xref: /kernel/linux/linux-6.6/arch/powerpc/platforms/4xx/machine_check.c
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162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci */
462306a36Sopenharmony_ci
562306a36Sopenharmony_ci#include <linux/kernel.h>
662306a36Sopenharmony_ci#include <linux/printk.h>
762306a36Sopenharmony_ci#include <linux/ptrace.h>
862306a36Sopenharmony_ci
962306a36Sopenharmony_ci#include <asm/reg.h>
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ciint machine_check_4xx(struct pt_regs *regs)
1262306a36Sopenharmony_ci{
1362306a36Sopenharmony_ci	unsigned long reason = regs->esr;
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_ci	if (reason & ESR_IMCP) {
1662306a36Sopenharmony_ci		printk("Instruction");
1762306a36Sopenharmony_ci		mtspr(SPRN_ESR, reason & ~ESR_IMCP);
1862306a36Sopenharmony_ci	} else
1962306a36Sopenharmony_ci		printk("Data");
2062306a36Sopenharmony_ci	printk(" machine check in kernel mode.\n");
2162306a36Sopenharmony_ci
2262306a36Sopenharmony_ci	return 0;
2362306a36Sopenharmony_ci}
24

Indexes created Thu Nov 07 10:32:03 CST 2024