riscv/riscv32gzb_vec_decoder.cc

// Copyright 2023 Google LLC
//
// 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
//
//     https://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.

#include "riscv/riscv32gzb_vec_decoder.h"

#include <cstdint>
#include <memory>

#include "mpact/sim/generic/instruction.h"
#include "mpact/sim/generic/type_helpers.h"
#include "mpact/sim/util/memory/memory_interface.h"
#include "riscv/riscv32gvzb_decoder.h"
#include "riscv/riscv32gvzb_enums.h"
#include "riscv/riscv32gzb_vec_encoding.h"
#include "riscv/riscv_generic_decoder.h"
#include "riscv/riscv_state.h"

namespace mpact {
namespace sim {
namespace riscv {

using ::mpact::sim::generic::operator*;  // NOLINT: is used below (clang error).

RiscV32GZBVecDecoder::RiscV32GZBVecDecoder(RiscVState* state,
                                           util::MemoryInterface* memory)
    : state_(state), memory_(memory) {
  // Allocate the isa factory class, the top level isa decoder instance, and
  // the encoding parser.
  riscv_isa_factory_ = std::make_unique<RV32GVZBIsaFactory>();
  riscv_isa_ = std::make_unique<isa32gvzb::RiscV32GVZBInstructionSet>(
      state, riscv_isa_factory_.get());
  riscv_encoding_ = std::make_unique<isa32gvzb::RiscV32GZBVecEncoding>(state);
  decoder_ = std::make_unique<RiscVGenericDecoder<
      RiscVState, isa32gvzb::OpcodeEnum, isa32gvzb::RiscV32GZBVecEncoding,
      isa32gvzb::RiscV32GVZBInstructionSet>>(
      state, memory, riscv_encoding_.get(), riscv_isa_.get());
}

generic::Instruction* RiscV32GZBVecDecoder::DecodeInstruction(
    uint64_t address) {
  return decoder_->DecodeInstruction(address);
}

}  // namespace riscv
}  // namespace sim
}  // namespace mpact