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