[PATCH] Add model file for Coverity

[Sebastian Huber]

---
 static-analysis/coverity/model.c | 63 ++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 static-analysis/coverity/model.c

diff --git a/static-analysis/coverity/model.c b/static-analysis/coverity/model.c
new file mode 100644
index 0000000..cd25d2b
--- /dev/null
+++ b/static-analysis/coverity/model.c
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @brief This file provides models for the Coverity static analyser.
+ *
+ * If you update this file, then ask a project administrator to update the
+ * analysis settings:
+ *
+ * https://scan.coverity.com/projects/rtems?tab=analysis_settings
+ */
+
+/*
+ * Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#define _CPU_Fatal_halt( _source, _error ) \
+  do { \
+    (void) _source; \
+    (void) _error; \
+    __coverity_panic__(); \
+  } while( 0 )
+
+#define _CPU_ISR_Disable( _level ) \
+  do { \
+    _level = 0; \
+    __coverity_exclusive_lock_acquire__( &_level ); \
+  } while( 0 )
+
+#define _CPU_ISR_Enable( _level ) \
+  do { \
+    __coverity_exclusive_lock_release__( &_level ); \
+  } while( 0 )
+
+#define _Assert( _e ) \
+  ( ( _e ) ?  ( void ) 0 : __coverity_panic__() )
+
+void __builtin_unreachable( void )
+{
+  __coverity_panic__();
+}
-- 
2.26.2