mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-12 06:06:15 +09:00
2f8d396b93
Add support for compiling the host tools in the tools directory using the MinGW toolchain. This produces executables which can be used on standard Windows computers without requiring cygwin. One must specify the MinGW compiler and strip utilities as if they were the host toolchain in order to build win32 executables, eg: make HOSTCC=i586-mingw32msvc-gcc HOSTSTRIP=i586-mingw32msvc-strip tools Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/*
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* (C) Copyright 2007
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* Heiko Schocher, DENX Software Engineering, <hs@denx.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include "os_support.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#ifndef __MINGW32__
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#include <sys/mman.h>
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#endif
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#include <sys/stat.h>
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#include "sha1.h"
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#ifndef __ASSEMBLY__
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#define __ASSEMBLY__ /* Dirty trick to get only #defines */
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#endif
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#include <config.h>
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#undef __ASSEMBLY__
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#ifndef O_BINARY /* should be define'd on __WIN32__ */
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#define O_BINARY 0
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#endif
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#ifndef MAP_FAILED
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#define MAP_FAILED (-1)
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#endif
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extern int errno;
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extern void sha1_csum (unsigned char *input, int ilen, unsigned char output[20]);
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int main (int argc, char **argv)
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{
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unsigned char output[20];
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int i, len;
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char *imagefile;
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char *cmdname = *argv;
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unsigned char *ptr;
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unsigned char *data;
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struct stat sbuf;
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unsigned char *ptroff;
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int ifd;
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int off;
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if (argc > 1) {
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imagefile = argv[1];
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ifd = open (imagefile, O_RDWR|O_BINARY);
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if (ifd < 0) {
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fprintf (stderr, "%s: Can't open %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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if (fstat (ifd, &sbuf) < 0) {
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fprintf (stderr, "%s: Can't stat %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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len = sbuf.st_size;
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ptr = (unsigned char *)mmap(0, len,
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PROT_READ, MAP_SHARED, ifd, 0);
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if (ptr == (unsigned char *)MAP_FAILED) {
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fprintf (stderr, "%s: Can't read %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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/* create a copy, so we can blank out the sha1 sum */
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data = malloc (len);
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memcpy (data, ptr, len);
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off = SHA1_SUM_POS;
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ptroff = &data[len + off];
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for (i = 0; i < SHA1_SUM_LEN; i++) {
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ptroff[i] = 0;
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}
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sha1_csum ((unsigned char *) data, len, (unsigned char *)output);
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printf ("U-Boot sum:\n");
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for (i = 0; i < 20 ; i++) {
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printf ("%02X ", output[i]);
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}
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printf ("\n");
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/* overwrite the sum in the bin file, with the actual */
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lseek (ifd, SHA1_SUM_POS, SEEK_END);
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if (write (ifd, output, SHA1_SUM_LEN) != SHA1_SUM_LEN) {
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fprintf (stderr, "%s: Can't write %s: %s\n",
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cmdname, imagefile, strerror(errno));
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exit (EXIT_FAILURE);
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}
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free (data);
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(void) munmap((void *)ptr, len);
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(void) close (ifd);
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}
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return EXIT_SUCCESS;
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}
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