Citra-emu/uncart
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Various cleanups and UI improvements (hopefully...)

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This commit is contained in:
Yuri Kunde Schlesner 2015-05-24 23:29:37 -03:00
parent 843095109f
commit ce21c68e8c
2 changed files with 44 additions and 47 deletions
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7
source/gamecart/protocol.c
View File

@ -184,9 +184,8 @@ void Cart_Secure_Init(u32 *buf, u32 *out)
const u32 C5_cmd[4] = { 0xC5000000, 0x00000000, rand1, rand2 };
CTR_SendCommand(C5_cmd, 0, 1, 0x100822C, NULL);
for (int i = 0; i < 5; ++i) {
CTR_SendCommand(A2_cmd, 4, 1, 0x100822C, &test);
CTR_SendCommand(A2_cmd, 4, 1, 0x100822C, &test);
CTR_SendCommand(A2_cmd, 4, 1, 0x100822C, &test);
CTR_SendCommand(A2_cmd, 4, 1, 0x100822C, &test);
CTR_SendCommand(A2_cmd, 4, 1, 0x100822C, &test);
ioDelay(0xF0000);
}
}

82
source/main.c
View File

@ -22,29 +22,24 @@ static void ClearTop(void) {
}
static void wait_key(void) {
Debug("");
Debug("Press key to continue");
Debug("Press key to continue...");
InputWait();
}
int main() {
restart_program:
// Setup boring stuff - clear the screen, initialize SD output, etc...
ClearTop();
Debug("");
Debug("Hello world from ARM9!");
Debug("ROM dump tool v0.2", 1, 1, 0xFF);
Debug("ROM dump tool v0.2");
Debug("Insert your game cart and SD card now.");
wait_key();
char filename_buf[21];
unsigned int bytes_written = 0;
// Arbitrary target buffer
// TODO: This should be done in a nicer way ;)
u8* target = (u8*)0x22000000;
u8* header = (u8*)0x23000000;
Debug("ROM dump tool v0.2", 1, 1, 0xFF);
memset(target, 0x00, 0x100000); // Clear our 1 MB buffer
// clear_screens(0x00);
@ -56,18 +51,11 @@ int main() {
wait_key();
return 0;
}
Debug("Successfully f_mounted");
Debug("cleared stuff! Initializing game card...", 1, 1, 0xFF);
// ROM DUMPING CODE STARTS HERE
Cart_Init();
Debug("Done! Cart id is %08x, press A...", (u32)Cart_GetID());
InputWait();
Debug("Done waiting :)...", 1, 1, 0xFF);
Debug("Cart id is %08x, press A...", Cart_GetID());
CTR_CmdReadHeader(header);
Debug("Done reading header: %08X :)...", *(u32*)&header[0x100]);
@ -75,7 +63,7 @@ int main() {
u32 sec_keys[4];
Cart_Secure_Init((u32*)header,sec_keys);
u32 mediaUnit = 0x200;
u32 mediaUnit = 0x200; // TODO: Read from cart
u32 ramCache = 0xC000; //24MB/s - 0x1000000
u32 dumpSize = 0x100000; //1MB
@ -84,64 +72,74 @@ int main() {
// Read out the header 0x0000-0x1000
CTR_CmdReadData(0, mediaUnit, 8, target);
// Create output file - TODO: Put actual information in the file name (game id/name/..?), to have a standardized naming scheme
snprintf(filename_buf, sizeof(filename_buf), "%s", "/dump.3ds");
u32 NCSD_magic = *(u32*)(&target[0x100]);
u32 cartSize = *(u32*)(&target[0x104]);
Debug("Cart size: %llu MB", (u64)cartSize * (u64)mediaUnit / 1024ull / 1024ull);
if (NCSD_magic != 0x4453434E) {
Debug("NCSD magic not found in header!!!");
Debug("Press A to continue anyway.");
if (!(InputWait() & 1))
goto cleanup_mount;
}
wait_key();
Debug("File name: \"%s\"", filename_buf);
// Create output file
char filename_buf[32];
snprintf(filename_buf, sizeof(filename_buf), "/%.16s.3ds", &header[0x150]);
Debug("Outputting to file: \"%s\"", filename_buf);
unsigned flags = FA_READ | FA_WRITE | FA_CREATE_ALWAYS;
if (f_open(&file, filename_buf, flags) != FR_OK) {
Debug("Failed to create file...");
wait_key();
return 0;
goto cleanup_mount;
}
f_lseek(&file, 0);
f_sync(&file);
Debug("Successfully created file");
wait_key();
// Write header to file
unsigned int written = 0;
f_write(&file, target, 0x4000, &written);
f_sync(&file);
Debug("Wrote header");
wait_key();
u32 cartSize = *(u32*)(&target[0x104]);
Debug("Cart size: %llu MB", (u64)cartSize * 0x200ull / 1024ull / 1024ull);
wait_key();
Debug("Ready to dump. (SELECT to skip)");
if (InputWait() & 4) // Select
goto skip_dumping;
// Dump remaining data
for(u32 adr=0x20; adr<cartSize; adr+=ramCache) {
ClearTop();
Debug("Wrote 0x%x bytes, e.g. %08x", bytes_written, *(u32*)target);
for (u32 adr = 0x20; adr < cartSize; adr += ramCache) {
u32 dumped = cartSize - adr;
if(dumped > ramCache) dumped = ramCache;
if (dumped > ramCache) dumped = ramCache;
for(u32 adr2=0; (adr2 < dumped); adr2+=blocks) {
u32 currentSector = (adr+adr2);
u32 percent = ((currentSector*100)/cartSize);
for (u32 adr2 = 0; adr2 < dumped; adr2 += blocks) {
u32 currentSector = adr + adr2;
u32 percent = (currentSector * 100) / cartSize;
if ((adr2 % (blocks*3)) == blocks*2)
Debug("Dumping %08X / %08X - %03d%%",currentSector,cartSize,percent);
CTR_CmdReadData(currentSector, mediaUnit, blocks, (void*)(target + (adr2 * mediaUnit)));
}
f_write(&file, target, dumped * mediaUnit, &bytes_written);
f_sync(&file);
}
unsigned int bytes_written = 0;
f_write(&file, target, dumped * mediaUnit, &bytes_written);
Debug("Wrote 0x%x bytes, e.g. %08x", bytes_written, *(u32*)target);
}
Debug("Done!");
skip_dumping:
// Write header - TODO: Not sure why this is done at the very end..
f_lseek(&file, 0x1000);
f_write(&file, header, 0x200, &written);
f_sync(&file);
Debug("Wrote 0x%X header bytes", written);
wait_key();
// Done, clean up...
f_close(&file);
cleanup_mount:
f_mount(NULL, "0:", 0);
Debug("Press B to exit, any other key to restart.");
if (!(InputWait() & 2))
goto restart_program;
return 0;
}