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Diffstat (limited to 'OvmfPkg/ResetVector/CommonMacros.inc')
-rw-r--r-- | OvmfPkg/ResetVector/CommonMacros.inc | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/OvmfPkg/ResetVector/CommonMacros.inc b/OvmfPkg/ResetVector/CommonMacros.inc new file mode 100644 index 0000000000..19c6d07a3f --- /dev/null +++ b/OvmfPkg/ResetVector/CommonMacros.inc @@ -0,0 +1,43 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2008, 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:
+;
+; CommonMacros.inc
+;
+; Abstract:
+;
+; Common macros used in the ResetVector VTF module.
+;
+;------------------------------------------------------------------------------
+
+%define ADDR16_OF(x) (0x10000 - fourGigabytes + x)
+%define ADDR_OF(x) (0x100000000 - fourGigabytes + x)
+
+%macro callEdx 1
+ mov edx, ADDR_OF(%%returnLabel)
+ jmp %1
+%%returnLabel:
+%endmacro
+
+%macro OneTimeCall 1
+ jmp %1
+%1 %+ OneTimerCallReturn:
+%endmacro
+
+%macro OneTimeCallRet 1
+ jmp %1 %+ OneTimerCallReturn
+%endmacro
+
+StartOfResetVectorCode:
+
+%define ADDR_OF_START_OF_RESET_CODE ADDR_OF(StartOfResetVectorCode)
+
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