1 files changed, 67 insertions, 0 deletions
diff --git a/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/critical.asm b/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/critical.asm
new file mode 100755
index 0000000..d544e47
--- /dev/null
+++ b/cpu/amd/geode_lx/gplvsa_ii/vsm_lib/critical.asm
@@ -0,0 +1,67 @@
+; 
+; Copyright (c) 2006-2008 Advanced Micro Devices,Inc. ("AMD").
+; 
+; This library is free software; you can redistribute it and/or modify
+; it under the terms of the GNU Lesser General Public License as
+; published by the Free Software Foundation; either version 2.1 of the
+; License, or (at your option) any later version.
+; 
+; This code is distributed in the hope that it will be useful,
+; but WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+; Lesser General Public License for more details.
+; 
+; You should have received a copy of the GNU Lesser General
+; Public License along with this library; if not, write to the
+; Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+; Boston, MA 02111-1307 USA 
+; 
+;*   Function:                                                         *
+;*     This file implements the critical section macros. 
+
+
+include gx2.inc
+
+.model tiny,c
+.586p
+.CODE
+
+
+
+
+
+;***********************************************************************
+; Disables SMI nesting
+;***********************************************************************
+EnterCriticalSection proc
+
+	mov	ecx, MSR_SMM_CTRL
+	rdmsr
+	and	eax, NOT NEST_SMI_EN
+	wrmsr	
+	ret
+
+EnterCriticalSection endp
+
+
+
+;***********************************************************************
+; Enables SMI nesting
+;***********************************************************************
+ExitCriticalSection proc
+
+	mov	ecx, MSR_SMM_CTRL
+	rdmsr
+	or	eax, NEST_SMI_EN
+	wrmsr	
+	ret
+
+ExitCriticalSection endp
+
+
+
+
+
+
+	END 
+