initial import

src/libFLAC/i386/cpu_asm.nasm

@@ -0,0 +1,53 @@
+; libFLAC - Free Lossless Audio Codec library
+; Copyright (C) 2001  Josh Coalson
+;
+; This library is free software; you can redistribute it and/or
+; modify it under the terms of the GNU Library General Public
+; License as published by the Free Software Foundation; either
+; version 2 of the License, or (at your option) any later version.
+;
+; This library 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
+; Library General Public License for more details.
+;
+; You should have received a copy of the GNU Library 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.
+
+%include "nasm.h"
+
+	data_section
+
+cglobal FLAC__cpu_info_asm_i386
+
+	code_section
+
+; **********************************************************************
+;
+FLAC__cpu_info_asm_i386:
+
+	push	ebx
+
+	pushfd
+	pop	eax
+	mov	edx, eax
+	xor	eax, 00200000h
+	push	eax
+	popfd
+	pushfd
+	pop	eax
+	cmp	eax, edx
+	jz	.no_cpuid
+	mov	eax, 1
+	cpuid
+	mov	eax, edx
+	jmp	short .end
+.no_cpuid:
+	xor	eax, eax			; return 0
+.end:
+	pop	ebx
+	ret
+
+end