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fusee: re-design and fix emummc handling

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This commit is contained in:
hexkyz
2020-08-01 17:20:56 +01:00
parent 91bbdf2baf
commit 98ca5e2927
12 changed files with 147 additions and 830 deletions
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39
fusee/fusee-secondary/src/gpt.c
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@@ -112,42 +112,3 @@ int gpt_iterate_through_entries(FILE *disk, size_t sector_size, gpt_entry_iterat
return 0;
}
int gpt_iterate_through_emu_entries(FILE *disk, size_t sector_size, gpt_emu_entry_iterator_t callback, void *param, const char *origin_path, int num_parts, uint64_t part_limit) {
efi_header_t hdr;
efi_entry_t entry;
size_t offset = 2 * 512; /* Sector #2. */
size_t delta;
/* Get the header. */
if (gpt_get_header(&hdr, disk, sector_size) == -1) {
return -1;
}
/* Seek to the entry table. */
if (fseek(disk, sector_size * hdr.entries_first_lba - offset, SEEK_CUR) != 0) {
return -1;
}
offset = sector_size * hdr.entries_first_lba;
delta = hdr.entry_size - sizeof(efi_entry_t);
/* Iterate through the entries. */
for (uint32_t i = 0; i < hdr.entry_count; i++) {
if (!fread(&entry, sizeof(efi_entry_t), 1, disk)) {
return -1;
}
if (callback(&entry, param, offset, disk, origin_path, num_parts, part_limit) != 0) {
return -1;
}
if (delta != 0 && fseek(disk, delta, SEEK_CUR) != 0) {
return -1;
}
offset += hdr.entry_size;
}
return 0;
}