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Make the loader a little smarter about when it is and is not allowed

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to call PXE.
This commit is contained in:
Paul Saab 2000-04-21 04:58:51 +00:00
parent 5d5b2077f1
commit 2339dc037f
1 changed files with 8 additions and 3 deletions
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11
sys/boot/i386/libi386/pxe.c
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@ -159,8 +159,10 @@ pxe_init(void)
return (0);
/* look for "PXENV+" */
if (bcmp((void *)pxenv_p->Signature, S_SIZE("PXENV+")))
if (bcmp((void *)pxenv_p->Signature, S_SIZE("PXENV+"))) {
pxenv_p = NULL;
return (0);
}
/* make sure the size is something we can handle */
if (pxenv_p->Length > sizeof(*pxenv_p)) {
@ -307,7 +309,7 @@ pxe_close(struct open_file *f)
static void
pxe_print(int verbose)
{
if (pxenv_p != NULL) {
if (pxe_p != NULL) {
if (*bootplayer.Sname == '\0') {
printf(" "IP_STR":%s\n",
IP_ARGS(htonl(bootplayer.sip)),
@ -387,8 +389,11 @@ static int
pxe_netif_probe(struct netif *nif, void *machdep_hint)
{
t_PXENV_UDP_OPEN *udpopen_p = (t_PXENV_UDP_OPEN *)scratch_buffer;
bzero(udpopen_p, sizeof(*udpopen_p));
if (pxe_p == NULL)
return -1;
bzero(udpopen_p, sizeof(*udpopen_p));
udpopen_p->src_ip = bootplayer.yip;
pxe_call(PXENV_UDP_OPEN);