mirror of
https://git.yoctoproject.org/poky
synced 2026-02-09 18:23:02 +01:00
b1c27d69f6
* add git headers so that all can be applied with git am (From OE-Core rev: 22fdcdd217b8d5bd4c8e418566302cdafa219e9a) Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From c28aae8bd381f77e66e6bac79761df7a484b054c Mon Sep 17 00:00:00 2001
|
|
From: Robert Yang <liezhi.yang@windriver.com>
|
|
Date: Fri, 2 Jan 2015 12:28:35 +0800
|
|
Subject: [PATCH] linux/syslinux: implement install_bootblock()
|
|
|
|
Refer to the install_bootblock() in extlinux/main.c to make
|
|
linux/syslinux.c's install_bootblock() which only supports ext2/3/4.
|
|
|
|
Upstream-Status: Submitted
|
|
|
|
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
|
|
Tested-by: Du Dolpher <dolpher.du@intel.com>
|
|
---
|
|
linux/syslinux.c | 20 ++++++++++++++++++++
|
|
1 file changed, 20 insertions(+)
|
|
|
|
diff --git a/linux/syslinux.c b/linux/syslinux.c
|
|
index 4e43921..93ed880 100755
|
|
--- a/linux/syslinux.c
|
|
+++ b/linux/syslinux.c
|
|
@@ -420,6 +420,26 @@ static int ext_file_write(ext2_file_t e2_file, const void *buf, size_t count,
|
|
*/
|
|
int install_bootblock(int fd, const char *device)
|
|
{
|
|
+ struct ext2_super_block sb;
|
|
+
|
|
+ if (xpread(fd, &sb, sizeof sb, EXT2_SUPER_OFFSET + opt.offset) != sizeof sb) {
|
|
+ perror("reading superblock");
|
|
+ return 1;
|
|
+ }
|
|
+
|
|
+ if (sb.s_magic != EXT2_SUPER_MAGIC) {
|
|
+ fprintf(stderr,
|
|
+ "no ext2/3/4 superblock found on %s\n", device);
|
|
+ return 1;
|
|
+ }
|
|
+
|
|
+ if (xpwrite(fd, syslinux_bootsect, syslinux_bootsect_len, 0)
|
|
+ != (signed)syslinux_bootsect_len) {
|
|
+ perror("writing bootblock");
|
|
+ return 1;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
}
|
|
|
|
/* The file's block count */
|