1 files changed, 156 insertions, 0 deletions
diff --git a/include/bsp/utility.h b/include/bsp/utility.h
new file mode 100644
index 0000000000..fee28f445a
--- /dev/null
+++ b/include/bsp/utility.h
@@ -0,0 +1,156 @@
+/**
+ * @file
+ *
+ * @ingroup bsp_kit
+ *
+ * @brief Utility macros.
+ */
+
+/*
+ * Copyright (c) 2008-2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  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 LIBCPU_SHARED_UTILITY_H
+#define LIBCPU_SHARED_UTILITY_H
+
+#include <stdint.h>
+
+#define BSP_BIT8(bit) \
+  ((uint8_t) (((unsigned int) 1) << (bit)))
+
+#define BSP_MSK8(first_bit, last_bit) \
+  ((uint8_t) ((BSP_BIT8((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD8(val, first_bit, last_bit) \
+  ((uint8_t) \
+    ((((unsigned int) (val)) << (first_bit)) & BSP_MSK8(first_bit, last_bit)))
+
+#define BSP_FLD8GET(reg, first_bit, last_bit) \
+  ((uint8_t) (((reg) & BSP_MSK8(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD8SET(reg, val, first_bit, last_bit) \
+  ((uint8_t) (((reg) & ~BSP_MSK8(first_bit, last_bit)) \
+    | BSP_FLD8(val, first_bit, last_bit)))
+
+#define BSP_BIT16(bit) \
+  ((uint16_t) (((unsigned int) 1) << (bit)))
+
+#define BSP_MSK16(first_bit, last_bit) \
+  ((uint16_t) ((BSP_BIT16((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD16(val, first_bit, last_bit) \
+  ((uint16_t) \
+    ((((unsigned int) (val)) << (first_bit)) & BSP_MSK16(first_bit, last_bit)))
+
+#define BSP_FLD16GET(reg, first_bit, last_bit) \
+  ((uint16_t) (((reg) & BSP_MSK16(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD16SET(reg, val, first_bit, last_bit) \
+  ((uint16_t) (((reg) & ~BSP_MSK16(first_bit, last_bit)) \
+    | BSP_FLD16(val, first_bit, last_bit)))
+
+#define BSP_BIT32(bit) \
+  ((uint32_t) (((uint32_t) 1) << (bit)))
+
+#define BSP_MSK32(first_bit, last_bit) \
+  ((uint32_t) ((BSP_BIT32((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD32(val, first_bit, last_bit) \
+  ((uint32_t) \
+    ((((uint32_t) (val)) << (first_bit)) & BSP_MSK32(first_bit, last_bit)))
+
+#define BSP_FLD32GET(reg, first_bit, last_bit) \
+  ((uint32_t) (((reg) & BSP_MSK32(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD32SET(reg, val, first_bit, last_bit) \
+  ((uint32_t) (((reg) & ~BSP_MSK32(first_bit, last_bit)) \
+    | BSP_FLD32(val, first_bit, last_bit)))
+
+#define BSP_BIT64(bit) \
+  ((uint64_t) (((uint64_t) 1) << (bit)))
+
+#define BSP_MSK64(first_bit, last_bit) \
+  ((uint64_t) ((BSP_BIT64((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD64(val, first_bit, last_bit) \
+  ((uint64_t) \
+    ((((uint64_t) (val)) << (first_bit)) & BSP_MSK64(first_bit, last_bit)))
+
+#define BSP_FLD64GET(reg, first_bit, last_bit) \
+  ((uint64_t) (((reg) & BSP_MSK64(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD64SET(reg, val, first_bit, last_bit) \
+  ((uint64_t) (((reg) & ~BSP_MSK64(first_bit, last_bit)) \
+    | BSP_FLD64(val, first_bit, last_bit)))
+
+#define BSP_BBIT8(bit) \
+  BSP_BIT8(7 - (bit))
+
+#define BSP_BMSK8(first_bit, last_bit) \
+  BSP_MSK8(7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BFLD8(val, first_bit, last_bit) \
+  BSP_FLD8(val, 7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BFLD8GET(reg, first_bit, last_bit) \
+  BSP_FLD8GET(reg, 7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BFLD8SET(reg, val, first_bit, last_bit) \
+  BSP_FLD8SET(reg, val, 7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BBIT16(bit) \
+  BSP_BIT16(15 - (bit))
+
+#define BSP_BMSK16(first_bit, last_bit) \
+  BSP_MSK16(15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BFLD16(val, first_bit, last_bit) \
+  BSP_FLD16(val, 15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BFLD16GET(reg, first_bit, last_bit) \
+  BSP_FLD16GET(reg, 15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BFLD16SET(reg, val, first_bit, last_bit) \
+  BSP_FLD16SET(reg, val, 15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BBIT32(bit) \
+  BSP_BIT32(31 - (bit))
+
+#define BSP_BMSK32(first_bit, last_bit) \
+  BSP_MSK32(31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BFLD32(val, first_bit, last_bit) \
+  BSP_FLD32(val, 31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BFLD32GET(reg, first_bit, last_bit) \
+  BSP_FLD32GET(reg, 31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BFLD32SET(reg, val, first_bit, last_bit) \
+  BSP_FLD32SET(reg, val, 31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BBIT64(bit) \
+  BSP_BIT64(63 - (bit))
+
+#define BSP_BMSK64(first_bit, last_bit) \
+  BSP_MSK64(63 - (last_bit), 63 - (first_bit))
+
+#define BSP_BFLD64(val, first_bit, last_bit) \
+  BSP_FLD64(val, 63 - (last_bit), 63 - (first_bit))
+
+#define BSP_BFLD64GET(reg, first_bit, last_bit) \
+  BSP_FLD64GET(reg, 63 - (last_bit), 63 - (first_bit))
+
+#define BSP_BFLD64SET(reg, val, first_bit, last_bit) \
+  BSP_FLD64SET(reg, val, 63 - (last_bit), 63 - (first_bit))
+
+#endif /* LIBCPU_SHARED_UTILITY_H */