/usr/include/xenomai/asm-x86/bits/timer.h is in libxenomai-dev 2.5.5.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /*
* Copyright (C) 2001,2002,2003 Philippe Gerum <rpm@xenomai.org>.
*
* Xenomai 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 2 of the License, or
* (at your option) any later version.
*
* Xenomai 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 Xenomai; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef _XENO_ASM_X86_BITS_TIMER_H
#define _XENO_ASM_X86_BITS_TIMER_H
#ifndef __KERNEL__
#error "Pure kernel header included from user-space!"
#endif
static inline void xnarch_program_timer_shot(unsigned long delay)
{
/*
* Even though we may use a 64 bits delay here, we voluntarily
* limit to 32 bits, 4 billions ticks should be enough for
* now. Would a timer needs more, an extra call to the tick
* handler would simply occur after 4 billions ticks.
*/
rthal_timer_program_shot(rthal_imuldiv_ceil
(delay, RTHAL_TIMER_FREQ, RTHAL_CPU_FREQ));
#ifdef CONFIG_XENO_HW_NMI_DEBUG_LATENCY
{
extern unsigned long rthal_maxlat_tsc;
if (delay <= (LONG_MAX - rthal_maxlat_tsc))
rthal_nmi_arm(delay + rthal_maxlat_tsc);
}
#endif /* CONFIG_XENO_HW_NMI_DEBUG_LATENCY */
}
static inline int xnarch_send_timer_ipi(xnarch_cpumask_t mask)
{
#ifdef CONFIG_SMP
return rthal_send_ipi(RTHAL_APIC_TIMER_IPI, mask);
#else /* ! CONFIG_SMP */
return 0;
#endif /* CONFIG_SMP */
}
#endif /* !_XENO_ASM_X86_BITS_TIMER_H */
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