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-rw-r--r--util/cbfstool/util.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/util/cbfstool/util.c b/util/cbfstool/util.c
deleted file mode 100644
index aa7c2183fc..0000000000
--- a/util/cbfstool/util.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * cbfstool
- *
- * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
- *
- * 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; version 2 of the License.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
- */
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include "cbfstool.h"
-
-int uninitialized_flash_value = 0xff;
-
-void flashinit(void *ptr, size_t len)
-{
- memset(ptr, uninitialized_flash_value, len);
-}
-
-int get_size(const char *size)
-{
- char *next;
- int val = strtoul(size, &next, 0);
-
- /* Support modifiers for the size kK and mM for kbytes and
- mbytes respectfully */
-
- if (next != NULL) {
- if (*next == 'k' || *next == 'K')
- val *= 1024;
- else if (*next == 'm' || *next == 'M')
- val *= (1024 * 1024);
- }
-
- return val;
-}
-
-int copy_from_fd(int fd, void *ptr, int size)
-{
- unsigned char *p = ptr;
-
- while (size > 0) {
- int ret = read(fd, p, size);
-
- if (ret == -1) {
- ERROR("Error while reading: %m\n");
- return -1;
- }
-
- if (ret == 0) {
- ERROR("Unexpected end of file\n");
- return -1;
- }
-
- p += ret;
- size -= ret;
- }
-
- return 0;
-}
-
-int size_and_open(const char *filename, unsigned int *size)
-{
- struct stat s;
-
- int fd = open(filename, O_RDONLY);
-
- if (fd == -1) {
- ERROR("Unable to open %s: %m\n", filename);
- return -1;
- }
-
- if (fstat(fd, &s)) {
- ERROR("Unable to stat %s: %m\n", filename);
- close(fd);
- return -1;
- }
-
- *size = s.st_size;
- return fd;
-}
-
-int map_rom(struct rom *rom, int size)
-{
- rom->ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
- rom->fd, 0);
-
- if (rom->ptr == MAP_FAILED) {
- ERROR("Could not map the rom: %m\n");
- rom->ptr = NULL;
- return -1;
- }
-
- return 0;
-}
-
-int open_rom(struct rom *rom, const char *filename)
-{
- struct stat s;
- unsigned long offset;
-
- if (stat(filename, &s)) {
- ERROR("Could not stat %s: %m\n", filename);
- return -1;
- }
-
- rom->fd = open(filename, O_RDWR);
-
- if (rom->fd == -1) {
- ERROR("Could not open %s: %m\n", filename);
- rom->fd = 0;
- return -1;
- }
-
- if (map_rom(rom, s.st_size))
- goto err;
-
- /* Find the master header */
-
- offset = ROM_READL(rom, s.st_size - 4);
-
- rom->header = (struct cbfs_header *)
- ROM_PTR(rom, s.st_size - (0xFFFFFFFF - offset) - 1);
-
- if (ntohl(rom->header->magic) != HEADER_MAGIC) {
- ERROR("This does not appear to be a valid ROM\n");
- goto err;
- }
-
- /* Check that the alignment is correct */
- if (ntohl(rom->header->align) == 0) {
- ERROR("The alignment in the ROM is 0 - probably malformed\n");
- goto err;
- }
-
- /* Sanity check that the size matches the file size */
-
- if (ntohl(rom->header->romsize) != s.st_size) {
- ERROR("The ROM size in the header does not match the file\n");
- ERROR("ROM size is %d bytes, file size is %d bytes\n",
- ntohl(rom->header->romsize), (unsigned int)s.st_size);
- goto err;
- }
-
- rom->size = ntohl(rom->header->romsize);
- /* compute a 32-bit value of rombase.
- * This does the right thing on 64-bit machines.
- */
- rom->rombase = 0-rom->size;
- rom->rombase &= 0xffffffff;
- rom->fssize = rom->size - ntohl(rom->header->bootblocksize);
-
- return 0;
-
-err:
- if (rom->ptr != NULL)
- munmap(rom->ptr, s.st_size);
-
- if (rom->fd > 0)
- close(rom->fd);
-
- rom->ptr = NULL;
- rom->fd = 0;
- return -1;
-}
-
-int create_rom(struct rom *rom, const unsigned char *filename,
- int romsize, const char *bootblockname,
- int bootblocksize, int align)
-{
- unsigned char null = '\0';
-
- if (rom->fd != 0) {
- ERROR("%s already exists - cannot create\n", filename);
- return -1;
- }
-
- /* Remember the size of the entire ROM */
- rom->size = romsize;
-
- /* The size of the archive section is everything but the bootblock and
- * the cbfs master header. */
- rom->fssize = romsize - bootblocksize - sizeof(struct cbfs_header);
-
- /* Open the file descriptor */
-
- rom->fd = open((char *)filename, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
-
- if (rom->fd == -1) {
- ERROR("Could not create %s: %m\n", filename);
- return -1;
- }
-
- /* Size the new file appropriately */
- lseek(rom->fd, romsize - 1, SEEK_SET);
- write(rom->fd, &null, 1);
-
- if (map_rom(rom, romsize)) {
- close(rom->fd);
- return -1;
- }
-
- /* mmap'ed pages are by default zero-filled. Fix that. */
- flashinit(rom->ptr, romsize);
-
- /* This is a pointer to the header for easy access */
- rom->header = (struct cbfs_header *)
- ROM_PTR(rom, rom->size - bootblocksize - sizeof(struct cbfs_header));
- rom->header->magic = htonl(HEADER_MAGIC);
- rom->header->romsize = htonl(romsize);
- rom->header->bootblocksize = htonl(bootblocksize);
- rom->header->align = htonl(align);
- rom->header->offset = htonl(0);
-
- if (add_bootblock(rom, bootblockname) == -1)
- return -1;
-
- /* Write the cbfs master header address at the end of the ROM. */
-
- ROM_WRITEL(rom, rom->size - 4,
- 0xFFFFFFFF - bootblocksize - sizeof(struct cbfs_header) + 1);
-
- /* write the empty header */
- rom_set_header(rom, (struct cbfs_file *)rom->ptr, "", -1, CBFS_COMPONENT_NULL);
- return 0;
-}
-
-int add_bootblock(struct rom *rom, const char *filename)
-{
- unsigned int size;
- int fd = size_and_open(filename, &size);
- int ret;
-
- if (fd == -1)
- return -1;
-
- if (size > ntohl(rom->header->bootblocksize)) {
- ERROR("The bootblock size is not correct (%d vs %d)\n",
- size, ntohl(rom->header->bootblocksize));
- return -1;
- }
-
- /* Copy the bootblock into place at the end of the file */
- ret = copy_from_fd(fd, ROM_PTR(rom, rom->size - size), size);
-
- close(fd);
-
- if (ret) {
- ERROR("Unable to add %s to the bootblock\n", filename);
- return -1;
- }
-
- return 0;
-}
-
-int rom_exists(struct rom *rom)
-{
- if (rom->fd <= 0)
- return 0;
- return 1;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-22 21:01:08 +0000