Changeset 39946 in vbox for trunk/src/VBox/Devices/PC/BIOS

Timestamp:

Feb 1, 2012 11:17:06 PM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

76030

Message:

Avoid keyboard BIOS read ID race.

File:

• trunk/src/VBox/Devices/PC/BIOS/rombios.c (modified) (1 diff)

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

@@ -5077 +5077 @@
       count = 2;
       kbd_code = 0x0;
+ASM_START
+      cli // avoid racing the interrupt handler
+ASM_END
       outb(0x60, 0xf2);
       /* Wait for data */