Changeset 59766 in vbox for trunk/src/VBox/Devices/PC/BIOS

Timestamp:

Feb 22, 2016 8:52:18 AM (9 years ago)

Author:

vboxsync

Message:

BIOS: Rudimentary SysRq processing.

File:

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

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

@@ -508 +508 @@
         break;
 
+    case 0x54: /* SysRq press */
+        if (!(mf2_flags & 0x04)) {  /* If not already down */
+            mf2_flags |= 0x04;
+            write_byte(0x0040, 0x18, mf2_flags);
+            //@todo: EOI/enable kbd/enable interrupts/call INT 15h/8500h
+        }
+        break;
+
+    case 0xd4: /* SysRq release */
+        mf2_flags &= ~0x04;
+        write_byte(0x0040, 0x18, mf2_flags);
+        //@todo: EOI/enable kbd/enable interrupts/call INT 15h/8501h
+        break;
+
     case 0x53: /* Del press */
         if ((shift_flags & 0x0c) == 0x0c) {