/usr/include/xenomai/asm-powerpc/bits/thread.h is in libxenomai-dev 2.6.4+dfsg-1.
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 | /*
* Copyright (C) 2001,2002,2003,2004 Philippe Gerum <rpm@xenomai.org>.
*
* 64-bit PowerPC adoption
* copyright (C) 2005 Taneli Vähäkangas and Heikki Lindholm
*
* 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_POWERPC_BITS_THREAD_H
#define _XENO_ASM_POWERPC_BITS_THREAD_H
#ifndef __KERNEL__
#error "Pure kernel header included from user-space!"
#endif
static inline void xnarch_init_tcb(xnarchtcb_t *tcb)
{
tcb->user_task = NULL;
tcb->active_task = NULL;
tcb->tsp = &tcb->ts;
tcb->mm = NULL;
tcb->active_mm = NULL;
#ifdef CONFIG_XENO_HW_UNLOCKED_SWITCH
tcb->tip = &tcb->ti;
#endif
/* Note: .pgdir(ppc32) == NULL for a Xenomai kthread. */
memset(&tcb->ts, 0, sizeof(tcb->ts));
#ifdef CONFIG_XENO_HW_FPU
tcb->user_fpu_owner = NULL;
tcb->fpup = &tcb->ts;
#endif /* CONFIG_XENO_HW_FPU */
/* Must be followed by xnarch_init_thread(). */
}
#define xnarch_alloc_stack(tcb,stacksize) \
({ \
int __err; \
(tcb)->stacksize = stacksize; \
if (stacksize == 0) { \
(tcb)->stackbase = NULL; \
__err = 0; \
} else { \
(tcb)->stackbase = xnheap_alloc(&kstacks, stacksize); \
__err = (tcb)->stackbase ? 0 : -ENOMEM; \
} \
__err; \
})
#define xnarch_free_stack(tcb) \
do { \
if ((tcb)->stackbase) \
xnheap_free(&kstacks, (tcb)->stackbase); \
} while(0)
#endif /* !_XENO_ASM_POWERPC_BITS_THREAD_H */
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