diff options
Diffstat (limited to 'poky/meta/recipes-devtools/syslinux/syslinux/0006-linux-syslinux-implement-write_to_ext-and-add-syslin.patch')
| -rw-r--r-- | poky/meta/recipes-devtools/syslinux/syslinux/0006-linux-syslinux-implement-write_to_ext-and-add-syslin.patch | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/poky/meta/recipes-devtools/syslinux/syslinux/0006-linux-syslinux-implement-write_to_ext-and-add-syslin.patch b/poky/meta/recipes-devtools/syslinux/syslinux/0006-linux-syslinux-implement-write_to_ext-and-add-syslin.patch new file mode 100644 index 000000000..cba87252a --- /dev/null +++ b/poky/meta/recipes-devtools/syslinux/syslinux/0006-linux-syslinux-implement-write_to_ext-and-add-syslin.patch @@ -0,0 +1,215 @@ +From 922e56c10e36d876777580c84daef9a66bea6525 Mon Sep 17 00:00:00 2001 +From: Robert Yang <liezhi.yang@windriver.com> +Date: Wed, 31 Dec 2014 17:20:43 +0800 +Subject: [PATCH 6/9] linux/syslinux: implement write_to_ext() and add + syslinuxext.c + +* The write_to_ext() write file to the extX device, and handle the boot + sector. +* The syslinuxext.c is used for placing the code which are used by + extlinux and syslinux (which is syslinux_patch_bootsect()). + +Upstream-Status: Submitted + +Signed-off-by: Robert Yang <liezhi.yang@windriver.com> +Tested-by: Du Dolpher <dolpher.du@intel.com> +--- + libinstaller/syslinuxext.c | 7 +++ + libinstaller/syslinuxext.h | 5 ++ + linux/Makefile | 3 +- + linux/syslinux.c | 118 +++++++++++++++++++++++++++++++++++++++++++++ + 4 files changed, 132 insertions(+), 1 deletion(-) + create mode 100644 libinstaller/syslinuxext.c + create mode 100644 libinstaller/syslinuxext.h + +diff --git a/libinstaller/syslinuxext.c b/libinstaller/syslinuxext.c +new file mode 100644 +index 0000000..bb54cef +--- /dev/null ++++ b/libinstaller/syslinuxext.c +@@ -0,0 +1,7 @@ ++#define _GNU_SOURCE ++ ++/* Patch syslinux_bootsect */ ++void syslinux_patch_bootsect(int dev_fd) ++{ ++} ++ +diff --git a/libinstaller/syslinuxext.h b/libinstaller/syslinuxext.h +new file mode 100644 +index 0000000..8abd8b9 +--- /dev/null ++++ b/libinstaller/syslinuxext.h +@@ -0,0 +1,5 @@ ++#ifndef EXT2_SUPER_OFFSET ++#define EXT2_SUPER_OFFSET 1024 ++#endif ++ ++void syslinux_patch_bootsect(int dev_fd); +diff --git a/linux/Makefile b/linux/Makefile +index ac1ac58..3b23867 100644 +--- a/linux/Makefile ++++ b/linux/Makefile +@@ -30,7 +30,8 @@ SRCS = syslinux.c \ + ../libinstaller/syslxmod.c \ + ../libinstaller/bootsect_bin.c \ + ../libinstaller/ldlinuxc32_bin.c \ +- ../libinstaller/ldlinux_bin.c ++ ../libinstaller/ldlinux_bin.c \ ++ ../libinstaller/syslinuxext.c + OBJS = $(patsubst %.c,%.o,$(notdir $(SRCS))) + + .SUFFIXES: .c .o .i .s .S +diff --git a/linux/syslinux.c b/linux/syslinux.c +index de5d272..f0c97a8 100755 +--- a/linux/syslinux.c ++++ b/linux/syslinux.c +@@ -46,6 +46,7 @@ + #include <sys/types.h> + #include <sys/wait.h> + #include <sys/mount.h> ++#include <time.h> + + #include "linuxioctl.h" + +@@ -72,6 +73,7 @@ + #include "syslxfs.h" + #include "setadv.h" + #include "syslxopt.h" /* unified options */ ++#include "syslinuxext.h" + #include <ext2fs/ext2fs.h> + + extern const char *program; /* Name of program */ +@@ -419,6 +421,12 @@ int install_bootblock(int fd, const char *device) + { + } + ++/* Construct the boot file map */ ++int ext_construct_sectmap_fs(ext2_filsys fs, ext2_ino_t newino, ++ sector_t *sectors, int nsect) ++{ ++} ++ + static int handle_adv_on_ext(void) + { + int i, retval, found_file; +@@ -524,6 +532,116 @@ fail: + static int write_to_ext(const char *filename, const char *str, int length, + int i_flags, int dev_fd, const char *subdir) + { ++ ext2_ino_t newino; ++ struct ext2_inode inode; ++ int retval, i, modbytes, nsect; ++ ext2_file_t e2_file; ++ sector_t *sectors; ++ ++ /* Remove it if it is already exists */ ++ retval = ext2fs_namei(e2fs, root, cwd, filename, &newino); ++ if (retval == 0) { ++ retval = ext2fs_unlink(e2fs, cwd, filename, newino, 0); ++ if (retval) { ++ fprintf(stderr, "%s: failed to unlink: %s\n", program, filename); ++ return retval; ++ } ++ } ++ ++ /* Create new inode */ ++ retval = ext2fs_new_inode(e2fs, cwd, 010755, 0, &newino); ++ if (retval) { ++ fprintf(stderr, "%s: ERROR: failed to create inode for: %s\n", ++ program, filename); ++ return retval; ++ } ++ ++ /* Link the inode and the filename */ ++ retval = ext2fs_link(e2fs, cwd, filename, newino, EXT2_FT_REG_FILE); ++ if (retval) { ++ fprintf(stderr, "%s: ERROR: failed to link inode for: %s.\n", ++ program, filename); ++ return retval; ++ } ++ ++ if (ext2fs_test_inode_bitmap2(e2fs->inode_map, newino)) ++ fprintf(stderr, "%s: warning: inode already set %s.\n", ++ program, filename); ++ ++ ext2fs_inode_alloc_stats2(e2fs, newino, +1, 0); ++ memset(&inode, 0, sizeof(inode)); ++ inode.i_mode = LINUX_S_IFREG | LINUX_S_IRUSR | LINUX_S_IRGRP ++ | LINUX_S_IROTH; ++ inode.i_flags |= i_flags; ++ inode.i_atime = inode.i_ctime = inode.i_mtime = ++ e2fs->now ? e2fs->now : time(0); ++ inode.i_links_count = 1; ++ if (e2fs->super->s_feature_incompat & ++ EXT3_FEATURE_INCOMPAT_EXTENTS) { ++ struct ext3_extent_header *eh; ++ ++ eh = (struct ext3_extent_header *) &inode.i_block[0]; ++ eh->eh_depth = 0; ++ eh->eh_entries = 0; ++ eh->eh_magic = ext2fs_cpu_to_le16(EXT3_EXT_MAGIC); ++ i = (sizeof(inode.i_block) - sizeof(*eh)) / ++ sizeof(struct ext3_extent); ++ eh->eh_max = ext2fs_cpu_to_le16(i); ++ inode.i_flags |= EXT4_EXTENTS_FL; ++ } ++ ++ retval = ext2fs_write_new_inode(e2fs, newino, &inode); ++ if (retval) { ++ fprintf(stderr, "%s: ERROR: while writting inode %d.\n", ++ program, newino); ++ return 1; ++ } ++ ++ retval = ext2fs_file_open(e2fs, newino, EXT2_FILE_WRITE, &e2_file); ++ if (retval) { ++ fprintf(stderr, "%s: ERROR: failed to open %s.\n", ++ program, filename); ++ return 1; ++ } ++ ++ /* Write to file */ ++ if (ext_file_write(e2_file, str, length, 0) == -1) ++ goto fail; ++ ++ if (strcmp(filename, "ldlinux.sys") == 0) { ++ /* Write ADV */ ++ if (ext_file_write(e2_file, syslinux_adv, 2 * ADV_SIZE, ++ boot_image_len) == -1) ++ goto fail; ++ ++ /* Patch syslinux_bootsect */ ++ syslinux_patch_bootsect(dev_fd); ++ ++ /* Patch ldlinux.sys */ ++ nsect = (boot_image_len + SECTOR_SIZE - 1) >> SECTOR_SHIFT; ++ nsect += 2; /* Two sectors for the ADV */ ++ sectors = alloca(sizeof(sector_t) * nsect); ++ memset(sectors, 0, nsect * sizeof *sectors); ++ /* The sectors will be modified and used by syslinux_patch() */ ++ retval = ext_construct_sectmap_fs(e2fs, newino, sectors, nsect); ++ if (retval) ++ goto fail; ++ ++ /* Create the modified image in memory */ ++ modbytes = syslinux_patch(sectors, nsect, opt.stupid_mode, ++ opt.raid_mode, subdir, NULL); ++ ++ /* Rewrite the first modbytes of ldlinux.sys */ ++ if (ext_file_write(e2_file, str, modbytes, 0) == -1) { ++ fprintf(stderr, "%s: ERROR: failed to patch %s.\n", program, ++ filename); ++ goto fail; ++ } ++ } ++ ++fail: ++ (void) ext2fs_file_close(e2_file); ++ return retval; + } + + /* The install func for ext2, ext3 and ext4 */ +-- +1.9.1 + |
