46 lines
1015 B
C
46 lines
1015 B
C
#include "lib/print.h"
|
|
#include <stdint.h>
|
|
|
|
extern void master_eoi(void);
|
|
|
|
struct registers {
|
|
uint32_t edi, esi, ebp, esp_dummy, ebx, edx, ecx, eax;
|
|
|
|
uint32_t int_no;
|
|
uint32_t error_code;
|
|
|
|
uint32_t eip, cs, eflags, useresp, ss;
|
|
};
|
|
|
|
const char* err_messages[32] = {
|
|
[0] = "Divide by 0",
|
|
[1] = "",
|
|
[8] = "",
|
|
[13] = "General Protection Fault",
|
|
[14] = "Page Fault",
|
|
};
|
|
|
|
void common_interrupt_handler(struct registers *regs) {
|
|
switch (regs->int_no) {
|
|
case 0:
|
|
case 1:
|
|
case 8:
|
|
case 13:
|
|
case 14:
|
|
kprint("CPU Error: ");
|
|
kprint(err_messages[regs->int_no]);
|
|
kprint("\n");
|
|
break;
|
|
case 32:
|
|
// wake the PIC timer driver
|
|
master_eoi();
|
|
break;
|
|
case 33:
|
|
// wake the keyboard driver
|
|
master_eoi();
|
|
break;
|
|
default:
|
|
kprint("Received unhandled interrupt\n");
|
|
return;
|
|
}
|
|
} |