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Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/timer/tlib.c')
-rw-r--r--c/src/lib/libbsp/sparc/shared/timer/tlib.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/timer/tlib.c b/c/src/lib/libbsp/sparc/shared/timer/tlib.c
new file mode 100644
index 0000000000..d1f68eded2
--- /dev/null
+++ b/c/src/lib/libbsp/sparc/shared/timer/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.com/license/LICENSE.
+ */
+
+#include <rtems.h>
+#include <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;
+}