diff options
Diffstat (limited to 'interrupts.c')
-rw-r--r-- | interrupts.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/interrupts.c b/interrupts.c index 3dc3d6f..79007cb 100644 --- a/interrupts.c +++ b/interrupts.c @@ -12,4 +12,14 @@ void __attribute__((interrupt("UNDEF"))) undefined_instruction_vector(void) { /* Do Nothing! */ } +} + +__irq void IRQHandler (void) +{ + volatile unsigned int *base = (unsigned int *) 0x80000000; + if (*base == 1) // which interrupt was it? + { + uart_putc(*base); // process the interrupt + } + *(base+1) = 0; // clear the interrupt }
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