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#include "../cpu/irq.h"
#include "../sys/core.h"
#include "../drivers/uart.a.h"
#include "../util/time.h"
extern void disable_irq(void);
extern void enable_irq(void);
void c_irq_handler(void) {
disable_irq();
unsigned long source = load32(CORE0_IRQ_SOURCE);
if (source & (1 << 8)) {
if(load32(IRQ_PENDING2) & (1 << 25)) {
if(load32(UART0_MIS) & (1<<4)) {
unsigned long data = load32(UART0_DR);
if(data == 0x74) {
unsigned long timer_status;
asm volatile("mrc p15, 0, %0, c14, c3, 1" : "=r"(timer_status));
if(timer_status == 0) {
cntfrq = read_cntfrq();
write_cntv_tval(cntfrq);
enable_cntv();
} else {
disable_cntv();
}
}
uart_char((unsigned char)data);
//uart_string((char*)" c_irq_handler\n");
enable_irq();
return;
}
}
} else if (source & (1 << 3)) {
c_timer();
enable_irq();
}
return;
}
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