File: printf_handler.cpp

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/*
 * Copyright (C) 2019-2020 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "level_zero/core/source/printf_handler/printf_handler.h"

#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/program/print_formatter.h"

#include "level_zero/core/source/device/device_imp.h"

namespace L0 {

NEO::GraphicsAllocation *PrintfHandler::createPrintfBuffer(Device *device) {
    NEO::AllocationProperties properties(
        device->getRootDeviceIndex(), PrintfHandler::printfBufferSize, NEO::GraphicsAllocation::AllocationType::PRINTF_SURFACE, device->getNEODevice()->getDeviceBitfield());
    properties.alignment = MemoryConstants::pageSize64k;
    auto allocation = device->getNEODevice()->getMemoryManager()->allocateGraphicsMemoryWithProperties(properties);

    *reinterpret_cast<uint32_t *>(allocation->getUnderlyingBuffer()) =
        PrintfHandler::printfSurfaceInitialDataSize;
    return allocation;
}

void PrintfHandler::printOutput(const KernelImmutableData *kernelData,
                                NEO::GraphicsAllocation *printfBuffer, Device *device) {
    bool using32BitGpuPointers = kernelData->getDescriptor().kernelAttributes.gpuPointerSize == 4u;
    NEO::PrintFormatter printfFormatter{static_cast<uint8_t *>(printfBuffer->getUnderlyingBuffer()),
                                        static_cast<uint32_t>(printfBuffer->getUnderlyingBufferSize()),
                                        using32BitGpuPointers,
                                        kernelData->getDescriptor().kernelMetadata.printfStringsMap};
    printfFormatter.printKernelOutput();

    *reinterpret_cast<uint32_t *>(printfBuffer->getUnderlyingBuffer()) =
        PrintfHandler::printfSurfaceInitialDataSize;
}

size_t PrintfHandler::getPrintBufferSize() {
    return PrintfHandler::printfBufferSize;
}

} // namespace L0