Standardize naming of nanokernel core source files for ARM

Gets rid of "nano" prefix on these nanokernel files. Change-Id: I78c4dd4ebbbbd91f6fdd4e54ffc82de9bd232c7d Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
2015-06-19 14:06:22 -04:00 · 2015-06-19 14:06:22 -04:00 · 92c9c47265
commit 92c9c47265
parent 35cf49d479
4 changed files with 6 additions and 6 deletions
--- a/arch/arm/core/fatal.c
+++ b/arch/arm/core/fatal.c
@ -0,0 +1,124 @@
+/* fatal.c - nanokernel fatal error handler for ARM Cortex-M */
+
+/*
+ * Copyright (c) 2014 Wind River Systems, Inc.
+ *
+ * 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 of Wind River Systems 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 HOLDER 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.
+ */
+
+/*
+DESCRIPTION
+This module provides the _NanoFatalErrorHandler() routine for ARM Cortex-M.
+*/
+
+#include <toolchain.h>
+#include <sections.h>
+
+#include <nanokernel.h>
+#include <nano_private.h>
+
+#ifdef CONFIG_PRINTK
+#include <misc/printk.h>
+#define PR_EXC(...) printk(__VA_ARGS__)
+#else
+#define PR_EXC(...)
+#endif /* CONFIG_PRINTK */
+
+/*
+ * Define a default ESF for use with _NanoFatalErrorHandler() in the event
+ * the caller does not have a NANO_ESF to pass
+ */
+const NANO_ESF _default_esf = {0xdeaddead, /* a1 */
+						      0xdeaddead, /* a2 */
+						      0xdeaddead, /* a3 */
+						      0xdeaddead, /* a4 */
+						      0xdeaddead, /* ip */
+						      0xdeaddead, /* lr */
+						      0xdeaddead, /* pc */
+						      0xdeaddead, /* xpsr */
+};
+
+/*******************************************************************************
+*
+* _NanoFatalErrorHandler - nanokernel fatal error handler
+*
+* This routine is called when fatal error conditions are detected by software
+* and is responsible only for reporting the error. Once reported, it then
+* invokes the user provided routine _SysFatalErrorHandler() which is
+* responsible for implementing the error handling policy.
+*
+* The caller is expected to always provide a usable ESF. In the event that the
+* fatal error does not have a hardware generated ESF, the caller should either
+* create its own or use a pointer to the global default ESF <_default_esf>.
+*
+* RETURNS: This function does not return.
+*
+* \NOMANUAL
+*/
+
+FUNC_NORETURN void _NanoFatalErrorHandler(
+	unsigned int reason, /* reason that handler was called */
+	const NANO_ESF *pEsf /* pointer to exception stack frame */
+	)
+{
+	switch (reason) {
+	case _NANO_ERR_INVALID_TASK_EXIT:
+		PR_EXC("***** Invalid Exit Software Error! *****\n");
+		break;
+
+#if defined(CONFIG_STACK_CANARIES)
+	case _NANO_ERR_STACK_CHK_FAIL:
+		PR_EXC("***** Stack Check Fail! *****\n");
+		break;
+#endif /* CONFIG_STACK_CANARIES */
+
+	case _NANO_ERR_ALLOCATION_FAIL:
+		PR_EXC("**** Kernel Allocation Failure! ****\n");
+		break;
+
+	default:
+		PR_EXC("**** Unknown Fatal Error %d! ****\n", reason);
+		break;
+	}
+	PR_EXC("Current context ID = 0x%x\n"
+	       "Faulting instruction address = 0x%x\n",
+	       context_self_get(),
+	       pEsf->pc);
+
+	/*
+	 * Now that the error has been reported, call the user implemented
+	 * policy
+	 * to respond to the error.  The decisions as to what responses are
+	 * appropriate to the various errors are something the customer must
+	 * decide.
+	 */
+
+	_SysFatalErrorHandler(reason, pEsf);
+
+	for (;;)
+		;
+}