Diff: features/FEATURE_UVISOR/source/rtx/tz_context.c

Revision:

0:b74591d5ab33

diff -r 000000000000 -r b74591d5ab33 features/FEATURE_UVISOR/source/rtx/tz_context.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/features/FEATURE_UVISOR/source/rtx/tz_context.c	Mon Dec 11 17:54:04 2017 +0000
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "tz_context.h"
+#include <stdint.h>
+
+/* Provide do-nothing stubs for RTX's trustzone context saving hooks. uVisor
+ * doesn't use these on ARMv8-M. */
+
+uint32_t TZ_InitContextSystem_S(void) {
+    return 1; /* Success */
+}
+
+TZ_MemoryId_t TZ_AllocModuleContext_S(TZ_ModuleId_t module) {
+    return 1; /* Always hand out slot 1. */
+}
+
+uint32_t TZ_FreeModuleContext_S(TZ_MemoryId_t id) {
+    return 1; /* Success */
+}
+
+uint32_t TZ_LoadContext_S(TZ_MemoryId_t id) {
+    return 1; /* Success */
+}
+
+uint32_t TZ_StoreContext_S(TZ_MemoryId_t id) {
+    return 1; /* Success */
+}