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exception.c File Reference

Exceptions manager. More...

#include <const.h>
#include <kernel/console.h>
#include <kernel/task.h>
#include <arch/i386.h>
#include <arch/interrupt.h>
#include <arch/mem.h>
#include <arch/paging.h>
#include <arch/v86.h>
#include <arch/exception.h>

Go to the source code of this file.

Functions
void	panic ()
	Panic routine.
__inline__ void	dump_registers (exc_context_t *c)
	Dump the CPU registers. Parameters: c  The context of the current task after an exception.
void	default_exception (exc_context_t *c)
	This is the default exception handler. It is invoked every time an exception occurs. The kernel must route the exececution to the opportune procedures to correctly manage the exception. Parameters: c  The context of the current task after an exception.

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Detailed Description

Exceptions manager.

Author:

Andrea Righi <drizzt@inwind.it>

Date:

Last update: 2004-01-24

Note:

Copyright (©) 2003 Andrea Righi

From: <INTEL 80386 PROGRAMMER'S REFERENCE MANUAL 1986>

Identifier	Description
0	Divide error
1	Debug exception
2	Nonmaskable interrupt
3	Breakpoint (one-byte INT 3 instruction)
4	Overflow (INTO instruction)
5	Bounds check (BOUND instruction)
6	Invalid opcode
7	Coprocessor not available
8	Double fault
9	(reserved)
10	Invalid TSS
11	Segment not present
12	Stack exception
13	General protection
14	Page fault
15	(reserved)
16	Coprecessor error
17-31	(reserved)
32-255	Available for external interrupts via INTR pin

Definition in file exception.c.

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