Changeset 155 in vbox for trunk/src/VBox/Devices/PC/BIOS

Timestamp:

Jan 18, 2007 5:41:16 PM (18 years ago)

Author:

vboxsync

Message:

Hack to allow configurable boot delay (up to 15 seconds).

Location:

trunk/src/VBox/Devices/PC/BIOS

Files:

• logo.c (modified) (1 diff)
• rombios.c (modified) (1 diff)

trunk/src/VBox/Devices/PC/BIOS/logo.c

@@ -1097 +1097 @@
     return;
 }
+
+
+void delay_boot(secs)
+  Bit16u secs;
+{
+    Bit16u i;
+
+    if (!secs)
+        return;
+
+    // Set PIT to 1ms ticks
+    wait_init();
+
+    printf("Delaying boot for %d seconds:", secs);
+    for (i = secs; i > 0; i--)
+    {
+        printf(" %d", i);
+        wait(1000);
+    }
+    printf("\n");
+    // Restore PIT ticks
+    wait_uninit();
+}
+

trunk/src/VBox/Devices/PC/BIOS/rombios.c

@@ -7818 +7818 @@
   if (read_byte(ebda_seg, &EbdaData->uForceBootDrive))
       bootseq = read_byte(ebda_seg, &EbdaData->uForceBootDrive);
+  /* Boot delay hack. */
+  if (bseqnr == 1)
+      delay_boot((inb_cmos(0x3c) & 0xf0) >> 4); /* Implemented in logo.c */
 #endif /* VBOX */