1 files changed, 62 insertions, 0 deletions
diff --git a/bsps/powerpc/gen83xx/include/tm27.h b/bsps/powerpc/gen83xx/include/tm27.h
new file mode 100644
index 0000000000..22787473a5
--- /dev/null
+++ b/bsps/powerpc/gen83xx/include/tm27.h
@@ -0,0 +1,62 @@
+/**
+ * @file
+ *
+ * @brief Support file for Timer Test 27.
+ */
+
+/*
+ * Copyright (c) 2008
+ * Embedded Brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * rtems@embedded-brains.de
+ *
+ * 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 /* _RTEMS_TMTEST27 */
+
+#ifndef TMTESTS_TM27_H
+#define TMTESTS_TM27_H
+
+#include <libcpu/powerpc-utility.h>
+#include <bsp/vectors.h>
+
+#define MUST_WAIT_FOR_INTERRUPT 1
+
+static void (*tm27_interrupt_handler)(rtems_vector_number);
+
+static int tm27_exception_handler( BSP_Exception_frame *frame, unsigned number)
+{
+	(*tm27_interrupt_handler)( 0);
+
+	return 0;
+}
+
+void Install_tm27_vector( void (*handler)(rtems_vector_number))
+{
+  int rv = 0;
+
+  tm27_interrupt_handler = handler;
+
+  rv = ppc_exc_set_handler( ASM_DEC_VECTOR, tm27_exception_handler);
+  if (rv < 0) {
+    printk( "Error installing clock interrupt handler!\n");
+  }
+}
+
+#define Cause_tm27_intr() \
+  ppc_set_decrementer_register( 8)
+
+#define Clear_tm27_intr() \
+  ppc_set_decrementer_register( UINT32_MAX)
+
+#define Lower_tm27_intr() \
+  (void) ppc_external_exceptions_enable()
+
+#endif /* TMTESTS_TM27_H */