diff options
author | Suzuki K. Poulose <suzuki@in.ibm.com> | 2013-03-06 14:11:37 +0530 |
---|---|---|
committer | Simon Horman <horms@verge.net.au> | 2013-03-08 13:57:30 +0900 |
commit | e73d481c4add17ee953c80bb4be72372d90d93d3 (patch) | |
tree | 0b4bedfeaec66990df2366584d9c7f0d0e63bdf1 | |
parent | 99a3a977990619cbd179b2b1435989785c9ee919 (diff) | |
download | kexec-tools-e73d481c4add17ee953c80bb4be72372d90d93d3.tar.gz |
ppc/uImage: Add support for RAM Disks
Handle the RAM Disks in uImage format
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
-rw-r--r-- | kexec/arch/ppc/kexec-uImage-ppc.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/kexec/arch/ppc/kexec-uImage-ppc.c b/kexec/arch/ppc/kexec-uImage-ppc.c index ccaf6d7f..900cd166 100644 --- a/kexec/arch/ppc/kexec-uImage-ppc.c +++ b/kexec/arch/ppc/kexec-uImage-ppc.c @@ -46,6 +46,31 @@ void uImage_ppc_usage(void) ); } +/* + * Load the ramdisk into buffer. + * If the supplied image is in uImage format use + * uImage_load() to read the payload from the image. + */ +char *slurp_ramdisk_ppc(const char *filename, off_t *r_size) +{ + struct Image_info img; + off_t size; + const unsigned char *buf = slurp_file(filename, &size); + + /* Check if this is a uImage RAMDisk */ + if (buf && + uImage_probe_ramdisk(buf, size, IH_ARCH_PPC) == 0) { + if (uImage_load(buf, size, &img) != 0) + die("uImage: Reading %ld bytes from %s failed\n", + size, filename); + buf = img.buf; + size = img.len; + } + + *r_size = size; + return buf; +} + int uImage_ppc_probe(const char *buf, off_t len) { return uImage_probe_kernel(buf, len, IH_ARCH_PPC); @@ -194,7 +219,7 @@ static int ppc_load_bare_bits(int argc, char **argv, const char *buf, blob_buf = fixup_dtb_init(info, blob_buf, &blob_size, load_addr, &dtb_addr); if (ramdisk) { - seg_buf = slurp_file(ramdisk, &seg_size); + seg_buf = slurp_ramdisk_ppc(ramdisk, &seg_size); /* Load ramdisk at top of memory */ hole_addr = add_buffer(info, seg_buf, seg_size, seg_size, 0, dtb_addr + blob_size, max_addr, -1); |