Files
snapd/bootloader/androidboot.go
Samuele Pedroni 9621752ff7 many: pass the rootdir and options to bootloader.Find
the only option for now is for knowing whether
ths bootloader is being used in prepare-image

this should help cleaning up the LittleKernel work

this is only an intermediate step toward refactoring image
vs boot/bootloader interaction
2019-09-05 19:32:04 +02:00

96 lines
2.2 KiB
Go

// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2017 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package bootloader
import (
"os"
"path/filepath"
"github.com/snapcore/snapd/bootloader/androidbootenv"
"github.com/snapcore/snapd/osutil"
"github.com/snapcore/snapd/snap"
)
type androidboot struct {
rootdir string
}
// newAndroidboot creates a new Androidboot bootloader object
func newAndroidBoot(rootdir string) Bootloader {
a := &androidboot{rootdir: rootdir}
if !osutil.FileExists(a.ConfigFile()) {
return nil
}
return a
}
func (a *androidboot) Name() string {
return "androidboot"
}
func (a *androidboot) setRootDir(rootdir string) {
a.rootdir = rootdir
}
func (a *androidboot) dir() string {
if a.rootdir == "" {
panic("internal error: unset rootdir")
}
return filepath.Join(a.rootdir, "/boot/androidboot")
}
func (a *androidboot) ConfigFile() string {
return filepath.Join(a.dir(), "androidboot.env")
}
func (a *androidboot) GetBootVars(names ...string) (map[string]string, error) {
env := androidbootenv.NewEnv(a.ConfigFile())
if err := env.Load(); err != nil {
return nil, err
}
out := make(map[string]string, len(names))
for _, name := range names {
out[name] = env.Get(name)
}
return out, nil
}
func (a *androidboot) SetBootVars(values map[string]string) error {
env := androidbootenv.NewEnv(a.ConfigFile())
if err := env.Load(); err != nil && !os.IsNotExist(err) {
return err
}
for k, v := range values {
env.Set(k, v)
}
return env.Save()
}
func (a *androidboot) ExtractKernelAssets(s snap.PlaceInfo, snapf snap.Container) error {
return nil
}
func (a *androidboot) RemoveKernelAssets(s snap.PlaceInfo) error {
return nil
}