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/sys/lib/dist/mkfile: efi iso/hybrid support

--- a/sys/lib/dist/mkfile

+++ b/sys/lib/dist/mkfile

@@ -15,17 +15,26 @@

 	@{rfork n

 	mk binds

 	disk/mk9660 -c9j -B 386/9bootiso -E 386/efiboot.fat -p $proto -s /n/src9 -v 'Plan 9 Front' $target

-	if(bind -q /n/src9/386/9boothyb /n/src9/386/9bootfat){

-		dd -if /dev/zero -bs 512 -count 4096 >> $target

+	if(test -r /n/src9/386/9boothyb){

+		dd -if /dev/zero -bs 2048 -count 1024 >> $target

 		disk/partfs -m /n/partfs $target

 		disk=/n/partfs/sdXX

 		disk/mbr -m /n/src9/386/mbr $disk/data

 		@{echo a p1 '$-1' '$'

-			echo t p1 FAT16

+			echo t p1 ESP

 			echo A p1

 			echo w

 			echo q} | disk/fdisk -b $disk/data

-		disk/format -b /n/src9/386/pbs -d -r 1 $disk/dos /n/src9/386/9bootfat

+		disk/format -b /n/src9/386/pbs -xd -t hard $disk/esp

+		s = esp.$pid

+		dossrv -f $disk/esp $s

+		mount -c /srv/$s /n/esp

+		cp /n/src9/386/9boothyb /n/esp/9bootfat

+		mkdir /n/esp/efi

+		mkdir /n/esp/efi/boot

+		cp /n/src9/386/boot*.efi /n/esp/efi/boot

+		unmount /n/esp

+		rm -f /srv/$s

 	}}

 %.zynq.img:

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