Cleanup of dumping code to use cstdio

This commit is contained in:
archshift 2015-06-14 14:56:06 -07:00
parent 4f36fe63ea
commit eb7f4a8d88
2 changed files with 45 additions and 66 deletions

View File

@ -12,54 +12,44 @@
#include "utils/shared_font/shared_font.h"
namespace SaveDataCheck {
std::string BuildSharedRomFSFilename(u8* lowpath) {
const u32* split_lowpath = reinterpret_cast<u32*>(lowpath);
std::string BuildSharedRomFSFilename(u32* lowpath) {
char* filename_buffer;
asprintf(&filename_buffer, "/%08x%08x.bin", split_lowpath[1], split_lowpath[0]);
asprintf(&filename_buffer, "/%08lx%08lx.bin", lowpath[1], lowpath[0]);
std::string filename(filename_buffer);
free(filename_buffer);
return filename;
}
void DumpSharedRomFS(u8* archive_binary_lowpath) {
void DumpSharedRomFS(u32* archive_binary_lowpath) {
std::string output_file = BuildSharedRomFSFilename(archive_binary_lowpath);
// Read RomFS bin from SaveDataCheck...
Handle romfs_handle;
u64 romfs_size = 0;
u32 romfs_bytes_read = 0;
FS_archive savedatacheck_archive = { 0x2345678a, { PATH_BINARY, 16, archive_binary_lowpath } };
FS_archive savedatacheck_archive = { 0x2345678a, { PATH_BINARY, 16, (u8*)archive_binary_lowpath } };
u8 file_binary_lowpath[20] = {};
FS_path romfs_path = { PATH_BINARY, 20, file_binary_lowpath };
print(GFX_TOP, "Dumping SaveDataCheck RomFS (%s)... ", output_file.c_str());
FSUSER_OpenFileDirectly(NULL, &romfs_handle, savedatacheck_archive, romfs_path, FS_OPEN_READ, FS_ATTRIBUTE_NONE);
FSFILE_GetSize(romfs_handle, &romfs_size);
std::unique_ptr<u8> romfs_data_buffer(new u8[romfs_size]);
FSFILE_Read(romfs_handle, &romfs_bytes_read, 0, romfs_data_buffer.get(), romfs_size);
FSFILE_Close(romfs_handle);
// Dump RomFS bin to SDMC...
Handle file_handle;
u32 bytes_written = 0;
FS_path fs_path = FS_makePath(PATH_CHAR, output_file.c_str());
FS_archive sdmc_archive = (FS_archive) { 0x00000009, { PATH_EMPTY, 1, (u8*) "" } };
FSUSER_OpenArchive(NULL, &sdmc_archive);
FSUSER_OpenFile(NULL, &file_handle, sdmc_archive, fs_path, FS_OPEN_CREATE | FS_OPEN_WRITE, FS_ATTRIBUTE_NONE);
Result res = FSFILE_Write(file_handle, &bytes_written, 0x0, romfs_data_buffer.get(), romfs_size, FS_WRITE_FLUSH);
FSFILE_Close(file_handle);
FSUSER_CloseArchive(NULL, &sdmc_archive);
// Check result...
if (res == 0 && bytes_written == romfs_size)
FILE* out_file = fopen(output_file.c_str(), "wb");
size_t bytes_written = fwrite(romfs_data_buffer.get(), 1, romfs_size, out_file);
fclose(out_file);
if (bytes_written == romfs_size)
print(GFX_TOP, "Done!\n");
else
print(GFX_TOP, "Failed!\n");
@ -67,22 +57,16 @@ void DumpSharedRomFS(u8* archive_binary_lowpath) {
void Dump() {
// savedatacheck/000400db00010302.bin
u8 binary_lowpath_000400db00010302[] = {
0x02, 0x03, 0x01, 0x00, 0xdb, 0x00, 0x04, 0x00, 0x00, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
};
DumpSharedRomFS(binary_lowpath_000400db00010302);
u64 binary_lowpath_000400db00010302[] = { 0x000400db00010302, 0x00000001ffffff00 };
DumpSharedRomFS((u32*)binary_lowpath_000400db00010302);
// savedatacheck/0004009b00010202.bin
u8 binary_lowpath_0004009b00010202[] = {
0x02, 0x02, 0x01, 0x00, 0x9b, 0x00, 0x04, 0x00, 0x00, 0xff, 0xff, 0xff, 0x02, 0x00, 0x00, 0x00
};
DumpSharedRomFS(binary_lowpath_0004009b00010202);
u64 binary_lowpath_0004009b00010202[] = { 0x0004009b00010202, 0x00000002ffffff00 };
DumpSharedRomFS((u32*)binary_lowpath_0004009b00010202);
// savedatacheck/0004009b00010402.bin
u8 binary_lowpath_0004009b00010402[] = {
0x02, 0x04, 0x01, 0x00, 0x9b, 0x00, 0x04, 0x00, 0x00, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00
};
DumpSharedRomFS(binary_lowpath_0004009b00010402);
u64 binary_lowpath_0004009b00010402[] = { 0x0004009b00010402, 0x00000001ffffff00 };
DumpSharedRomFS((u32*)binary_lowpath_0004009b00010402);
}
} // namespace

View File

@ -2,6 +2,8 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <cstdio>
#include <3ds.h>
#include "output.h"
@ -13,47 +15,40 @@ static const u32 SHARED_FONT_SIZE = 0x300000;
void Dump() {
static const char* path = "/shared_font.bin";
print(GFX_TOP, "Dumping shared system font (%s)... ", path);
// Connect to APT service...
Handle apt_handle;
srvGetServiceHandle(&apt_handle, "APT:U");
u32* cmdbuf=getThreadCommandBuffer();
// Call APT::GetSharedFont function to load font into memory...
cmdbuf[0] = 0x00440000;
svcSendSyncRequest(apt_handle);
Handle mem_handle = cmdbuf[4];
void* shared_font_addr = reinterpret_cast<void*>(cmdbuf[2]);
// Close APT handle...
svcCloseHandle(apt_handle);
// Map shared font memory...
svcMapMemoryBlock(mem_handle, 0, MEMPERM_READ, MEMPERM_DONTCARE);
// Dump shared font to SDMC...
Handle file_handle;
u32 bytes_written = 0;
static const FS_path fs_path = FS_makePath(PATH_CHAR, path);
FS_archive sdmc_archive = (FS_archive) { 0x00000009, { PATH_EMPTY, 1, (u8*) "" } };
FSUSER_OpenArchive(NULL, &sdmc_archive);
FSUSER_OpenFile(NULL, &file_handle, sdmc_archive, fs_path, FS_OPEN_CREATE | FS_OPEN_WRITE, FS_ATTRIBUTE_NONE);
Result res = FSFILE_Write(file_handle, &bytes_written, 0x0, shared_font_addr, SHARED_FONT_SIZE, FS_WRITE_FLUSH);
FSFILE_Close(file_handle);
FSUSER_CloseArchive(NULL, &sdmc_archive);
FILE* out_file = fopen(path, "wb");
size_t bytes_written = fwrite(shared_font_addr, 1, SHARED_FONT_SIZE, out_file);
fclose(out_file);
// Check result...
if (res == 0 && bytes_written == SHARED_FONT_SIZE)
if (bytes_written == SHARED_FONT_SIZE)
print(GFX_TOP, "Done!\n");
else
print(GFX_TOP, "Failed!\n");