2008-06-09 Ken Werner <ken.werner@de.ibm.com>

	* libc/machine/spu/Makefile.am: Add new files.
	* libc/machine/spu/Makefile.in: Likewise.
	* libc/machine/spu/include/spu_timer.h: New file to add timer support
        using interrupts.
	* libc/machine/spu/spu_clock_stop.c: Likewise.
	* libc/machine/spu/spu_clock_svcs.c: Likewise.
	* libc/machine/spu/spu_timer_flih.S: Likewise.
	* libc/machine/spu/spu_timer_free.c: Likewise.
	* libc/machine/spu/spu_timer_internal.h: Likewise.
	* libc/machine/spu/spu_timer_slih.c: Likewise.
	* libc/machine/spu/spu_timer_slih_reg.c: Likewise.
	* libc/machine/spu/spu_timer_stop.c: Likewise.
	* libc/machine/spu/spu_timer_svcs.c: Likewise.

1 files changed, 84 insertions, 0 deletions

diff --git a/newlib/libc/machine/spu/include/spu_timer.h b/newlib/libc/machine/spu/include/spu_timer.h
new file mode 100644
index 000000000..ea10ce57d
--- /dev/null
+++ b/newlib/libc/machine/spu/include/spu_timer.h
@@ -0,0 +1,84 @@
+/*
+(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.
+*/
+
+#ifndef _SPU_TIMER_H_
+#define _SPU_TIMER_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/* Clock services.  */
+extern void spu_clock_start (void);
+extern int spu_clock_stop (void);
+extern uint64_t spu_clock_read (void);
+
+/* Timer services.  */
+extern int spu_timer_alloc (int interval, void (*func) (int));
+extern int spu_timer_free (int id);
+extern int spu_timer_start (int id);
+extern int spu_timer_stop (int id);
+
+/* Interrupt services.  */
+extern void spu_slih_register (unsigned event_mask,
+			       unsigned (*slih) (unsigned));
+extern unsigned spu_clock_slih (unsigned event_mask);
+
+/* Number of supported timers.  */
+#define SPU_TIMER_NTIMERS               4
+
+/* Recommended minimun spu timer interval time from (cat /proc/cpuinfo)
+    * QS20       100/14318000  = 6.98 usec
+    * QS21/QS22  100/26666666  = 3.75 usec
+    * PS3        100/79800000  = 1.25 usec  */
+#define SPU_TIMER_MIN_INTERVAL          100
+
+/* Clock error codes.  */
+#define SPU_CLOCK_ERR_NOT_RUNNING       -2
+#define SPU_CLOCK_ERR_STILL_RUNNING     -3
+#define SPU_CLOCK_ERR_TIMERS_ACTIVE     -4
+
+/* Timer error codes.  */
+#define SPU_TIMER_ERR_INVALID_PARM      -10
+#define SPU_TIMER_ERR_NONE_FREE         -11
+#define SPU_TIMER_ERR_INVALID_ID        -12
+#define SPU_TIMER_ERR_ACTIVE            -13
+#define SPU_TIMER_ERR_NOT_ACTIVE        -14
+#define SPU_TIMER_ERR_NOCLOCK           -15
+#define SPU_TIMER_ERR_FREE              -16
+#define SPU_TIMER_ERR_NOT_STOPPED       -17
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif