| Michael S. Tsirkin | 74523b8 | 2013-07-24 18:56:02 +0300 | [diff] [blame] | 1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify |
| 3 | * it under the terms of the GNU General Public License as published by |
| 4 | * the Free Software Foundation; either version 2 of the License, or |
| 5 | * (at your option) any later version. |
| 6 | |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | |
| 12 | * You should have received a copy of the GNU General Public License along |
| 13 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 14 | */ |
| 15 | |
| 16 | /**************************************************************** |
| 17 | * Debugging |
| 18 | ****************************************************************/ |
| 19 | |
| 20 | Scope(\) { |
| 21 | /* Debug Output */ |
| 22 | OperationRegion(DBG, SystemIO, 0x0402, 0x01) |
| 23 | Field(DBG, ByteAcc, NoLock, Preserve) { |
| 24 | DBGB, 8, |
| 25 | } |
| 26 | |
| 27 | /* Debug method - use this method to send output to the QEMU |
| 28 | * BIOS debug port. This method handles strings, integers, |
| 29 | * and buffers. For example: DBUG("abc") DBUG(0x123) */ |
| 30 | Method(DBUG, 1) { |
| 31 | ToHexString(Arg0, Local0) |
| 32 | ToBuffer(Local0, Local0) |
| 33 | Subtract(SizeOf(Local0), 1, Local1) |
| 34 | Store(Zero, Local2) |
| 35 | While (LLess(Local2, Local1)) { |
| 36 | Store(DerefOf(Index(Local0, Local2)), DBGB) |
| 37 | Increment(Local2) |
| 38 | } |
| 39 | Store(0x0A, DBGB) |
| 40 | } |
| 41 | } |