diff options
Diffstat (limited to 'fs/romfs')
| -rw-r--r-- | fs/romfs/Makefile | 49 | ||||
| -rw-r--r-- | fs/romfs/romfs.c | 240 |
2 files changed, 0 insertions, 289 deletions
diff --git a/fs/romfs/Makefile b/fs/romfs/Makefile deleted file mode 100644 index 937d755..0000000 --- a/fs/romfs/Makefile +++ /dev/null @@ -1,49 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)libromfs.a - -AOBJS = -COBJS = romfs.o - -SRCS := $(AOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS)) - -#CPPFLAGS += - -all: $(LIB) $(AOBJS) - -$(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/fs/romfs/romfs.c b/fs/romfs/romfs.c deleted file mode 100644 index 15de3e1..0000000 --- a/fs/romfs/romfs.c +++ /dev/null @@ -1,240 +0,0 @@ -/* - * (C) Copyright 2007 Michal Simek - * - * Michal SIMEK <monstr@monstr.eu> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <malloc.h> -#include <command.h> - -#if defined(CONFIG_CMD_JFFS2) - -#include <asm/byteorder.h> -#include <linux/stat.h> -#include <jffs2/jffs2.h> -#include <jffs2/load_kernel.h> - -#undef DEBUG_ROMFS - -/* ROMFS superblock */ -struct romfs_super { - u32 word0; - u32 word1; - u32 size; - u32 checksum; - char name[0]; -}; - -struct romfs_inode { - u32 next; - u32 spec; - u32 size; - u32 checksum; - char name[0]; -}; - -extern flash_info_t flash_info[]; -#define PART_OFFSET(x) (x->offset + flash_info[x->dev->id->num].start[0]) -#define ALIGN(x) (((x) & 0xfffffff0)) -#define HEADERSIZE(name) (0x20 + ALIGN(strlen(name))) - -static unsigned long romfs_resolve (unsigned long begin, unsigned long offset, - unsigned long size, int raw, char *filename) -{ - unsigned long inodeoffset = 0, nextoffset; - struct romfs_inode *inode; -#ifdef DEBUG_ROMFS - printf ("ROMFS_resolve: begin 0x%x, offset 0x%x, size 0x%x, raw 0x%x, \ - filename %s\n", begin, offset, size, raw, filename); -#endif - - while (inodeoffset < size) { - inode = (struct romfs_inode *)(begin + offset + inodeoffset); - offset = 0; - nextoffset = ALIGN (inode->next); -#ifdef DEBUG_ROMFS - printf("inode 0x%x, name %s - len 0x%x, next inode 0x%x, \ - compare names 0x%x\n", - inode, inode->name, strlen (inode->name), nextoffset, - strncmp (filename, inode->name, strlen (filename))); -#endif - if (!strncmp (filename, inode->name, strlen (inode->name))) { - char *p = strtok (NULL, "/"); - if (raw && (p == NULL || *p == '\0')) { - return offset + inodeoffset; - } - return romfs_resolve (begin, - inodeoffset + HEADERSIZE (inode->name), - size, raw, p); - } - inodeoffset = nextoffset; - } - - printf ("can't find corresponding entry\n"); - return 0; -} - -int romfs_load (char *loadoffset, struct part_info *info, char *filename) -{ - struct romfs_inode *inode; - struct romfs_super *sb; - char *data; - int pocet; - sb = (struct romfs_super *) PART_OFFSET (info); - - unsigned long offset; - - offset = romfs_resolve (PART_OFFSET (info), HEADERSIZE (sb->name), - sb->size, 1, strtok (filename, "/")); - if (offset <= 0) - return offset; - - inode = (struct romfs_inode *)(PART_OFFSET (info) + offset); - data = (char *)((int)inode + HEADERSIZE (inode->name)); - pocet = inode->size; - while (pocet--) { - *loadoffset++ = *data++; - } - return inode->size; -} - -static int romfs_list_inode (struct part_info *info, unsigned long offset) -{ - struct romfs_inode *inode = - (struct romfs_inode *)(PART_OFFSET (info) + offset); - struct romfs_inode *hardlink = NULL; - char str[3], *data; - -/* - * mapping spec.info means - * 0 hard link link destination [file header] - * 1 directory first file's header - * 2 regular file unused, must be zero [MBZ] - * 3 symbolic link unused, MBZ (file data is the link content) - * 4 block device 16/16 bits major/minor number - * 5 char device - " - - * 6 socket unused, MBZ - * 7 fifo unused, MBZ - */ - char attributes[] = "hdflbcsp"; - str[0] = attributes[inode->next & 0x7]; - str[1] = (inode->next & 0x8) ? 'x' : '-'; - str[2] = '\0'; - - if ((str[0] == 'b') || (str[0] == 'c')) { -#ifdef DEBUG_ROMFS - printf (" %s %3d,%3d %12s 0x%08x 0x%08x", str, - (inode->spec & 0xffff0000) >> 16, - inode->spec & 0x0000ffff, inode->name, inode, - inode->spec); -#else - printf (" %s %3d,%3d %12s", str, - (inode->spec & 0xffff0000) >> 16, - inode->spec & 0x0000ffff); -#endif - } else { -#ifdef DEBUG_ROMFS - printf (" %s %7d %12s 0x%08x 0x%08x", str, inode->size, - inode->name, inode, inode->spec); -#else - printf (" %s %7d %12s", str, inode->size, inode->name); -#endif - if (str[0] == 'l') { - data = (char *)((int)inode + HEADERSIZE (inode->name)); - puts (" -> "); - puts (data); - } - if (str[0] == 'h') { - hardlink = (struct romfs_inode *)(PART_OFFSET (info) + - inode->spec); - puts (" -> "); - puts (hardlink->name); - } - } - puts ("\n"); - return ALIGN (inode->next); -} - -int romfs_ls (struct part_info *info, char *filename) -{ - struct romfs_inode *inode; - unsigned long inodeoffset = 0, nextoffset; - unsigned long offset, size; - struct romfs_super *sb; - sb = (struct romfs_super *)PART_OFFSET (info); - - if (strlen (filename) == 0 || !strcmp (filename, "/")) { - offset = HEADERSIZE (sb->name); - size = sb->size; - } else { - offset = romfs_resolve (PART_OFFSET (info), - HEADERSIZE (sb->name), sb->size, 1, - strtok (filename, "/")); - - if (offset == 0) { - return offset; - } - inode = (struct romfs_inode *)(PART_OFFSET (info) + offset); - if ((inode->next & 0x7) != 1) { - return (romfs_list_inode (info, offset) > 0); - } - - size = sb->size; - offset = offset + HEADERSIZE (inode->name); - } - - inodeoffset = offset + inodeoffset; - while (inodeoffset < size) { - nextoffset = romfs_list_inode (info, inodeoffset); - if (nextoffset == 0) - break; - inodeoffset = nextoffset; - } - return 1; -} - -int romfs_info (struct part_info *info) -{ - struct romfs_super *sb; - sb = (struct romfs_super *)PART_OFFSET (info); - - printf ("name: \t\t%s, len %d B\n", sb->name, strlen (sb->name)); - printf ("size of SB:\t%d B\n", HEADERSIZE (sb->name)); - printf ("full size:\t%d B\n", sb->size); - printf ("checksum:\t0x%x\n", sb->checksum); - return 0; -} - -int romfs_check (struct part_info *info) -{ - struct romfs_super *sb; - if (info->dev->id->type != MTD_DEV_TYPE_NOR) - return 0; - - sb = (struct romfs_super *)PART_OFFSET (info); - if ((sb->word0 != 0x2D726F6D) || (sb->word1 != 0x3166732D)) { - return 0; - } - return 1; -} - -#endif |