reboot.c

#include "main-header.h"
#include "baseinfo.h"
#include "constants.h"
#include "user_app_exe.h"
 
void restart_app_at(void *app);
 
void reboot(int num) {
  user_app_disable();
  constants_validate();
  mculib_reset();
}
 
void reboot_hard() {
  reboot(0);
}
void reboot_fast() {
  reboot(1);
}
void reboot_immediately() {
  reboot(2);
}
 
void avoid_watchdog(void) __attribute__((no_instrument_function));
void avoid_watchdog(void) {
  mculib_watchdog_avoid();
}
void restart_app(void) {
  restart_app_at(get_app_header());
  return;
}
 
void restart_app_adr(uint32_t address) {
  if (address == 0) {
    printf("Ignoring request to start app at adr 0\r\n");
    return;
  }
  printf("Requested to start app at %p\r\n", address);
  struct app_header *app = (struct app_header *)address;
 
  if (app->magic != 0x53434657) {
    printf("invalid magic (%p)\r\n", app->magic);
    return;
  }
  void *p = (void *)app->entry;
 
  printf("Starting app at %p\r\n", p);
  restart_app_at(p);
}
 
void restart_app_at(void *app) {
  printf("Starting app at %p\r\n", app);
  mculib_disable_irq(MAIN_MCULIBHANDLE);
 
#ifdef __unix__
  printf("Restarting()\n");
 
#else
  uint32_t entry = (uint32_t)app;
  asm volatile ("mov r5,#0;"
                "mov pc,%0;"
                :               /* No "return" (output) variables */
                :  "r" (entry)
                );
#endif
}