1# $NetBSD: Makefile.boot,v 1.25 2005/12/11 12:17:47 christos Exp $ 2 3S= ${.CURDIR}/../../../../../ 4 5NOMAN= 6BINDIR= /usr/mdec 7BINMODE= 0444 8PROG?= boot 9NEWVERSWHAT?= "BIOS Boot" 10VERSIONFILE?= ${.CURDIR}/../version 11 12SOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c 13SRCS= ${SOURCES} 14.if !make(depend) 15SRCS+= vers.c 16.endif 17 18.include <bsd.own.mk> 19 20STRIPFLAG= # nothing 21 22LIBCRT0= # nothing 23LIBCRTBEGIN= # nothing 24LIBCRTEND= # nothing 25LIBC= # nothing 26 27BINDIR=/usr/mdec 28BINMODE=444 29 30.PATH: ${.CURDIR}/.. ${.CURDIR}/../../lib 31 32LDFLAGS+= -N -e boot_start 33# CPPFLAGS+= -D__daddr_t=int32_t 34CPPFLAGS+= -I ${.CURDIR}/.. -I ${.CURDIR}/../../lib -I ${S}/lib/libsa 35CPPFLAGS+= -I ${.OBJDIR} 36#CPPFLAGS+= -DDEBUG_MEMSIZE 37 38# Make sure we override any optimization options specified by the user 39COPTS= -Os 40 41.if ${MACHINE} == "amd64" 42LD+= -m elf_i386 43AFLAGS+= -m32 44CPUFLAGS= -m32 45LIBKERN_ARCH=i386 46KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386" 47CPPFLAGS+= -DBOOT_ELF64 48.else 49CPUFLAGS= -mcpu=i386 50.endif 51 52COPTS+= -ffreestanding 53CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes 54CPPFLAGS+= -nostdinc -D_STANDALONE 55CPPFLAGS+= -I$S 56 57CPPFLAGS+= -DSUPPORT_PS2 58CPPFLAGS+= -DDIRECT_SERIAL 59CPPFLAGS+= -DSUPPORT_SERIAL=boot_params.bp_consdev 60 61CPPFLAGS+= -DCONSPEED=boot_params.bp_conspeed 62CPPFLAGS+= -DCONSADDR=boot_params.bp_consaddr 63CPPFLAGS+= -DCONSOLE_KEYMAP=boot_params.bp_keymap 64 65CPPFLAGS+= -DSUPPORT_CD9660 66CPPFLAGS+= -DSUPPORT_USTARFS 67CPPFLAGS+= -DSUPPORT_DOSFS 68CPPFLAGS+= -DPASS_BIOSGEOM 69CPPFLAGS+= -DPASS_MEMMAP 70#CPPFLAGS+= -DBOOTPASSWD 71CPPFLAGS+= -DEPIA_HACK 72 73# The biosboot code is linked to 'virtual' address of zero and is 74# loaded at physical address 0x10000. 75# XXX The heap values should be determined from _end. 76SAMISCCPPFLAGS+= -DHEAP_START=0x20000 -DHEAP_LIMIT=0x50000 77SAMISCMAKEFLAGS+= SA_USE_CREAD=yes # Read compressed kernels 78SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no # Netboot via TFTP, NFS 79 80 81# CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT 82 83I386_STAND_DIR?= $S/arch/i386/stand 84 85CLEANFILES+= machine x86 86 87.if !make(obj) && !make(clean) && !make(cleandir) 88.BEGIN: 89 -rm -f machine && ln -s $S/arch/i386/include machine 90 -rm -f x86 && ln -s $S/arch/x86/include x86 91.ifdef LIBOBJ 92 -rm -f lib && ln -s ${LIBOBJ}/lib lib 93 mkdir -p ${LIBOBJ}/lib 94.endif 95.endif 96 97### find out what to use for libi386 98I386DIR= ${I386_STAND_DIR}/lib 99.include "${I386DIR}/Makefile.inc" 100LIBI386= ${I386LIB} 101 102### find out what to use for libsa 103SA_AS= library 104SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes" 105.include "${S}/lib/libsa/Makefile.inc" 106LIBSA= ${SALIB} 107 108### find out what to use for libkern 109KERN_AS= library 110.include "${S}/lib/libkern/Makefile.inc" 111LIBKERN= ${KERNLIB} 112 113### find out what to use for libz 114Z_AS= library 115.include "${S}/lib/libz/Makefile.inc" 116LIBZ= ${ZLIB} 117 118 119cleandir distclean: cleanlibdir 120 121cleanlibdir: 122 -rm -rf lib 123 124LIBLIST= ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} ${LIBSA} 125# LIBLIST= ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} 126 127CLEANFILES+= ${PROG}.tmp ${PROG}.map vers.c 128 129vers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.boot 130 ${HOST_SH} ${S}conf/newvers_stand.sh ${VERSIONFILE} ${MACHINE} ${NEWVERSWHAT} 131 132# Anything that calls 'real_to_prot' must have a %pc < 0x10000. 133# We link the program, find the callers (all in libi386), then 134# explicitely pull in the required objects before any other library code. 135${PROG}: ${OBJS} ${LIBLIST} ${.CURDIR}/../Makefile.boot 136 bb="$$( ${LD} -o ${PROG}.tmp ${LDFLAGS} -Ttext 0 -cref \ 137 ${OBJS} ${LIBLIST} | ( \ 138 while read symbol file; do \ 139 [ -z "$$file" ] && continue; \ 140 [ "$$symbol" = real_to_prot ] && break; \ 141 done; \ 142 while \ 143 oifs="$$IFS"; \ 144 IFS='()'; \ 145 set -- $$file; \ 146 IFS="$$oifs"; \ 147 [ -n "$$2" ] && echo "${I386DST}/$$2"; \ 148 read file rest && [ -z "$$rest" ]; \ 149 do :; \ 150 done; \ 151 ) )"; \ 152 ${LD} -o ${PROG}.tmp ${LDFLAGS} -Ttext 0 \ 153 -Map ${PROG}.map -cref ${OBJS} $$bb ${LIBLIST} 154 ${OBJCOPY} -O binary ${PROG}.tmp ${PROG} 155 rm -f ${PROG}.tmp 156 157.include <bsd.prog.mk> 158