diff options
| author | Wang Nan <wangnan0@huawei.com> | 2014-05-29 17:20:03 +0800 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2014-05-30 14:24:41 +0900 |
| commit | 3c9c3b1c4688178f328f3924eed96c308e0e611c (patch) | |
| tree | 163e8e948fdc1c3ad7f2c655bc854905fa134d76 /kexec/arch/arm/kexec-zImage-arm.c | |
| parent | 199bc59ca34ef1a0ce78aa9aa054dac53c5751bb (diff) | |
kexec-tools: add --page-offset option for ARM
When KALLSYMS is disabled or /proc is not mounted, this patch allows
--page-offset cmdline option for user to setup correct page_offset.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'kexec/arch/arm/kexec-zImage-arm.c')
| -rw-r--r-- | kexec/arch/arm/kexec-zImage-arm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c index bc99e79..44b87bb 100644 --- a/kexec/arch/arm/kexec-zImage-arm.c +++ b/kexec/arch/arm/kexec-zImage-arm.c @@ -25,6 +25,7 @@ off_t initrd_base = 0, initrd_size = 0; unsigned int kexec_arm_image_size = 0; +unsigned long long user_page_offset = (-1ULL); struct tag_header { uint32_t size; @@ -104,6 +105,8 @@ void zImage_arm_usage(void) " --ramdisk=FILE Use FILE as the kernel's initial ramdisk.\n" " --dtb=FILE Use FILE as the fdt blob.\n" " --atags Use ATAGs instead of device-tree.\n" + " --page-offset=PAGE_OFFSET\n" + " Set PAGE_OFFSET of crash dump vmcore\n" ); } @@ -306,6 +309,7 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, { "dtb", 1, 0, OPT_DTB }, { "atags", 0, 0, OPT_ATAGS }, { "image-size", 1, 0, OPT_IMAGE_SIZE }, + { "page-offset", 1, 0, OPT_PAGE_OFFSET }, { 0, 0, 0, 0 }, }; static const char short_options[] = KEXEC_ARCH_OPT_STR "a:r:"; @@ -342,6 +346,9 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len, case OPT_IMAGE_SIZE: kexec_arm_image_size = strtoul(optarg, &end, 0); break; + case OPT_PAGE_OFFSET: + user_page_offset = strtoull(optarg, &end, 0); + break; } } |