| /* -*- asm -*- ----------------------------------------------------------- |
| * |
| * Copyright 2009-2014 Intel Corporation; author: H. Peter Anvin |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, |
| * copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following |
| * conditions: |
| * |
| * The above copyright notice and this permission notice shall |
| * be included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
| * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * ----------------------------------------------------------------------- */ |
| |
| /* |
| * adjust.h |
| * |
| * Macros to adjust the drive number |
| */ |
| |
| #ifndef ADJUST_H |
| #define ADJUST_H |
| |
| #ifdef CTRL_80 |
| .macro ADJUST_DRIVE |
| pusha |
| movb $0x02, %ah |
| int $0x16 |
| testb $0x04, %al |
| popa |
| jz 1f |
| movb $0x80, %dl |
| 1: |
| .endm |
| #elif defined(FORCE_80) |
| .macro ADJUST_DRIVE |
| movb $0x80, %dl |
| .endm |
| #else |
| .macro ADJUST_DRIVE |
| .endm |
| #endif |
| |
| #endif /* ADJUST_H */ |
