*)dst;
|
|
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
|
{
|
|
*d++ = (*s++);
|
|
}
|
|
|
|
Core::g_app_core->SetPC(entrypoint);
|
|
|
|
delete[] buffer;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
f.Close();
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/// Loads a CTR BIN file extracted from an ExeFS
|
|
bool Load_BIN(std::string &filename) {
|
|
std::string full_path = filename;
|
|
std::string path, file, extension;
|
|
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
|
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
|
path = ReplaceAll(path, "/", "\\");
|
|
#endif
|
|
File::IOFile f(filename, "rb");
|
|
|
|
if (f.IsOpen()) {
|
|
u64 size = f.GetSize();
|
|
u8* buffer = new u8[size];
|
|
|
|
f.ReadBytes(buffer, size);
|
|
|
|
u32 entrypoint = 0x00100000; // Hardcoded, read from exheader
|
|
|
|
const u8 *src = buffer;
|
|
u8 *dst = Memory::GetPointer(entrypoint);
|
|
u32 srcSize = size;
|
|
u32 *s = (u32*)src;
|
|
u32 *d = (u32*)dst;
|
|
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
|
{
|
|
*d++ = (*s++);
|
|
}
|
|
|
|
Core::g_app_core->SetPC(entrypoint);
|
|
|
|
delete[] buffer;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
f.Close();
|
|
|
|
return true;
|
|
}
|
|
|
|
namespace Loader {
|
|
|
|
bool IsBootableDirectory() {
|
|
ERROR_LOG(TIME, "Unimplemented function!");
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Identifies the type of a bootable file
|
|
* @param filename String filename of bootable file
|
|
* @todo (ShizZy) this function sucks... make it actually check file contents etc.
|
|
* @return FileType of file
|
|
*/
|
|
FileType IdentifyFile(std::string &filename) {
|
|
if (filename.size() == 0) {
|
|
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
|
|
return FILETYPE_ERROR;
|
|
}
|
|
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
|
|
|
|
if (File::IsDirectory(filename)) {
|
|
if (IsBootableDirectory()) {
|
|
return FILETYPE_DIRECTORY_CXI;
|
|
}
|
|
else {
|
|
return FILETYPE_NORMAL_DIRECTORY;
|
|
}
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".elf")) {
|
|
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".bin")) {
|
|
return FILETYPE_CTR_BIN;
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".dat")) {
|
|
return FILETYPE_LAUNCHER_DAT;
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".zip")) {
|
|
return FILETYPE_ARCHIVE_ZIP;
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".rar")) {
|
|
return FILETYPE_ARCHIVE_RAR;
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".r00")) {
|
|
return FILETYPE_ARCHIVE_RAR;
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".r01")) {
|
|
return FILETYPE_ARCHIVE_RAR;
|
|
}
|
|
return FILETYPE_UNKNOWN;
|
|
}
|
|
|
|
/**
|
|
* Identifies and loads a bootable file
|
|
* @param filename String filename of bootable file
|
|
* @param error_string Point to string to put error message if an error has occurred
|
|
* @return True on success, otherwise false
|
|
*/
|
|
bool LoadFile(std::string &filename, std::string *error_string) {
|
|
INFO_LOG(LOADER, "Identifying file...");
|
|
|
|
// Note that this can modify filename!
|
|
switch (IdentifyFile(filename)) {
|
|
|
|
case FILETYPE_CTR_ELF:
|
|
return Load_ELF(filename);
|
|
|
|
case FILETYPE_CTR_BIN:
|
|
return Load_BIN(filename);
|
|
|
|
case FILETYPE_LAUNCHER_DAT:
|
|
return Load_DAT(filename);
|
|
|
|
case FILETYPE_DIRECTORY_CXI:
|
|
return LoadDirectory_CXI(filename);
|
|
|
|
case FILETYPE_ERROR:
|
|
ERROR_LOG(LOADER, "Could not read file");
|
|
*error_string = "Error reading file";
|
|
break;
|
|
|
|
case FILETYPE_ARCHIVE_RAR:
|
|
#ifdef WIN32
|
|
*error_string = "RAR file detected (Require WINRAR)";
|
|
#else
|
|
*error_string = "RAR file detected (Require UnRAR)";
|
|
#endif
|
|
break;
|
|
|
|
case FILETYPE_ARCHIVE_ZIP:
|
|
#ifdef WIN32
|
|
*error_string = "ZIP file detected (Require WINRAR)";
|
|
#else
|
|
*error_string = "ZIP file detected (Require UnRAR)";
|
|
#endif
|
|
break;
|
|
|
|
case FILETYPE_NORMAL_DIRECTORY:
|
|
ERROR_LOG(LOADER, "Just a directory.");
|
|
*error_string = "Just a directory.";
|
|
break;
|
|
|
|
case FILETYPE_UNKNOWN_BIN:
|
|
case FILETYPE_UNKNOWN_ELF:
|
|
case FILETYPE_UNKNOWN:
|
|
default:
|
|
ERROR_LOG(LOADER, "Failed to identify file");
|
|
*error_string = " Failed to identify file";
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace
|