diff options
| author | geekboy15a <geekboy15a@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-02 17:56:00 +0000 |
|---|---|---|
| committer | geekboy15a <geekboy15a@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-02 17:56:00 +0000 |
| commit | bc252e8ea4fbf56f0899c923d08bf72153b8e2eb (patch) | |
| tree | 4453d4af50742e2c5bb3309b95b0316e3a891a88 /UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm | |
| parent | 0bf47d3ddf96a69244f9d0c605e5dd5d76a64e9f (diff) | |
| download | edk2-platforms-bc252e8ea4fbf56f0899c923d08bf72153b8e2eb.tar.xz | |
Adding files from OvmfPkg to common location. This is so multiple packages can use pre-built reset vector code.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9911 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm')
| -rw-r--r-- | UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm b/UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm new file mode 100644 index 0000000000..3d3d8b0267 --- /dev/null +++ b/UefiCpuPkg/ResetVector/Vtf0/Ia16/Init16.asm @@ -0,0 +1,48 @@ +;------------------------------------------------------------------------------
+; @file
+; 16-bit initialization code
+;
+; Copyright (c) 2008 - 2009, 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.
+;
+;------------------------------------------------------------------------------
+
+
+BITS 16
+
+;
+; @param[out] DI 'BP' to indicate boot-strap processor
+;
+EarlyBspInitReal16:
+ mov di, 'BP'
+ jmp short Main16
+
+;
+; @param[out] DI 'AP' to indicate application processor
+;
+EarlyApInitReal16:
+ mov di, 'AP'
+ jmp short Main16
+
+;
+; Modified: EAX
+;
+; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
+; @param[out] ESP Initial value of the EAX register (BIST: Built-in Self Test)
+;
+EarlyInit16:
+ ;
+ ; ESP - Initial value of the EAX register (BIST: Built-in Self Test)
+ ;
+ mov esp, eax
+
+ debugInitialize
+
+ OneTimeCallRet EarlyInit16
+
|