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Makefile.bootprogs revision 1.21 
      1 # $NetBSD: Makefile.bootprogs,v 1.21 2002/01/05 01:22:21 thorpej Exp $
      2 
      3 S=	${.CURDIR}/../../../..
      4 
      5 .PATH:	${.CURDIR}/../common
      6 
      7 STRIPFLAG=
      8 BINMODE= 444
      9 
     10 STRIP?=	strip
     11 
     12 # XXX Can't do warnings yet.
     13 WARNS=	0
     14 
     15 CHECKSIZE_CMD=	SIZE=${SIZE} sh ${.CURDIR}/../common/checksize.sh
     16 
     17 .PHONY: machine-links
     18 beforedepend: machine-links
     19 # ${MACHINE} then ${MACHINE_ARCH}
     20 machine-links:
     21 	-rm -f machine && \
     22 	    ln -s $S/arch/alpha/include machine
     23 	-rm -f alpha && \
     24 	    ln -s $S/arch/alpha/include alpha
     25 CLEANFILES+=machine alpha
     26 
     27 realall: machine-links ${PROG}
     28 
     29 AFLAGS+=	-DASSEMBLER
     30 # -I${.CURDIR}/../.. done by Makefile.inc
     31 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     32 CFLAGS=		-ffreestanding -mno-fp-regs -g
     33 
     34 NETBSD_VERS!=sh ${.CURDIR}/../../../../conf/osrelease.sh
     35 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     36 
     37 CWARNFLAGS+=	-Wno-main
     38 
     39 # if there is a 'version' file, add rule for vers.c and add it to SRCS
     40 # and CLEANFILES
     41 .if exists(version)
     42 .PHONY: vers.c
     43 vers.c: version
     44 	sh ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "alpha"
     45 
     46 SRCS+=	vers.c
     47 CLEANFILES+= vers.c
     48 .endif
     49 
     50 # For descriptions of regions available to bootstrap programs, see
     51 # section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
     52 # the Alpha AXP Architecture Reference Manual.
     53 
     54 REGION1_START=		0x20000000		# "Region 1 start"
     55 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     56 
     57 # our memory lauout:
     58 
     59 #	'unified' boot loaders (e.g. netboot) can consume all of region
     60 #	1 for their text+data, or text+data+bss.
     61 
     62 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     63 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     64 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     65 
     66 #UNIFIED_HEAP_START=	right after secondary bss
     67 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     68 
     69 #	two-stage boot loaders must share region 1.  The first stage
     70 #	loads into the lowest portion, and uses the higest portion
     71 #	for its heap.  The second stage loads in between the primary image
     72 #	and the heap, and can reuse the memory after it (i.e. the primary's
     73 #	heap) for its own heap.
     74 
     75 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     76 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     77 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     78 
     79 # XXX SECONDARY_LOAD_ADDRESS should be
     80 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     81 # XXX way to do that calculation and 'ld' wants a single number.
     82 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     83 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     84 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     85 
     86 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     87 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     88 
     89 #SECONDARY_HEAP_START=	right after secondary bss
     90 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     91 
     92 #	standalone programs are like kernels.  They load at
     93 #	0xfffffc0000300000 and can use the rest of memory.
     94 
     95 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     96 
     97 
     98 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
     99 
    100 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
    101 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
    102 			${FILE_FORMAT_CPPFLAGS}
    103 
    104 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    105 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    106 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    107 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    108 			-DHEAP_START="${PRIMARY_HEAP_START}"
    109 
    110 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    111 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    112 			${FILE_FORMAT_CPPFLAGS}
    113 
    114 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    115 
    116 .include <bsd.prog.mk>
    117 
    118 COPTS+=-Os	# override -O supplied by user
    119 
    120 ### find out what to use for libkern
    121 KERN_AS=	library
    122 .include "${S}/lib/libkern/Makefile.inc"
    123 LIBKERN=	${KERNLIB}
    124 
    125 ### find out what to use for libz
    126 Z_AS=		library
    127 .include "${S}/lib/libz/Makefile.inc"
    128 LIBZ=		${ZLIB}
    129 
    130 ### find out what to use for libsa
    131 SA_AS=		library
    132 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
    133 .include "${S}/lib/libsa/Makefile.inc"
    134 LIBSA=		${SALIB}
    135