/usr/include/xenomai/asm-nios2/hal.h is in libxenomai-dev 2.6.3-2.
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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /**
* @ingroup hal
* @file
*
* Real-Time Hardware Abstraction Layer for the NIOS2 architecture.
*
* Copyright © 2009 Philippe Gerum.
*
* 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, Inc., 675 Mass Ave,
* Cambridge MA 02139, USA; 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_NIOS2_HAL_H
#define _XENO_ASM_NIOS2_HAL_H
#include <linux/irq.h>
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/div64.h>
#define RTHAL_TIMER_DEVICE "hrtimer"
#define RTHAL_TIMER_IRQ __ipipe_hrtimer_irq
#define RTHAL_CLOCK_DEVICE "hrclock"
#define RTHAL_CLOCK_MEMBASE __ipipe_hrclock_membase
#include <asm-generic/xenomai/hal.h> /* Read the generic bits. */
typedef unsigned long long rthal_time_t;
static inline __attribute_const__ unsigned long ffnz(unsigned long ul)
{
return ffs(ul) - 1;
}
#define rthal_grab_control() do { } while(0)
#define rthal_release_control() do { } while(0)
static inline unsigned long long rthal_rdtsc(void)
{
unsigned long long t;
rthal_read_tsc(t);
return t;
}
static inline void rthal_timer_program_shot(unsigned long delay)
{
if (delay < 100)
rthal_schedule_irq_head(RTHAL_TIMER_IRQ);
else
__ipipe_program_hrtimer(delay);
}
/* Private interface -- Internal use only */
static inline struct mm_struct *rthal_get_active_mm(void)
{
return current->active_mm;
}
#ifdef CONFIG_XENO_OPT_TIMING_PERIODIC
extern int rthal_periodic_p;
#else /* !CONFIG_XENO_OPT_TIMING_PERIODIC */
#define rthal_periodic_p 0
#endif /* CONFIG_XENO_OPT_TIMING_PERIODIC */
void rthal_thread_switch(struct thread_struct *prev,
struct thread_struct *next,
int kthreadp);
asmlinkage void rthal_thread_trampoline(void);
static const char *const rthal_fault_labels[] = {
[0] = "Breakpoint",
[1] = "Data or instruction access",
[2] = "Unaligned access",
[3] = "Illegal instruction",
[4] = "Supervisor instruction",
[5] = "Division error",
[6] = NULL
};
#endif /* !_XENO_ASM_NIOS2_HAL_H */
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