mpact/sim/decoder/test/push_pop.isa

// Copyright 2024 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.

// This file defines the isa for the push/pop example decoder.

disasm widths = {-18};

isa PushPopInst {
  namespace mpact::sim::decoder::test;
  slots { push_pop_inst; }
}

slot push_pop_inst {
  includes {
    #include "mpact/sim/decoder/test/push_pop.h"
  }
  default size = 2;
  default opcode =
    disasm: "IllegalInstruction",
    semfunc: "&Illegal";
  opcodes {
    push{ : x2, spimm6, rlist, [rlist] : x2 },
      resources: {x2, [rlist] : x2},
      disasm: "push",
      semfunc: "&Push";
    pop{ : x2, spimm6, rlist : x2, [rlist] },
      resources: { x2 : x2, [rlist]},
      disasm: "pop",
      semfunc: "&Pop";
  }
}