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authorKumar Gala <galak@kernel.crashing.org>2006-05-05 00:02:08 -0500
committerKumar Gala <galak@kernel.crashing.org>2006-05-05 00:02:08 -0500
commit7e990266c845d7f712c96013891aaf74baef198f (patch)
tree92bc569003abdfd53b53f1081132469d92497ded /arch/powerpc
parent5a43ee65620d628ba04deecf241b63b2410b97f2 (diff)
powerpc: provide ppc_md.panic() for both ppc32 & ppc64
Allow boards to provide a panic callback on ppc32. Moved the code to sets this up into setup-common.c so its shared between ppc32 & ppc64. Also moved do_init_bootmem prototype into setup.h. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/setup-common.c17
-rw-r--r--arch/powerpc/kernel/setup.h2
-rw-r--r--arch/powerpc/kernel/setup_32.c5
-rw-r--r--arch/powerpc/kernel/setup_64.c18
4 files changed, 23 insertions, 19 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 684ab1d49c65..88de557fe046 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -524,3 +524,20 @@ int check_legacy_ioport(unsigned long base_port)
return ppc_md.check_legacy_ioport(base_port);
}
EXPORT_SYMBOL(check_legacy_ioport);
+
+static int ppc_panic_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ ppc_md.panic(ptr); /* May not return */
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block ppc_panic_block = {
+ .notifier_call = ppc_panic_event,
+ .priority = INT_MIN /* may not return; must be done last */
+};
+
+void __init setup_panic(void)
+{
+ atomic_notifier_chain_register(&panic_notifier_list, &ppc_panic_block);
+}
diff --git a/arch/powerpc/kernel/setup.h b/arch/powerpc/kernel/setup.h
index 2ebba755272e..e67066c1933e 100644
--- a/arch/powerpc/kernel/setup.h
+++ b/arch/powerpc/kernel/setup.h
@@ -2,5 +2,7 @@
#define _POWERPC_KERNEL_SETUP_H
void check_for_initrd(void);
+void do_init_bootmem(void);
+void setup_panic(void);
#endif /* _POWERPC_KERNEL_SETUP_H */
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 69ac25701344..88832b3ee661 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -235,8 +235,6 @@ arch_initcall(ppc_init);
/* Warning, IO base is not yet inited */
void __init setup_arch(char **cmdline_p)
{
- extern void do_init_bootmem(void);
-
/* so udelay does something sensible, assume <= 1000 bogomips */
loops_per_jiffy = 500000000 / HZ;
@@ -285,6 +283,9 @@ void __init setup_arch(char **cmdline_p)
/* reboot on panic */
panic_timeout = 180;
+ if (ppc_md.panic)
+ setup_panic();
+
init_mm.start_code = PAGE_OFFSET;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 4467c49903b6..ab6ea37a77aa 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -100,12 +100,6 @@ unsigned long SYSRQ_KEY;
#endif /* CONFIG_MAGIC_SYSRQ */
-static int ppc64_panic_event(struct notifier_block *, unsigned long, void *);
-static struct notifier_block ppc64_panic_block = {
- .notifier_call = ppc64_panic_event,
- .priority = INT_MIN /* may not return; must be done last */
-};
-
#ifdef CONFIG_SMP
static int smt_enabled_cmdline;
@@ -456,13 +450,6 @@ void __init setup_system(void)
DBG(" <- setup_system()\n");
}
-static int ppc64_panic_event(struct notifier_block *this,
- unsigned long event, void *ptr)
-{
- ppc_md.panic((char *)ptr); /* May not return */
- return NOTIFY_DONE;
-}
-
#ifdef CONFIG_IRQSTACKS
static void __init irqstack_early_init(void)
{
@@ -517,8 +504,6 @@ static void __init emergency_stack_init(void)
*/
void __init setup_arch(char **cmdline_p)
{
- extern void do_init_bootmem(void);
-
ppc64_boot_msg(0x12, "Setup Arch");
*cmdline_p = cmd_line;
@@ -535,8 +520,7 @@ void __init setup_arch(char **cmdline_p)
panic_timeout = 180;
if (ppc_md.panic)
- atomic_notifier_chain_register(&panic_notifier_list,
- &ppc64_panic_block);
+ setup_panic();
init_mm.start_code = PAGE_OFFSET;
init_mm.end_code = (unsigned long) _etext;