c897ebc21a
With each gcc version -O2 can cause absolutely unpredicatable things Second stage boot still fits in allowed size
58 lines
1.4 KiB
Makefile
58 lines
1.4 KiB
Makefile
# $Id: Makefile,v 1.21 1994/10/28 07:54:13 rgrimes Exp $
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#
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PROG= boot
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# Order is very important on the SRCS line for this prog
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SRCS= start.S table.c boot2.S boot.c asm.S bios.S io.c disk.c sys.c
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BINDIR= /usr/mdec
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BINMODE= 444
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CFLAGS= -O -DDO_BAD144 -DBOOTWAIT=${BOOTWAIT}
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CFLAGS+= -DBOOTSEG=${BOOTSEG} -DBOOTSTACK=${BOOTSTACK}
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CFLAGS+= -I${.CURDIR} -I${.CURDIR}/../..
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CLEANFILES+= boot.nohdr boot.strip boot1 boot2
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DPADD= ${LIBC}
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LDFLAGS+= -N -T 0 -nostdlib
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LDADD= -lc
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LINKS= ${BINDIR}/sdboot ${BINDIR}/wdboot\
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${BINDIR}/sdboot ${BINDIR}/fdboot\
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${BINDIR}/bootsd ${BINDIR}/bootwd\
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${BINDIR}/bootsd ${BINDIR}/bootfd
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NOSHARED= YES
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NOMAN=
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STRIP=
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# tunable timeout parameter, waiting for keypress, calibrated in mS
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BOOTWAIT?= 5000
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# Location that boot2 is loaded at
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BOOTSEG= 0x1000
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# Offset in BOOTSEG for the top of the stack, keep this 16 byte aligned
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BOOTSTACK= 0xFFF0
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boot.strip: boot
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cp -p boot boot.strip
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strip boot.strip
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size boot.strip
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boot.nohdr: boot.strip
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dd if=boot.strip of=boot.nohdr ibs=32 skip=1 obs=1024b
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ls -l boot.nohdr
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boot1: boot.nohdr
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dd if=boot.nohdr of=boot1 bs=512 count=1
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boot2: boot.nohdr
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dd if=boot.nohdr of=boot2 bs=512 skip=1
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all: boot1 boot2
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beforeinstall:
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install ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE}\
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boot1 ${DESTDIR}${BINDIR}/sdboot
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install ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE}\
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boot2 ${DESTDIR}${BINDIR}/bootsd
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.include <bsd.prog.mk>
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