MdeModulePkg/Ps2Kb: ReadKeyStrokeEx always return key state

[mirror_edk2.git] / MdeModulePkg / Bus / Isa / Ps2KeyboardDxe / Ps2KbdCtrller.c

diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
index f92521046f5b51ac64f7065f53fdfc41eb424622..4def6d9271076664123620e3e9c94084ef426b18 100644 (file)
--- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
@@ -1,7 +1,7 @@
 /** @file\r
   Routines that access 8042 keyboard controller\r
 \r
-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -1104,6 +1104,38 @@ UpdateStatusLights (
   return Status;\r
 }\r
 \r
+/**\r
+  Initialize the key state.\r
+\r
+  @param  ConsoleIn     The KEYBOARD_CONSOLE_IN_DEV instance.\r
+  @param  KeyState      A pointer to receive the key state information.\r
+**/\r
+VOID\r
+InitializeKeyState (\r
+  IN  KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r
+  OUT EFI_KEY_STATE           *KeyState\r
+  )\r
+{\r
+  KeyState->KeyShiftState  = EFI_SHIFT_STATE_VALID\r
+                           | (ConsoleIn->LeftCtrl   ? EFI_LEFT_CONTROL_PRESSED  : 0)\r
+                           | (ConsoleIn->RightCtrl  ? EFI_RIGHT_CONTROL_PRESSED : 0)\r
+                           | (ConsoleIn->LeftAlt    ? EFI_LEFT_ALT_PRESSED      : 0)\r
+                           | (ConsoleIn->RightAlt   ? EFI_RIGHT_ALT_PRESSED     : 0)\r
+                           | (ConsoleIn->LeftShift  ? EFI_LEFT_SHIFT_PRESSED    : 0)\r
+                           | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED   : 0)\r
+                           | (ConsoleIn->LeftLogo   ? EFI_LEFT_LOGO_PRESSED     : 0)\r
+                           | (ConsoleIn->RightLogo  ? EFI_RIGHT_LOGO_PRESSED    : 0)\r
+                           | (ConsoleIn->Menu       ? EFI_MENU_KEY_PRESSED      : 0)\r
+                           | (ConsoleIn->SysReq     ? EFI_SYS_REQ_PRESSED       : 0)\r
+                           ;\r
+  KeyState->KeyToggleState = EFI_TOGGLE_STATE_VALID\r
+                           | (ConsoleIn->CapsLock   ? EFI_CAPS_LOCK_ACTIVE :   0)\r
+                           | (ConsoleIn->NumLock    ? EFI_NUM_LOCK_ACTIVE :    0)\r
+                           | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)\r
+                           | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)\r
+                           ;\r
+}\r
+\r
 /**\r
   Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r
 \r
@@ -1316,27 +1348,9 @@ KeyGetchar (
   //\r
   // Save the Shift/Toggle state\r
   //\r
-  KeyData.KeyState.KeyShiftState = (UINT32) (EFI_SHIFT_STATE_VALID\r
-                                 | (ConsoleIn->LeftCtrl   ? EFI_LEFT_CONTROL_PRESSED  : 0)\r
-                                 | (ConsoleIn->RightCtrl  ? EFI_RIGHT_CONTROL_PRESSED : 0)\r
-                                 | (ConsoleIn->LeftAlt    ? EFI_LEFT_ALT_PRESSED      : 0)\r
-                                 | (ConsoleIn->RightAlt   ? EFI_RIGHT_ALT_PRESSED     : 0)\r
-                                 | (ConsoleIn->LeftShift  ? EFI_LEFT_SHIFT_PRESSED    : 0)\r
-                                 | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED   : 0)\r
-                                 | (ConsoleIn->LeftLogo   ? EFI_LEFT_LOGO_PRESSED     : 0)\r
-                                 | (ConsoleIn->RightLogo  ? EFI_RIGHT_LOGO_PRESSED    : 0)\r
-                                 | (ConsoleIn->Menu       ? EFI_MENU_KEY_PRESSED      : 0)\r
-                                 | (ConsoleIn->SysReq     ? EFI_SYS_REQ_PRESSED       : 0)\r
-                                 );\r
-  KeyData.KeyState.KeyToggleState = (EFI_KEY_TOGGLE_STATE) (EFI_TOGGLE_STATE_VALID\r
-                                  | (ConsoleIn->CapsLock   ? EFI_CAPS_LOCK_ACTIVE :   0)\r
-                                  | (ConsoleIn->NumLock    ? EFI_NUM_LOCK_ACTIVE :    0)\r
-                                  | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)\r
-                                  | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)\r
-                                  );\r
-\r
-  KeyData.Key.ScanCode            = SCAN_NULL;\r
-  KeyData.Key.UnicodeChar         = CHAR_NULL;\r
+  InitializeKeyState (ConsoleIn, &KeyData.KeyState);\r
+  KeyData.Key.ScanCode    = SCAN_NULL;\r
+  KeyData.Key.UnicodeChar = CHAR_NULL;\r
 \r
   //\r
   // Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix\r