| Michal Simek | 76316a3 | 2007-03-11 13:42:58 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2007 Michal Simek |
| 3 | * |
| 4 | * Michal SIMEK <moonstr@monstr.eu> |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #include <common.h> |
| 26 | |
| 27 | #if (CONFIG_COMMANDS & CFG_CMD_CACHE) |
| 28 | |
| 29 | int dcache_status (void) |
| 30 | { |
| 31 | int i = 0; |
| 32 | int mask = 0x80; |
| 33 | __asm__ __volatile__ ("mfs %0,rmsr"::"r" (i):"memory"); |
| 34 | /* i&=0x80 */ |
| 35 | __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory"); |
| 36 | return i; |
| 37 | } |
| 38 | |
| 39 | int icache_status (void) |
| 40 | { |
| 41 | int i = 0; |
| 42 | int mask = 0x20; |
| 43 | __asm__ __volatile__ ("mfs %0,rmsr"::"r" (i):"memory"); |
| 44 | /* i&=0x20 */ |
| 45 | __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory"); |
| 46 | return i; |
| 47 | } |
| 48 | #endif |