1 files changed, 59 insertions, 0 deletions
diff --git a/bsps/sh/gensh4/include/tm27.h b/bsps/sh/gensh4/include/tm27.h
new file mode 100644
index 0000000000..c26ec49272
--- /dev/null
+++ b/bsps/sh/gensh4/include/tm27.h
@@ -0,0 +1,59 @@
+/*
+ * @file
+ * @ingroup sh_gensh4
+ * @brief Implementations for interrupt mechanisms for Time Test 27
+ */
+
+/*
+ *  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.
+ */
+
+#ifndef _RTEMS_TMTEST27
+#error "This is an RTEMS internal file you must not include directly."
+#endif
+
+#ifndef __tm27_h
+#define __tm27_h
+
+/*
+ *  Stuff for Time Test 27
+ */
+
+#define MUST_WAIT_FOR_INTERRUPT 1
+
+#ifndef SH7750_EVT_WDT_ITI
+#   error "..."
+#endif
+
+#define Install_tm27_vector( handler ) \
+{ \
+    rtems_isr_entry old_handler; \
+    rtems_status_code status; \
+    status = rtems_interrupt_catch( (handler), \
+            SH7750_EVT_TO_NUM(SH7750_EVT_WDT_ITI), &old_handler); \
+    if (status != RTEMS_SUCCESSFUL) \
+        printf("Status of rtems_interrupt_catch = %d", status); \
+}
+
+#define Cause_tm27_intr() \
+{ \
+    *(volatile uint16_t*)SH7750_IPRB |= 0xf000; \
+    *(volatile uint16_t*)SH7750_WTCSR = SH7750_WTCSR_KEY; \
+    *(volatile uint16_t*)SH7750_WTCNT = SH7750_WTCNT_KEY | 0xfe; \
+    *(volatile uint16_t*)SH7750_WTCSR = \
+                            SH7750_WTCSR_KEY | SH7750_WTCSR_TME; \
+}
+
+#define Clear_tm27_intr() \
+{ \
+    *(volatile uint16_t*)SH7750_WTCSR = SH7750_WTCSR_KEY; \
+}
+
+#define Lower_tm27_intr() \
+{ \
+    sh_set_interrupt_level((SH7750_IPRB & 0xf000) << SH4_SR_IMASK_S); \
+}
+
+#endif