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Diffstat (limited to 'OvmfPkg/ResetVector/Ia16/ResetVectorVtf0.asm')
-rw-r--r--OvmfPkg/ResetVector/Ia16/ResetVectorVtf0.asm54
1 files changed, 54 insertions, 0 deletions
diff --git a/OvmfPkg/ResetVector/Ia16/ResetVectorVtf0.asm b/OvmfPkg/ResetVector/Ia16/ResetVectorVtf0.asm
new file mode 100644
index 0000000000..63aeaf6b24
--- /dev/null
+++ b/OvmfPkg/ResetVector/Ia16/ResetVectorVtf0.asm
@@ -0,0 +1,54 @@
+;------------------------------------------------------------------------------
+;
+; 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:
+;
+; Reset-16Bit-vft0.asm
+;
+; Abstract:
+;
+; First code exectuted by processor after resetting.
+;
+;------------------------------------------------------------------------------
+
+BITS 16
+
+earlyInit_Real16:
+
+ jmp real16InitSerialPort
+real16SerialPortInitReturn:
+
+ jmp to32BitFlat
+
+ALIGN 16
+
+ DD 0, 0, 0
+
+;
+; The VTF signature
+;
+; VTF-0 means that the VTF (Volume Top File) code does not require
+; any fixups.
+;
+vtfSignature:
+ DB 'V', 'T', 'F', 0
+
+;
+; Reset Vector
+;
+; This is where the processor will begin execution
+;
+ jmp short earlyInit_Real16
+
+ALIGN 16
+
+fourGigabytes:
+