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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/compiler_interface/intermediate_representations.h"
#include "shared/source/device_binary_format/device_binary_formats.h"
#include "shared/source/device_binary_format/elf/elf_decoder.h"
#include "shared/source/device_binary_format/elf/elf_encoder.h"
#include "shared/source/device_binary_format/elf/zebin_elf.h"
#include "shared/source/program/program_info.h"
#include <tuple>
namespace NEO {
template <>
bool isDeviceBinaryFormat<NEO::DeviceBinaryFormat::Zebin>(const ArrayRef<const uint8_t> binary) {
auto header = Elf::decodeElfFileHeader<Elf::EI_CLASS_64>(binary);
if (nullptr == header) {
return false;
}
return header->type == NEO::Elf::ET_ZEBIN_EXE;
}
template <>
SingleDeviceBinary unpackSingleDeviceBinary<NEO::DeviceBinaryFormat::Zebin>(const ArrayRef<const uint8_t> archive, const ConstStringRef requestedProductAbbreviation, const TargetDevice &requestedTargetDevice,
std::string &outErrReason, std::string &outWarning) {
auto elf = Elf::decodeElf<Elf::EI_CLASS_64>(archive, outErrReason, outWarning);
if (nullptr == elf.elfFileHeader) {
return {};
}
switch (elf.elfFileHeader->type) {
default:
outErrReason = "Unhandled elf type";
return {};
case NEO::Elf::ET_ZEBIN_EXE:
break;
}
const auto &flags = reinterpret_cast<const NEO::Elf::ZebinTargetFlags &>(elf.elfFileHeader->flags);
bool validForTarget = flags.machineEntryUsesGfxCoreInsteadOfProductFamily
? (requestedTargetDevice.coreFamily == static_cast<GFXCORE_FAMILY>(elf.elfFileHeader->machine))
: (requestedTargetDevice.productFamily == static_cast<PRODUCT_FAMILY>(elf.elfFileHeader->machine));
validForTarget &= (requestedTargetDevice.maxPointerSizeInBytes == 8U);
validForTarget &= (0 == flags.validateRevisionId) | ((requestedTargetDevice.stepping >= flags.minHwRevisionId) & (requestedTargetDevice.stepping <= flags.maxHwRevisionId));
if (false == validForTarget) {
outErrReason = "Unhandled target device";
return {};
}
SingleDeviceBinary ret;
ret.deviceBinary = archive;
ret.format = NEO::DeviceBinaryFormat::Zebin;
ret.targetDevice = requestedTargetDevice;
return ret;
}
} // namespace NEO
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