diff options
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | common/cmd_jffs2.c | 52 | ||||
| -rw-r--r-- | fs/Makefile | 2 | ||||
| -rw-r--r-- | fs/romfs/Makefile | 49 | ||||
| -rw-r--r-- | fs/romfs/romfs.c | 270 |
5 files changed, 358 insertions, 21 deletions
@@ -199,7 +199,7 @@ LIBS += cpu/ixp/npe/libnpe.a endif LIBS += lib_$(ARCH)/lib$(ARCH).a LIBS += fs/cramfs/libcramfs.a fs/fat/libfat.a fs/fdos/libfdos.a fs/jffs2/libjffs2.a \ - fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a + fs/reiserfs/libreiserfs.a fs/ext2/libext2fs.a fs/romfs/libromfs.a LIBS += net/libnet.a LIBS += disk/libdisk.a LIBS += rtc/librtc.a @@ -316,14 +316,14 @@ depend dep: tags ctags: ctags -w -o $(OBJTREE)/ctags `find $(SUBDIRS) include \ lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \ - fs/cramfs fs/fat fs/fdos fs/jffs2 \ + fs/cramfs fs/fat fs/fdos fs/jffs2 fs/romfs\ net disk rtc dtt drivers drivers/sk98lin common \ \( -name CVS -prune \) -o \( -name '*.[ch]' -print \)` etags: etags -a -o $(OBJTREE)/etags `find $(SUBDIRS) include \ lib_generic board/$(BOARDDIR) cpu/$(CPU) lib_$(ARCH) \ - fs/cramfs fs/fat fs/fdos fs/jffs2 \ + fs/cramfs fs/fat fs/fdos fs/jffs2 fs/romfs\ net disk rtc dtt drivers drivers/sk98lin common \ \( -name CVS -prune \) -o \( -name '*.[ch]' -print \)` diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index 7fd1fa33d..147ab1096 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -28,7 +28,7 @@ * * 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 + * 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 @@ -85,7 +85,7 @@ */ /* - * JFFS2/CRAMFS support + * JFFS2/CRAMFS/ROMFS support */ #include <common.h> #include <command.h> @@ -110,7 +110,7 @@ #define DEBUG_JFFS #undef DEBUG_JFFS -#ifdef DEBUG_JFFS +#ifdef DEBUG_JFFS # define DEBUGF(fmt, args...) printf(fmt ,##args) #else # define DEBUGF(fmt, args...) @@ -175,6 +175,11 @@ extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename extern int cramfs_ls (struct part_info *info, char *filename); extern int cramfs_info (struct part_info *info); +extern int romfs_check (struct part_info *info); +extern int romfs_load (char *loadoffset, struct part_info *info, char *filename); +extern int romfs_ls (struct part_info *info, char *filename); +extern int romfs_info (struct part_info *info); + static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num); /* command line only routines */ @@ -184,10 +189,10 @@ static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_ static int device_del(struct mtd_device *dev); /** - * Parses a string into a number. The number stored at ptr is + * Parses a string into a number. The number stored at ptr is * potentially suffixed with K (for kilobytes, or 1024 bytes), * M (for megabytes, or 1048576 bytes), or G (for gigabytes, or - * 1073741824). If the number is suffixed with K, M, or G, then + * 1073741824). If the number is suffixed with K, M, or G, then * the return value is the number multiplied by one kilobyte, one * megabyte, or one gigabyte, respectively. * @@ -676,7 +681,7 @@ static int part_parse(const char *const partdef, const char **ret, struct part_i return 1; } - /* allocate memory */ + /* allocate memory */ part = (struct part_info *)malloc(sizeof(struct part_info) + name_len); if (!part) { printf("out of memory\n"); @@ -1832,9 +1837,9 @@ static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int pa return NULL; } -/***************************************************/ -/* U-boot commands */ -/***************************************************/ +/*************************************************/ +/* U-boot commands */ +/*************************************************/ /** * Routine implementing fsload u-boot command. This routine tries to load @@ -1874,14 +1879,22 @@ int do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if ((part = jffs2_part_info(current_dev, current_partnum))){ - /* check partition type for cramfs */ - fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); + /* check partition type for JFFS2, cramfs, romfs */ + if (cramfs_check(part)) { + fsname = "CRAMFS"; + } else if (romfs_check(part)) { + fsname = "ROMFS"; + } else { + fsname = "JFFS2"; + } printf("### %s loading '%s' to 0x%lx\n", fsname, filename, offset); if (cramfs_check(part)) { size = cramfs_load ((char *) offset, part, filename); + } else if (romfs_check(part)){ + size = romfs_load ((char *) offset, part, filename); } else { - /* if this is not cramfs assume jffs2 */ + /* if this is not cramfs or romfs assume jffs2 */ size = jffs2_1pass_load((char *)offset, part, filename); } @@ -1928,8 +1941,10 @@ int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* check partition type for cramfs */ if (cramfs_check(part)) { ret = cramfs_ls (part, filename); + } else if (romfs_check(part)) { + ret = romfs_ls (part, filename); } else { - /* if this is not cramfs assume jffs2 */ + /* if this is not cramfs or romfs assume jffs2 */ ret = jffs2_1pass_ls(part, filename); } @@ -1951,7 +1966,6 @@ int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { struct part_info *part; - char *fsname; int ret; /* make sure we are in sync with env variables */ @@ -1961,13 +1975,17 @@ int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if ((part = jffs2_part_info(current_dev, current_partnum))){ /* check partition type for cramfs */ - fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); - printf("### filesystem type is %s\n", fsname); + puts("### filesystem type is "); if (cramfs_check(part)) { + puts("CRAMFS\n"); ret = cramfs_info (part); + } else if (romfs_check(part)) { + puts("ROMFS\n"); + ret = romfs_info (part); } else { - /* if this is not cramfs assume jffs2 */ + /* if this is not cramfs or romfs assume jffs2 */ + puts("JFFS2\n"); ret = jffs2_1pass_info(part); } diff --git a/fs/Makefile b/fs/Makefile index 273d90e01..118ae78f2 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -22,7 +22,7 @@ # # -SUBDIRS := jffs2 cramfs fdos fat reiserfs ext2 +SUBDIRS := romfs jffs2 cramfs fdos fat reiserfs ext2 $(obj).depend all: @for dir in $(SUBDIRS) ; do \ diff --git a/fs/romfs/Makefile b/fs/romfs/Makefile new file mode 100644 index 000000000..937d75594 --- /dev/null +++ b/fs/romfs/Makefile @@ -0,0 +1,49 @@ +# +# (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 new file mode 100644 index 000000000..b7d96964b --- /dev/null +++ b/fs/romfs/romfs.c @@ -0,0 +1,270 @@ +/* + * (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 (CONFIG_COMMANDS & CFG_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 + */ + switch (inode->next & 0x7) { + case 0: + str[0] = 'h'; + break; + case 1: + str[0] = 'd'; + break; + case 2: + str[0] = 'f'; + break; + case 3: + str[0] = 'l'; + break; + case 4: + str[0] = 'b'; + break; + case 5: + str[0] = 'c'; + break; + case 6: + str[0] = 's'; + break; + case 7: + str[0] = 'p'; + break; + default: + str[0] = '?'; + } + + if (inode->next & 0x8) { + str[1] = 'x'; + } else { + str[1] = '-'; + } + 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 |