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#
# Copyright 2003 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
#
# execute CPUID instruction, return EAX, EBX, ECX and EDX values in result
#
# void cpuid_x86 (unsigned int op, unsigned int result[4]);
#
#include "assembly.h"
.file "cpuid_x86.S"
.version "01.01"
.text
.globl GLOB_SYMB(cpuid_x86)
DEF_FUNC_HEAD(cpuid_x86)
GLOB_SYMB(cpuid_x86):
pushl %ebp
movl %esp, %ebp
pushl %ebx # must save in PIC mode, holds GOT pointer
pushl %esi
movl 8(%ebp), %eax # op
movl 12(%ebp), %esi # result
cpuid
movl %eax, 0(%esi)
movl %ebx, 4(%esi)
movl %ecx, 8(%esi)
movl %edx, 12(%esi)
popl %esi
popl %ebx
popl %ebp
ret
FUNC_TAIL(cpuid_x86)
.ident "Hand coded cpuid assembly"
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
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