Rewrite grub-install, grub-mkrescue, grub-mkstandalone and grub-mknetdir
the function of these files exceeds what can be sanely handled in shell in posix-comaptible way. Also writing it in C extends the functionality to non-UNIX-like OS and minimal environments.
This commit is contained in:
Vladimir Serbinenko
parent
9ef81064a3
commit
cd46aa6cef
52 changed files with 5811 additions and 2101 deletions
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@ -155,135 +155,6 @@ probe_raid_level (grub_disk_t disk)
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return ((struct grub_diskfilter_lv *) disk->data)->segments->type;
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}
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/* Since OF path names can have "," characters in them, and GRUB
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internally uses "," to indicate partitions (unlike OF which uses
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":" for this purpose) we escape such commas. */
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static char *
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escape_of_path (const char *orig_path)
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{
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char *new_path, *d, c;
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const char *p;
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if (!strchr (orig_path, ','))
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return (char *) xstrdup (orig_path);
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new_path = xmalloc (strlen (orig_path) * 2 + 1);
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p = orig_path;
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d = new_path;
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while ((c = *p++) != '\0')
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{
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if (c == ',')
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*d++ = '\\';
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*d++ = c;
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}
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*d = 0;
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return new_path;
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}
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static char *
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guess_bios_drive (const char *orig_path)
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{
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char *canon;
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char *ptr;
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canon = canonicalize_file_name (orig_path);
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if (!canon)
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return NULL;
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ptr = strrchr (orig_path, '/');
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if (ptr)
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ptr++;
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else
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ptr = canon;
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if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("hd%d", num);
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}
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if (ptr[0] == 'f' && ptr[1] == 'd')
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{
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int num = atoi (ptr + 2);
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free (canon);
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return xasprintf ("fd%d", num);
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}
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free (canon);
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return NULL;
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}
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static char *
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guess_efi_drive (const char *orig_path)
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{
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char *canon;
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char *ptr;
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canon = canonicalize_file_name (orig_path);
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if (!canon)
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return NULL;
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ptr = strrchr (orig_path, '/');
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if (ptr)
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ptr++;
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else
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ptr = canon;
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if ((ptr[0] == 's' || ptr[0] == 'h') && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("hd%d", num);
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}
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if (ptr[0] == 'f' && ptr[1] == 'd')
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{
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int num = atoi (ptr + 2);
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free (canon);
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return xasprintf ("fd%d", num);
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}
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free (canon);
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return NULL;
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}
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static char *
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guess_baremetal_drive (const char *orig_path)
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{
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char *canon;
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char *ptr;
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canon = canonicalize_file_name (orig_path);
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if (!canon)
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return NULL;
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ptr = strrchr (orig_path, '/');
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if (ptr)
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ptr++;
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else
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ptr = canon;
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if (ptr[0] == 'h' && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("ata%d", num);
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}
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if (ptr[0] == 's' && ptr[1] == 'd')
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{
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int num = ptr[2] - 'a';
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free (canon);
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return xasprintf ("ahci%d", num);
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}
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free (canon);
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return NULL;
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}
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static void
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print_full_name (const char *drive, grub_device_t dev)
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{
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char *dname = escape_of_path (drive);
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if (dev->disk->partition)
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{
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char *pname = grub_partition_get_name (dev->disk->partition);
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printf ("%s,%s", dname, pname);
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free (pname);
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}
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else
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printf ("%s", dname);
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free (dname);
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}
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static void
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probe_abstraction (grub_disk_t disk)
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{
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@ -513,34 +384,34 @@ probe (const char *path, char **device_names, char delim)
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p = grub_stpcpy (tmp, "ieee1275/");
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strcpy (p, ofpath);
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printf ("--hint-ieee1275='");
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print_full_name (tmp, dev);
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grub_util_fprint_full_disk_name (stdout, tmp, dev);
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printf ("' ");
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free (tmp);
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}
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biosname = guess_bios_drive (*curdev);
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biosname = grub_util_guess_bios_drive (*curdev);
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if (biosname)
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{
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printf ("--hint-bios=");
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print_full_name (biosname, dev);
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grub_util_fprint_full_disk_name (stdout, biosname, dev);
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printf (" ");
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}
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free (biosname);
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efi = guess_efi_drive (*curdev);
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efi = grub_util_guess_efi_drive (*curdev);
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if (efi)
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{
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printf ("--hint-efi=");
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print_full_name (efi, dev);
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grub_util_fprint_full_disk_name (stdout, efi, dev);
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printf (" ");
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}
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free (efi);
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bare = guess_baremetal_drive (*curdev);
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bare = grub_util_guess_baremetal_drive (*curdev);
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if (bare)
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{
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printf ("--hint-baremetal=");
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print_full_name (bare, dev);
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grub_util_fprint_full_disk_name (stdout, bare, dev);
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printf (" ");
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}
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free (bare);
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@ -551,7 +422,7 @@ probe (const char *path, char **device_names, char delim)
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if (map)
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{
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printf ("--hint='");
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print_full_name (map, dev);
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grub_util_fprint_full_disk_name (stdout, map, dev);
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printf ("' ");
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}
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if (curdrive[1])
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@ -568,7 +439,7 @@ probe (const char *path, char **device_names, char delim)
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|| print == PRINT_EFI_HINT || print == PRINT_ARC_HINT)
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&& dev->disk->dev->id != GRUB_DISK_DEVICE_HOSTDISK_ID)
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{
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print_full_name (dev->disk->name, dev);
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grub_util_fprint_full_disk_name (stdout, dev->disk->name, dev);
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putchar (delim);
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continue;
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}
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@ -580,16 +451,16 @@ probe (const char *path, char **device_names, char delim)
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map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
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if (map)
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{
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print_full_name (map, dev);
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grub_util_fprint_full_disk_name (stdout, map, dev);
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putchar (delim);
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grub_device_close (dev);
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/* Compatibility hint is one device only. */
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break;
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}
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biosname = guess_bios_drive (*curdev);
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biosname = grub_util_guess_bios_drive (*curdev);
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if (biosname)
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{
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print_full_name (biosname, dev);
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grub_util_fprint_full_disk_name (stdout, biosname, dev);
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putchar (delim);
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}
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free (biosname);
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@ -603,10 +474,10 @@ probe (const char *path, char **device_names, char delim)
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if (print == PRINT_BIOS_HINT)
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{
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char *biosname;
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biosname = guess_bios_drive (*curdev);
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biosname = grub_util_guess_bios_drive (*curdev);
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if (biosname)
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{
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print_full_name (biosname, dev);
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grub_util_fprint_full_disk_name (stdout, biosname, dev);
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putchar (delim);
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}
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free (biosname);
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@ -622,7 +493,7 @@ probe (const char *path, char **device_names, char delim)
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map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
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if (map)
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{
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print_full_name (map, dev);
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grub_util_fprint_full_disk_name (stdout, map, dev);
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putchar (delim);
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}
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@ -632,7 +503,7 @@ probe (const char *path, char **device_names, char delim)
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char *p;
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p = grub_stpcpy (tmp, "ieee1275/");
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strcpy (p, ofpath);
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print_full_name (tmp, dev);
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grub_util_fprint_full_disk_name (stdout, tmp, dev);
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free (tmp);
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putchar (delim);
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}
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@ -644,17 +515,17 @@ probe (const char *path, char **device_names, char delim)
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{
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char *biosname;
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const char *map;
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biosname = guess_efi_drive (*curdev);
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biosname = grub_util_guess_efi_drive (*curdev);
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map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
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if (map)
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{
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print_full_name (map, dev);
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grub_util_fprint_full_disk_name (stdout, map, dev);
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putchar (delim);
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}
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if (biosname)
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{
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print_full_name (biosname, dev);
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grub_util_fprint_full_disk_name (stdout, biosname, dev);
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putchar (delim);
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}
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@ -668,17 +539,17 @@ probe (const char *path, char **device_names, char delim)
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char *biosname;
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const char *map;
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biosname = guess_baremetal_drive (*curdev);
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biosname = grub_util_guess_baremetal_drive (*curdev);
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map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
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if (map)
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{
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print_full_name (map, dev);
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grub_util_fprint_full_disk_name (stdout, map, dev);
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putchar (delim);
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}
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if (biosname)
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{
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print_full_name (biosname, dev);
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grub_util_fprint_full_disk_name (stdout, biosname, dev);
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putchar (delim);
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}
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@ -694,7 +565,7 @@ probe (const char *path, char **device_names, char delim)
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map = grub_util_biosdisk_get_compatibility_hint (dev->disk);
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if (map)
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{
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print_full_name (map, dev);
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grub_util_fprint_full_disk_name (stdout, map, dev);
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putchar (delim);
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}
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