diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/Makefile | 43 | ||||
| -rw-r--r-- | fs/cbfs/Makefile | 43 | ||||
| -rw-r--r-- | fs/cbfs/cbfs.c | 339 | ||||
| -rw-r--r-- | fs/ext4/Makefile | 7 | ||||
| -rw-r--r-- | fs/ext4/ext4_common.c | 2 | ||||
| -rw-r--r-- | fs/ext4/ext4_common.h | 4 | ||||
| -rw-r--r-- | fs/ext4/ext4fs.c | 2 | ||||
| -rw-r--r-- | fs/fat/Makefile | 4 | ||||
| -rw-r--r-- | fs/fat/fat.c | 89 | ||||
| -rw-r--r-- | fs/fat/fat_write.c | 2 | ||||
| -rw-r--r-- | fs/fs.c | 323 | ||||
| -rw-r--r-- | fs/yaffs2/ydirectenv.h | 2 | ||||
| -rw-r--r-- | fs/zfs/zfs.c | 51 |
13 files changed, 782 insertions, 129 deletions
diff --git a/fs/Makefile b/fs/Makefile index 901e1894b6..d0ab3aec56 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -1,6 +1,7 @@ # # (C) Copyright 2000-2006 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. # # See file CREDITS for list of people who contributed to this # project. @@ -20,23 +21,27 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, # MA 02111-1307 USA # -# -subdirs-$(CONFIG_CMD_CRAMFS) := cramfs -subdirs-$(CONFIG_CMD_EXT4) += ext4 -ifndef CONFIG_CMD_EXT4 -subdirs-$(CONFIG_CMD_EXT2) += ext4 -endif -subdirs-$(CONFIG_CMD_FAT) += fat -subdirs-$(CONFIG_CMD_FDOS) += fdos -subdirs-$(CONFIG_CMD_JFFS2) += jffs2 -subdirs-$(CONFIG_CMD_REISER) += reiserfs -subdirs-$(CONFIG_YAFFS2) += yaffs2 -subdirs-$(CONFIG_CMD_UBIFS) += ubifs -subdirs-$(CONFIG_CMD_ZFS) += zfs - -SUBDIRS := $(subdirs-y) - -$(obj).depend all: - @for dir in $(SUBDIRS) ; do \ - $(MAKE) -C $$dir $@ ; done +include $(TOPDIR)/config.mk + +LIB = $(obj)libfs.o + +COBJS-y += fs.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/fs/cbfs/Makefile b/fs/cbfs/Makefile new file mode 100644 index 0000000000..2be8a6880b --- /dev/null +++ b/fs/cbfs/Makefile @@ -0,0 +1,43 @@ +# +# 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 = $(obj)libcbfs.o + +COBJS-$(CONFIG_CMD_CBFS) := cbfs.o + +SRCS := $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS-y)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/fs/cbfs/cbfs.c b/fs/cbfs/cbfs.c new file mode 100644 index 0000000000..cae6d56db7 --- /dev/null +++ b/fs/cbfs/cbfs.c @@ -0,0 +1,339 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. + * + * 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 <cbfs.h> +#include <malloc.h> +#include <asm/byteorder.h> + +enum cbfs_result file_cbfs_result; + +const char *file_cbfs_error(void) +{ + switch (file_cbfs_result) { + case CBFS_SUCCESS: + return "Success"; + case CBFS_NOT_INITIALIZED: + return "CBFS not initialized"; + case CBFS_BAD_HEADER: + return "Bad CBFS header"; + case CBFS_BAD_FILE: + return "Bad CBFS file"; + case CBFS_FILE_NOT_FOUND: + return "File not found"; + default: + return "Unknown"; + } +} + + +static const u32 good_magic = 0x4f524243; +static const u8 good_file_magic[] = "LARCHIVE"; + + +static int initialized; +static struct cbfs_header cbfs_header; +static struct cbfs_cachenode *file_cache; + +/* Do endian conversion on the CBFS header structure. */ +static void swap_header(struct cbfs_header *dest, struct cbfs_header *src) +{ + dest->magic = be32_to_cpu(src->magic); + dest->version = be32_to_cpu(src->version); + dest->rom_size = be32_to_cpu(src->rom_size); + dest->boot_block_size = be32_to_cpu(src->boot_block_size); + dest->align = be32_to_cpu(src->align); + dest->offset = be32_to_cpu(src->offset); +} + +/* Do endian conversion on a CBFS file header. */ +static void swap_file_header(struct cbfs_fileheader *dest, + const struct cbfs_fileheader *src) +{ + memcpy(&dest->magic, &src->magic, sizeof(dest->magic)); + dest->len = be32_to_cpu(src->len); + dest->type = be32_to_cpu(src->type); + dest->checksum = be32_to_cpu(src->checksum); + dest->offset = be32_to_cpu(src->offset); +} + +/* + * Given a starting position in memory, scan forward, bounded by a size, and + * find the next valid CBFS file. No memory is allocated by this function. The + * caller is responsible for allocating space for the new file structure. + * + * @param start The location in memory to start from. + * @param size The size of the memory region to search. + * @param align The alignment boundaries to check on. + * @param newNode A pointer to the file structure to load. + * @param used A pointer to the count of of bytes scanned through, + * including the file if one is found. + * + * @return 1 if a file is found, 0 if one isn't. + */ +static int file_cbfs_next_file(u8 *start, u32 size, u32 align, + struct cbfs_cachenode *newNode, u32 *used) +{ + struct cbfs_fileheader header; + + *used = 0; + + while (size >= align) { + const struct cbfs_fileheader *fileHeader = + (const struct cbfs_fileheader *)start; + u32 name_len; + u32 step; + + /* Check if there's a file here. */ + if (memcmp(good_file_magic, &(fileHeader->magic), + sizeof(fileHeader->magic))) { + *used += align; + size -= align; + start += align; + continue; + } + + swap_file_header(&header, fileHeader); + if (header.offset < sizeof(const struct cbfs_cachenode *) || + header.offset > header.len) { + file_cbfs_result = CBFS_BAD_FILE; + return -1; + } + newNode->next = NULL; + newNode->type = header.type; + newNode->data = start + header.offset; + newNode->data_length = header.len; + name_len = header.offset - sizeof(struct cbfs_cachenode *); + newNode->name = (char *)fileHeader + + sizeof(struct cbfs_cachenode *); + newNode->name_length = name_len; + newNode->checksum = header.checksum; + + step = header.len; + if (step % align) + step = step + align - step % align; + + *used += step; + return 1; + } + return 0; +} + +/* Look through a CBFS instance and copy file metadata into regular memory. */ +static void file_cbfs_fill_cache(u8 *start, u32 size, u32 align) +{ + struct cbfs_cachenode *cache_node; + struct cbfs_cachenode *newNode; + struct cbfs_cachenode **cache_tail = &file_cache; + + /* Clear out old information. */ + cache_node = file_cache; + while (cache_node) { + struct cbfs_cachenode *oldNode = cache_node; + cache_node = cache_node->next; + free(oldNode); + } + file_cache = NULL; + + while (size >= align) { + int result; + u32 used; + + newNode = (struct cbfs_cachenode *) + malloc(sizeof(struct cbfs_cachenode)); + result = file_cbfs_next_file(start, size, align, + newNode, &used); + + if (result < 0) { + free(newNode); + return; + } else if (result == 0) { + free(newNode); + break; + } + *cache_tail = newNode; + cache_tail = &newNode->next; + + size -= used; + start += used; + } + file_cbfs_result = CBFS_SUCCESS; +} + +/* Get the CBFS header out of the ROM and do endian conversion. */ +static int file_cbfs_load_header(uintptr_t end_of_rom, + struct cbfs_header *header) +{ + struct cbfs_header *header_in_rom; + + header_in_rom = (struct cbfs_header *)(uintptr_t) + *(u32 *)(end_of_rom - 3); + swap_header(header, header_in_rom); + + if (header->magic != good_magic || header->offset > + header->rom_size - header->boot_block_size) { + file_cbfs_result = CBFS_BAD_HEADER; + return 1; + } + return 0; +} + +void file_cbfs_init(uintptr_t end_of_rom) +{ + u8 *start_of_rom; + initialized = 0; + + if (file_cbfs_load_header(end_of_rom, &cbfs_header)) + return; + + start_of_rom = (u8 *)(end_of_rom + 1 - cbfs_header.rom_size); + + file_cbfs_fill_cache(start_of_rom + cbfs_header.offset, + cbfs_header.rom_size, cbfs_header.align); + if (file_cbfs_result == CBFS_SUCCESS) + initialized = 1; +} + +const struct cbfs_header *file_cbfs_get_header(void) +{ + if (initialized) { + file_cbfs_result = CBFS_SUCCESS; + return &cbfs_header; + } else { + file_cbfs_result = CBFS_NOT_INITIALIZED; + return NULL; + } +} + +const struct cbfs_cachenode *file_cbfs_get_first(void) +{ + if (!initialized) { + file_cbfs_result = CBFS_NOT_INITIALIZED; + return NULL; + } else { + file_cbfs_result = CBFS_SUCCESS; + return file_cache; + } +} + +void file_cbfs_get_next(const struct cbfs_cachenode **file) +{ + if (!initialized) { + file_cbfs_result = CBFS_NOT_INITIALIZED; + file = NULL; + return; + } + + if (*file) + *file = (*file)->next; + file_cbfs_result = CBFS_SUCCESS; +} + +const struct cbfs_cachenode *file_cbfs_find(const char *name) +{ + struct cbfs_cachenode *cache_node = file_cache; + + if (!initialized) { + file_cbfs_result = CBFS_NOT_INITIALIZED; + return NULL; + } + + while (cache_node) { + if (!strcmp(name, cache_node->name)) + break; + cache_node = cache_node->next; + } + if (!cache_node) + file_cbfs_result = CBFS_FILE_NOT_FOUND; + else + file_cbfs_result = CBFS_SUCCESS; + + return cache_node; +} + +const struct cbfs_cachenode *file_cbfs_find_uncached(uintptr_t end_of_rom, + const char *name) +{ + u8 *start; + u32 size; + u32 align; + static struct cbfs_cachenode node; + + if (file_cbfs_load_header(end_of_rom, &cbfs_header)) + return NULL; + + start = (u8 *)(end_of_rom + 1 - cbfs_header.rom_size); + size = cbfs_header.rom_size; + align = cbfs_header.align; + + while (size >= align) { + int result; + u32 used; + + result = file_cbfs_next_file(start, size, align, &node, &used); + + if (result < 0) + return NULL; + else if (result == 0) + break; + + if (!strcmp(name, node.name)) + return &node; + + size -= used; + start += used; + } + file_cbfs_result = CBFS_FILE_NOT_FOUND; + return NULL; +} + +const char *file_cbfs_name(const struct cbfs_cachenode *file) +{ + file_cbfs_result = CBFS_SUCCESS; + return file->name; +} + +u32 file_cbfs_size(const struct cbfs_cachenode *file) +{ + file_cbfs_result = CBFS_SUCCESS; + return file->data_length; +} + +u32 file_cbfs_type(const struct cbfs_cachenode *file) +{ + file_cbfs_result = CBFS_SUCCESS; + return file->type; +} + +long file_cbfs_read(const struct cbfs_cachenode *file, void *buffer, + unsigned long maxsize) +{ + u32 size; + + size = file->data_length; + if (maxsize && size > maxsize) + size = maxsize; + + memcpy(buffer, file->data, size); + + file_cbfs_result = CBFS_SUCCESS; + return size; +} diff --git a/fs/ext4/Makefile b/fs/ext4/Makefile index 82cd9ae16a..bb801f9054 100644 --- a/fs/ext4/Makefile +++ b/fs/ext4/Makefile @@ -30,11 +30,8 @@ include $(TOPDIR)/config.mk LIB = $(obj)libext4fs.o AOBJS = -COBJS-$(CONFIG_CMD_EXT4) := ext4fs.o ext4_common.o dev.o -ifndef CONFIG_CMD_EXT4 -COBJS-$(CONFIG_CMD_EXT2) := ext4fs.o ext4_common.o dev.o -endif -COBJS-$(CONFIG_CMD_EXT4_WRITE) += ext4_journal.o crc16.o +COBJS-$(CONFIG_FS_EXT4) := ext4fs.o ext4_common.o dev.o +COBJS-$(CONFIG_EXT4_WRITE) += ext4_journal.o crc16.o SRCS := $(AOBJS:.o=.S) $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS-y)) diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index d6d55b9fff..323875fa94 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -56,7 +56,7 @@ int ext4fs_indir3_blkno = -1; struct ext2_inode *g_parent_inode; static int symlinknest; -#if defined(CONFIG_CMD_EXT4_WRITE) +#if defined(CONFIG_EXT4_WRITE) uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n) { uint32_t res = size / n; diff --git a/fs/ext4/ext4_common.h b/fs/ext4/ext4_common.h index f728134186..87cab168ee 100644 --- a/fs/ext4/ext4_common.h +++ b/fs/ext4/ext4_common.h @@ -37,7 +37,7 @@ #include <ext4fs.h> #include <malloc.h> #include <asm/errno.h> -#if defined(CONFIG_CMD_EXT4_WRITE) +#if defined(CONFIG_EXT4_WRITE) #include "ext4_journal.h" #include "crc16.h" #endif @@ -71,7 +71,7 @@ int ext4fs_find_file(const char *path, struct ext2fs_node *rootnode, int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name, struct ext2fs_node **fnode, int *ftype); -#if defined(CONFIG_CMD_EXT4_WRITE) +#if defined(CONFIG_EXT4_WRITE) uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n); int ext4fs_checksum_update(unsigned int i); int ext4fs_get_parent_inode_num(const char *dirname, char *dname, int flags); diff --git a/fs/ext4/ext4fs.c b/fs/ext4/ext4fs.c index 3a5ef20a4b..06536baf62 100644 --- a/fs/ext4/ext4fs.c +++ b/fs/ext4/ext4fs.c @@ -196,7 +196,7 @@ int ext4fs_read(char *buf, unsigned len) return ext4fs_read_file(ext4fs_file, 0, len, buf); } -#if defined(CONFIG_CMD_EXT4_WRITE) +#if defined(CONFIG_EXT4_WRITE) static void ext4fs_update(void) { short i; diff --git a/fs/fat/Makefile b/fs/fat/Makefile index 02e6881670..969715bf9c 100644 --- a/fs/fat/Makefile +++ b/fs/fat/Makefile @@ -24,11 +24,11 @@ include $(TOPDIR)/config.mk LIB = $(obj)libfat.o AOBJS = -COBJS-$(CONFIG_CMD_FAT) := fat.o +COBJS-$(CONFIG_FS_FAT) := fat.o COBJS-$(CONFIG_FAT_WRITE):= fat_write.o ifndef CONFIG_SPL_BUILD -COBJS-$(CONFIG_CMD_FAT) += file.o +COBJS-$(CONFIG_FS_FAT) += file.o endif SRCS := $(AOBJS:.o=.S) $(COBJS-y:.o=.c) diff --git a/fs/fat/fat.c b/fs/fat/fat.c index 80156c815f..393c3781eb 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -46,7 +46,6 @@ static void downcase(char *str) } static block_dev_desc_t *cur_dev; -static unsigned int cur_part_nr; static disk_partition_t cur_part_info; #define DOS_BOOT_MAGIC_OFFSET 0x1fe @@ -62,43 +61,12 @@ static int disk_read(__u32 block, __u32 nr_blocks, void *buf) cur_part_info.start + block, nr_blocks, buf); } -int fat_register_device(block_dev_desc_t * dev_desc, int part_no) +int fat_set_blk_dev(block_dev_desc_t *dev_desc, disk_partition_t *info) { ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); - /* First close any currently found FAT filesystem */ - cur_dev = NULL; - -#if (defined(CONFIG_CMD_IDE) || \ - defined(CONFIG_CMD_SATA) || \ - defined(CONFIG_CMD_SCSI) || \ - defined(CONFIG_CMD_USB) || \ - defined(CONFIG_MMC) || \ - defined(CONFIG_SYSTEMACE) ) - - /* Read the partition table, if present */ - if (!get_partition_info(dev_desc, part_no, &cur_part_info)) { - cur_dev = dev_desc; - cur_part_nr = part_no; - } -#endif - - /* Otherwise it might be a superfloppy (whole-disk FAT filesystem) */ - if (!cur_dev) { - if (part_no != 0) { - printf("** Partition %d not valid on device %d **\n", - part_no, dev_desc->dev); - return -1; - } - - cur_dev = dev_desc; - cur_part_nr = 1; - cur_part_info.start = 0; - cur_part_info.size = dev_desc->lba; - cur_part_info.blksz = dev_desc->blksz; - memset(cur_part_info.name, 0, sizeof(cur_part_info.name)); - memset(cur_part_info.type, 0, sizeof(cur_part_info.type)); - } + cur_dev = dev_desc; + cur_part_info = *info; /* Make sure it has a valid FAT header */ if (disk_read(0, 1, buffer) != 1) { @@ -122,6 +90,34 @@ int fat_register_device(block_dev_desc_t * dev_desc, int part_no) return -1; } +int fat_register_device(block_dev_desc_t *dev_desc, int part_no) +{ + disk_partition_t info; + + /* First close any currently found FAT filesystem */ + cur_dev = NULL; + + /* Read the partition table, if present */ + if (get_partition_info(dev_desc, part_no, &info)) { + if (part_no != 0) { + printf("** Partition %d not valid on device %d **\n", + part_no, dev_desc->dev); + return -1; + } + + info.start = 0; + info.size = dev_desc->lba; + info.blksz = dev_desc->blksz; + info.name[0] = 0; + info.type[0] = 0; + info.bootable = 0; +#ifdef CONFIG_PARTITION_UUIDS + info.uuid[0] = 0; +#endif + } + + return fat_set_blk_dev(dev_desc, &info); +} /* * Get the first occurence of a directory delimiter ('/' or '\') in a string. @@ -567,15 +563,16 @@ get_vfatname(fsdata *mydata, int curclust, __u8 *cluster, } /* Calculate short name checksum */ -static __u8 mkcksum(const char *str) +static __u8 mkcksum(const char name[8], const char ext[3]) { int i; __u8 ret = 0; - for (i = 0; i < 11; i++) { - ret = (((ret & 1) << 7) | ((ret & 0xfe) >> 1)) + str[i]; - } + for (i = 0; i < sizeof(name); i++) + ret = (((ret & 1) << 7) | ((ret & 0xfe) >> 1)) + name[i]; + for (i = 0; i < sizeof(ext); i++) + ret = (((ret & 1) << 7) | ((ret & 0xfe) >> 1)) + ext[i]; return ret; } @@ -678,7 +675,8 @@ static dir_entry *get_dentfromdir(fsdata *mydata, int startsect, return NULL; } #ifdef CONFIG_SUPPORT_VFAT - if (dols && mkcksum(dentptr->name) == prevcksum) { + __u8 csum = mkcksum(dentptr->name, dentptr->ext); + if (dols && csum == prevcksum) { prevcksum = 0xffff; dentptr++; continue; @@ -946,13 +944,16 @@ do_fat_read_at(const char *filename, unsigned long pos, void *buffer, for (i = 0; i < DIRENTSPERBLOCK; i++) { char s_name[14], l_name[VFAT_MAXLEN_BYTES]; + __u8 csum; l_name[0] = '\0'; if (dentptr->name[0] == DELETED_FLAG) { dentptr++; continue; } - if ((dentptr->attr & ATTR_VOLUME)) { + + csum = mkcksum(dentptr->name, dentptr->ext); + if (dentptr->attr & ATTR_VOLUME) { #ifdef CONFIG_SUPPORT_VFAT if ((dentptr->attr & ATTR_VFAT) == ATTR_VFAT && (dentptr->name[0] & LAST_LONG_ENTRY_MASK)) { @@ -1015,8 +1016,7 @@ do_fat_read_at(const char *filename, unsigned long pos, void *buffer, goto exit; } #ifdef CONFIG_SUPPORT_VFAT - else if (dols == LS_ROOT && - mkcksum(dentptr->name) == prevcksum) { + else if (dols == LS_ROOT && csum == prevcksum) { prevcksum = 0xffff; dentptr++; continue; @@ -1235,8 +1235,7 @@ int file_fat_detectfs(void) vol_label[11] = '\0'; volinfo.fs_type[5] = '\0'; - printf("Partition %d: Filesystem: %s \"%s\"\n", cur_part_nr, - volinfo.fs_type, vol_label); + printf("Filesystem: %s \"%s\"\n", volinfo.fs_type, vol_label); return 0; } diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c index 5829adf1a1..4a1bda0a37 100644 --- a/fs/fat/fat_write.c +++ b/fs/fat/fat_write.c @@ -335,7 +335,7 @@ fill_dir_slot(fsdata *mydata, dir_entry **dentptr, const char *l_name) /* Get short file name and checksum value */ strncpy(s_name, (*dentptr)->name, 16); - checksum = mkcksum(s_name); + checksum = mkcksum((*dentptr)->name, (*dentptr)->ext); do { memset(slotptr, 0x00, sizeof(dir_slot)); diff --git a/fs/fs.c b/fs/fs.c new file mode 100644 index 0000000000..ff360afd4b --- /dev/null +++ b/fs/fs.c @@ -0,0 +1,323 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <common.h> +#include <part.h> +#include <ext4fs.h> +#include <fat.h> +#include <fs.h> + +DECLARE_GLOBAL_DATA_PTR; + +static block_dev_desc_t *fs_dev_desc; +static disk_partition_t fs_partition; +static int fs_type = FS_TYPE_ANY; + +static inline int fs_ls_unsupported(const char *dirname) +{ + printf("** Unrecognized filesystem type **\n"); + return -1; +} + +static inline int fs_read_unsupported(const char *filename, ulong addr, + int offset, int len) +{ + printf("** Unrecognized filesystem type **\n"); + return -1; +} + +#ifdef CONFIG_FS_FAT +static int fs_probe_fat(void) +{ + return fat_set_blk_dev(fs_dev_desc, &fs_partition); +} + +static void fs_close_fat(void) +{ +} + +#define fs_ls_fat file_fat_ls + +static int fs_read_fat(const char *filename, ulong addr, int offset, int len) +{ + int len_read; + + len_read = file_fat_read_at(filename, offset, + (unsigned char *)addr, len); + if (len_read == -1) { + printf("** Unable to read file %s **\n", filename); + return -1; + } + + return len_read; +} +#else +static inline int fs_probe_fat(void) +{ + return -1; +} + +static inline void fs_close_fat(void) +{ +} + +#define fs_ls_fat fs_ls_unsupported +#define fs_read_fat fs_read_unsupported +#endif + +#ifdef CONFIG_FS_EXT4 +static int fs_probe_ext(void) +{ + ext4fs_set_blk_dev(fs_dev_desc, &fs_partition); + + if (!ext4fs_mount(fs_partition.size)) { + ext4fs_close(); + return -1; + } + + return 0; +} + +static void fs_close_ext(void) +{ + ext4fs_close(); +} + +#define fs_ls_ext ext4fs_ls + +static int fs_read_ext(const char *filename, ulong addr, int offset, int len) +{ + int file_len; + int len_read; + + if (offset != 0) { + printf("** Cannot support non-zero offset **\n"); + return -1; + } + + file_len = ext4fs_open(filename); + if (file_len < 0) { + printf("** File not found %s **\n", filename); + ext4fs_close(); + return -1; + } + + if (len == 0) + len = file_len; + + len_read = ext4fs_read((char *)addr, len); + ext4fs_close(); + + if (len_read != len) { + printf("** Unable to read file %s **\n", filename); + return -1; + } + + return len_read; +} +#else +static inline int fs_probe_ext(void) +{ + return -1; +} + +static inline void fs_close_ext(void) +{ +} + +#define fs_ls_ext fs_ls_unsupported +#define fs_read_ext fs_read_unsupported +#endif + +static struct { + int fstype; + int (*probe)(void); +} fstypes[] = { + { + .fstype = FS_TYPE_FAT, + .probe = fs_probe_fat, + }, + { + .fstype = FS_TYPE_EXT, + .probe = fs_probe_ext, + }, +}; + +int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype) +{ + int part, i; +#ifdef CONFIG_NEEDS_MANUAL_RELOC + static int relocated; + + if (!relocated) { + for (i = 0; i < ARRAY_SIZE(fstypes); i++) + fstypes[i].probe += gd->reloc_off; + relocated = 1; + } +#endif + + part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc, + &fs_partition, 1); + if (part < 0) + return -1; + + for (i = 0; i < ARRAY_SIZE(fstypes); i++) { + if ((fstype != FS_TYPE_ANY) && (fstype != fstypes[i].fstype)) + continue; + + if (!fstypes[i].probe()) { + fs_type = fstypes[i].fstype; + return 0; + } + } + + printf("** Unrecognized filesystem type **\n"); + return -1; +} + +static void fs_close(void) +{ + switch (fs_type) { + case FS_TYPE_FAT: + fs_close_fat(); + break; + case FS_TYPE_EXT: + fs_close_ext(); + break; + default: + break; + } + + fs_type = FS_TYPE_ANY; +} + +int fs_ls(const char *dirname) +{ + int ret; + + switch (fs_type) { + case FS_TYPE_FAT: + ret = fs_ls_fat(dirname); + break; + case FS_TYPE_EXT: + ret = fs_ls_ext(dirname); + break; + default: + ret = fs_ls_unsupported(dirname); + break; + } + + fs_close(); + + return ret; +} + +int fs_read(const char *filename, ulong addr, int offset, int len) +{ + int ret; + + switch (fs_type) { + case FS_TYPE_FAT: + ret = fs_read_fat(filename, addr, offset, len); + break; + case FS_TYPE_EXT: + ret = fs_read_ext(filename, addr, offset, len); + break; + default: + ret = fs_read_unsupported(filename, addr, offset, len); + break; + } + + fs_close(); + + return ret; +} + +int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], + int fstype, int cmdline_base) +{ + unsigned long addr; + const char *addr_str; + const char *filename; + unsigned long bytes; + unsigned long pos; + int len_read; + char buf[12]; + + if (argc < 2) + return CMD_RET_USAGE; + if (argc > 7) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) + return 1; + + if (argc >= 4) { + addr = simple_strtoul(argv[3], NULL, cmdline_base); + } else { + addr_str = getenv("loadaddr"); + if (addr_str != NULL) + addr = simple_strtoul(addr_str, NULL, 16); + else + addr = CONFIG_SYS_LOAD_ADDR; + } + if (argc >= 5) { + filename = argv[4]; + } else { + filename = getenv("bootfile"); + if (!filename) { + puts("** No boot file defined **\n"); + return 1; + } + } + if (argc >= 6) + bytes = simple_strtoul(argv[5], NULL, cmdline_base); + else + bytes = 0; + if (argc >= 7) + pos = simple_strtoul(argv[6], NULL, cmdline_base); + else + pos = 0; + + len_read = fs_read(filename, addr, pos, bytes); + if (len_read <= 0) + return 1; + + printf("%d bytes read\n", len_read); + + sprintf(buf, "0x%x", len_read); + setenv("filesize", buf); + + return 0; +} + +int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], + int fstype) +{ + if (argc < 2) + return CMD_RET_USAGE; + if (argc > 4) + return CMD_RET_USAGE; + + if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype)) + return 1; + + if (fs_ls(argc >= 4 ? argv[3] : "/")) + return 1; + + return 0; +} diff --git a/fs/yaffs2/ydirectenv.h b/fs/yaffs2/ydirectenv.h index c912b09a40..c2ffbfd56d 100644 --- a/fs/yaffs2/ydirectenv.h +++ b/fs/yaffs2/ydirectenv.h @@ -56,8 +56,6 @@ void yaffs_qsort(void *aa, size_t n, size_t es, #ifdef NO_inline #define inline -#else -#define inline __inline__ #endif #define cond_resched() do {} while (0) diff --git a/fs/zfs/zfs.c b/fs/zfs/zfs.c index 360f723c84..2db45b1928 100644 --- a/fs/zfs/zfs.c +++ b/fs/zfs/zfs.c @@ -2002,49 +2002,6 @@ zfs_fetch_nvlist(device_t dev, char **nvlist) return err; } -static int -zfs_label(device_t device, char **label) -{ - char *nvlist; - int err; - struct zfs_data *data; - - data = zfs_mount(device); - if (!data) - return ZFS_ERR_BAD_FS; - - err = int_zfs_fetch_nvlist(data, &nvlist); - if (err) { - zfs_unmount(data); - return err; - } - - *label = zfs_nvlist_lookup_string(nvlist, ZPOOL_CONFIG_POOL_NAME); - free(nvlist); - zfs_unmount(data); - return ZFS_ERR_NONE; -} - -static int -zfs_uuid(device_t device, char **uuid) -{ - struct zfs_data *data; - - data = zfs_mount(device); - if (!data) - return ZFS_ERR_BAD_FS; - - *uuid = malloc(17); /* %016llx + nil */ - if (!*uuid) - return ZFS_ERR_OUT_OF_MEMORY; - - /* *uuid = xasprintf ("%016llx", (long long unsigned) data->pool_guid);*/ - snprintf(*uuid, 17, "%016llx", (long long unsigned) data->pool_guid); - zfs_unmount(data); - - return ZFS_ERR_NONE; -} - /* * zfs_open() locates a file in the rootpool by following the * MOS and places the dnode of the file in the memory address DNODE. @@ -2325,14 +2282,6 @@ zfs_ls(device_t device, const char *path, struct zfs_data *data; int err; int isfs; -#if 0 - char *label = NULL; - - zfs_label(device, &label); - if (label) - printf("ZPOOL label '%s'\n", - label); -#endif data = zfs_mount(device); if (!data) |
