43 lines
1012 B
C
43 lines
1012 B
C
|
/*
|
||
|
|
* Architecture specific (i386) functions for kexec based crash dumps.
|
||
|
|
*
|
||
|
|
* Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
|
||
|
|
*
|
||
|
|
* Copyright (C) IBM Corporation, 2004. All rights reserved.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/smp.h>
|
||
|
|
#include <linux/irq.h>
|
||
|
|
#include <linux/reboot.h>
|
||
|
|
#include <linux/kexec.h>
|
||
|
|
#include <linux/irq.h>
|
||
|
|
#include <linux/delay.h>
|
||
|
|
#include <linux/elf.h>
|
||
|
|
#include <linux/elfcore.h>
|
||
|
|
|
||
|
|
#include <asm/processor.h>
|
||
|
|
#include <asm/hardirq.h>
|
||
|
|
#include <asm/nmi.h>
|
||
|
|
#include <asm/hw_irq.h>
|
||
|
|
|
||
|
|
#define MAX_NOTE_BYTES 1024
|
||
|
|
typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
|
||
|
|
|
||
|
|
note_buf_t crash_notes[NR_CPUS];
|
||
|
|
|
||
|
|
void machine_crash_shutdown(void)
|
||
|
|
{
|
||
|
|
/* This function is only called after the system
|
||
|
|
* has paniced or is otherwise in a critical state.
|
||
|
|
* The minimum amount of code to allow a kexec'd kernel
|
||
|
|
* to run successfully needs to happen here.
|
||
|
|
*
|
||
|
|
* In practice this means shooting down the other cpus in
|
||
|
|
* an SMP system.
|
||
|
|
*/
|
||
|
|
}
|