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Makefile.bootprogs revision 1.7 
      1 # $NetBSD: Makefile.bootprogs,v 1.7 2009/01/12 07:30:45 tsutsui Exp $
      2 
      3 .include <bsd.sys.mk>		# for HOST_SH
      4 
      5 S=	${.CURDIR}/../../../..
      6 
      7 .PATH:	${.CURDIR}/../common
      8 
      9 STRIPFLAG=
     10 BINMODE= 444
     11 
     12 # XXX SHOULD NOT NEED TO DEFINE THESE!
     13 LIBCRT0=
     14 LIBC=
     15 LIBCRTBEGIN=
     16 LIBCRTEND=
     17 
     18 STRIP?=	strip
     19 
     20 CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
     21 
     22 .PHONY: machine-links
     23 beforedepend: machine-links
     24 # ${MACHINE} then ${MACHINE_ARCH}
     25 machine-links:
     26 	-rm -f machine && \
     27 	    ln -s $S/arch/sbmips/include machine
     28 	-rm -f mips && \
     29 	    ln -s $S/arch/mips/include mips
     30 CLEANFILES+=machine mips
     31 
     32 realall: machine-links ${PROG}
     33 
     34 AFLAGS+=	-DASSEMBLER -D_LOCORE -mno-abicalls
     35 # -I${.CURDIR}/../.. done by Makefile.inc
     36 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     37 CFLAGS=		-Os -g -ffreestanding -mno-abicalls -msoft-float -G 0
     38 CFLAGS+=	-Werror ${CWARNFLAGS}
     39 
     40 NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
     41 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     42 
     43 CWARNFLAGS+=	-Wno-main 
     44 CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
     45 CWARNFLAGS+=	-Wno-pointer-sign
     46 
     47 # if there is a 'version' file, add rule for vers.c and add it to SRCS
     48 # and CLEANFILES
     49 .if exists(version)
     50 .PHONY: vers.c
     51 vers.c: version
     52 	${HOST_SH} ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "sbmips"
     53 
     54 SRCS+=	vers.c
     55 CLEANFILES+= vers.c
     56 .endif
     57 
     58 # 
     59 # Refer to CFE documentation for a description of these regions.
     60 # 
     61 
     62 REGION1_START=		0x20000000		# "Region 1 start"
     63 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     64 
     65 # our memory lauout:
     66 
     67 #	'unified' boot loaders (e.g. netboot) can consume all of region
     68 #	1 for their text+data, or text+data+bss.
     69 
     70 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     71 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     72 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     73 
     74 #UNIFIED_HEAP_START=	right after secondary bss
     75 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     76 
     77 #	two-stage boot loaders must share region 1.  The first stage
     78 #	loads into the lowest portion, and uses the higest portion
     79 #	for its heap.  The second stage loads in between the primary image
     80 #	and the heap, and can reuse the memory after it (i.e. the primary's
     81 #	heap) for its own heap.
     82 
     83 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     84 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     85 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     86 
     87 # XXX SECONDARY_LOAD_ADDRESS should be
     88 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     89 # XXX way to do that calculation and 'ld' wants a single number.
     90 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     91 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     92 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     93 
     94 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     95 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     96 
     97 #SECONDARY_HEAP_START=	right after secondary bss
     98 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     99 
    100 #	standalone programs are like kernels.  They load at
    101 #	0xfffffc0000300000 and can use the rest of memory.
    102 
    103 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
    104 
    105 
    106 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF
    107 
    108 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
    109 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
    110 			${FILE_FORMAT_CPPFLAGS}
    111 
    112 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    113 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    114 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    115 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    116 			-DHEAP_START="${PRIMARY_HEAP_START}"
    117 
    118 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    119 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    120 			${FILE_FORMAT_CPPFLAGS}
    121 
    122 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    123 
    124 .include <bsd.prog.mk>
    125 
    126 ### find out what to use for libkern
    127 KERN_AS=	library
    128 .include "${S}/lib/libkern/Makefile.inc"
    129 LIBKERN=	${KERNLIB}
    130 
    131 ### find out what to use for libz
    132 Z_AS=		library
    133 .include "${S}/lib/libz/Makefile.inc"
    134 LIBZ=		${ZLIB}
    135 
    136 ### find out what to use for libsa
    137 SA_AS=		library
    138 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
    139 .include "${S}/lib/libsa/Makefile.inc"
    140 LIBSA=		${SALIB}
    141 
    142 
    143 /usr/lib/crt0.o:
    144 	true
    145 
    146 /usr/lib/crtbegin.o:
    147 	true
    148 
    149 /usr/lib/crtend.o:
    150 	true
    151 
    152 cleandir: cleandirlocal
    153 cleandirlocal:
    154 	-rm -rf lib
    155