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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-05-18 00:38:57 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-05-18 00:38:57 +0000
commit177862149444cce179926310055e5df029db043c (patch)
tree51daca9bce457b99601253be8b8c30fc5cac217b /nuttx/arch/mips/src/common/up_interruptcontext.c
parent006c47cc2840ff87ce0386842f94665909891fc4 (diff)
downloadnuttx-177862149444cce179926310055e5df029db043c.tar.gz
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Add some standard common files to PIC32
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3622 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/mips/src/common/up_interruptcontext.c')
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1 files changed, 70 insertions, 0 deletions
diff --git a/nuttx/arch/mips/src/common/up_interruptcontext.c b/nuttx/arch/mips/src/common/up_interruptcontext.c
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+/****************************************************************************
+ * arch/mips/src/common/up_interruptcontext.c
+ *
+ * Copyright (C) 2011 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdbool.h>
+#include <nuttx/arch.h>
+#include <nuttx/irq.h>
+
+#include "up_internal.h"
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_interrupt_context
+ *
+ * Description: Return true is we are currently executing in
+ * the interrupt handler context.
+ ****************************************************************************/
+
+bool up_interrupt_context(void)
+{
+ return current_regs != NULL;
+}