| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2008,2009 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/>. |
| */ |
| |
| #ifndef KERNEL_CPU_PMTIMER_HEADER |
| #define KERNEL_CPU_PMTIMER_HEADER 1 |
| |
| #include <grub/i386/tsc.h> |
| #include <grub/i386/io.h> |
| |
| /* |
| Preconditions: |
| * Caller has ensured that both pmtimer and tsc are supported |
| * 1 <= num_pm_ticks <= 3580 |
| Return: |
| * Number of TSC ticks elapsed |
| * 0 on failure. |
| */ |
| grub_uint64_t |
| EXPORT_FUNC(grub_pmtimer_wait_count_tsc) (grub_port_t pmtimer, |
| grub_uint16_t num_pm_ticks); |
| |
| #endif |
