1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
use fmt;
use mbr;
use gpt;
use sector;
use os;
use io;
use fs;
use strings;
use errors;
export fn convert(args: []str) void = {
if (len(args) < 2) {
fmt::fatalf("gptman.convert: needs disk");
};
let file = os::open(args[1], fs::flags::RDWR)!;
defer io::close(file)!;
// let vol = gpt::create(file, 69);
// gpt::mkbackup(vol);
// defer {
// gpt::chksums(vol);
// gpt::commit(vol)!;
// gpt::finish(vol);
// };
// vol.mbr.entries[0] = mbr::mbr_entry {
// attributes = 0,
// part_type = 0xEE,
// lba_begin = 1,
// lba_end = -1: u32,
// };
// vol.mbr.magic = 0xaa55;
let vol = gpt::from(file)!;
gpt::mkbackup(vol);
defer {
gpt::chksums(vol);
gpt::commit(vol)!;
gpt::finish(vol);
};
// fmt::printfln("rev {}", vol.primary.header.revision)!;
// for (let i = 0z; i < 4; i += 1) {
// fmt::printfln("type {} from {} to {}", vol.mbr.entries[i].part_type, vol.mbr.entries[i].lba_begin, vol.mbr.entries[i].lba_end)!;
// };
// vol.primary.header.disk_guid[0] = 0xcafababe;
// vol.primary.header.disk_guid[1] = 0xabababababababab;
// // 516E7CB6-6ECF-11D6-8FF8-00022D09712B
// vol.primary.entries[4].part_type[0] = 0x516E7CB66ECF;
// vol.primary.entries[4].lba_begin = 35;
// vol.primary.entries[4].lba_end = 37;
// vol.primary.entries[5].part_type[0] = 0x516E7CB66ECF;
// vol.primary.entries[5].lba_begin = 40;
// vol.primary.entries[5].lba_end = 41;
const much = 4z;
const addr = gpt::findfree(vol, much);
const where = gpt::findfreeentry(vol) as *gpt::entry;
where.part_type = [0xCAFEBABE, 0xBABABA];
where.lba_begin = addr;
where.lba_end = addr + much: u64 - 1;
fmt::printfln("fitting {}: {} and could be put at {}", much, addr, where)!;
};
|