1 files changed, 110 insertions, 0 deletions

diff --git a/cpukit/score/cpu/avr/rtems/score/avr.h b/cpukit/score/cpu/avr/rtems/score/avr.h
new file mode 100644
index 0000000000..299b3f7fe1
--- /dev/null
+++ b/cpukit/score/cpu/avr/rtems/score/avr.h
@@ -0,0 +1,110 @@
+/**
+ * @file rtems/score/avr.h
+ */
+
+/*
+ *  This file sets up basic CPU dependency settings based on
+ *  compiler settings.  For example, it can determine if
+ *  floating point is available.  This particular implementation
+ *  is specified to the avr port.
+ *
+ *  COPYRIGHT 2004, Ralf Corsepius, Ulm, Germany.
+ *
+ *  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.
+ *
+ *  $Id$
+ *
+ */
+
+#ifndef _RTEMS_SCORE_AVR_H
+#define _RTEMS_SCORE_AVR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ *  This file contains the information required to build
+ *  RTEMS for a particular member of the NO CPU family.
+ *  It does this by setting variables to indicate which
+ *  implementation dependent features are present in a particular
+ *  member of the family.
+ *
+ *  This is a good place to list all the known CPU models
+ *  that this port supports and which RTEMS CPU model they correspond
+ *  to.
+ */
+
+/*
+ *  Figure out all CPU Model Feature Flags based upon compiler
+ *  predefines.
+ */
+#if defined(__AVR__)
+
+#if defined(__AVR_ARCH__)
+#if   __AVR_ARCH__ == 1
+#define CPU_MODEL_NAME  "avr1"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 2
+#define CPU_MODEL_NAME  "avr2"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 3
+#define CPU_MODEL_NAME  "avr3"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 4
+#define CPU_MODEL_NAME  "avr4"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 5
+#define CPU_MODEL_NAME  "avr5"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 25
+#define CPU_MODEL_NAME  "avr25"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 31
+#define CPU_MODEL_NAME  "avr31"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 35
+#define CPU_MODEL_NAME  "avr35"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 51
+#define CPU_MODEL_NAME  "avr51"
+#define AVR_HAS_FPU     1
+
+#elif __AVR_ARCH__ == 6
+#define CPU_MODEL_NAME  "avr6"
+#define AVR_HAS_FPU     1
+
+#else
+#error "Unsupported __AVR_ARCH__"
+#endif
+#else
+#error "__AVR_ARCH__ undefined"
+#endif
+
+#else
+
+#error "Unsupported CPU Model"
+
+#endif
+
+/*
+ *  Define the name of the CPU family.
+ */
+
+#define CPU_NAME "avr"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTEMS_SCORE_AVR_H */