1 files changed, 83 insertions, 0 deletions
diff --git a/driver_library/src/ethosu_stub.cpp b/driver_library/src/ethosu_stub.cpp
new file mode 100644
index 0000000..9dfc029
--- /dev/null
+++ b/driver_library/src/ethosu_stub.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2020-2021 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
+ *
+ * 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 <uapi/ethosu.h>
+
+#include <ethosu.hpp>
+#include <exception>
+#include <iostream>
+
+#include <fcntl.h>
+#include <poll.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+namespace EthosU {
+int eopen(const char *p, int) {
+    std::cout << "Opened filedescriptor for " << p;
+    return 1;
+}
+
+int eclose(int) {
+    return 0;
+}
+
+void *emmap(void *, size_t length, int, int, int, off_t) {
+    void *d = malloc(length);
+    return d;
+}
+
+int emunmap(void *addr, size_t) {
+    free(addr);
+    return 0;
+}
+
+int eioctl(int, unsigned long cmd, void *) {
+    int result = 0;
+    using namespace EthosU;
+
+    switch (cmd) {
+    case ETHOSU_IOCTL_PING:
+        return result;
+    case ETHOSU_IOCTL_VERSION_REQ:
+        return result;
+    case ETHOSU_IOCTL_CAPABILITIES_REQ:
+        return result;
+    case ETHOSU_IOCTL_BUFFER_CREATE:
+        return result;
+    case ETHOSU_IOCTL_BUFFER_SET:
+        return result;
+    case ETHOSU_IOCTL_BUFFER_GET:
+        return result;
+    case ETHOSU_IOCTL_NETWORK_CREATE:
+        return result;
+    case ETHOSU_IOCTL_INFERENCE_CREATE:
+        return result;
+    case ETHOSU_IOCTL_INFERENCE_STATUS:
+        return result;
+    default:
+        throw EthosU::Exception("Unknown IOCTL");
+    }
+}
+
+int epoll(struct pollfd *, nfds_t, int timeout) {
+    sleep(timeout / 2);
+    return 1;
+}
+} // namespace EthosU