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/*
* SPDX-FileCopyrightText: Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
* 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.
*/
/*****************************************************************************
* Includes
*****************************************************************************/
#include <cinttypes>
#include <memory>
#include <stdio.h>
#include <ethosu_log.h>
#include <mailbox.hpp>
#if defined(MHU_V2)
#include <mhu_v2.hpp>
#elif defined(MHU_JUNO)
#include <mhu_juno.hpp>
#else
#include <mhu_dummy.hpp>
#endif
#include "inference_runner.hpp"
#include "message_handler.hpp"
#include "remoteproc.hpp"
/*****************************************************************************
* TFLM arena
*****************************************************************************/
// Number of parallell inference tasks. Typically one per NPU.
#if defined(ETHOSU) && defined(ETHOSU_NPU_COUNT) && ETHOSU_NPU_COUNT > 0
constexpr size_t NUM_PARALLEL_TASKS = ETHOSU_NPU_COUNT;
#else
constexpr size_t NUM_PARALLEL_TASKS = 1;
#endif
#ifndef TENSOR_ARENA_SIZE
#define TENSOR_ARENA_SIZE 2000000
#endif
// TensorArena static initialisation
constexpr size_t arenaSize = TENSOR_ARENA_SIZE;
/*****************************************************************************
* Resource table
*****************************************************************************/
#if defined(REMOTEPROC_TRACE_BUFFER)
#if defined(__ARMCC_VERSION)
extern uint32_t Image$$trace_buffer$$Base;
extern uint32_t Image$$trace_buffer$$Length;
#define __ethosu_core_trace_buffer_start__ Image$$trace_buffer$$Base
#define __ethosu_core_trace_buffer_size__ Image$$trace_buffer$$Length
#else
extern uint32_t __ethosu_core_trace_buffer_start__;
extern uint32_t __ethosu_core_trace_buffer_size__;
#endif
#endif
extern "C" {
// clang-format off
__attribute__((section(".resource_table"))) ResourceTable resourceTable = {
// Table
{
ResourceTable::VERSION,
ResourceTable::NUM_RESOURCES,
{ResourceTable::RESERVED, ResourceTable::RESERVED},
{}
},
// Offset
{
offsetof(ResourceTable, mapping),
#if defined(REMOTEPROC_TRACE_BUFFER)
offsetof(ResourceTable, trace),
#endif
offsetof(ResourceTable, vdev),
offsetof(ResourceTable, carveout),
},
// Mappings
{
RSC_MAPPING,
ResourceTable::NUM_RANGES,
{}
},
// Ranges
{
{ 0, 0, 0 },
{ 0, 0, 0 },
},
// Trace buffer
#if defined(REMOTEPROC_TRACE_BUFFER)
{
RSC_TRACE,
reinterpret_cast<uint32_t>(&__ethosu_core_trace_buffer_start__),
reinterpret_cast<uint32_t>(&__ethosu_core_trace_buffer_size__),
ResourceTable::RESERVED,
"Trace resource"
},
#endif
// VDEV
{
RSC_VDEV,
VIRTIO_ID_RPMSG,
2, // Notify ID
1 << VIRTIO_RPMSG_F_NS,
0,
0,
0,
ResourceTable::NUM_VRINGS,
{ResourceTable::RESERVED, ResourceTable::RESERVED},
{}
},
// Vrings
{
{FW_RSC_U32_ADDR_ANY, ResourceTable::VRING_ALIGN, ResourceTable::VRING_SIZE, 1, ResourceTable::RESERVED},
{FW_RSC_U32_ADDR_ANY, ResourceTable::VRING_ALIGN, ResourceTable::VRING_SIZE, 2, ResourceTable::RESERVED}
},
// Carveout
{
RSC_CARVEOUT,
FW_RSC_U32_ADDR_ANY,
FW_RSC_U32_ADDR_ANY,
arenaSize * NUM_PARALLEL_TASKS,
0,
ResourceTable::RESERVED,
"TFLM arena"
}
};
// clang-format on
}
/*****************************************************************************
* Mailbox
*****************************************************************************/
namespace {
#ifdef MHU_V2
Mailbox::MHUv2 mailbox(MHU_TX_BASE_ADDRESS, MHU_RX_BASE_ADDRESS); // txBase, rxBase
#elif defined(MHU_JUNO)
Mailbox::MHUJuno mailbox(MHU_BASE_ADDRESS);
#else
Mailbox::MHUDummy mailbox;
#endif
#ifdef MHU_IRQ
void mailboxIrqHandler() {
LOG_DEBUG("");
mailbox.handleMessage();
}
#define MHU_IRQ_PRIORITY 5
#endif
} // namespace
/*****************************************************************************
* main
*****************************************************************************/
int main() {
printf("Ethos-U Message Handler OpenAMP\n");
auto rproc = std::make_shared<RProc>(mailbox, resourceTable.table, sizeof(resourceTable));
auto messageHandler = std::make_shared<MessageHandler>(*rproc, "ethos-u-0.0");
printf("TFLM arena. pa=%" PRIx32 ", da=%" PRIx32 ", len=%" PRIx32 "\n",
resourceTable.carveout.pa,
resourceTable.carveout.da,
resourceTable.carveout.len);
std::array<std::shared_ptr<InferenceRunner>, NUM_PARALLEL_TASKS> inferenceRunner;
for (size_t i = 0; i < NUM_PARALLEL_TASKS; i++) {
auto tensorArena = reinterpret_cast<uint8_t *>(resourceTable.carveout.da);
inferenceRunner[i] = std::make_shared<InferenceRunner>(&tensorArena[arenaSize * i],
arenaSize,
messageHandler->getInferenceQueue(),
messageHandler->getResponseQueue());
}
#ifdef MHU_IRQ
// Register mailbox interrupt handler
NVIC_SetVector(static_cast<IRQn_Type>(MHU_IRQ), (uint32_t)&mailboxIrqHandler);
NVIC_SetPriority(static_cast<IRQn_Type>(MHU_IRQ), MHU_IRQ_PRIORITY);
NVIC_EnableIRQ(static_cast<IRQn_Type>(MHU_IRQ));
#endif
// Start Scheduler
vTaskStartScheduler();
return 0;
}
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