diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2005-12-04 18:39:23 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-01-09 14:52:14 +1100 |
| commit | 398ab1fcb960ea0800f40a9c36355855e3e23389 (patch) | |
| tree | eb7eda3afffb3c99fc57b1064c7501e0ee2cf931 /arch/powerpc | |
| parent | 4693c09a47203d79a9adb69acaf3b3bb3dcf9390 (diff) | |
[PATCH] powerpc: Add CONFIG_CRASH_DUMP
This patch adds a Kconfig variable, CONFIG_CRASH_DUMP, which configures the
built kernel for use as a Kdump kernel.
Currently "all" this involves is changing the value of KERNELBASE to 32 MB.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/Kconfig | 11 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 3 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 2c1186ada3a..773b880d557 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -379,6 +379,17 @@ config CELL_IIC bool default y +config CRASH_DUMP + bool "kernel crash dumps (EXPERIMENTAL)" + depends on PPC_MULTIPLATFORM + depends on EXPERIMENTAL + help + Build a kernel suitable for use as a kdump capture kernel. + The kernel will be linked at a different address than normal, and + so can only be used for Kdump. + + Don't change this unless you know what you are doing. + config IBMVIO depends on PPC_PSERIES || PPC_ISERIES bool diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 65603e9af98..6509dd7c2f8 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -512,6 +512,9 @@ void __init setup_system(void) ppc64_caches.iline_size); printk("htab_address = 0x%p\n", htab_address); printk("htab_hash_mask = 0x%lx\n", htab_hash_mask); +#if PHYSICAL_START > 0 + printk("physical_start = 0x%x\n", PHYSICAL_START); +#endif printk("-----------------------------------------------------\n"); mm_init_ppc64(); |