Index: sys/boot/efi/boot1/Makefile
===================================================================
--- sys/boot/efi/boot1/Makefile
+++ sys/boot/efi/boot1/Makefile
@@ -135,9 +135,7 @@
 	    exit 1; \
 	fi
 	echo ${.OBJDIR}
-	uudecode ${.CURDIR}/fat-${MACHINE}.tmpl.bz2.uu
-	mv fat-${MACHINE}.tmpl.bz2 ${.TARGET}.bz2
-	bzip2 -f -d ${.TARGET}.bz2
+	xz -d -c ${.CURDIR}/fat-${MACHINE}.tmpl.xz > ${.TARGET}
 	${DD} if=${.ALLSRC} of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
 
 CLEANFILES= boot1.efi boot1.efifat
Index: sys/boot/efi/boot1/Makefile.fat
===================================================================
--- sys/boot/efi/boot1/Makefile.fat
+++ sys/boot/efi/boot1/Makefile.fat
@@ -1,4 +1,4 @@
 # This file autogenerated by generate-fat.sh - DO NOT EDIT
 # $FreeBSD$
 BOOT1_OFFSET=0x2d
-BOOT1_MAXSIZE=131072
+BOOT1_MAXSIZE=393216
Index: sys/boot/efi/boot1/fat-amd64.tmpl.bz2.uu
===================================================================
--- sys/boot/efi/boot1/fat-amd64.tmpl.bz2.uu
+++ /dev/null
@@ -1,26 +0,0 @@
-FAT template boot filesystem created by generate-fat.sh
-DO NOT EDIT
-$FreeBSD$
-begin 644 fat-amd64.tmpl.bz2
-M0EIH.3%!62936?$)3$,`&U9_____Z^KJZ_^N_^O^Z_^[ON_NK^JJ^KZNKNNJ
-MZNKNZOJ^P`+\#$!0$#1D-,@#)DT#1B&AIDQ,AD:#1HTR`-#)D80Q!D:,)D``
-M#1@F30```&@`$JJ9!_HU4:",3!,F0&C(83`F30T`T!B&!,F`(P3`"#0,@`/2
-M::`#0!D`,C1`T9#3(`R9-`T8AH:9,3(9&@T:-,@#0R9&$,09&C"9```T8)DT
-M```!H``JBD@_2B:FF9)IHQ/1#:@-`:`R#(T`&@:-`!H8FAH:::'J::-`9&1Z
-MFF!'HAB8U/1/*8---3EV+*<ZL\S9BXEC[6I",BE$0BDA$1$%G66TH6PF$0(0
-MXDA!"&<HJ,=-W=K>PZ5:L^\19>>T2K3OA>TUS8M>VJ_;9P7"8;&7&8R51N>F
-M1E%A#6+F9*H@$(9J<K2V7=DH[YSK)LDN618]0S$3"M6JK5JU:M9J*5)44444
-M45JU%:5::U:M6K<:T42HHHHHHYI:J)44444,+B;R5>%%%%%%%$>!!!!!!!!!
-M!!!!!!!#76C@<C1HT:-&C1!!!!!!!!!TX&#!@P8,&#J8Y*BBBBBBBB'@<#!@
-MP8,&#"$4*******.?ZO)U59NW9Y_5RB9=SGK%AO91D/,RW:JUEWJ7CICT$M,
-M]]>OM;-N%^W[!<=H[<-1<QY)W<`%BRT<D`+3375[\FOS\YBD0`RSL8,UV51>
-MRR"SVLL>LG*Z1G+K%N;);>IIYL-7L*D<B5U+2/2:5J6K7K+ON7S<-ZW[`8;$
-M9ESS6Y>[Q-SH;5D;RU_+ZK.+TEMX%K(QQ813V:GS1ZT;"R\!H$K/Z:=%386M
-MPJL.<K?C*J6@DI)\#6KU=,@V3:-JW3>.`X;BN0SS2,I;U*I;;.]O5ZMI9CMV
-MY(;8*\CXX-SPW(^Z5WIWPW0V@?7DLGZ@QJQHC6!J-\U[>@T$2F)3"7UM2V+:
-M+YMFW;MO6^<-@L)R7+<WLVJEO,&HNI+>XU0JB(L,KI:F[OD%ZUC=-0WB\7C?
-M."P'%83CL1BM$RLHD):&7,DOSLY1=2Y,H_EOG`<%YS0,!Q&$XS]')8CXEXP_
-MFX2-7*,#%P;!Q]V)E#BO"83#?\V3C..Y#E,1?L5S&,NC%DQI>;+`DS>NQL5?
-?+6IF915V$0"$)@`M+"Q)@(_9+!?^+N2*<*$AXA*8A@``
-`
-end
Index: sys/boot/efi/boot1/fat-arm.tmpl.bz2.uu
===================================================================
--- sys/boot/efi/boot1/fat-arm.tmpl.bz2.uu
+++ /dev/null
@@ -1,26 +0,0 @@
-FAT template boot filesystem created by generate-fat.sh
-DO NOT EDIT
-$FreeBSD$
-begin 644 fat-arm.tmpl.bz2
-M0EIH.3%!62936>#67)H`&U9_____Z^KJZ_ZN_^O^J_^[OJ[NK^JJ^KZNKNNJ
-MZNKNZOJ^P`+\```"``:`T::-`:8@P@&1D-!H:808)B:#0`T``,$T#!,@PC09
-M#33"9,0`T(`!H#1IHT!IB#"`9&0T&AIA!@F)H-`#0``P30,$R#"-!D--,)DQ
-M`#0@`&@-&FC0&F(,(!D9#0:&F$&"8F@T`-``#!-`P3(,(T&0TTPF3$`-`522
-M$_(H2-DT0T:8C(T!H!ZC30R-&@-`,@&C1H:`:#1M3(T,@:::/1#331FII@)@
-M)Z:)RK5N6<7,O<%[)S4ZD(ODD1"*2"(B(+E99)"P2A$"$.#(((0Z^BHO)97*
-MKNTS2;//!6_,:)5IVI>LPGUM8_)MV&_QO'$<Q>Y;`J/TETR.=50:\2B`0AF9
-M<_.ME;:;0N<9%D%\Q['*&6B4*U:JM6K5JUQ12I)1111116K45I*TJU:M6K<:
-MZ424444448Y-1)111111[F<_6R+%BQ8L6+$X3333333333333333=7Z\E2M6
-MK5JU:M--------->R44444447N#[%BQ8L6+%BQ-M)*******,!0HHHHHHHY[
-M-RR5757;.MS?HE)GL[:M-Q)&/TG09Q6MZ%)XJ4><D]5[S5M>^]M6W8C@..T=
-MV&HOX\@T$`%JWHY$`-/ZV!A?)K>YEEZ1`#*,&#,]G484F/7/RDR%Y<?]FG8X
-M&-?VUWJ*AR)+Z32//:9[#4M6R;8-FVK<,1OG$8K*LE&JR>4Q?U[J:^S$]EPK
-MD81)^D"<A>%H^>2OU:FLC31KK??,_$ES74S%+)U7JU5D:VQD)R-2U3"7[FWW
-M-DPVV;ANV^9-R&"T;G,A>6EJ3:=EVE6ENKC#PZG.]=9:75*G=>-4N\OA]'=-
-M`L[RN\MM/>Z'8:6Q.RAWU+=HOHDCZ6H?8_!^+:-JVS^6Z;UP'#<ERG-[$W'`
-MJ+^19>>T*HB+3GM+4VVS(NQ)&K?`_9IW\,PS#$;QOG"<-QV*QFB8^2)!)H).
-M7(_@P9(R$G)DC<L1NV\;UGV_<)Q'&?FY+%?$Z1Q?DWR/?DC@8W"M'(_<RTBJ
-M2'#=^XK8.,U[CN0Q'_,5MV,Y;F,`QI',DW7EU-_(S>MYF,_-.IT<D58,0"$)
-60`75I:D;]&V2<%_XNY(IPH2'!K+DT```
-`
-end
Index: sys/boot/efi/boot1/fat-arm64.tmpl.bz2.uu
===================================================================
--- sys/boot/efi/boot1/fat-arm64.tmpl.bz2.uu
+++ /dev/null
@@ -1,26 +0,0 @@
-FAT template boot filesystem created by generate-fat.sh
-DO NOT EDIT
-$FreeBSD$
-begin 644 fat-arm64.tmpl.bz2
-M0EIH.3%!629364C65#T`&U;_____Z^KJZ_^N_^O^J_^[OJ[NK^JJ^KZNKNNJ
-MZNKNZOJ^P`+\#0``0`#0#)D&@TR8AD`,0!D--&`@:!H&@`!B#)IHR:--#(9,
-MAA`8F@Q,0,#52`_U4?J@`&AH```:`:``````T-`T&@R&@T``````````$``T
-M`R9!H-,F(9`#$`9#31@(&@:!H``8@R::,FC30R&3(80&)H,3$#`521(]I1I)
-MF*:8C1Z`F0:`TR,@:&C30:`R!HTT,$!DTT-J:&@R&C)IA,:F33(S4]-3`--$
-MZ--B6=6F1M!<28FJA"+E)$0B<@B(B"TK+:2%L)0B!"'(D$$(9F:@LRO+Q;TL
-MNJ9YY2QZK1*-0US5+UM6R;E?-T_QQG*=-<9#J:#>R[!&-40;(2B`0AE9=956
-MO+"IH&,8M=KEBF(3,A$H5JU%:M6K5K1-.A)------6K35I*TJU:M6K<RU323
-M333338A4FDFFFFFFMX;;,<,#`P,#`P,".`@0($"!`@0($"!`@0J5,OJY*%:M
-M6K5JU:I4J5*E2I4J*E2I4J5*EQ<9OW>[LK*RLK*RLK*INY)IIIIIIL6F3333
-M333=7VLL91VEN[UP[M$I,5X--+@R1:XKTL?G%LL>,D\Y*-*DU+6MB^YMF\7S
-MB,!S6CMPUEU'H'B0`4V-'(@!JKN]^?Z<]*UB`&/9J#*9N@O9.H6FYDN5AT,L
-MS-UAW-A;:O3J61R=".=)EY-(TK3M8US8NM;1N&\<%Q%^Y3"9%=8Z-AUMYA;W
-MPYKK)5;?@6D;$DWL"J0LE*.Q]RA>Q[,;.QH%VDM/KGE)[.JBX4T=56_.0JD:
-MUL&Q73$OR;=NF^?PXKCL%SF=:1FKO&W%A1)O,YWU&FM;1N]W0QW=6U*UDS]Q
-M0M\CN\G:L^KT%O2U%G0;335JJYFAG8I,5$D?:UC\'Z/U;QO7`<)_3CL!R7/=
-M%B=L<+`H+J1;6??%$1%*H8[34M_N$+V0O6O;YJ7!95E7%<9?L%R7-83#:)BY
-M(D$F?DZ4B^,W)%W)SY(X;B/[<9?L\P'_-*YC<N>PGRLLY=[?HU\D?[A\BDOL
-MP)20P6A<ERG+;5S'-<YT&$OF&Z3IKLPY'3DPI,"1F-ET\-^SUZ&2DBC-1`(0
-6E`!:TJ9&`C?I,%_XNY(IPH2"1K*AZ```
-`
-end
Index: sys/boot/efi/boot1/fat-i386.tmpl.bz2.uu
===================================================================
--- sys/boot/efi/boot1/fat-i386.tmpl.bz2.uu
+++ /dev/null
@@ -1,26 +0,0 @@
-FAT template boot filesystem created by generate-fat.sh
-DO NOT EDIT
-$FreeBSD$
-begin 644 fat-i386.tmpl.bz2
-M0EIH.3%!629361/"1&$`&U;_____Z^KJZ_ZN_^O^J_^[OJ[NK^JJ^KZNKNNJ
-MZNKNZOJ^P`+\#0``0`#0&C31H#3$&$`R,AH-#3"#!,30:`&@`!@F@8)D&$:#
-M(::83)B`&@:J0:?ZJ/U30`,@```-`,F@``````R-```R``````````$``T!H
-MTT:`TQ!A`,C(:#0TP@P3$T&@!H``8)H&"9!A&@R&FF$R8@!H"JB(GM*:(3VI
-MJ:;29-DF)ZC1H#)IA&0,C1H`R`VH#3$#(#R(R#(T8FFR$P(R8&AHQ3TTU.M/
-M4CH56XJBSBR%$R"%HBA""$HA"$(0*M)8Q06(C!"`@@OXA`@@[^28LHY?+JTZ
-MY4-*\Q4]=JDWP-DUR\;EM6^<1OW+<Q@,99V]K,<"*#>(;UG$,HJ0@""#-QRL
-MK%;U%@U#)LDM5=:+-(N(1@I4IJ5*E2I54DID4DDDDDE*E)2BI1I4J5*EU;!)
-M%))))))CE"2*222222VAMLQPP,#`P,#`P(X"!`@0($"!`@0($"!"A0[?7Q3*
-M5*E2I4J5"A0H4*%"A04*%"A0H4+.ST&QK*RLK*RLK*RA>Q22222226J1))))
-M)))E.[CDIL[6:1_==<1)HM-I)YW&BA1::S+:)65-0B]%&'M(M<V2\;ANU\XC
-MDN@P6KK!L*\/4/(@`3U-7$@`^+([2[^_Q8V$(`,J\&!FM!,;2+'JN_BM,?5?
-M]<L]7Q:]TM\Q0QVOF&%%<Q:Q[:EL&S7C+-RWS@N,Y+G,!B+A<VSZ\M;XG"\:
-M2OF*-[X56%V1<"`HB+(LZB&<]^9>0NH;>IIW;(JNVEFI;>C')YXV5+]XBB)\
-M[ZEVKL@W3>-^_IQW*<UT6$T3U7N9.RG317VA\.:ZL*J]MKV=;9^M.HBT^EF6
-M68O<S8-.I\NM.KV7E;C6TJ*9&IE4G.PA%#\6O?HW;^%\X#AN0Y3FN@Z;#=9D
-M/V./M9BO$L;+8B:$(3K:ZF<+>(%VV;@O/<5F69<ES'/=%TV"Q&*U3*10B$7C
-MQ3(=>*8X9GXH9&+#BAR'^.4Y;FM,Y[HL!@OY8;$?8S;J7G.0^F*'/Q;^<WV%
-MPQ&*#I-2P'4=5NF"PF&_UB.*Q778RU,6)C18D5_$SNVQL5?-;,[6*$V>A`$$
-7$8`%A.GB7Z'$1=)_XNY(IPH2`GA(C"``
-`
-end
Index: sys/boot/efi/boot1/generate-fat.sh
===================================================================
--- sys/boot/efi/boot1/generate-fat.sh
+++ sys/boot/efi/boot1/generate-fat.sh
@@ -14,7 +14,7 @@
 FAT_SIZE=1600 			#Size in 512-byte blocks of the produced image
 
 BOOT1_OFFSET=2d
-BOOT1_SIZE=128k
+BOOT1_SIZE=384k
 
 if [ $(id -u) != 0 ]; then
 	echo "${0##*/}: must run as root" >&2
@@ -70,13 +70,7 @@
 		exit 1
 	fi
 
-	bzip2 $OUTPUT_FILE
-	echo 'FAT template boot filesystem created by generate-fat.sh' > $OUTPUT_FILE.bz2.uu
-	echo 'DO NOT EDIT' >> $OUTPUT_FILE.bz2.uu
-	echo "\$FreeBSD\$" >> $OUTPUT_FILE.bz2.uu
-
-	uuencode $OUTPUT_FILE.bz2 $OUTPUT_FILE.bz2 >> $OUTPUT_FILE.bz2.uu
-	rm $OUTPUT_FILE.bz2
+	xz -f $OUTPUT_FILE
 done <<EOF
 	amd64	BOOTx64.efi
 	arm64	BOOTaa64.efi