[src/trunk]: src/usr.bin/mkubootimage Add -E entrypoint for "byteswapped" ent...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7a2e5c5be3f9
branches:  trunk
changeset: 767932:7a2e5c5be3f9
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Aug 03 17:00:13 2011 +0000

description:
Add -E entrypoint for "byteswapped" entry-points.

diffstat:

 usr.bin/mkubootimage/mkubootimage.c |  10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diffs (48 lines):

diff -r 36dc7450ecb5 -r 7a2e5c5be3f9 usr.bin/mkubootimage/mkubootimage.c
--- a/usr.bin/mkubootimage/mkubootimage.c       Wed Aug 03 16:27:15 2011 +0000
+++ b/usr.bin/mkubootimage/mkubootimage.c       Wed Aug 03 17:00:13 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: mkubootimage.c,v 1.8 2011/08/01 06:16:35 riz Exp $ */
+/* $NetBSD: mkubootimage.c,v 1.9 2011/08/03 17:00:13 matt Exp $ */
 
 /*-
  * Copyright (c) 2010 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -30,10 +30,11 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: mkubootimage.c,v 1.8 2011/08/01 06:16:35 riz Exp $");
+__RCSID("$NetBSD: mkubootimage.c,v 1.9 2011/08/03 17:00:13 matt Exp $");
 
 #include <sys/mman.h>
 #include <sys/stat.h>
+#include <sys/endian.h>
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -321,7 +322,7 @@
        int ch;
        unsigned long num;
 
-       while ((ch = getopt(argc, argv, "A:C:O:T:a:e:hm:n:")) != -1) {
+       while ((ch = getopt(argc, argv, "A:C:E:O:T:a:e:hm:n:")) != -1) {
                switch (ch) {
                case 'A':       /* arch */
                        image_arch = get_arch(optarg);
@@ -343,6 +344,7 @@
                                errx(1, "illegal number -- %s", optarg);
                        image_loadaddr = (uint32_t)num;
                        break;
+               case 'E':       /* ep (byte swapped) */
                case 'e':       /* ep */
                        errno = 0;
                        num = strtoul(optarg, &ep, 0);
@@ -350,6 +352,8 @@
                            (num == ULONG_MAX || num == 0)))
                                errx(1, "illegal number -- %s", optarg);
                        image_entrypoint = (uint32_t)num;
+                       if (ch == 'E')
+                               image_entrypoint = bswap32(image_entrypoint);
                        break;
                case 'm':       /* magic */
                        errno = 0;