// SPDX-License-Identifier: GPL-2.0-or-later
|
/*
|
*/
|
|
#include <linux/kernel.h>
|
#include <linux/printk.h>
|
#include <linux/ptrace.h>
|
|
#include <asm/reg.h>
|
|
int machine_check_8xx(struct pt_regs *regs)
|
{
|
unsigned long reason = regs->msr;
|
|
pr_err("Machine check in kernel mode.\n");
|
pr_err("Caused by (from SRR1=%lx): ", reason);
|
if (reason & 0x40000000)
|
pr_cont("Fetch error at address %lx\n", regs->nip);
|
else
|
pr_cont("Data access error at address %lx\n", regs->dar);
|
|
#ifdef CONFIG_PCI
|
/* the qspan pci read routines can cause machine checks -- Cort
|
*
|
* yuck !!! that totally needs to go away ! There are better ways
|
* to deal with that than having a wart in the mcheck handler.
|
* -- BenH
|
*/
|
bad_page_fault(regs, regs->dar, SIGBUS);
|
return 1;
|
#else
|
return 0;
|
#endif
|
}
|
