diff options
author | Paul Mackerras <paulus@samba.org> | 2008-06-09 14:01:46 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-06-10 21:40:22 +1000 |
commit | 917f0af9e5a9ceecf9e72537fabb501254ba321d (patch) | |
tree | 1ef207755c6d83ce4af93ef2b5e4645eebd65886 /arch/ppc/boot/utils/mkbugboot.c | |
parent | powerpc: Improve (in|out)_[bl]eXX() asm code (diff) | |
download | linux-dev-917f0af9e5a9ceecf9e72537fabb501254ba321d.tar.xz linux-dev-917f0af9e5a9ceecf9e72537fabb501254ba321d.zip |
powerpc: Remove arch/ppc and include/asm-ppc
All the maintained platforms are now in arch/powerpc, so the old
arch/ppc stuff can now go away.
Acked-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Becky Bruce <becky.bruce@freescale.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jochen Friedrich <jochen@scram.de>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Scott Wood <scottwood@freescale.com>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to '')
-rw-r--r-- | arch/ppc/boot/utils/mkbugboot.c | 147 |
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 1640c4199ca6..000000000000 --- 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; -} |