Enhance Ps2Mouse and Ps2Keyboard driver and fix for random hangs in System waiting for the Key if no KBC is present.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8473 6f19259b-4bc3-4df7-8a09-765794883524
2009-06-05 03:25:09 +00:00
parent 502bfcef5c
commit 007c18f5b7
3 changed files with 47 additions and 9 deletions
--- a/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
+++ b/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.h
@ -180,6 +180,12 @@ InstallPs2KeyboardDriver (
 #define SCANCODE_SYS_REQ_MAKE           0x37
 #define SCANCODE_MAX_MAKE               0x60

+//
+// Keyboard Controller Status
+//
+#define KBC_PARE  0x80  // Parity Error
+#define KBC_TIM   0x40  // General Time Out
+
 //
 // Other functions that are used among .c files
 //