On Nov 15, 1:43pm, tsut...@ceres.dti.ne.jp (Izumi Tsutsui) wrote:
-- Subject: Re: CVS commit: src/sys/arch/atari/stand/installboot
| How about this one? (cksum seems updated properly on the real machine)
That looks nicer, go for it!
christos
|
| --- installboot/installboot.c 2014-11-14 13:21:10.000000000 +0900
| +++ installboot/installboot.c 2014-11-14 23:03:28.000000000 +0900
| @@ -467,7 +467,10 @@
| struct disklabel *label, u_int magic)
| {
| int fd;
| - uint16_t sum;
| + union {
| + struct bootblock *bbp;
| + uint16_t *word; /* to fill cksum word */
| + } bbsec;
|
| memset(bb, 0, sizeof(*bb));
|
| @@ -499,10 +502,9 @@
| setIDEpar(bb->bb_xxboot, sizeof(bb->bb_xxboot));
|
| /* set AHDI checksum */
| - sum = 0;
| - memcpy(bb->bb_xxboot + 255 * sizeof(sum), &sum, sizeof(sum));
| - sum = 0x1234 - abcksum(bb->bb_xxboot);
| - memcpy(bb->bb_xxboot + 255 * sizeof(sum), &sum, sizeof(sum));
| + bbsec.bbp = bb;
| + bbsec.word[255] = 0;
| + bbsec.word[255] = 0x1234 - abcksum(bb->bb_xxboot);
|
| if (verbose) {
| printf("Primary boot loader: %s\n", xxb);
|
| ---
| Izumi Tsutsui
-- End of excerpt from Izumi Tsutsui
