From: Scott Duplichan <scott@notabs.org>
Date: Thu, 9 Apr 2015 03:09:17 +0000 (+0000)
Subject: UefiCpuPkg: Avoid "error A2085" when DDK3790 tool chain is used
X-Git-Tag: edk2-stable201903~10079
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=718abab1121bfae91b9d4daa1d9fa17879d9ed32

UefiCpuPkg: Avoid "error A2085" when DDK3790 tool chain is used

The DDK3790 tool chain fails when the PAUSE instruction is assembled:
error A2085: instruction or register not accepted in current CPU mode The solution is to use the .686 directive along with the .xmm directive.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Scott Duplichan <scott@notabs.org>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17134 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/UefiCpuPkg/CpuDxe/Ia32/MpAsm.asm b/UefiCpuPkg/CpuDxe/Ia32/MpAsm.asm
index d476829b91..09579f251e 100644
--- a/UefiCpuPkg/CpuDxe/Ia32/MpAsm.asm
+++ b/UefiCpuPkg/CpuDxe/Ia32/MpAsm.asm
@@ -11,7 +11,8 @@
 ;
 ;------------------------------------------------------------------------------
 
-.586p
+.686
+.xmm
 .model flat, C
 
 extern mTopOfApCommonStack:DWORD