diff options
author | Magnus Damm <damm@igel.co.jp> | 2008-08-27 17:33:17 +1000 |
---|---|---|
committer | Simon Horman <horms@verge.net.au> | 2008-08-27 17:33:17 +1000 |
commit | 61d60261c616d75d6bd380744a78400972dd3e46 (patch) | |
tree | dd1a5466a3b35cc0def4dc9293035ed0ccfc5b24 | |
parent | e64db1cf9213d0ef9ce3c3df0ce9e23b1c2d7604 (diff) |
sh: Use dynamic zImage load address
Dynamically calculate SuperH zImage load address instead of hardcoding.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Simon Horman <horms@verge.net.au>
-rw-r--r-- | kexec/arch/sh/kexec-zImage-sh.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/kexec/arch/sh/kexec-zImage-sh.c b/kexec/arch/sh/kexec-zImage-sh.c index 5e4e860..3758056 100644 --- a/kexec/arch/sh/kexec-zImage-sh.c +++ b/kexec/arch/sh/kexec-zImage-sh.c @@ -75,7 +75,8 @@ int zImage_sh_load(int argc, char **argv, const char *buf, off_t len, { char *command_line; int opt, k; - unsigned long empty_zero, area, zero_page_base, zero_page_size; + unsigned long empty_zero, zero_page_base, zero_page_size; + unsigned long image_base; char *param; static const struct option options[] = { @@ -133,8 +134,12 @@ int zImage_sh_load(int argc, char **argv, const char *buf, off_t len, add_segment(info, param, zero_page_size, 0x80000000 | zero_page_base, zero_page_size); - area = empty_zero & 0x1c000000; - add_segment(info, buf, len, (area | 0x80210000), len); - info->entry = (void *)(0x80210000 | area); + /* load image a bit above the zero page, round up to 64k + * the zImage will relocate itself, but only up seems supported. + */ + + image_base = (empty_zero + (0x10000 - 1)) & ~(0x10000 - 1); + add_segment(info, buf, len, image_base, len); + info->entry = (void *)image_base; return 0; } |