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board/pc/genimage-efi.cfg: align the rootfs to start at 16MB offset from start of the image

For grub-efi we can align the rootfs to start at exactly 16MB from the
beginning of the disk.  This can be done by reducing the vfat partition to
be 32 KB smaller than its 16MB size, just like the offset of the vfat
partition.

Signed-off-by: Florian La Roche <Florian.LaRoche@gmail.com>
[Peter: drop redundant offset/size settings, add comment]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Florian La Roche 3 年之前
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4e89862706
共有 1 個文件被更改,包括 2 次插入3 次删除
  1. 2 3
      board/pc/genimage-efi.cfg

+ 2 - 3
board/pc/genimage-efi.cfg

@@ -10,7 +10,8 @@ image efi-part.vfat {
       image = "bzImage"
     }
   }
-  size = 16777216
+  # 16MB - 32KB
+  size = 16744448
 }
 
 image disk.img {
@@ -22,7 +23,6 @@ image disk.img {
     image = "efi-part.vfat"
     partition-type-uuid = c12a7328-f81f-11d2-ba4b-00a0c93ec93b
     offset = 32768
-    size = 16777216
     bootable = true
   }
 
@@ -30,6 +30,5 @@ image disk.img {
     partition-type-uuid = 44479540-f297-41b2-9af7-d131d5f0458a
     partition-uuid = UUID_TMP
     image = "rootfs.ext2"
-    offset = 16809984
   }
 }