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- /* cache.S - Flush the processor cache for a specific region. */
- /*
- * GRUB -- GRand Unified Bootloader
- * Copyright (C) 2005,2007,2009 Free Software Foundation, Inc.
- *
- * GRUB 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 of the License, or
- * (at your option) any later version.
- *
- * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
- */
- #include <grub/symbol.h>
- .file "cache.S"
- .text
- /*
- * void grub_arch_sync_caches (void *address, grub_size_t len)
- */
- FUNCTION(grub_arch_sync_caches)
- brz,pn %o1, 2f
- add %o0, %o1, %o1
- add %o1, 7, %o1
- andn %o1, 7, %o1
- andn %o0, 7, %o0
- sub %o1, %o0, %o1
- 1: subcc %o1, 8, %o1
- bne,pt %icc, 1b
- flush %o0 + %o1
- 2: retl
- nop
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