mirror of
https://github.com/xcat2/xNBA.git
synced 2024-12-12 14:26:34 +00:00
56 lines
1.3 KiB
Diff
56 lines
1.3 KiB
Diff
--- main.c Mon Nov 5 18:58:30 2001
|
|
+++ main.c.new Thu Nov 15 01:45:12 2001
|
|
@@ -149,21 +151,49 @@
|
|
static unsigned short ipchksum(unsigned short *ip, int len);
|
|
static unsigned short udpchksum(struct iphdr *packet);
|
|
|
|
+
|
|
+#if defined(ASK_BOOT) && ASK_BOOT > 0 && (ANS_DEFAULT == ANS_AUTO)
|
|
+/*
|
|
+ * Read Installed Hard Disk Count from BIOS memory at 0:0475
|
|
+ */
|
|
+static int hdsk_cnt(void)
|
|
+{
|
|
+ int retv;
|
|
+ __asm__ __volatile__(
|
|
+ "xorw %%ax,%%ax\n\t"
|
|
+ "movb 0x475,%%al\n"
|
|
+ : "=a" (retv)
|
|
+ : /* no inputs */
|
|
+ : "ax", "cc", "memory"
|
|
+ );
|
|
+ return(retv);
|
|
+}
|
|
+#endif /* ASK_BOOT && ANS_AUTO */
|
|
+
|
|
+
|
|
static inline void ask_boot(void)
|
|
{
|
|
#if defined(ASK_BOOT) && ASK_BOOT > 0
|
|
while(1) {
|
|
- int c;
|
|
+ int c, deflt;
|
|
unsigned long time;
|
|
+#if defined(ASK_BOOT) && ASK_BOOT > 0 && (ANS_DEFAULT == ANS_AUTO)
|
|
+ if (hdsk_cnt() != 0)
|
|
+ deflt = ANS_LOCAL;
|
|
+ else
|
|
+ deflt = ANS_NETWORK;
|
|
+#else
|
|
+ deflt = ANS_DEFAULT;
|
|
+#endif
|
|
printf(ASK_PROMPT);
|
|
for (time = currticks() + ASK_BOOT*TICKS_PER_SEC; !iskey(); )
|
|
if (currticks() > time) {
|
|
- c = ANS_DEFAULT;
|
|
+ c = deflt;
|
|
goto done;
|
|
}
|
|
c = getchar();
|
|
if ((c >= 'a') && (c <= 'z')) c &= 0x5F;
|
|
- if (c == '\n') c = ANS_DEFAULT;
|
|
+ if (c == '\n') c = deflt;
|
|
done:
|
|
if ((c >= ' ') && (c <= '~')) putchar(c);
|
|
putchar('\n');
|