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Diffstat (limited to 'arch/ppc/boot/utils/mkbugboot.c')
-rw-r--r--arch/ppc/boot/utils/mkbugboot.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/arch/ppc/boot/utils/mkbugboot.c b/arch/ppc/boot/utils/mkbugboot.c
deleted file mode 100644
index 1640c4199ca..00000000000
--- a/arch/ppc/boot/utils/mkbugboot.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * Makes a Motorola PPCBUG ROM bootable image which can be flashed
- * into one of the FLASH banks on a Motorola PowerPlus board.
- *
- * Author: Matt Porter <mporter@mvista.com>
- *
- * 2001 (c) MontaVista, Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#define ELF_HEADER_SIZE 65536
-
-#include <unistd.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <netinet/in.h>
-#ifdef __sun__
-#include <inttypes.h>
-#else
-#include <stdint.h>
-#endif
-
-/* size of read buffer */
-#define SIZE 0x1000
-
-/* PPCBUG ROM boot header */
-typedef struct bug_boot_header {
- uint8_t magic_word[4]; /* "BOOT" */
- uint32_t entry_offset; /* Offset from top of header to code */
- uint32_t routine_length; /* Length of code */
- uint8_t routine_name[8]; /* Name of the boot code */
-} bug_boot_header_t;
-
-#define HEADER_SIZE sizeof(bug_boot_header_t)
-
-void update_checksum(void *buf, size_t size, uint16_t *sum)
-{
- uint32_t csum = *sum;
-
- while (size) {
- csum += *(uint16_t *)buf;
- if (csum > 0xffff)
- csum -= 0xffff;
- buf = (uint16_t *)buf + 1;
- size -= 2;
- }
- *sum = csum;
-}
-
-uint32_t copy_image(int in_fd, int out_fd, uint16_t *sum)
-{
- uint8_t buf[SIZE];
- int offset = 0;
- int n;
- uint32_t image_size = 0;
-
- lseek(in_fd, ELF_HEADER_SIZE, SEEK_SET);
-
- /* Copy an image while recording its size */
- while ( (n = read(in_fd, buf + offset, SIZE - offset)) > 0 ) {
- n += offset;
- offset = n & 1;
- n -= offset;
- image_size = image_size + n;
- /* who's going to deal with short writes? */
- write(out_fd, buf, n);
- update_checksum(buf, n, sum);
- if (offset)
- buf[0] = buf[n];
- }
-
- /* BUG romboot requires that our size is divisible by 2 */
- /* align image to 2 byte boundary */
- if (offset) {
- image_size += 2;
- buf[1] = '\0';
- write(out_fd, buf, 2);
- update_checksum(buf, 2, sum);
- }
- return image_size;
-}
-
-void write_bugboot_header(int out_fd, uint32_t boot_size, uint16_t *sum)
-{
- static bug_boot_header_t bbh = {
- .magic_word = "BOOT",
- .routine_name = "LINUXROM"
- };
-
- /* Fill in the PPCBUG ROM boot header */
- bbh.entry_offset = htonl(HEADER_SIZE); /* Entry address */
- bbh.routine_length= htonl(HEADER_SIZE+boot_size+2); /* Routine length */
-
- /* Output the header and bootloader to the file */
- write(out_fd, &bbh, sizeof(bug_boot_header_t));
- update_checksum(&bbh, sizeof(bug_boot_header_t), sum);
-}
-
-int main(int argc, char *argv[])
-{
- int image_fd, bugboot_fd;
- uint32_t kernel_size = 0;
- uint16_t checksum = 0;
-
- if (argc != 3) {
- fprintf(stderr, "usage: %s <kernel_image> <bugboot>\n",argv[0]);
- exit(-1);
- }
-
- /* Get file args */
-
- /* kernel image file */
- if ((image_fd = open(argv[1] , 0)) < 0)
- exit(-1);
-
- /* bugboot file */
- if (!strcmp(argv[2], "-"))
- bugboot_fd = 1; /* stdout */
- else if ((bugboot_fd = creat(argv[2] , 0755)) < 0)
- exit(-1);
-
- /* Set file position after ROM header block where zImage will be written */
- lseek(bugboot_fd, HEADER_SIZE, SEEK_SET);
-
- /* Copy kernel image into bugboot image */
- kernel_size = copy_image(image_fd, bugboot_fd, &checksum);
-
- /* Set file position to beginning where header/romboot will be written */
- lseek(bugboot_fd, 0, SEEK_SET);
-
- /* Write out BUG header/romboot */
- write_bugboot_header(bugboot_fd, kernel_size, &checksum);
-
- /* Write out the calculated checksum */
- lseek(bugboot_fd, 0, SEEK_END);
- write(bugboot_fd, &checksum, 2);
-
- /* Close bugboot file */
- close(bugboot_fd);
- return 0;
-}