diff options
author | Michael Ellerman <michael@ellerman.id.au> | 2006-07-05 04:39:42 (GMT) |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2006-08-17 06:41:10 (GMT) |
commit | 47585d8f5dea10dea49c948f1fb13ef7632409c7 (patch) | |
tree | d9386ca930b7470e64f3d60076e3cf72f1b22c75 /arch | |
parent | 90bdde362cc506173c1d18b8f516b18e5b228e96 (diff) | |
download | linux-fsl-qoriq-47585d8f5dea10dea49c948f1fb13ef7632409c7.tar.xz |
[POWERPC] Move some kexec logic into machine_kexec.c
We're missing a few functions for kexec to compile on 32-bit. There's
nothing really 64-bit specific about the 64-bit versions, so make them
generic rather than adding empty definitions for 32-bit.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kernel/machine_kexec.c | 56 | ||||
-rw-r--r-- | arch/powerpc/kernel/machine_kexec_64.c | 56 |
2 files changed, 56 insertions, 56 deletions
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index a81ca1b..e60a0c5 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -13,6 +13,7 @@ #include <linux/reboot.h> #include <linux/threads.h> #include <asm/machdep.h> +#include <asm/lmb.h> void machine_crash_shutdown(struct pt_regs *regs) { @@ -59,3 +60,58 @@ NORET_TYPE void machine_kexec(struct kimage *image) } for(;;); } + +static int __init early_parse_crashk(char *p) +{ + unsigned long size; + + if (!p) + return 1; + + size = memparse(p, &p); + + if (*p == '@') + crashk_res.start = memparse(p + 1, &p); + else + crashk_res.start = KDUMP_KERNELBASE; + + crashk_res.end = crashk_res.start + size - 1; + + return 0; +} +early_param("crashkernel", early_parse_crashk); + +void __init reserve_crashkernel(void) +{ + unsigned long size; + + if (crashk_res.start == 0) + return; + + /* We might have got these values via the command line or the + * device tree, either way sanitise them now. */ + + size = crashk_res.end - crashk_res.start + 1; + + if (crashk_res.start != KDUMP_KERNELBASE) + printk("Crash kernel location must be 0x%x\n", + KDUMP_KERNELBASE); + + crashk_res.start = KDUMP_KERNELBASE; + size = PAGE_ALIGN(size); + crashk_res.end = crashk_res.start + size - 1; + + /* Crash kernel trumps memory limit */ + if (memory_limit && memory_limit <= crashk_res.end) { + memory_limit = crashk_res.end + 1; + printk("Adjusted memory limit for crashkernel, now 0x%lx\n", + memory_limit); + } + + lmb_reserve(crashk_res.start, size); +} + +int overlaps_crashkernel(unsigned long start, unsigned long size) +{ + return (start + size) > crashk_res.start && start <= crashk_res.end; +} diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index b438d45..b6db19d 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -21,7 +21,6 @@ #include <asm/machdep.h> #include <asm/cacheflush.h> #include <asm/paca.h> -#include <asm/lmb.h> #include <asm/mmu.h> #include <asm/sections.h> /* _end */ #include <asm/prom.h> @@ -385,58 +384,3 @@ static int __init kexec_setup(void) return 0; } __initcall(kexec_setup); - -static int __init early_parse_crashk(char *p) -{ - unsigned long size; - - if (!p) - return 1; - - size = memparse(p, &p); - - if (*p == '@') - crashk_res.start = memparse(p + 1, &p); - else - crashk_res.start = KDUMP_KERNELBASE; - - crashk_res.end = crashk_res.start + size - 1; - - return 0; -} -early_param("crashkernel", early_parse_crashk); - -void __init reserve_crashkernel(void) -{ - unsigned long size; - - if (crashk_res.start == 0) - return; - - /* We might have got these values via the command line or the - * device tree, either way sanitise them now. */ - - size = crashk_res.end - crashk_res.start + 1; - - if (crashk_res.start != KDUMP_KERNELBASE) - printk("Crash kernel location must be 0x%x\n", - KDUMP_KERNELBASE); - - crashk_res.start = KDUMP_KERNELBASE; - size = PAGE_ALIGN(size); - crashk_res.end = crashk_res.start + size - 1; - - /* Crash kernel trumps memory limit */ - if (memory_limit && memory_limit <= crashk_res.end) { - memory_limit = crashk_res.end + 1; - printk("Adjusted memory limit for crashkernel, now 0x%lx\n", - memory_limit); - } - - lmb_reserve(crashk_res.start, size); -} - -int overlaps_crashkernel(unsigned long start, unsigned long size) -{ - return (start + size) > crashk_res.start && start <= crashk_res.end; -} |