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kernel/arch/exception.c
2017-11-03 04:12:44 +00:00

56 lines
2.2 KiB
C

#include "config.h"
#include "logger.h"
struct IsrRegisters {
unsigned int ds; // Data segment selector
unsigned int edi, esi, ebp, esp, ebx, edx, ecx, eax; // Pushed by pusha.
unsigned int int_no, err_code; // Interrupt number and error code (if applicable)
unsigned int eip, cs, eflags, useresp, ss; // Pushed by the processor automatically.
};
static const char *const messages[] = {
"Unhandled protected-mode exception: 0x0",
"Unhandled protected-mode exception: 0x1",
"Unhandled protected-mode exception: 0x2",
"Unhandled protected-mode exception: 0x3",
"Unhandled protected-mode exception: 0x4",
"Unhandled protected-mode exception: 0x5",
"Unhandled protected-mode exception: 0x6",
"Unhandled protected-mode exception: 0x7",
"Unhandled protected-mode exception: 0x8",
"Unhandled protected-mode exception: 0x9",
"Unhandled protected-mode exception: 0xA",
"Unhandled protected-mode exception: 0xB",
"Unhandled protected-mode exception: 0xC",
"Unhandled protected-mode exception: 0xD",
"Unhandled protected-mode exception: 0xE",
"Unhandled protected-mode exception: 0xF",
"Unhandled protected-mode exception: 0x10",
"Unhandled protected-mode exception: 0x11",
"Unhandled protected-mode exception: 0x12",
"Unhandled protected-mode exception: 0x13",
"Unhandled protected-mode exception: 0x14",
"Unhandled protected-mode exception: 0x15",
"Unhandled protected-mode exception: 0x16",
"Unhandled protected-mode exception: 0x17",
"Unhandled protected-mode exception: 0x18",
"Unhandled protected-mode exception: 0x19",
"Unhandled protected-mode exception: 0x1A",
"Unhandled protected-mode exception: 0x1B",
"Unhandled protected-mode exception: 0x1C",
"Unhandled protected-mode exception: 0x1D",
"Unhandled protected-mode exception: 0x1E",
"Unhandled protected-mode exception: 0x1F",
};
void exception_handler(struct IsrRegisters regs)
{
if (
!(/* regs.int_no >= INT_EXCEPTION_FIRST && */ // unsigned is always >= 0
regs.int_no <= INT_EXCEPTION_LAST)
) {
return;
}
logger_warn(messages[regs.int_no]);
}