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author | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
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committer | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
commit | b7c51c9cf4864df6aabb99a1ae843becd577237c (patch) | |
tree | eebe9b0d0ca03062955223097e57da84dd618b9a /EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86ReadGdtr.c | |
download | zprj-b7c51c9cf4864df6aabb99a1ae843becd577237c.tar.xz |
Diffstat (limited to 'EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86ReadGdtr.c')
-rw-r--r-- | EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86ReadGdtr.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86ReadGdtr.c b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86ReadGdtr.c new file mode 100644 index 0000000..dbb367e --- /dev/null +++ b/EDK/Foundation/Library/EdkIIGlueLib/Library/BaseLib/x86ReadGdtr.c @@ -0,0 +1,44 @@ +/*++ + +Copyright (c) 2004 - 2006, Intel Corporation +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 + +Abstract: + + IA-32/x64 specific functions. + +--*/ + +#include "BaseLibInternal.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); +} |