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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#include "interrupt.h"
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#include "config.h"
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#include "logger.h"
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static const char *const messages[] = {
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"0 #DE - Divide Error Exception",
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"1 #DB - Debug Exception",
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"2 NMI - Non-maskable interrupt",
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"3 #BP - Breakpoint Exception",
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"4 #OF - Overflow Exception",
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"5 #BR - BOUND Range Exceeded Exception",
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"6 #UD - Invalid Opcode Exception",
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"7 #NM - Device Not Available Exception",
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"8 #DF - Double Fault Exception",
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"9 Reserved - Coprocessor Segment Overrun",
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"10 #TS - Invalid TSS Exception",
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"11 #NP - Segment Not Present",
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"12 #SS - Stack Fault Exception",
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"13 #GP - General Protection Exception",
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"14 #PF - Page-Fault Exception",
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"15 Reserved",
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"16 #MF - x87 FPU Floating-Point Error",
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"17 #AC - Alignment Check Exception",
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"18 #MC - Machine-Check Exception",
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"19 #XF - SIMD Floating-Point Exception",
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"20 Reserved",
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"21 Reserved",
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"22 Reserved",
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"23 Reserved",
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"24 Reserved",
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"25 Reserved",
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"26 Reserved",
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"27 Reserved",
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"28 Reserved",
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"29 Reserved",
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"30 Reserved",
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"31 Reserved"
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};
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void exception_handler(struct IsrRegisters regs)
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{
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if (
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!(/* regs.int_no >= INT_EXCEPTION_FIRST && */ // unsigned is always >= 0
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regs.int_no <= INT_EXCEPTION_LAST)
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) {
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return;
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}
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logger_fail_from("exception", "Unhandled protected-mode exception:\n%s", messages[regs.int_no]);
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asm volatile("cli");
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while (1) {}
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}
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