Updating message handler firmware23.02-rc1

The 'message handler' firmware was based on a custom interface between
Linux and the firmware. Because the kernel driver has been converted
into a rpmsg driver, the 'message handler' application has been updated
into an OpenAMP based firmware.

Change-Id: I1339180c4f53cbad42501a2827863b7b49561ff4

1 files changed, 0 insertions, 187 deletions

diff --git a/applications/message_handler/lib/include/message_handler.hpp b/applications/message_handler/lib/include/message_handler.hpp
deleted file mode 100644
index 98875f4..0000000
--- a/applications/message_handler/lib/include/message_handler.hpp
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Copyright (c) 2020-2022 Arm Limited.
- *
- * 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.
- */
-
-#ifndef MESSAGE_HANDLER_H
-#define MESSAGE_HANDLER_H
-
-#include "FreeRTOS.h"
-#include "queue.h"
-#include "semphr.h"
-
-#include "message_queue.hpp"
-#include "networks.hpp"
-#include <ethosu_core_interface.h>
-#if defined(ETHOSU)
-#include <ethosu_driver.h>
-#endif
-#include <inference_parser.hpp>
-#include <inference_process.hpp>
-#include <mailbox.hpp>
-
-#include <algorithm>
-#include <cstddef>
-#include <cstdio>
-#include <inttypes.h>
-#include <list>
-#include <vector>
-
-namespace MessageHandler {
-
-template <typename T, size_t capacity = 5>
-class Queue {
-public:
-    using Predicate = std::function<bool(const T &data)>;
-
-    Queue() {
-        mutex = xSemaphoreCreateMutex();
-        size  = xSemaphoreCreateCounting(capacity, 0u);
-
-        if (mutex == nullptr || size == nullptr) {
-            printf("Error: failed to allocate memory for inference queue\n");
-        }
-    }
-
-    ~Queue() {
-        vSemaphoreDelete(mutex);
-        vSemaphoreDelete(size);
-    }
-
-    bool push(const T &data) {
-        xSemaphoreTake(mutex, portMAX_DELAY);
-        if (list.size() >= capacity) {
-            xSemaphoreGive(mutex);
-            return false;
-        }
-
-        list.push_back(data);
-        xSemaphoreGive(mutex);
-
-        // increase number of available inferences to pop
-        xSemaphoreGive(size);
-        return true;
-    }
-
-    void pop(T &data) {
-        // decrease the number of available inferences to pop
-        xSemaphoreTake(size, portMAX_DELAY);
-
-        xSemaphoreTake(mutex, portMAX_DELAY);
-        data = list.front();
-        list.pop_front();
-        xSemaphoreGive(mutex);
-    }
-
-    bool erase(Predicate pred) {
-        // let's optimistically assume we are removing an inference, so decrease pop
-        if (pdFALSE == xSemaphoreTake(size, 0)) {
-            // if there are no inferences return immediately
-            return false;
-        }
-
-        xSemaphoreTake(mutex, portMAX_DELAY);
-        auto found  = std::find_if(list.begin(), list.end(), pred);
-        bool erased = found != list.end();
-        if (erased) {
-            list.erase(found);
-        }
-        xSemaphoreGive(mutex);
-
-        if (!erased) {
-            // no inference erased, so let's put the size count back
-            xSemaphoreGive(size);
-        }
-
-        return erased;
-    }
-
-private:
-    std::list<T> list;
-
-    SemaphoreHandle_t mutex;
-    SemaphoreHandle_t size;
-};
-
-class IncomingMessageHandler {
-public:
-    IncomingMessageHandler(EthosU::ethosu_core_queue &inputMessageQueue,
-                           EthosU::ethosu_core_queue &outputMessageQueue,
-                           Mailbox::Mailbox &mailbox,
-                           std::shared_ptr<Queue<EthosU::ethosu_core_inference_req>> inferenceInputQueue,
-                           QueueHandle_t inferenceOutputQueue,
-                           SemaphoreHandle_t messageNotify,
-                           std::shared_ptr<Networks> networks);
-
-    void run();
-
-private:
-    bool handleMessage();
-    bool handleInferenceOutput();
-    static void handleIrq(void *userArg);
-
-    void sendPong();
-    void sendErrorAndResetQueue(EthosU::ethosu_core_msg_err_type type, const char *message);
-    void sendVersionRsp();
-    void sendCapabilitiesRsp(uint64_t userArg);
-    void sendNetworkInfoRsp(uint64_t userArg, EthosU::ethosu_core_network_buffer &network);
-    void sendInferenceRsp(EthosU::ethosu_core_inference_rsp &inference);
-    void sendFailedInferenceRsp(uint64_t userArg, uint32_t status);
-    void sendCancelInferenceRsp(uint64_t userArg, uint32_t status);
-    void readCapabilties(EthosU::ethosu_core_msg_capabilities_rsp &rsp);
-
-    MessageQueue::QueueImpl inputMessageQueue;
-    MessageQueue::QueueImpl outputMessageQueue;
-    Mailbox::Mailbox &mailbox;
-    InferenceProcess::InferenceParser parser;
-    std::shared_ptr<Queue<EthosU::ethosu_core_inference_req>> inferenceInputQueue;
-    QueueHandle_t inferenceOutputQueue;
-    SemaphoreHandle_t messageNotify;
-    EthosU::ethosu_core_msg_capabilities_rsp capabilities;
-    std::shared_ptr<Networks> networks;
-};
-
-class InferenceHandler {
-public:
-    InferenceHandler(uint8_t *tensorArena,
-                     size_t arenaSize,
-                     std::shared_ptr<Queue<EthosU::ethosu_core_inference_req>> inferenceInputQueue,
-                     QueueHandle_t inferenceOutputQueue,
-                     SemaphoreHandle_t messageNotify,
-                     std::shared_ptr<Networks> networks);
-
-    void run();
-
-private:
-    void runInference(EthosU::ethosu_core_inference_req &req, EthosU::ethosu_core_inference_rsp &rsp);
-    bool getInferenceJob(const EthosU::ethosu_core_inference_req &req, InferenceProcess::InferenceJob &job);
-
-#if defined(ETHOSU)
-    friend void ::ethosu_inference_begin(struct ethosu_driver *drv, void *userArg);
-    friend void ::ethosu_inference_end(struct ethosu_driver *drv, void *userArg);
-#endif
-    std::shared_ptr<Queue<EthosU::ethosu_core_inference_req>> inferenceInputQueue;
-    QueueHandle_t inferenceOutputQueue;
-    SemaphoreHandle_t messageNotify;
-    InferenceProcess::InferenceProcess inference;
-    EthosU::ethosu_core_inference_req *currentReq;
-    EthosU::ethosu_core_inference_rsp *currentRsp;
-    std::shared_ptr<Networks> networks;
-};
-
-} // namespace MessageHandler
-
-#endif