Add kernel build support for Stellaris, Kinetis, LPC43, and NUC1xx MCUs

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5781 42af7a65-404d-4744-a932-0658087f49c3

4 files changed, 215 insertions, 1 deletions

diff --git a/nuttx/arch/arm/src/nuc1xx/Make.defs b/nuttx/arch/arm/src/nuc1xx/Make.defs
index d491a15c9..fa83d8aad 100644
--- a/nuttx/arch/arm/src/nuc1xx/Make.defs
+++ b/nuttx/arch/arm/src/nuc1xx/Make.defs
@@ -47,6 +47,14 @@ 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 ($(CONFIG_NUTTX_KERNEL),y)
+CMN_CSRCS += up_task_start.c up_pthread_start.c up_stackframe.c
+ifneq ($(CONFIG_DISABLE_SIGNALS),y)
+CMN_CSRCS += up_signal_dispatch.c
+CMN_UASRCS += up_signal_handler.S
+endif
+endif
+
 ifeq ($(CONFIG_DEBUG_STACK),y)
 CMN_CSRCS += up_checkstack.c
 endif
@@ -63,6 +71,10 @@ CHIP_ASRCS  =
 CHIP_CSRCS  = nuc_clockconfig.c nuc_gpio.c nuc_idle.c nuc_irq.c nuc_lowputc.c
 CHIP_CSRCS += nuc_serial.c nuc_start.c nuc_timerisr.c
 
+ifeq ($(CONFIG_NUTTX_KERNEL),y)
+CHIP_CSRCS += nuc_userspace.c
+endif
+
 ifeq ($(CONFIG_DEBUG),y)
 CHIP_CSRCS += nuc_dumpgpio.c
 endif
diff --git a/nuttx/arch/arm/src/nuc1xx/nuc_start.c b/nuttx/arch/arm/src/nuc1xx/nuc_start.c
index fa5f249a3..b21e8b86d 100644
--- a/nuttx/arch/arm/src/nuc1xx/nuc_start.c
+++ b/nuttx/arch/arm/src/nuc1xx/nuc_start.c
@@ -53,6 +53,7 @@
 #include "nuc_config.h"
 #include "nuc_lowputc.h"
 #include "nuc_clockconfig.h"
+#include "nuc_userspace.h"
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -149,10 +150,21 @@ void __start(void)
 #endif
   showprogress('D');
 
+  /* For the case of the separate user-/kernel-space build, perform whatever
+   * platform specific initialization of the user memory is required.
+   * Normally this just means initializing the user space .data and .bss
+   * segments.
+   */
+
+#ifdef CONFIG_NUTTX_KERNEL
+  nuc_userspace();
+  showprogress('E');
+#endif
+
   /* Initialize onboard resources */
 
   nuc_boardinitialize();
-  showprogress('E');
+  showprogress('F');
 
   /* Then start NuttX */
 
diff --git a/nuttx/arch/arm/src/nuc1xx/nuc_userspace.c b/nuttx/arch/arm/src/nuc1xx/nuc_userspace.c
new file mode 100644
index 000000000..0a60059ba
--- /dev/null
+++ b/nuttx/arch/arm/src/nuc1xx/nuc_userspace.c
@@ -0,0 +1,114 @@
+/****************************************************************************
+ * arch/arm/src/nuc1xx/nuc_userspace.c
+ *
+ *   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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <assert.h>
+
+#include <nuttx/userspace.h>
+
+#include "nuc_userspace.h"
+
+#ifdef CONFIG_NUTTX_KERNEL
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nuc_userspace
+ *
+ * Description:
+ *   For the case of the separate user-/kernel-space build, perform whatever
+ *   platform specific initialization of the user memory is required.
+ *   Normally this just means initializing the user space .data and .bss
+ *   segments.
+ *
+ ****************************************************************************/
+
+void nuc_userspace(void)
+{
+  uint8_t *src;
+  uint8_t *dest;
+  uint8_t *end;
+
+  /* Clear all of user-space .bss */
+
+  DEBUGASSERT(USERSPACE->us_bssstart != 0 && USERSPACE->us_bssend != 0 &&
+              USERSPACE->us_bssstart <= USERSPACE->us_bssend);
+
+  dest = (uint8_t*)USERSPACE->us_bssstart;
+  end  = (uint8_t*)USERSPACE->us_bssend;
+
+  while (dest != end)
+    {
+      *dest++ = 0;
+    }
+
+  /* Initialize all of user-space .data */
+
+  DEBUGASSERT(USERSPACE->us_datasource != 0 &&
+              USERSPACE->us_datastart != 0 && USERSPACE->us_dataend != 0 && 
+              USERSPACE->us_datastart <= USERSPACE->us_dataend);
+
+  src  = (uint8_t*)USERSPACE->us_datasource;
+  dest = (uint8_t*)USERSPACE->us_datastart;
+  end  = (uint8_t*)USERSPACE->us_dataend;
+
+  while (dest != end)
+    {
+      *dest++ = *src++;
+    }
+}
+
+#endif /* CONFIG_NUTTX_KERNEL */
+
diff --git a/nuttx/arch/arm/src/nuc1xx/nuc_userspace.h b/nuttx/arch/arm/src/nuc1xx/nuc_userspace.h
new file mode 100644
index 000000000..9123ce8e1
--- /dev/null
+++ b/nuttx/arch/arm/src/nuc1xx/nuc_userspace.h
@@ -0,0 +1,76 @@
+/************************************************************************************
+ * arch/arm/src/nuc1xx/nuc_userspace.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_NUC_USERSPACE_H
+#define __ARCH_ARM_SRC_NUC1XX_NUC_USERSPACE_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+/****************************************************************************
+ * Name: nuc_userspace
+ *
+ * Description:
+ *   For the case of the separate user-/kernel-space build, perform whatever
+ *   platform specific initialization of the user memory is required.
+ *   Normally this just means initializing the user space .data and .bss
+ *   segments.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_NUTTX_KERNEL
+void nuc_userspace(void);
+#endif
+
+#endif /* __ARCH_ARM_SRC_NUC1XX_NUC_USERSPACE_H */