bsps: Move benchmark timer to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

bsps/sparc/shared/btimer/tlib.c

@@ -0,0 +1,77 @@
+/*
+ *  Timer Library (TLIB)
+ *
+ *  COPYRIGHT (c) 2011.
+ *  Cobham Gaisler AB.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <rtems.h>
+#include <bsp/tlib.h>
+
+struct tlib_dev *tlib_dev_head = NULL;
+struct tlib_dev *tlib_dev_tail = NULL;
+static int tlib_dev_cnt = 0;
+
+/* Register Timer device to Timer Library */
+int tlib_dev_reg(struct tlib_dev *newdev)
+{
+	/* Reset device */
+	newdev->status = 0;
+	newdev->isr_func = NULL;
+	newdev->index = tlib_dev_cnt;
+
+	/* Insert last in queue */
+	newdev->next = NULL;
+	if ( tlib_dev_tail == NULL ) {
+		tlib_dev_head = newdev;
+	} else {
+		tlib_dev_tail->next = newdev;
+	}
+	tlib_dev_tail = newdev;
+
+	/* Return Index of Registered Timer */
+	return tlib_dev_cnt++;
+}
+
+void *tlib_open(int timer_no)
+{
+	struct tlib_dev *dev;
+
+	if ( timer_no < 0 )
+		return NULL;
+
+	dev = tlib_dev_head;
+	while ( (timer_no > 0) && dev ) {
+		timer_no--;
+		dev = dev->next;
+	}
+	if ( dev ) {
+		if ( dev->status )
+			return NULL;
+		dev->status = 1;
+		/* Reset Timer to initial state */
+		tlib_reset(dev);
+	}
+	return dev;
+}
+
+void tlib_close(void *hand)
+{
+	struct tlib_dev *dev = hand;
+
+	/* Stop any ongoing timer operation and unregister IRQ if registered */
+	tlib_stop(dev);
+	tlib_irq_unregister(dev);
+
+	/* Mark not open */
+	dev->status = 0;
+}
+
+int tlib_ntimer(void)
+{
+	return tlib_dev_cnt;
+}