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87 lines
2.1 KiB
Go

package commands
import (
"fmt"
"os"
"git.cheetah.cat/cheetah/moto-flash-data/flashpart"
"git.cheetah.cat/cheetah/moto-flash-data/s19"
"github.com/rs/zerolog/log"
)
type S19IsolatePartitionCommand struct {
FileName string `long:"file" short:"f" required:"true" description:"s19 filename"`
PartitionIndex *int `long:"part-index" short:"i" description:"partition-number"`
OutputFileName string `long:"out" short:"o" required:"true" description:"output-filename, format:mpar"`
}
func (command *S19IsolatePartitionCommand) Execute(args []string) error {
log.Info().Str("fileName", command.FileName).Msg("S19-Isolate")
s19File, err := s19.NewS19Reader(command.FileName)
if err != nil {
return err
}
defer s19File.Close()
log.Info().Int64("fileSize", s19File.OsSize).Msg("Reading file...")
//
records, err := s19File.ReadAllRecords()
if err != nil {
return err
}
records = records[1:] // skip first ??
ranges := s19File.DetectAddressRanges(records)
//
//
if command.PartitionIndex != nil {
partIndex := *command.PartitionIndex
for index, segment := range ranges {
if index != partIndex {
continue
}
//
log.Info().Msg(
fmt.Sprintf("Index: %d, Start: 0x%08X, End: 0x%08X, Size: %d bytes, Slice: %d-%d",
index,
segment.StartAddress, segment.EndAddress,
segment.Size,
segment.SliceStart, segment.SliceEnd,
),
)
//
fpHeader := flashpart.ParseFlashPartHeader(records[segment.SliceStart].Data)
log.Info().Msg(
fmt.Sprintf("Index: %d, Media-ID: 0x%02X, Partition Size: 0x%08X / %d bytes, Partition Tag: %s",
index,
fpHeader.MediaID,
fpHeader.TotalSize,
fpHeader.TotalSize,
fpHeader.VersionText,
),
)
// if fpHeader.TotalSize == 0 {
// log.Error().Msg("cannot extract a partition thats empty")
// return nil
// }
//
{
outMBarFile, err := os.Create(command.OutputFileName)
if err != nil {
return err
}
defer outMBarFile.Close()
for _, record := range records[segment.SliceStart : segment.SliceEnd+1] {
outMBarFile.Write(record.Data)
}
}
break
}
}
return nil
}