5211a7023e
few more code comments to src/cpu/x86/*.inc files. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5859 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
30 lines
952 B
PHP
30 lines
952 B
PHP
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2002 Eric Biederman <ebiederm@xmission.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* Preserve BIST. */
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movl %eax, %ebp
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/* Enable SSE instructions. */
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movl %cr4, %eax
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orl $(1 << 9), %eax
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movl %eax, %cr4
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/* Restore BIST. */
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movl %ebp, %eax
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