summaryrefslogtreecommitdiff
path: root/MdePkg/Library/BaseLib/x86ReadGdtr.c
diff options
context:
space:
mode:
authorbxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524>2006-07-21 08:47:38 +0000
committerbxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524>2006-07-21 08:47:38 +0000
commit3f566587aea64bb986866c7f69a6b82891bf59db (patch)
tree406fa713c2baaa46f9c357f49bcef7d710e7f044 /MdePkg/Library/BaseLib/x86ReadGdtr.c
parent31a9215c3223d3818d1709f39d06774e18df103f (diff)
downloadedk2-platforms-3f566587aea64bb986866c7f69a6b82891bf59db.tar.xz
1. Updated function headers in all assembly files.
2. Split x86LowLevel.c into a bunch of C files to make images linked with BaseLib smaller. 3. Fixed a few minor bugs. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1066 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/x86ReadGdtr.c')
-rw-r--r--MdePkg/Library/BaseLib/x86ReadGdtr.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/x86ReadGdtr.c b/MdePkg/Library/BaseLib/x86ReadGdtr.c
new file mode 100644
index 0000000000..20d41c0217
--- /dev/null
+++ b/MdePkg/Library/BaseLib/x86ReadGdtr.c
@@ -0,0 +1,38 @@
+/** @file
+ IA-32/x64 AsmReadGdtr()
+
+ Copyright (c) 2006, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ Module Name: x86ReadGdtr.c
+
+**/
+
+#include "BaseLibInternals.h"
+
+/**
+ Reads the current Global Descriptor Table Register(GDTR) descriptor.
+
+ Reads and returns the current GDTR descriptor and returns it in Gdtr. This
+ function is only available on IA-32 and X64.
+
+ If Gdtr is NULL, then ASSERT().
+
+ @param Gdtr Pointer to a GDTR descriptor.
+
+**/
+VOID
+EFIAPI
+AsmReadGdtr (
+ OUT IA32_DESCRIPTOR *Gdtr
+ )
+{
+ ASSERT (Gdtr != NULL);
+ InternalX86ReadGdtr (Gdtr);
+}