litex/soc/software/libbase/exception.c

   1 void isr(void);
   2
   3 #ifdef __or1k__
   4
   5 #define EXTERNAL_IRQ 0x8
   6
   7 void exception_handler(unsigned long vect, unsigned long *regs,
   8                        unsigned long pc, unsigned long ea);
   9 void exception_handler(unsigned long vect, unsigned long *regs,
  10                        unsigned long pc, unsigned long ea)
  11 {
  12         if(vect == EXTERNAL_IRQ) {
  13                 isr();
  14         } else {
  15                 /* Unhandled exception */
  16                 for(;;);
  17         }
  18 }
  19 #endif