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| author | Michael Ellerman <mpe@ellerman.id.au> | 2017-08-08 09:39:21 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-08-10 16:31:30 +0300 |
| commit | 0d0935b367b41394aae9d9ee45fb9a2317b8baf7 (patch) | |
| tree | 1ddc45f52e3c01e4a5b68e41f7200f3c99b0a831 | |
| parent | bfa9a2eb925422b05b99c3b64a8f757025319f59 (diff) | |
| download | linux-0d0935b367b41394aae9d9ee45fb9a2317b8baf7.tar.xz | |
powerpc/4xx: Move machine_check_4xx() into platforms/4xx
Now that we have 4xx platform directory we can move the 4xx machine
check handler in there. Again we drop get_mc_reason() and replace it
with regs->dsisr directly (which is actually SPRN_ESR).
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 18 | ||||
| -rw-r--r-- | arch/powerpc/platforms/4xx/Makefile | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/4xx/machine_check.c | 26 |
3 files changed, 28 insertions, 18 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 69b54abfc89e..8d1f79b30ff2 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -428,23 +428,7 @@ static inline int check_io_access(struct pt_regs *regs) #define clear_single_step(regs) ((regs)->msr &= ~MSR_SE) #endif -#if defined(CONFIG_4xx) -int machine_check_4xx(struct pt_regs *regs) -{ - unsigned long reason = get_mc_reason(regs); - - if (reason & ESR_IMCP) { - printk("Instruction"); - mtspr(SPRN_ESR, reason & ~ESR_IMCP); - } else - printk("Data"); - printk(" machine check in kernel mode.\n"); - - return 0; -} - - -#elif defined(CONFIG_E500) +#if defined(CONFIG_E500) int machine_check_e500mc(struct pt_regs *regs) { unsigned long mcsr = mfspr(SPRN_MCSR); diff --git a/arch/powerpc/platforms/4xx/Makefile b/arch/powerpc/platforms/4xx/Makefile index 0d4b65c88d66..9779c32db34e 100644 --- a/arch/powerpc/platforms/4xx/Makefile +++ b/arch/powerpc/platforms/4xx/Makefile @@ -1,4 +1,4 @@ -obj-y += uic.o +obj-y += uic.o machine_check.o obj-$(CONFIG_PPC4xx_OCM) += ocm.o obj-$(CONFIG_4xx_SOC) += soc.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/powerpc/platforms/4xx/machine_check.c b/arch/powerpc/platforms/4xx/machine_check.c new file mode 100644 index 000000000000..aa039dfaf82f --- /dev/null +++ b/arch/powerpc/platforms/4xx/machine_check.c @@ -0,0 +1,26 @@ +/* + * 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_4xx(struct pt_regs *regs) +{ + unsigned long reason = regs->dsisr; + + if (reason & ESR_IMCP) { + printk("Instruction"); + mtspr(SPRN_ESR, reason & ~ESR_IMCP); + } else + printk("Data"); + printk(" machine check in kernel mode.\n"); + + return 0; +} |