This primitive test case memory allocator uses memory from the low-level
memory information provided by the BSP. At the beginning of each test
case, the memory available to the test case is reinitialized. This
allows the use of a simple allocate only allocator.
---
cpukit/include/rtems/test.h | 6 ++
cpukit/libtest/t-test-rtems-memory.c | 86 ++++++++++++++++++++++++++++
spec/build/cpukit/librtemstest.yml | 1 +
3 files changed, 93 insertions(+)
create mode 100644 cpukit/libtest/t-test-rtems-memory.c
diff --git a/cpukit/include/rtems/test.h b/cpukit/include/rtems/test.h
index 7d8b131286..ae81aac4d0 100644
--- a/cpukit/include/rtems/test.h
+++ b/cpukit/include/rtems/test.h
@@ -2463,6 +2463,12 @@ void T_report_hash_sha256(T_event, const char *);
void T_check_heap(T_event, const char *);
#ifdef __rtems__
+void T_memory_action(T_event, const char *);
+
+void *T_memory_allocate(size_t);
+
+void T_memory_deallocate(void *);
+
void T_check_task_context(T_event, const char *);
void T_check_file_descriptors(T_event, const char *);
diff --git a/cpukit/libtest/t-test-rtems-memory.c
b/cpukit/libtest/t-test-rtems-memory.c
new file mode 100644
index 0000000000..92d21a7ccd
--- /dev/null
+++ b/cpukit/libtest/t-test-rtems-memory.c
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2020 embedded brains GmbH
+ *
+ * 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.
+ */
+
+#include <rtems/test.h>
+
+#include <rtems/score/memory.h>
+#include <rtems/sysinit.h>
+
+static Memory_Area T_memory_areas[1];
+
+static Memory_Information T_memory_information =
+ MEMORY_INFORMATION_INITIALIZER(T_memory_areas);
+
+static void
+T_memory_initialize(void)
+{
+ const Memory_Information *mem;
+ Memory_Area *area;
+ void *begin;
+ uintptr_t size;
+
+ mem = _Memory_Get();
+ area = _Memory_Get_area(mem, 0);
+ begin = _Memory_Get_free_begin(area);
+ size = _Memory_Get_free_size(area) / 2;
+ _Memory_Consume(area, size);
+ _Memory_Initialize_by_size(&T_memory_areas[0], begin, size);
+}
+
+RTEMS_SYSINIT_ITEM(T_memory_initialize, RTEMS_SYSINIT_WORKSPACE,
+ RTEMS_SYSINIT_ORDER_FIRST);
+
+void *
+T_memory_allocate(size_t size)
+{
+ return _Memory_Allocate(&T_memory_information, size,
+ CPU_HEAP_ALIGNMENT);
+}
+
+void
+T_memory_deallocate(void *ptr)
+{
+ (void)ptr;
+}
+
+void
+T_memory_action(T_event event, const char *name)
+{
+ Memory_Area *area;
+
+ (void)name;
+
+ switch (event) {
+ case T_EVENT_CASE_BEGIN:
+ area = &T_memory_areas[0];
+ _Memory_Set_free_begin(area,
+ RTEMS_DECONST(void *, _Memory_Get_begin(area)));
+ break;
+ default:
+ break;
+ };
+}
diff --git a/spec/build/cpukit/librtemstest.yml
b/spec/build/cpukit/librtemstest.yml
index ee116fba49..ae5ffeeb9b 100644
--- a/spec/build/cpukit/librtemstest.yml
+++ b/spec/build/cpukit/librtemstest.yml
@@ -30,6 +30,7 @@ source:
- cpukit/libtest/t-test-rtems-fds.c
- cpukit/libtest/t-test-rtems-heap.c
- cpukit/libtest/t-test-rtems-measure.c
+- cpukit/libtest/t-test-rtems-memory.c
- cpukit/libtest/t-test-rtems-posix-keys.c
- cpukit/libtest/t-test-rtems-objs.c
- cpukit/libtest/t-test-time.c
--
2.26.2
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