06ecc190f3
Signed-off-by: Philippe Gerum <rpm@xenomai.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* -*- linux-c -*-
|
|
* include/asm-blackfin/ipipe_base.h
|
|
*
|
|
* Copyright (C) 2007 Philippe Gerum.
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __ASM_BLACKFIN_IPIPE_BASE_H
|
|
#define __ASM_BLACKFIN_IPIPE_BASE_H
|
|
|
|
#ifdef CONFIG_IPIPE
|
|
|
|
#define IPIPE_NR_XIRQS NR_IRQS
|
|
#define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */
|
|
|
|
/* Blackfin-specific, per-cpu pipeline status */
|
|
#define IPIPE_SYNCDEFER_FLAG 15
|
|
#define IPIPE_SYNCDEFER_MASK (1L << IPIPE_SYNCDEFER_MASK)
|
|
|
|
/* Blackfin traps -- i.e. exception vector numbers */
|
|
#define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */
|
|
/* Pseudo-vectors used for kernel events */
|
|
#define IPIPE_FIRST_EVENT IPIPE_NR_FAULTS
|
|
#define IPIPE_EVENT_SYSCALL (IPIPE_FIRST_EVENT)
|
|
#define IPIPE_EVENT_SCHEDULE (IPIPE_FIRST_EVENT + 1)
|
|
#define IPIPE_EVENT_SIGWAKE (IPIPE_FIRST_EVENT + 2)
|
|
#define IPIPE_EVENT_SETSCHED (IPIPE_FIRST_EVENT + 3)
|
|
#define IPIPE_EVENT_INIT (IPIPE_FIRST_EVENT + 4)
|
|
#define IPIPE_EVENT_EXIT (IPIPE_FIRST_EVENT + 5)
|
|
#define IPIPE_EVENT_CLEANUP (IPIPE_FIRST_EVENT + 6)
|
|
#define IPIPE_LAST_EVENT IPIPE_EVENT_CLEANUP
|
|
#define IPIPE_NR_EVENTS (IPIPE_LAST_EVENT + 1)
|
|
|
|
#define IPIPE_TIMER_IRQ IRQ_CORETMR
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
|
|
|
|
#define __ipipe_stall_root() \
|
|
do { \
|
|
volatile unsigned long *p = &__ipipe_root_status; \
|
|
set_bit(0, p); \
|
|
} while (0)
|
|
|
|
#define __ipipe_test_and_stall_root() \
|
|
({ \
|
|
volatile unsigned long *p = &__ipipe_root_status; \
|
|
test_and_set_bit(0, p); \
|
|
})
|
|
|
|
#define __ipipe_test_root() \
|
|
({ \
|
|
const unsigned long *p = &__ipipe_root_status; \
|
|
test_bit(0, p); \
|
|
})
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif /* CONFIG_IPIPE */
|
|
|
|
#endif /* !__ASM_BLACKFIN_IPIPE_BASE_H */
|