| /* 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 |
| |
