2 * include/asm-blackfin/ipipe_base.h
4 * Copyright (C) 2007 Philippe Gerum.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,
9 * USA; either version 2 of the License, or (at your option) any later
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #ifndef __ASM_BLACKFIN_IPIPE_BASE_H
23 #define __ASM_BLACKFIN_IPIPE_BASE_H
27 #define IPIPE_NR_XIRQS NR_IRQS
28 #define IPIPE_IRQ_ISHIFT 5 /* 2^5 for 32bits arch. */
30 /* Blackfin-specific, per-cpu pipeline status */
31 #define IPIPE_SYNCDEFER_FLAG 15
32 #define IPIPE_SYNCDEFER_MASK (1L << IPIPE_SYNCDEFER_MASK)
34 /* Blackfin traps -- i.e. exception vector numbers */
35 #define IPIPE_NR_FAULTS 52 /* We leave a gap after VEC_ILL_RES. */
36 /* Pseudo-vectors used for kernel events */
37 #define IPIPE_FIRST_EVENT IPIPE_NR_FAULTS
38 #define IPIPE_EVENT_SYSCALL (IPIPE_FIRST_EVENT)
39 #define IPIPE_EVENT_SCHEDULE (IPIPE_FIRST_EVENT + 1)
40 #define IPIPE_EVENT_SIGWAKE (IPIPE_FIRST_EVENT + 2)
41 #define IPIPE_EVENT_SETSCHED (IPIPE_FIRST_EVENT + 3)
42 #define IPIPE_EVENT_INIT (IPIPE_FIRST_EVENT + 4)
43 #define IPIPE_EVENT_EXIT (IPIPE_FIRST_EVENT + 5)
44 #define IPIPE_EVENT_CLEANUP (IPIPE_FIRST_EVENT + 6)
45 #define IPIPE_LAST_EVENT IPIPE_EVENT_CLEANUP
46 #define IPIPE_NR_EVENTS (IPIPE_LAST_EVENT + 1)
48 #define IPIPE_TIMER_IRQ IRQ_CORETMR
52 extern unsigned long __ipipe_root_status
; /* Alias to ipipe_root_cpudom_var(status) */
54 #define __ipipe_stall_root() \
56 volatile unsigned long *p = &__ipipe_root_status; \
60 #define __ipipe_test_and_stall_root() \
62 volatile unsigned long *p = &__ipipe_root_status; \
63 test_and_set_bit(0, p); \
66 #define __ipipe_test_root() \
68 const unsigned long *p = &__ipipe_root_status; \
72 #endif /* !__ASSEMBLY__ */
74 #endif /* CONFIG_IPIPE */
76 #endif /* !__ASM_BLACKFIN_IPIPE_BASE_H */