airlink generation fix, thanks st9_

SVN-Revision: 6764

diff --git a/src/airlink.c b/src/airlink.c
index 9b1016da72ab69a3aabbcf2aa33f1730943110cb..226f7507b26f14b187b726419307917ccae3476c 100644 (file)
--- a/src/airlink.c
+++ b/src/airlink.c
@@ -100,7 +100,7 @@ u32 header[] = {
        0x00000000, 0x00000005, 0x00000000, 0x00000000
 };
 
-static int JFFS2 = 0;
+static int JFFS2 = 0x20;
 
 int generate_image(char *kname, char *fsname, char *fname, int EHDR)
 {
@@ -108,7 +108,6 @@ int generate_image(char *kname, char *fsname, char *fname, int EHDR)
        u32 lenk, lens;
        uchar *bk, *bs;
        int fkd, ffd, fsd;
-       int pad = 0x1f;
        fkd = open(kname, O_RDONLY);
        ffd = creat(fname, 0x644);
        if ((fkd < 0) || (ffd < 0))
@@ -135,12 +134,10 @@ int generate_image(char *kname, char *fsname, char *fname, int EHDR)
        else
                write(ffd, header + 2, 0x20);
        write(ffd, bk, lenk);
-       if (fsname && JFFS2)
-               pad = 0xffff;
        printf("Padding header+kernel - 0x%x +  0x%x = 0x%x\n",
-              lenk + 0x20, ((lenk + 0x20) | pad) + 1 - lenk - 0x20,
-              ((lenk + 0x20) | pad) + 1);
-       for (i = 0; i < ((lenk + 0x20) | pad) + 1 - lenk - 0x20; i++)
+              lenk, ((lenk - 1 + JFFS2) / JFFS2) * JFFS2 - lenk,
+              ((lenk - 1 + JFFS2) / JFFS2) * JFFS2);
+       for (i = 0; i < ((lenk - 1 + JFFS2) / JFFS2) * JFFS2 - lenk; i++)
                write(ffd, header, 1);
        if (fsname) {
                write(ffd, bs, lens);
@@ -169,13 +166,13 @@ void usage(char *prog)
        printf("Usage: %s [-b 0/1] image_filename \n", prog);
        printf("       update checksums for firmware file\n");
        printf
-           ("Usage: %s [-b 0/1] [-j] [-e] kernel filesystem image_filename \n",
+           ("Usage: %s [-b 0/1] [-j erasesize_in_kibytes] [-e] kernel filesystem image_filename \n",
             prog);
        printf("       generate firmware file and update checksums\n");
        printf("--------------------------------------------------\n");
        printf("       -e - generate header for web upload\n");
-       printf("       -j - generate header for jffs2 filesystem\n");
        printf("       -b 0/1 - clear/update bootloader checksum\n");
+       printf("       -j erasesize_in_kibytes - generate header for jffs2 filesystem\n");
 }
 
 int main(int argc, char **argv)
@@ -187,7 +184,7 @@ int main(int argc, char **argv)
        extern char *optarg;
        extern int optind, optopt;
 
-       while ((c = getopt(argc, argv, "b:e:j")) != -1) {
+       while ((c = getopt(argc, argv, "b:ej:")) != -1) {
                switch (c) {
                case 'b':
                        if (optarg[0] == '1')
@@ -197,7 +194,8 @@ int main(int argc, char **argv)
                        EHDR = 1;
                        break;
                case 'j':
-                       JFFS2 = 1;
+                       sscanf(optarg, "%i", &JFFS2);
+                       JFFS2 *= 1024;
                        break;
                case '?':
                        fprintf(stderr, "\nError: unknown arg %c\n\n\n",