forked from M-Labs/artiq
1
0
Fork 0
artiq/soc/runtime/esr.c

31 lines
541 B
C

#include <generated/csr.h>
#include <irq.h>
#include <uart.h>
static void isr(void)
{
unsigned int irqs;
irqs = irq_pending() & irq_getmask();
if(irqs & (1 << UART_INTERRUPT))
uart_isr();
}
#define EXTERNAL_IRQ 0x800
#define SYSTEM_CALL 0xc00
void exception_handler(unsigned long vect, unsigned long *sp);
void exception_handler(unsigned long vect, unsigned long *sp)
{
vect &= 0xf00;
if(vect == SYSTEM_CALL) {
puts("scall");
} else if(vect == EXTERNAL_IRQ) {
isr();
} else {
/* Unhandled exception */
for(;;);
}
}