From 722363692ef294ffed9cfb8a0767339b1d5bcad3 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Tue, 20 Apr 2021 15:44:54 +0200
Subject: validation support

---
 spec/build/testsuites/validation/libvalidation.yml |  2 +
 testsuites/validation/tx-memory.c                  | 84 ++++++++++++++++++++++
 testsuites/validation/tx-support.h                 | 13 ++++
 3 files changed, 99 insertions(+)
 create mode 100644 testsuites/validation/tx-memory.c

diff --git a/spec/build/testsuites/validation/libvalidation.yml b/spec/build/testsuites/validation/libvalidation.yml
index 5011679135..a3e530d437 100644
--- a/spec/build/testsuites/validation/libvalidation.yml
+++ b/spec/build/testsuites/validation/libvalidation.yml
@@ -13,8 +13,10 @@ links: []
 source:
 - testsuites/validation/tx-call-within-isr.c
 - testsuites/validation/tx-interrupt.c
+- testsuites/validation/tx-memory.c
 - testsuites/validation/tx-memory-alloc.c
 - testsuites/validation/tx-support.c
+- testsuites/validation/tx-thread-queue.c
 - testsuites/validation/tx-timecounter.c
 - testsuites/validation/tx-timer-server.c
 - testsuites/validation/tx-thread-queue.c
diff --git a/testsuites/validation/tx-memory.c b/testsuites/validation/tx-memory.c
new file mode 100644
index 0000000000..c8199c7166
--- /dev/null
+++ b/testsuites/validation/tx-memory.c
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSTestSuites
+ *
+ * @brief This source file contains the definition of MemorySave() and
+ * MemoryRestore().
+ */
+
+/*
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "tx-support.h"
+
+#include <rtems/test.h>
+#include <rtems/score/memory.h>
+
+void MemorySave( MemoryContext *ctx )
+{
+  const Memory_Information *mem;
+  size_t                    n;
+  size_t                    i;
+
+  mem = _Memory_Get();
+  n = _Memory_Get_count( mem );
+  ctx->count = n;
+  T_assert_le_sz( n, RTEMS_ARRAY_SIZE( ctx->areas ) );
+
+  for ( i = 0; i < n; ++i ) {
+    Memory_Area *area;
+
+    area = _Memory_Get_area( mem, i );
+    ctx->areas[ i ].begin = _Memory_Get_begin( area );
+    ctx->areas[ i ].free_begin = _Memory_Get_free_begin( area );
+    ctx->areas[ i ].end = _Memory_Get_end( area );
+  }
+}
+
+void MemoryRestore( const MemoryContext *ctx )
+{
+  const Memory_Information *mem;
+  size_t                    n;
+  size_t                    i;
+
+  mem = _Memory_Get();
+  n = ctx->count;
+
+  for ( i = 0; i < n; ++i ) {
+    Memory_Area *area;
+
+    area = _Memory_Get_area( mem, i );
+    _Memory_Set_begin( area, ctx->areas[ i ].begin );
+    _Memory_Set_free_begin( area, ctx->areas[ i ].free_begin );
+    _Memory_Set_end( area, ctx->areas[ i ].end );
+  }
+}
diff --git a/testsuites/validation/tx-support.h b/testsuites/validation/tx-support.h
index cddc496fe8..ca128d2e2d 100644
--- a/testsuites/validation/tx-support.h
+++ b/testsuites/validation/tx-support.h
@@ -208,6 +208,19 @@ uint32_t SetTimecountCounter( uint32_t counter );
  */
 bool DeleteTimerServer( void );
 
+typedef struct {
+  struct {
+    const void *begin;
+    void *free_begin;
+    const void *end;
+  } areas[ 2 ];
+  size_t count;
+} MemoryContext;
+
+void MemorySave( MemoryContext *ctx );
+
+void MemoryRestore( const MemoryContext *ctx );
+
 /**
  * @brief Fails a dynamic memory allocation when the counter reaches zero.
  *
-- 
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