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/*
* 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
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