3aa023643e
Bootloaders for powerpc are not built as position independent code. Since bsd.prog.mk is used for building, when PIE is enabled, the PIE flags are added and that causes the build to fail. Adding MK_PIE=no stops bsd.prog.mk from adding PIE specific flags. Submitted by: Dawid Gorecki <dgr@semihalf.com> Reviewed by: emaste Obtained from: Semihalf Sponsored by: Stormshield Differential Revision: https://reviews.freebsd.org/D28893
50 lines
1.4 KiB
Makefile
50 lines
1.4 KiB
Makefile
# $FreeBSD$
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.include <bsd.init.mk>
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PROG= boot1.elf
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NEWVERSWHAT= "Open Firmware boot block" ${MACHINE_ARCH}
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INSTALLFLAGS= -b
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FILES= boot1.hfs
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SRCS= boot1.c ashldi3.c syncicache.c
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CFLAGS+=-I${LDRSRC}
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# Load boot1.elf below kernel.
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#
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# Due to limitiations in the way we load stuff, we have to avoid reusing
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# memory until the kernel MMU code has taken over.
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#
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# 0x38000 is high enough to not interfere with the trap area, but low
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# enough that it doesn't bump into the kernel area starting at 0x100000,
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# even if the entire partition gets used as the load size by a buggy OFW.
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#
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# In theory 0xf0000 would work too under the current 64k size limit for
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# boot1.elf defined in the HFS template, but sometimes boot1.elf is written
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# directly to the PReP partition.
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#
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LDFLAGS=-nostdlib -static -Wl,-N -Wl,-Ttext=0x38000
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.PATH: ${SYSDIR}/libkern ${SRCTOP}/lib/libc/powerpc/gen ${.CURDIR}
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# The following inserts out objects into a template HFS
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# created by generate-hfs.sh
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.include "${.CURDIR}/Makefile.hfs"
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boot1.hfs: boot1.elf bootinfo.txt
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echo ${.OBJDIR}
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uudecode ${.CURDIR}/hfs.tmpl.bz2.uu
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mv hfs.tmpl.bz2 ${.TARGET}.bz2
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bzip2 -f -d ${.TARGET}.bz2
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${DD} if=boot1.elf of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
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${DD} if=${.CURDIR}/bootinfo.txt of=${.TARGET} seek=${BOOTINFO_OFFSET} \
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conv=notrunc
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CLEANFILES+= boot1.hfs
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MK_PIE= no
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.include <bsd.prog.mk>
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