First cut at support for Cortex-M0

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5655 42af7a65-404d-4744-a932-0658087f49c3

4 files changed, 140 insertions, 0 deletions

diff --git a/nuttx/arch/arm/src/nuc1xx/Kconfig b/nuttx/arch/arm/src/nuc1xx/Kconfig
new file mode 100644
index 000000000..9902936da
--- /dev/null
+++ b/nuttx/arch/arm/src/nuc1xx/Kconfig
@@ -0,0 +1,6 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+comment "NUC100/120 Configuration Options"
diff --git a/nuttx/arch/arm/src/nuc1xx/Make.defs b/nuttx/arch/arm/src/nuc1xx/Make.defs
new file mode 100644
index 000000000..37387b857
--- /dev/null
+++ b/nuttx/arch/arm/src/nuc1xx/Make.defs
@@ -0,0 +1,59 @@
+############################################################################
+# arch/arm/src/nuc1xx/Make.defs
+#
+#   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# 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.
+#
+############################################################################
+
+HEAD_ASRC = 
+
+CMN_ASRCS  = up_exception.S up_saveusercontext.S up_fullcontextrestore.S
+CMN_ASRCS += up_switchcontext.S vfork.S
+
+CMN_CSRCS  = up_assert.c up_blocktask.c up_copystate.c
+CMN_CSRCS += up_createstack.c up_mdelay.c up_udelay.c up_exit.c
+CMN_CSRCS += up_initialize.c up_initialstate.c up_interruptcontext.c
+CMN_CSRCS += up_memfault.c up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c
+CMN_CSRCS += up_releasepending.c up_releasestack.c up_reprioritizertr.c
+CMN_CSRCS += up_schedulesigaction.c up_sigdeliver.c up_systemreset.c
+CMN_CSRCS += up_unblocktask.c up_usestack.c up_doirq.c up_hardfault.c
+CMN_CSRCS += up_svcall.c up_vectors.c up_vfork.c
+
+ifeq ($(CONFIG_DEBUG_STACK),y)
+CMN_CSRCS += up_checkstack.c
+endif
+
+ifeq ($(CONFIG_ELF),y)
+CMN_CSRCS += up_elf.c
+endif
+
+CHIP_ASRCS  = 
+CHIP_CSRCS  =
diff --git a/nuttx/arch/arm/src/nuc1xx/chip.h b/nuttx/arch/arm/src/nuc1xx/chip.h
new file mode 100644
index 000000000..482c20bb7
--- /dev/null
+++ b/nuttx/arch/arm/src/nuc1xx/chip.h
@@ -0,0 +1,75 @@
+/************************************************************************************
+ * arch/arm/src/nuc1xx/chip.h
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_NUC1XX_CHIP_H
+#define __ARCH_ARM_SRC_NUC1XX_CHIP_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/* Include the chip capabilities file */
+
+#include <arch/nuc1xx/chip.h>
+
+/* Define the number of interrupt vectors that needed to be support for this chip */
+
+#define ARMV6M_PERIPHERAL_INTERRUPTS 32
+
+/* Include the memory map file.  Other chip hardware files should then include
+ * this file for the proper setup.
+ */
+
+#include "chip/nuc_memorymap.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_NUC1XX_CHIP_H */
diff --git a/nuttx/arch/arm/src/nuc1xx/chip/nuc_memorymap.h b/nuttx/arch/arm/src/nuc1xx/chip/nuc_memorymap.h
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/nuttx/arch/arm/src/nuc1xx/chip/nuc_memorymap.h