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/*
* Copyright (C) 2018-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "iga_wrapper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/os_interface/os_library.h"
#include "opencl/source/os_interface/os_inc_base.h"
#include "helper.h"
#include "igfxfmid.h"
#include "translate_platform_base.h"
#include <memory>
struct IgaLibrary {
pIGAAssemble assemble = nullptr;
pIGAContextCreate contextCreate = nullptr;
pIGAContextGetErrors contextGetErrors = nullptr;
pIGAContextGetWarnings contextGetWarnings = nullptr;
pIGAContextRelease contextRelease = nullptr;
pIGADisassemble disassemble = nullptr;
pIGAStatusToString statusToString = nullptr;
iga_context_options_t OptsContext = {};
std::unique_ptr<NEO::OsLibrary> library;
bool isLoaded() {
return library != nullptr;
}
};
struct IgaWrapper::Impl {
iga_gen_t igaGen = IGA_GEN_INVALID;
IgaLibrary igaLib;
void loadIga() {
IgaLibrary iga;
iga.OptsContext.cb = sizeof(igaLib.OptsContext);
iga.OptsContext.gen = igaGen;
#define STR2(X) #X
#define STR(X) STR2(X)
iga.library.reset(NEO::OsLibrary::load(STR(IGA_LIBRARY_NAME)));
if (iga.library == nullptr) {
return;
}
#define LOAD_OR_ERROR(MEMBER, FUNC_NAME) \
if (nullptr == (iga.MEMBER = reinterpret_cast<decltype(iga.MEMBER)>(iga.library->getProcAddress(FUNC_NAME)))) { \
printf("Warning : Couldn't find %s in %s\n", FUNC_NAME, STR(IGA_LIBRARY_NAME)); \
return; \
}
LOAD_OR_ERROR(assemble, IGA_ASSEMBLE_STR);
LOAD_OR_ERROR(contextCreate, IGA_CONTEXT_CREATE_STR);
LOAD_OR_ERROR(contextGetErrors, IGA_CONTEXT_GET_ERRORS_STR);
LOAD_OR_ERROR(contextGetWarnings, IGA_CONTEXT_GET_WARNINGS_STR);
LOAD_OR_ERROR(contextRelease, IGA_CONTEXT_RELEASE_STR);
LOAD_OR_ERROR(disassemble, IGA_DISASSEMBLE_STR);
LOAD_OR_ERROR(statusToString, IGA_STATUS_TO_STRING_STR);
#undef LOAD_OR_ERROR
#undef STR
#undef STR2
this->igaLib = std::move(iga);
}
};
IgaWrapper::IgaWrapper()
: pimpl(std::make_unique<Impl>()) {
}
IgaWrapper::~IgaWrapper() = default;
bool IgaWrapper::tryDisassembleGenISA(const void *kernelPtr, uint32_t kernelSize, std::string &out) {
if (false == tryLoadIga()) {
messagePrinter->printf("Warning: couldn't load iga - kernel binaries won't be disassembled.\n");
return false;
}
iga_context_t context;
iga_disassemble_options_t disassembleOptions = IGA_DISASSEMBLE_OPTIONS_INIT();
iga_status_t stat;
stat = pimpl->igaLib.contextCreate(&pimpl->igaLib.OptsContext, &context);
if (stat != 0) {
messagePrinter->printf("Error while creating IGA Context! Error msg: %s", pimpl->igaLib.statusToString(stat));
return false;
}
char kernelText = '\0';
char *pKernelText = &kernelText;
stat = pimpl->igaLib.disassemble(context, &disassembleOptions, kernelPtr, kernelSize, nullptr, nullptr, &pKernelText);
if (stat != 0) {
messagePrinter->printf("Error while disassembling with IGA!\nStatus msg: %s\n", pimpl->igaLib.statusToString(stat));
const iga_diagnostic_t *errors;
uint32_t size = 100;
pimpl->igaLib.contextGetErrors(context, &errors, &size);
if (errors != nullptr) {
messagePrinter->printf("Errors: %s\n", errors->message);
}
pimpl->igaLib.contextRelease(context);
return false;
}
const iga_diagnostic_t *warnings;
uint32_t warningsSize = 100;
pimpl->igaLib.contextGetWarnings(context, &warnings, &warningsSize);
if (warningsSize > 0 && warnings != nullptr) {
messagePrinter->printf("Warnings: %s\n", warnings->message);
}
out = pKernelText;
pimpl->igaLib.contextRelease(context);
return true;
}
bool IgaWrapper::tryAssembleGenISA(const std::string &inAsm, std::string &outBinary) {
if (false == tryLoadIga()) {
messagePrinter->printf("Warning: couldn't load iga - kernel binaries won't be assembled.\n");
return false;
}
iga_context_t context;
iga_status_t stat;
iga_assemble_options_t assembleOptions = IGA_ASSEMBLE_OPTIONS_INIT();
stat = pimpl->igaLib.contextCreate(&pimpl->igaLib.OptsContext, &context);
if (stat != 0) {
messagePrinter->printf("Error while creating IGA Context! Error msg: %s", pimpl->igaLib.statusToString(stat));
return false;
}
uint32_t size = 0;
void *pOutput = nullptr;
stat = pimpl->igaLib.assemble(context, &assembleOptions, inAsm.c_str(), &pOutput, &size);
if (stat != 0) {
messagePrinter->printf("Error while assembling with IGA!\nStatus msg: %s\n", pimpl->igaLib.statusToString(stat));
const iga_diagnostic_t *errors;
uint32_t size = 100;
pimpl->igaLib.contextGetErrors(context, &errors, &size);
if (errors != nullptr) {
messagePrinter->printf("Errors: %s\n", errors->message);
}
pimpl->igaLib.contextRelease(context);
return false;
}
const iga_diagnostic_t *warnings;
uint32_t context_size;
pimpl->igaLib.contextGetWarnings(context, &warnings, &context_size);
if (context_size > 0 && warnings != nullptr) {
messagePrinter->printf("Warnings: %s\n", warnings->message);
}
outBinary.assign(reinterpret_cast<char *>(pOutput), reinterpret_cast<char *>(pOutput) + size);
pimpl->igaLib.contextRelease(context);
return true;
}
bool IgaWrapper::tryLoadIga() {
if (false == pimpl->igaLib.isLoaded()) {
pimpl->loadIga();
}
return pimpl->igaLib.isLoaded();
}
void IgaWrapper::setGfxCore(GFXCORE_FAMILY core) {
if (pimpl->igaGen == IGA_GEN_INVALID) {
pimpl->igaGen = translateToIgaGen(core);
}
}
void IgaWrapper::setProductFamily(PRODUCT_FAMILY product) {
if (pimpl->igaGen == IGA_GEN_INVALID) {
pimpl->igaGen = translateToIgaGen(product);
}
}
bool IgaWrapper::isKnownPlatform() const {
return pimpl->igaGen != IGA_GEN_INVALID;
}
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