int main(void)
{
__stack_chk_guard = random32();
setup();
memory_protect();
oledInit();
// at least one button is unpressed
uint16_t state = gpio_port_read(BTN_PORT);
if ((state & BTN_PIN_YES) == BTN_PIN_YES || (state & BTN_PIN_NO) == BTN_PIN_NO) {
check_firmware_sanity();
oledClear();
oledDrawBitmap(40, 0, &bmp_logo64_empty);
oledRefresh();
uint8_t hash[32];
if (!signatures_ok(hash)) {
show_unofficial_warning(hash);
}
load_app();
}
bootloader_loop();
return 0;
}
/*
* boot() - Runs through application firmware checking, and then boots
*
* INPUT
* none
* OUTPUT
* true/false whether boot was successful
*
*/
static bool boot(void)
{
if(magic_ok())
{
layout_home();
if(signatures_ok() == 0) /* Signature check failed */
{
delay_ms(500);
if(!confirm_without_button_request("Unofficial Firmware",
"Do you want to continue booting?"))
{
layout_simple_message("Boot Aborted");
goto cancel_boot;
}
layout_home();
}
led_func(CLR_RED_LED);
cm_disable_interrupts();
set_vector_table_application();
application_jump();
}
else
{
layout_simple_message("Please Reinstall Firmware");
goto cancel_boot;
}
cancel_boot:
return(false);
}
static bool canDropPrivs(void)
{
switch (get_bootloaderKind()) {
case BLK_v1_0_0:
case BLK_v1_0_1:
case BLK_v1_0_2:
case BLK_v1_0_3:
case BLK_v1_0_3_elf:
case BLK_v1_0_3_sig:
case BLK_v1_0_4:
case BLK_UNKNOWN:
return true;
case BLK_v1_1_0:
return true;
case BLK_v2_0_0:
return SIG_OK == signatures_ok();
}
__builtin_unreachable();
}
int main(void)
{
#ifndef APPVER
setup();
#endif
__stack_chk_guard = random32(); // this supports compiler provided unpredictable stack protection checks
#ifndef APPVER
memory_protect();
oledInit();
#endif
#ifndef APPVER
// at least one button is unpressed
uint16_t state = gpio_port_read(BTN_PORT);
int unpressed = ((state & BTN_PIN_YES) == BTN_PIN_YES || (state & BTN_PIN_NO) == BTN_PIN_NO);
if (firmware_present() && unpressed) {
oledClear();
oledDrawBitmap(40, 0, &bmp_logo64_empty);
oledRefresh();
uint8_t hash[32];
int signed_firmware = signatures_ok(hash);
if (SIG_OK != signed_firmware) {
show_unofficial_warning(hash);
timer_init();
}
load_app(signed_firmware);
}
#endif
bootloader_loop();
return 0;
}
