61 lines
1.9 KiB
Diff
61 lines
1.9 KiB
Diff
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Index: grub-2.02~beta2/util/setup.c
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===================================================================
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--- grub-2.02~beta2.orig/util/setup.c
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+++ grub-2.02~beta2/util/setup.c
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@@ -501,8 +501,44 @@ SETUP (const char *dir,
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err = grub_util_ldm_embed (dest_dev->disk, &nsec, maxsec,
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GRUB_EMBED_PCBIOS, §ors);
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else if (ctx.dest_partmap)
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- err = ctx.dest_partmap->embed (dest_dev->disk, &nsec, maxsec,
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- GRUB_EMBED_PCBIOS, §ors);
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+ {
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+ err = ctx.dest_partmap->embed (dest_dev->disk, &nsec, maxsec,
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+ GRUB_EMBED_PCBIOS, §ors);
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+#ifdef GRUB_SETUP_BIOS
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+ if (err == GRUB_ERR_OUT_OF_RANGE
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+ && strcmp (ctx.dest_partmap->name, "msdos") == 0
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+ && dest_dev->disk->id == root_dev->disk->id
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+ && dest_dev->disk->dev->id == root_dev->disk->dev->id)
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+ {
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+ grub_fs_t root_fs;
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+
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+ root_fs = grub_fs_probe (root_dev);
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+ if (root_fs && root_fs->embed)
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+ {
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+ grub_disk_addr_t *fs_sectors;
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+ unsigned int fs_nsec;
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+
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+ fs_sectors = NULL;
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+ fs_nsec = core_sectors;
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+ err = root_fs->embed (root_dev, &fs_nsec, maxsec,
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+ GRUB_EMBED_PCBIOS, &fs_sectors);
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+ if (!err && fs_nsec >= core_sectors)
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+ {
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+ grub_util_info ("Your msdos embedding area is too small, will use file system embedding area instead");
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+ sectors = fs_sectors;
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+ nsec = fs_nsec;
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+ ctx.container = root_dev->disk->partition;
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+ core_dev = root_dev;
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+ }
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+ else
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+ {
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+ if (fs_sectors)
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+ grub_free (fs_sectors);
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+ }
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+ }
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+ }
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+#endif
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+ }
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else
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err = fs->embed (dest_dev, &nsec, maxsec,
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GRUB_EMBED_PCBIOS, §ors);
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@@ -584,7 +620,7 @@ SETUP (const char *dir,
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/* Write the core image onto the disk. */
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for (i = 0; i < nsec; i++)
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- grub_disk_write (dest_dev->disk, sectors[i], 0,
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+ grub_disk_write (core_dev->disk, sectors[i], 0,
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GRUB_DISK_SECTOR_SIZE,
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core_img + i * GRUB_DISK_SECTOR_SIZE);
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