/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #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_err("Fetch error at address %lx\n", regs->nip); else pr_err("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 }