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