Add a quick way to load Launcher.dat files

This commit is contained in:
Mathieu Vaillancourt 2014-04-21 23:09:10 -04:00
parent bf025ed03c
commit 5ad1aa8b68
2 changed files with 60 additions and 5 deletions

View file

@ -11,6 +11,8 @@
#include "core/file_sys/directory_file_system.h" #include "core/file_sys/directory_file_system.h"
#include "core/elf/elf_reader.h" #include "core/elf/elf_reader.h"
#include "core/mem_map.h"
//////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////
/// Loads an extracted CXI from a directory /// Loads an extracted CXI from a directory
@ -66,6 +68,52 @@ bool Load_ELF(std::string &filename) {
return true; 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 = 0x080c3ee0; // write to same entrypoint as elf
u32 payload_offset = 0x6F4;
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;
}
namespace Loader { namespace Loader {
bool IsBootableDirectory() { bool IsBootableDirectory() {
@ -97,6 +145,9 @@ FileType IdentifyFile(std::string &filename) {
else if (!strcasecmp(extension.c_str(), ".elf")) { else if (!strcasecmp(extension.c_str(), ".elf")) {
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
} }
else if (!strcasecmp(extension.c_str(), ".dat")) {
return FILETYPE_LAUNCHER_DAT;
}
else if (!strcasecmp(extension.c_str(), ".zip")) { else if (!strcasecmp(extension.c_str(), ".zip")) {
return FILETYPE_ARCHIVE_ZIP; return FILETYPE_ARCHIVE_ZIP;
} }
@ -127,6 +178,9 @@ bool LoadFile(std::string &filename, std::string *error_string) {
case FILETYPE_CTR_ELF: case FILETYPE_CTR_ELF:
return Load_ELF(filename); return Load_ELF(filename);
case FILETYPE_LAUNCHER_DAT:
return Load_DAT(filename);
case FILETYPE_DIRECTORY_CXI: case FILETYPE_DIRECTORY_CXI:
return LoadDirectory_CXI(filename); return LoadDirectory_CXI(filename);

View file

@ -17,6 +17,7 @@ enum FileType {
FILETYPE_CTR_CIA, FILETYPE_CTR_CIA,
FILETYPE_CTR_CXI, FILETYPE_CTR_CXI,
FILETYPE_CTR_ELF, FILETYPE_CTR_ELF,
FILETYPE_LAUNCHER_DAT,
FILETYPE_DIRECTORY_CXI, FILETYPE_DIRECTORY_CXI,