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Makefile.bootprogs revision 1.3 
      1 # $NetBSD: Makefile.bootprogs,v 1.3 2003/10/08 01:40:23 simonb Exp $
      2 
      3 S=	${.CURDIR}/../../../..
      4 
      5 .PATH:	${.CURDIR}/../common
      6 
      7 STRIPFLAG=
      8 BINMODE= 444
      9 
     10 # XXX SHOULD NOT NEED TO DEFINE THESE!
     11 LIBCRT0=
     12 LIBC=
     13 LIBCRTBEGIN=
     14 LIBCRTEND=
     15 
     16 STRIP?=	strip
     17 
     18 CHECKSIZE_CMD=	SIZE=${SIZE} sh ${.CURDIR}/../common/checksize.sh
     19 
     20 .PHONY: machine-links
     21 beforedepend: machine-links
     22 # ${MACHINE} then ${MACHINE_ARCH}
     23 machine-links:
     24 	-rm -f machine && \
     25 	    ln -s $S/arch/sbmips/include machine
     26 	-rm -f mips && \
     27 	    ln -s $S/arch/mips/include mips
     28 CLEANFILES+=machine mips
     29 
     30 realall: machine-links ${PROG}
     31 
     32 AFLAGS+=	-DASSEMBLER -D_LOCORE -mno-abicalls
     33 # -I${.CURDIR}/../.. done by Makefile.inc
     34 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     35 CFLAGS=		-Os -g -ffreestanding -mno-abicalls -msoft-float -G 0
     36 
     37 NETBSD_VERS!=sh ${.CURDIR}/../../../../conf/osrelease.sh
     38 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     39 
     40 CWARNFLAGS+=	-Wno-main 
     41 
     42 # if there is a 'version' file, add rule for vers.c and add it to SRCS
     43 # and CLEANFILES
     44 .if exists(version)
     45 .PHONY: vers.c
     46 vers.c: version
     47 	sh ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "sbmips"
     48 
     49 SRCS+=	vers.c
     50 CLEANFILES+= vers.c
     51 .endif
     52 
     53 # 
     54 # Refer to CFE documentation for a description of these regions.
     55 # 
     56 
     57 REGION1_START=		0x20000000		# "Region 1 start"
     58 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     59 
     60 # our memory lauout:
     61 
     62 #	'unified' boot loaders (e.g. netboot) can consume all of region
     63 #	1 for their text+data, or text+data+bss.
     64 
     65 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     66 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     67 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     68 
     69 #UNIFIED_HEAP_START=	right after secondary bss
     70 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     71 
     72 #	two-stage boot loaders must share region 1.  The first stage
     73 #	loads into the lowest portion, and uses the higest portion
     74 #	for its heap.  The second stage loads in between the primary image
     75 #	and the heap, and can reuse the memory after it (i.e. the primary's
     76 #	heap) for its own heap.
     77 
     78 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     79 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     80 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     81 
     82 # XXX SECONDARY_LOAD_ADDRESS should be
     83 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     84 # XXX way to do that calculation and 'ld' wants a single number.
     85 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     86 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     87 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     88 
     89 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     90 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     91 
     92 #SECONDARY_HEAP_START=	right after secondary bss
     93 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     94 
     95 #	standalone programs are like kernels.  They load at
     96 #	0xfffffc0000300000 and can use the rest of memory.
     97 
     98 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     99 
    100 
    101 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF
    102 
    103 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
    104 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
    105 			${FILE_FORMAT_CPPFLAGS}
    106 
    107 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    108 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    109 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    110 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    111 			-DHEAP_START="${PRIMARY_HEAP_START}"
    112 
    113 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    114 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    115 			${FILE_FORMAT_CPPFLAGS}
    116 
    117 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    118 
    119 .include <bsd.prog.mk>
    120 
    121 ### find out what to use for libkern
    122 KERN_AS=	library
    123 .include "${S}/lib/libkern/Makefile.inc"
    124 LIBKERN=	${KERNLIB}
    125 
    126 ### find out what to use for libz
    127 Z_AS=		library
    128 .include "${S}/lib/libz/Makefile.inc"
    129 LIBZ=		${ZLIB}
    130 
    131 ### find out what to use for libsa
    132 SA_AS=		library
    133 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
    134 .include "${S}/lib/libsa/Makefile.inc"
    135 LIBSA=		${SALIB}
    136 
    137 
    138 /usr/lib/crt0.o:
    139 	true
    140 
    141 /usr/lib/crtbegin.o:
    142 	true
    143 
    144 /usr/lib/crtend.o:
    145 	true
    146 
    147 cleandir: cleandirlocal
    148 cleandirlocal:
    149 	rm -rf lib
    150