/usr/include/xenomai/asm-blackfin/hal.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 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 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | /**
* @ingroup hal
* @file
*
* Real-Time Hardware Abstraction Layer for the Blackfin.
*
* Copyright © 2005 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_BLACKFIN_HAL_H
#define _XENO_ASM_BLACKFIN_HAL_H
#include <asm-generic/xenomai/hal.h> /* Read the generic bits. */
#include <asm/div64.h>
#define RTHAL_TIMER_DEVICE "coretmr"
#define RTHAL_CLOCK_DEVICE "cyclectr"
typedef unsigned long long rthal_time_t;
static inline __attribute_const__ unsigned long ffnz(unsigned long ul)
{
return ffs(ul) - 1;
}
#ifndef __cplusplus
#include <linux/irq.h>
#include <asm/system.h>
#include <asm/blackfin.h>
#include <asm/processor.h>
#include <asm/xenomai/atomic.h>
#define RTHAL_TIMER_IRQ IRQ_CORETMR
/* The NMI watchdog timer is clocked by the system clock. */
#define RTHAL_NMICLK_FREQ get_sclk()
#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 < 2)
rthal_schedule_irq_head(RTHAL_TIMER_IRQ);
else {
bfin_write_TCNTL(TMPWR);
CSYNC();
bfin_write_TCOUNT(delay - 1);
CSYNC();
bfin_write_TCNTL(TMPWR | TMREN);
}
}
/* Private interface -- Internal use only */
#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 */
asmlinkage struct task_struct *
rthal_thread_switch(struct thread_struct *prev,
struct thread_struct *next);
asmlinkage void rthal_thread_trampoline(void);
asmlinkage int rthal_defer_switch_p(void);
#ifndef CONFIG_SMP
asmlinkage void rthal_atomic_set_mask(unsigned long *addr,
unsigned long mask);
asmlinkage void rthal_atomic_clear_mask(unsigned long *addr,
unsigned long mask);
#endif
static const char *const rthal_fault_labels[] = {
[1] = "Single step",
[4] = "TAS",
[17] = "Performance Monitor Overflow",
[33] = "Undefined instruction",
[34] = "Illegal instruction",
[36] = "Data access misaligned",
[35] = "DCPLB fault",
[37] = "Unrecoverable event",
[38] = "DCPLB fault",
[39] = "DCPLB fault",
[40] = "Watchpoint",
[42] = "Instruction fetch misaligned",
[41] = "Undef",
[43] = "ICPLB fault",
[44] = "ICPLB fault",
[45] = "ICPLB fault",
[46] = "Illegal resource",
[47] = NULL
};
#endif /* !__cplusplus */
#endif /* !_XENO_ASM_BLACKFIN_HAL_H */
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