Add generation of an EFI filesystem to hold boot1.efi. This is a near-exact
copy of the code from boot1.chrp again. The resulting image is installed to /boot/boot1.efifat. If dd'ed to an 800K "efi" partition, it should result in a bootable system.
This commit is contained in:
Nathan Whitehorn
parent
4b29ef64b2
commit
e9bee2c689
@ -26,7 +26,7 @@ CFLAGS+= -I${.CURDIR}/../../..
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.PATH: ${.CURDIR}/../efi ${.CURDIR}/../../common
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CFLAGS+= -I${.CURDIR}/../../common
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FILES= boot1.efi
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FILES= boot1.efi boot1.efifat
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FILESMODE_boot1.efi= ${BINMODE}
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LDSCRIPT= ${.CURDIR}/../efi/ldscript.${MACHINE_CPUARCH}
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@ -57,6 +57,20 @@ CFLAGS+= -I${.CURDIR}/../../common
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boot1.o: ${.CURDIR}/../../common/ufsread.c
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# The following inserts out objects into a template FAT file system
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# created by generate-fat.sh
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.include "${.CURDIR}/Makefile.fat"
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boot1.efifat: boot1.efi
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echo ${.OBJDIR}
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uudecode ${.CURDIR}/fat.tmpl.bz2.uu
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mv fat.tmpl.bz2 ${.TARGET}.bz2
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bzip2 -f -d ${.TARGET}.bz2
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dd if=boot1.efi of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
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CLEANFILES= boot1.efifat
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.endif # ${COMPILER_TYPE} != "gcc"
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.include <bsd.prog.mk>
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3
sys/boot/amd64/boot1.efi/Makefile.fat
Normal file
3
sys/boot/amd64/boot1.efi/Makefile.fat
Normal file
@ -0,0 +1,3 @@
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# This file autogenerated by generate-fat.sh - DO NOT EDIT
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# $FreeBSD$
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BOOT1_OFFSET=0x2d
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22
sys/boot/amd64/boot1.efi/fat.tmpl.bz2.uu
Normal file
22
sys/boot/amd64/boot1.efi/fat.tmpl.bz2.uu
Normal file
@ -0,0 +1,22 @@
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FAT template boot filesystem created by generate-fat.sh
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DO NOT EDIT
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$FreeBSD$
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begin 644 fat.tmpl.bz2
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M0EIH.3%!62936?1V`!$`&J7____[ZZKJJ_^N_ZO^Z_^[ON_\`4`00!0$#$$"
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M0D)$6&(<P`(Y=SNY1(2DHTC":::-`!H`&@-````#)IH#3(&@:`!IIDT--,@E
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M53TFCWZJGJ`-!D`-`#(::```:```&@:!D`!D``&*B3:C]4T]0#0`:``-`T``
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M``````````&@)131/4T-*>IZC3RGZH\B&$,U&AH#)B:,$8TAF@@]0T>IZF&A
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M&GZID,1IZFAMO%FPGL0"(QIZV"3_!`$@N(@`DD$?C&$["`)`!)$6@#\HOB42
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M0`"2(X0FGX1#L"`'7E,'#-'HM!'QUD0\R,?9U,6ZE8F,Y6*L<9S<6PH)"%_"
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MX'_PL4A),QB"(`B(=14*-"8,(QCG.(2$A(1J'010CB&R$(0B00FPP(0A"$)E
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M#`A"$(1]LB&!"$(0B4&1#`A"$(14W<9J.:&A@8&!@8'`Z$(D(02@^L=UL>:+
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MBG:Q5+4&'[/P4@D2?M<,E!0&YBF8+],4^%$`4<YVD4=K")O.IZ\#)``!CU-1
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M``!L%C7V^RL80`#K(AUU+"D])9/B4@>*%$N9MF:Z29-_VG2G7<$LJ-44RST&
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MB53YE@H%(G5G$.FU;=L[DQVA]"(V4B1+%BP%.A<-10-%#R#NKR='@\'#"_'U
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M'I36ZT:8QIN*3E$:HZIZRJ?$Y1L&<1'C)G(=8,E.L(KU<9X=%/NX.6\=@^IW
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M\-PC$B&I"T\!(VI3"K!X:\%.01Y#X/83[SH.J*H5BH:ILFV1'X/D/V1$W6'\
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MFY>YE:*(I!.X@'D>H_(PY'(W1+B;:,Y?H8Y%(Q')!>DDE;\J1-DRXJJ/O(1@
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M'X/24=!+/V8S1)B(R:UE"0&&1:PUS(1`!$04``++GZ/8(CE5P1P8?^7QB[DB
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(G"A(>CL`"(``
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`
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end
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54
sys/boot/amd64/boot1.efi/generate-fat.sh
Executable file
54
sys/boot/amd64/boot1.efi/generate-fat.sh
Executable file
@ -0,0 +1,54 @@
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#!/bin/sh
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# This script generates the dummy FAT filesystem used for the EFI boot
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# blocks. It uses newfs_msdos to generate a template filesystem with the
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# relevant interesting files. These are then found by grep, and the offsets
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# written to a Makefile snippet.
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#
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# Because it requires root, and because it is overkill, we do not
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# do this as part of the normal build. If makefs(8) grows workable FAT
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# support, this should be revisited.
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# $FreeBSD$
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FAT_SIZE=1600 #Size in 512-byte blocks of the produced image
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BOOT1_SIZE=64k
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# Generate 800K FAT image
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OUTPUT_FILE=fat.tmpl
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dd if=/dev/zero of=$OUTPUT_FILE bs=512 count=$FAT_SIZE
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DEVICE=`mdconfig -a -f $OUTPUT_FILE`
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newfs_msdos -F 12 $DEVICE
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mkdir stub
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mount -t msdosfs /dev/$DEVICE stub
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# Create and bless a directory for the boot loader
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mkdir -p stub/efi/boot
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# Make a dummy file for boot1
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echo 'Boot1 START' | dd of=stub/efi/boot/BOOTx64.efi cbs=$BOOT1_SIZE count=1 conv=block
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umount stub
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mdconfig -d -u $DEVICE
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rmdir stub
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# Locate the offsets of the two fake files
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BOOT1_OFFSET=$(hd $OUTPUT_FILE | grep 'Boot1 START' | cut -f 1 -d ' ')
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# Convert to numbers of blocks
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BOOT1_OFFSET=$(echo 0x$BOOT1_OFFSET | awk '{printf("%x\n",$1/512);}')
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echo '# This file autogenerated by generate-fat.sh - DO NOT EDIT' > Makefile.fat
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echo '# $FreeBSD$' >> Makefile.fat
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echo "BOOT1_OFFSET=0x$BOOT1_OFFSET" >> Makefile.fat
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bzip2 $OUTPUT_FILE
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echo 'FAT template boot filesystem created by generate-fat.sh' > $OUTPUT_FILE.bz2.uu
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echo 'DO NOT EDIT' >> $OUTPUT_FILE.bz2.uu
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echo '$FreeBSD$' >> $OUTPUT_FILE.bz2.uu
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uuencode $OUTPUT_FILE.bz2 $OUTPUT_FILE.bz2 >> $OUTPUT_FILE.bz2.uu
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rm $OUTPUT_FILE.bz2
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