Renesas M16C Support

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1476 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 186 insertions, 0 deletions

diff --git a/nuttx/arch/sh/include/m16c/README.txt b/nuttx/arch/sh/include/m16c/README.txt
new file mode 100644
index 000000000..2cc039b76
--- /dev/null
+++ b/nuttx/arch/sh/include/m16c/README.txt
@@ -0,0 +1 @@
+This directory contains header files specific to the M16c architectures.
diff --git a/nuttx/arch/sh/include/m16c/irq.h b/nuttx/arch/sh/include/m16c/irq.h
new file mode 100644
index 000000000..77a3e31e1
--- /dev/null
+++ b/nuttx/arch/sh/include/m16c/irq.h
@@ -0,0 +1,102 @@
+/************************************************************************************
+ * arch/sh/include/m16c/irq.h
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+/* This file should never be included directed but, rather,
+ * only indirectly through nuttx/irq.h
+ */
+
+#ifndef __ARCH_SH_INCLUDE_M16C_IRQ_H
+#define __ARCH_SH_INCLUDE_M16C_IRQ_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+
+/* IRQ numbers -- to be provided */
+
+#define NR_IRQS            1       /* Total number of supported IRQs */
+#define M16C_SYSTIMER_IRQ  1
+
+/* IRQ Stack Frame Format.  The SH-1 has a push down stack.  The PC
+ * and SR are pushed by hardware at the time an IRQ is taken.
+ */
+
+/* To be provided */
+
+#define XCPTCONTEXT_REGS    (1)
+#define XCPTCONTEXT_SIZE    (4 * XCPTCONTEXT_REGS)
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Inline Functions
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+#endif
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#endif /* __ARCH_SH_INCLUDE_M16C_IRQ_H */
+
diff --git a/nuttx/arch/sh/include/m16c/types.h b/nuttx/arch/sh/include/m16c/types.h
new file mode 100644
index 000000000..df82676c4
--- /dev/null
+++ b/nuttx/arch/sh/include/m16c/types.h
@@ -0,0 +1,83 @@
+/****************************************************************************
+ * arch/sh/include/m16c/types.h
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* This file should never be included directed but, rather, only indirectly\
+ * through sys/types.h
+ */
+
+#ifndef __ARCH_SH_INCLUDE_SH1_TYPES_H
+#define __ARCH_SH_INCLUDE_SH1_TYPES_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Type Declarations
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+/* These are the sizes of the standard GNU types.  int is 16-bits and
+ * long is 32-bits */
+
+typedef char sbyte;
+typedef unsigned char ubyte;
+typedef unsigned char uint8;
+typedef unsigned char boolean;
+typedef int sint16;
+typedef unsigned int uint16;
+typedef long sint32;
+typedef unsigned long uint32;
+typedef long long sint64;
+typedef unsigned long long uint64;
+
+/* This is the size of the interrupt state save returned by
+ * irqsave()
+ */
+
+typedef unsigned int irqstate_t;
+
+#endif /* __ASSEMBLY__ */
+
+/****************************************************************************
+ * Global Function Prototypes
+ ****************************************************************************/
+
+#endif /* __ARCH_SH_INCLUDE_SH1_TYPES_H */