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Diffstat (limited to 'newlib/libc/machine/spu/spu_timer_internal.h')
| -rw-r--r-- | newlib/libc/machine/spu/spu_timer_internal.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/newlib/libc/machine/spu/spu_timer_internal.h b/newlib/libc/machine/spu/spu_timer_internal.h deleted file mode 100644 index a438561b9..000000000 --- a/newlib/libc/machine/spu/spu_timer_internal.h +++ /dev/null @@ -1,140 +0,0 @@ -/* -(C) Copyright IBM Corp. 2008 - -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - -* Redistributions of source code must retain the above copyright notice, -this list of conditions and the following disclaimer. -* Redistributions in binary form must reproduce the above copyright -notice, this list of conditions and the following disclaimer in the -documentation and/or other materials provided with the distribution. -* Neither the name of IBM nor the names of its contributors may be -used to endorse or promote products derived from this software without -specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. -*/ - -/* Internal definitions for SPU timer library. */ -#ifndef _SPU_TIMER_INTERNAL_H_ -#define _SPU_TIMER_INTERNAL_H_ - -#include <spu_intrinsics.h> -#include <spu_mfcio.h> -#include <limits.h> -#include <stdlib.h> - -#ifdef SPU_TIMER_DEBUG -#include <stdio.h> -#include <assert.h> -#endif - -/* The timer state tells which list its on. */ -typedef enum spu_timer_state -{ - SPU_TIMER_FREE = 0, - SPU_TIMER_ACTIVE = 1, - SPU_TIMER_HANDLED = 2, - SPU_TIMER_STOPPED = 3 -} spu_timer_state_t; - -typedef struct spu_timer -{ - int tmout __attribute__ ((aligned (16))); /* Time until expiration (tb). */ - int intvl __attribute__ ((aligned (16))); /* Interval. */ - int id __attribute__ ((aligned (16))); - spu_timer_state_t state __attribute__ ((aligned (16))); - void (*func) (int) __attribute__ ((aligned (16))); /* Handler. */ - struct spu_timer *next __attribute__ ((aligned (16))); -} spu_timer_t; - - -/* Max decrementer value. */ -#define DECR_MAX 0xFFFFFFFFU - - /* Arbitrary non-triggering value. */ -#define CLOCK_START_VALUE 0x7FFFFFFF - -#define MIN_INTVL 1 -#define MAX_INTVL INT_MAX - -/* Timers within 15 tics will expire together. */ -#define TIMER_INTERVAL_WINDOW 15 - -/* Disables the decrementer and returns the saved event mask for a subsequent - call to __enable_spu_decr. The decrementer interrupt is acknowledged in the - flih when the event is received, but is required also as part of the - procedure to stop the decrementer. */ -static inline unsigned -__disable_spu_decr (void) -{ - unsigned mask = spu_readch (SPU_RdEventMask); - spu_writech (SPU_WrEventMask, mask & ~MFC_DECREMENTER_EVENT); - spu_writech (SPU_WrEventAck, MFC_DECREMENTER_EVENT); - spu_sync_c (); - return mask; -} - -/* Writes and enables the decrementer, along with the given event mask. */ -static inline void -__enable_spu_decr (int val, unsigned mask) -{ - spu_writech (SPU_WrDec, (val)); - spu_writech (SPU_WrEventMask, mask | MFC_DECREMENTER_EVENT); - spu_sync_c (); -} - -/* These are shared between modules but are not inlined, to save space. */ -extern void __spu_timer_start (int id, int reset); -extern void __reset_spu_decr (int val); - -/* The timers. */ -extern spu_timer_t __spu_timers[]; - -/* Active timer list. */ -extern spu_timer_t *__spu_timers_active; - -/* Stopped (allocated) timer list. */ -extern spu_timer_t *__spu_timers_stopped; - -/* List of timers being handled. */ -extern spu_timer_t *__spu_timers_handled; - -/* Bitmask of available timers. */ -extern unsigned __spu_timers_avail; - -/* The software managed timebase value. */ -extern volatile uint64_t __spu_tb_val; - -/* Timeout value of the current interval. */ -extern volatile int __spu_tb_timeout; - -/* Clock start count (clock is running if >0). */ -extern volatile unsigned __spu_clock_startcnt; - -/* Saved interrupt state from clock_start. */ -extern volatile unsigned __spu_clock_state_was_enabled; - -#define __likely(_c) __builtin_expect((_c), 1) -#define __unlikely(_c) __builtin_expect((_c), 0) - -#define ABORT() \ -{\ - fprintf(stderr, "Internal error, aborting: %s:%d\n", __FILE__, __LINE__);\ - assert(0);\ -} - -#endif |