github.com/google/trillian-examples@v0.0.0-20240520080811-0d40d35cef0e/binary_transparency/firmware/cmd/emulator/dummy/impl/inner_main.go (about)

     1  // Copyright 2020 Google LLC. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package impl is the implementation of the emulator for the dummy device.
    16  package impl
    17  
    18  import (
    19  	"fmt"
    20  
    21  	"github.com/google/trillian-examples/binary_transparency/firmware/devices/dummy/rom"
    22  )
    23  
    24  // EmulatorOpts encapsulates the parameters for running the emulator.
    25  type EmulatorOpts struct {
    26  	DeviceStorage string
    27  }
    28  
    29  // Main is the entry point for the dummy emulator
    30  func Main(opts EmulatorOpts) error {
    31  	boot, err := rom.Reset(opts.DeviceStorage)
    32  	if err != nil {
    33  		return fmt.Errorf("ROM: %w", err)
    34  	}
    35  
    36  	if err := boot(); err != nil {
    37  		return fmt.Errorf("boot(): %w", err)
    38  	}
    39  
    40  	return nil
    41  }