diff options
Diffstat (limited to 'info')
| -rw-r--r-- | info/info.ha | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/info/info.ha b/info/info.ha new file mode 100644 index 0000000..7df9ee2 --- /dev/null +++ b/info/info.ha @@ -0,0 +1,36 @@ +use fmt; +use io; + +use gpt; +use volume; + +fn booltonum(a: bool) str = if (a) { return "1"; } else { return "0"; }; + +export fn info(vol: str, args: []str) void = { + const name = vol; + const vol = volume::opengpt(vol); + defer gpt::finish(vol); + + const header = vol.primary.header; + + fmt::printfln("# GPT header info {}", name)!; + fmt::printfln("revision({})", header.revision)!; + fmt::printfln("header_size({})", header.header_size)!; + fmt::printfln("header_crc32({})", header.header_crc32)!; + fmt::printfln("header_lba({})", header.header_lba)!; + fmt::printfln("backup_header_lba({})", header.backup_header_lba)!; + fmt::printfln("first_lba({})", header.first_lba)!; + fmt::printfln("last_lba({})", header.last_lba)!; + // XXX Add a comment output for the GUID written in normal form + fmt::printfln("disk_guid([{},{}])", header.disk_guid[0], header.disk_guid[1])!; + fmt::printfln("entries_lba({})", header.entries_lba)!; + fmt::printfln("entries_len({})", header.entries_len)!; + fmt::printfln("entry_size({})", header.entry_size)!; + fmt::printfln("entries_crc32({})", header.entries_crc32)!; + + const primary_sane = gpt::header_crc32(header) == header.header_crc32 && gpt::entries_crc32(vol.primary.entries) == header.entries_crc32; + const backup_sane = gpt::header_crc32(vol.backup.header) == vol.backup.header.header_crc32 && gpt::entries_crc32(vol.backup.entries) == vol.backup.header.entries_crc32; + + fmt::printfln("primary_sane({})", booltonum(primary_sane))!; + fmt::printfln("backup_sane({})", booltonum(backup_sane))!; +}; |