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Commit f70b1e8d authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/8xx: Move 8xx machine check handlers into platforms/8xx 



In the same spirit as what was done for 4xx and 44x, move
the 8xx machine check into platforms/8xx

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 0e23e7b3

arch/powerpc/kernel/traps.c

+0 −25
Original line number Diff line number Diff line
@@ -560,31 +560,6 @@ int machine_check_e200(struct pt_regs *regs) 


	return 0;

}

#elif defined(CONFIG_PPC_8xx)

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

}

#elif defined(CONFIG_PPC32)

int machine_check_generic(struct pt_regs *regs)

{

arch/powerpc/platforms/8xx/Makefile

+1 −1
Original line number Diff line number Diff line 
#

# Makefile for the PowerPC 8xx linux kernel.

#

obj-y			+= m8xx_setup.o

obj-y			+= m8xx_setup.o machine_check.o

obj-$(CONFIG_MPC885ADS)   += mpc885ads_setup.o

obj-$(CONFIG_MPC86XADS)   += mpc86xads_setup.o

obj-$(CONFIG_PPC_EP88XC)  += ep88xc.o

arch/powerpc/platforms/8xx/machine_check.c

0 → 100644
+37 −0
Original line number Diff line number Diff line 
/*

 * 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

}