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orangecmsArthurHeymansrminnichChriMarMePatrickRudolph
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Import cbfs from github.com/linuxboot/cbfs
Co-authored-by: Arthur Heymans <arthur@aheymans.xyz> Co-authored-by: Ronald G. Minnich <rminnich@gmail.com> Co-authored-by: Daniel Maslowski <info@orangecms.org> Co-authored-by: ron minnich <rminnich@gmail.com> Co-authored-by: Christopher Meis <christopher.meis@9elements.com> Co-authored-by: Patrick Rudolph <patrick.rudolph@9elements.com> Signed-off-by: Daniel Maslowski <info@orangecms.org>
1 parent 9a1898c commit fd15d1b

18 files changed

Lines changed: 1502 additions & 0 deletions

‎cmds/cbfs/cbfs.go‎

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package main
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import (
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"encoding/json"
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"fmt"
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"log"
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"github.com/linuxboot/cbfs/pkg/cbfs"
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flag "github.com/spf13/pflag"
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)
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var debug = flag.BoolP("debug", "d", false, "enable debug prints")
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func main() {
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flag.Parse()
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if *debug {
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cbfs.Debug = log.Printf
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}
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a := flag.Args()
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if len(a) != 2 {
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log.Fatal("arg count")
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}
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i, err := cbfs.Open(a[0])
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if err != nil {
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log.Fatal(err)
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}
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switch a[1] {
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case "list":
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fmt.Printf("%s", i.String())
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case "json":
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j, err := json.MarshalIndent(i, " ", " ")
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if err != nil {
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log.Fatal(err)
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}
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fmt.Printf("%s", string(j))
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default:
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log.Fatal("?")
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}
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}

‎pkg/cbfs/bootblock.go‎

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package cbfs
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import (
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"io"
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"log"
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)
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func init() {
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if err := RegisterFileReader(&SegReader{Type: TypeBootBlock, Name: "CBFSBootBlock", New: NewBootBlock}); err != nil {
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log.Fatal(err)
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}
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}
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func NewBootBlock(f *File) (ReadWriter, error) {
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r := &BootBlockRecord{File: *f}
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Debug("Got header %s", r.String())
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return r, nil
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}
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func (r *BootBlockRecord) Read(in io.ReadSeeker) error {
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return nil
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}
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func (r *BootBlockRecord) String() string {
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return recString(r.File.Name, r.RecordStart, r.Type.String(), r.Size, "none")
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}
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func (r *BootBlockRecord) Write(w io.Writer) error {
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return Write(w, r.FData)
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}
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func (r *BootBlockRecord) GetFile() *File {
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return &r.File
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}

‎pkg/cbfs/cbfs.go‎

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package cbfs
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import "os"
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func Open(n string) (*Image, error) {
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f, err := os.Open(n)
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if err != nil {
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return nil, err
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}
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return NewImage(f)
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}

‎pkg/cbfs/cmoslayout.go‎

Lines changed: 33 additions & 0 deletions
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package cbfs
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import (
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"io"
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"log"
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)
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func init() {
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if err := RegisterFileReader(&SegReader{Type: TypeCMOSLayout, Name: "CBFSCMOSLayout", New: NewCMOSLayout}); err != nil {
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log.Fatal(err)
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}
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}
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func NewCMOSLayout(f *File) (ReadWriter, error) {
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rec := &CMOSLayoutRecord{File: *f}
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return rec, nil
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}
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func (r *CMOSLayoutRecord) Read(in io.ReadSeeker) error {
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return nil
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}
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func (r *CMOSLayoutRecord) String() string {
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return recString(r.File.Name, r.RecordStart, r.Type.String(), r.Size, "none")
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}
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func (r *CMOSLayoutRecord) Write(w io.Writer) error {
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return Write(w, r.FData)
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}
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func (r *CMOSLayoutRecord) GetFile() *File {
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return &r.File
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}

‎pkg/cbfs/data.go‎

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package cbfs
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var (
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Master = []byte{
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/*0000*/ 0x5f, 0x5f, 0x46, 0x4d, 0x41, 0x50, 0x5f, 0x5f, 0x01, 0x01, 0x00, 0x00, 0xfc, 0xff, 0x00, 0x00, //|__FMAP__........|
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/*0010*/ 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x46, 0x4c, 0x41, 0x53, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, //|......FLASH.....|
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/*0020*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|................|
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/*0030*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, //|................|
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/*0040*/ 0x42, 0x49, 0x4f, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|BIOS............|
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/*0050*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|................|
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/*0060*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x46, 0x4d, 0x41, 0x50, 0x00, 0x00, //|..........FMAP..|
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/*0070*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|................|
13+
/*0080*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, //|................|
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/*0090*/ 0x00, 0xfe, 0x03, 0x00, 0x43, 0x4f, 0x52, 0x45, 0x42, 0x4f, 0x4f, 0x54, 0x00, 0x00, 0x00, 0x00, //|....COREBOOT....|
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/*00a0*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|................|
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/*00b0*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*00c0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
18+
/*00d0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
19+
/*00e0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*00f0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0100*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0110*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0120*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0130*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0140*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0150*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0160*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0170*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0180*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0190*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*01a0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*01b0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*01c0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*01d0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*01e0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*01f0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0200*/ 0x4c, 0x41, 0x52, 0x43, 0x48, 0x49, 0x56, 0x45, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x02, //|LARCHIVE... ....|
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/*0210*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x63, 0x62, 0x66, 0x73, 0x20, 0x6d, 0x61, 0x73, //|.......8cbfs mas|
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/*0220*/ 0x74, 0x65, 0x72, 0x20, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|ter header......|
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/*0230*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x52, 0x42, 0x43, 0x31, 0x31, 0x31, 0x32, //|........ORBC1112|
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/*0240*/ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x02, 0x00, //|...........@....|
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/*0250*/ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0260*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*0270*/ 0x4c, 0x41, 0x52, 0x43, 0x48, 0x49, 0x56, 0x45, 0x00, 0x00, 0x00, 0x20, 0xff, 0xff, 0xff, 0xff, //|LARCHIVE..w.....|
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/*0280*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //|.......(........|
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/*0290*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*02a0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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/*02b0*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, //|................|
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}
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ListOutput = `FMAP REGIOName: COREBOOT
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Name Offset Type Size Comp
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cbfs master header 0x0 cbfs header 32 none
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fallback/romstage 0x80 stage 15812 none
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fallback/ramstage 0x3ec0 stage 52417 none
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config 0x10bc0 raw 355 none
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revision 0x10d80 raw 576 none
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cmos_layout.bin 0x11000 cmos_layout 548 none
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fallback/dsdt.aml 0x11280 raw 6952 none
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fallback/payload 0x12e00 simple elf 28 none
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(empty) 0x12e80 null 183192 none
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bootblock 0x3fa40 bootblock 880 none
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`
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)

‎pkg/cbfs/empty.go‎

Lines changed: 40 additions & 0 deletions
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package cbfs
2+
3+
import (
4+
"io"
5+
"log"
6+
)
7+
8+
func init() {
9+
if err := RegisterFileReader(&SegReader{Type: TypeDeleted, Name: "CBFSEmpty", New: NewEmptyRecord}); err != nil {
10+
log.Fatal(err)
11+
}
12+
if err := RegisterFileReader(&SegReader{Type: TypeDeleted2, Name: "CBFSEmpty", New: NewEmptyRecord}); err != nil {
13+
log.Fatal(err)
14+
}
15+
}
16+
17+
func NewEmptyRecord(f *File) (ReadWriter, error) {
18+
r := &EmptyRecord{File: *f}
19+
Debug("Got header %v", r.String())
20+
r.Type = TypeDeleted2
21+
r.Attr = make([]byte, 16)
22+
r.FData = ffbyte(f.Size)
23+
return r, nil
24+
}
25+
26+
func (r *EmptyRecord) Read(in io.ReadSeeker) error {
27+
return nil
28+
}
29+
30+
func (r *EmptyRecord) String() string {
31+
return recString("(empty)", r.RecordStart, r.Type.String(), r.Size, "none")
32+
}
33+
34+
func (r *EmptyRecord) Write(w io.Writer) error {
35+
return Write(w, r.FData)
36+
}
37+
38+
func (r *EmptyRecord) GetFile() *File {
39+
return &r.File
40+
}

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