Various changes/cleanups, removed useless code, simplified chronometer functions
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75acdc8a98
commit
aa7c2c0009
@ -310,12 +310,9 @@ void ctrNandInit(void)
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memcpy(nandCTR, shaSum, 0x10);
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if(isN3DS)
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{
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if(!isDevUnit)
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{
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u8 __attribute__((aligned(4))) keyY0x5[0x10] = {0x4D, 0x80, 0x4F, 0x4E, 0x99, 0x90, 0x19, 0x46, 0x13, 0xA2, 0x04, 0xAC, 0x58, 0x44, 0x60, 0xBE};
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aes_setkey(0x05, keyY0x5, AES_KEYY, AES_INPUT_BE | AES_INPUT_NORMAL);
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}
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nandSlot = 0x05;
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fatStart = 0x5CAD7;
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@ -364,8 +361,7 @@ void setRSAMod0DerivedKeys(void)
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/* [3dbrew] The first 0x10-bytes are checked by the v6.0/v7.0 NATIVE_FIRM keyinit function,
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when non-zero it clears this block and continues to do the key generation.
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Otherwise when this block was already all-zero, it immediately returns.
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*/
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Otherwise when this block was already all-zero, it immediately returns. */
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memset32((void *)0x01FFCD00, 0, 0x10);
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}
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}
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@ -453,11 +449,10 @@ void arm9Loader(u8 *arm9Section)
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//Set keys 0x19..0x1F keyXs
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aes_use_keyslot(0x11);
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for(u8 slot = 0x19; slot < 0x20; slot++)
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for(u8 slot = 0x19; slot < 0x20; slot++, keyData[0xF]++)
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{
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aes(decKey, keyData, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
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aes_setkey(slot, decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
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keyData[0xF] += 1;
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}
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}
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}
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@ -56,8 +56,7 @@ void main(void)
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isA9lh;
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u32 newConfig,
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emuHeader,
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nbChronoStarted = 0;
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emuHeader;
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FirmwareType firmType;
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FirmwareSource nandType;
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@ -135,12 +134,12 @@ void main(void)
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if(needConfig != DONT_CONFIGURE)
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{
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//If no configuration file exists or SELECT is held, load configuration menu
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bool shouldLoadConfigurationMenu = needConfig == CREATE_CONFIGURATION || ((pressed & BUTTON_SELECT) && !(pressed & BUTTON_L1));
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bool pinExists = CONFIG(7) && readPin(&pin);
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bool shouldLoadConfigurationMenu = needConfig == CREATE_CONFIGURATION || ((pressed & BUTTON_SELECT) && !(pressed & BUTTON_L1)),
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pinExists = CONFIG(7) && readPin(&pin);
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if(pinExists || shouldLoadConfigurationMenu)
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{
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bool needToDeinit = initScreens();
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initScreens();
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//If we get here we should check the PIN (if it exists) in all cases
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if(pinExists) verifyPin(&pin, true);
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@ -154,21 +153,11 @@ void main(void)
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//Zero the last booted FIRM flag
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CFG_BOOTENV = 0;
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nbChronoStarted = 1;
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chrono(0);
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chrono(2);
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//Update pressed buttons
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pressed = HID_PAD;
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}
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if(needToDeinit)
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{
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//Turn off backlight
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i2cWriteRegister(I2C_DEV_MCU, 0x22, 0x16);
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deinitScreens();
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PDN_GPU_CNT = 1;
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}
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}
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if(isA9lh && !CFG_BOOTENV && pressed == SAFE_MODE)
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@ -183,22 +172,19 @@ void main(void)
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if(CONFIG(6) && loadSplash())
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{
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nbChronoStarted = 2;
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chrono(0);
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chrono(3);
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nbChronoStarted = 0;
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//Update pressed buttons
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pressed = HID_PAD;
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}
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bool shouldLoadPayload = (pressed & SINGLE_PAYLOAD_BUTTONS) || ((pressed & BUTTON_L1) && (pressed & L_PAYLOAD_BUTTONS));
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if(shouldLoadPayload)
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loadPayload(pressed, nbChronoStarted != 2);
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if(shouldLoadPayload) loadPayload(pressed);
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if(!CONFIG(6) && loadSplash())
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{
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nbChronoStarted = 2;
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chrono(0);
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chrono(3);
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}
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//If R is pressed, boot the non-updated NAND with the FIRM of the opposite one
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@ -266,12 +252,6 @@ void main(void)
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break;
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}
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if(nbChronoStarted)
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{
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if(nbChronoStarted == 2) chrono(3);
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stopChrono();
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}
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launchFirm(firmType, isFirmlaunch);
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}
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@ -81,7 +81,7 @@ void createDirectory(const char *path)
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f_mkdir(path);
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}
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void loadPayload(u32 pressed, bool needToInitScreens)
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void loadPayload(u32 pressed)
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{
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const char *pattern;
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@ -106,7 +106,7 @@ void loadPayload(u32 pressed, bool needToInitScreens)
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if(result == FR_OK && info.fname[0])
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{
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if(needToInitScreens) initScreens();
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initScreens();
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u32 *const loaderAddress = (u32 *)0x24FFFF00;
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@ -33,5 +33,5 @@ u32 fileRead(void *dest, const char *path);
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u32 getFileSize(const char *path);
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bool fileWrite(const void *buffer, const char *path, u32 size);
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void createDirectory(const char *path);
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void loadPayload(u32 pressed, bool needToInitScreens);
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void loadPayload(u32 pressed);
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u32 firmRead(void *dest, u32 firmType);
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@ -185,7 +185,7 @@ u32 getLoader(u8 *pos, u32 *loaderSize)
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u8 *off = pos;
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u32 size;
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while(1)
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while(true)
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{
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size = *(u32 *)(off + 0x104) * 0x200;
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if(*(u32 *)(off + 0x200) == 0x64616F6C) break;
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21
source/pin.c
21
source/pin.c
@ -39,8 +39,9 @@ bool readPin(PINData *out)
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{
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u8 __attribute__((aligned(4))) zeroes[16] = {0};
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u8 __attribute__((aligned(4))) tmp[32] = {0};
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if(fileRead(out, "/luma/pin.bin") != sizeof(PINData)) return false;
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else if(memcmp(out->magic, "PINF", 4) != 0) return false;
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if(memcmp(out->magic, "PINF", 4) != 0) return false;
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computePINHash(tmp, zeroes, 1);
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return memcmp(out->testHash, tmp, 32) == 0; //test vector verification (SD card has (or hasn't) been used on another console)
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@ -62,16 +63,15 @@ PINData newPin(void)
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drawString("Enter your NEW PIN: ", 10, 10, COLOR_WHITE);
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u32 pressed = 0;
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// Set the default value as 0x00 so we can check if there are any unentered characters.
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u8 __attribute__((aligned(4))) enteredPassword[16 * ((PIN_LENGTH + 15) / 16)] = {0}; // pad to AES block length
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u32 cnt = 0;
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int charDrawPos = 20 * SPACING_X;
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int cnt = 0;
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while(true)
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{
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u32 pressed;
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do
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{
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pressed = waitInput();
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@ -91,7 +91,6 @@ PINData newPin(void)
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// we leave the rest of the array zeroed out.
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if(cnt >= PIN_LENGTH)
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{
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PINData pin = {0};
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u8 __attribute__((aligned(4))) tmp[32] = {0};
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u8 __attribute__((aligned(4))) zeroes[16] = {0};
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@ -119,16 +118,16 @@ void verifyPin(PINData *in, bool allowQuit)
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drawString("Press START to shutdown or enter pin to proceed.", 10, 10, COLOR_WHITE);
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drawString("Pin: ", 10, 10 + 2 * SPACING_Y, COLOR_WHITE);
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u32 pressed = 0;
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// Set the default characters as 0x00 so we can check if there are any unentered characters.
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u8 __attribute__((aligned(4))) enteredPassword[16 * ((PIN_LENGTH + 15) / 16)] = {0};
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u32 cnt = 0;
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bool unlock;
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int charDrawPos = 5 * SPACING_X, cnt = 0;
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int charDrawPos = 5 * SPACING_X;
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while(true)
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{
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u32 pressed;
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do
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{
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pressed = waitInput();
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@ -161,10 +160,6 @@ void verifyPin(PINData *in, bool allowQuit)
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if(!unlock)
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{
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// re zero out all 16 just in case.
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memset32(enteredPassword, 0, 16);
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pressed = 0;
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charDrawPos = 5 * SPACING_X;
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cnt = 0;
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@ -174,7 +169,7 @@ void verifyPin(PINData *in, bool allowQuit)
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drawString("Pin: ", 10, 10 + 2 * SPACING_Y, COLOR_WHITE);
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drawString("Wrong pin! Try again!", 10, 10 + 3 * SPACING_Y, COLOR_RED);
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}
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else return;
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else break;
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}
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}
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}
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@ -140,10 +140,8 @@ void clearScreens(void)
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invokeArm11Function(ARM11);
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}
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bool initScreens(void)
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void initScreens(void)
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{
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bool needToInit = PDN_GPU_CNT == 1;
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void __attribute__((naked)) ARM11(void)
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{
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//Disable interrupts
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@ -242,7 +240,7 @@ bool initScreens(void)
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WAIT_FOR_ARM9();
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}
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if(needToInit)
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if(PDN_GPU_CNT == 1)
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{
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flushDCacheRange(&config, 4);
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flushDCacheRange((void *)fb, sizeof(struct fb));
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@ -254,6 +252,4 @@ bool initScreens(void)
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else updateBrightness(MULTICONFIG(0));
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clearScreens();
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return needToInit;
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}
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@ -42,4 +42,4 @@ static volatile struct fb {
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void deinitScreens(void);
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void updateBrightness(u32 brightnessIndex);
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void clearScreens(void);
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bool initScreens(void);
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void initScreens(void);
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@ -84,14 +84,19 @@ static inline void startChrono(u64 initialTicks)
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for(u32 i = 1; i < 4; i++) REG_TIMER_CNT(i) = 0x84; //Count-up; enabled
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}
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static inline void stopChrono(void)
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{
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for(u32 i = 0; i < 4; i++) REG_TIMER_CNT(i) &= ~0x80;
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}
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void chrono(u32 seconds)
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{
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static u64 startingTicks = 0;
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startChrono(0);
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if(!startingTicks) startChrono(0);
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u64 startingTicks = 0;
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for(u32 i = 0; i < 4; i++) startingTicks |= REG_TIMER_VAL(i) << (16 * i);
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u64 res;
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do
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{
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res = 0;
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@ -99,12 +104,7 @@ void chrono(u32 seconds)
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}
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while(res - startingTicks < seconds * TICKS_PER_SEC);
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if(!seconds) startingTicks = res;
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}
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void stopChrono(void)
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{
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for(u32 i = 0; i < 4; i++) REG_TIMER_CNT(i) &= ~0x80;
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stopChrono();
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}
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void error(const char *message)
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@ -31,7 +31,5 @@
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u32 waitInput(void);
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void mcuReboot(void);
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void mcuPowerOff(void);
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void chrono(u32 seconds);
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void stopChrono(void);
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void error(const char *message);
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