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Makefile.bootprogs revision 1.31 
      1 # $NetBSD: Makefile.bootprogs,v 1.31 2011/01/22 19:19:15 joerg Exp $
      2 
      3 .include <bsd.own.mk>
      4 .include <bsd.sys.mk>		# for HOST_SH
      5 
      6 S=	${.CURDIR}/../../../..
      7 
      8 .PATH:	${.CURDIR}/../common
      9 
     10 BINMODE= 444
     11 
     12 STRIP?=	strip
     13 
     14 # XXX SHOULD NOT NEED TO DEFINE THESE!
     15 LIBCRT0=
     16 LIBC=
     17 LIBCRTBEGIN=
     18 LIBCRTEND=
     19 
     20 CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
     21 
     22 realall: ${PROG}
     23 
     24 AFLAGS+=	-DASSEMBLER
     25 # -I${.CURDIR}/../.. done by Makefile.inc
     26 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     27 CFLAGS=		-ffreestanding -mno-fp-regs -g
     28 
     29 NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
     30 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     31 
     32 CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
     33 CFLAGS+=	-Werror ${CWARNFLAGS}
     34 
     35 # if there is a 'version' file, add rule for vers.c and add it to SRCS
     36 # and CLEANFILES
     37 .if exists(version)
     38 .PHONY: vers.c
     39 vers.c: version
     40 	${HOST_SH} ${S}/conf/newvers_stand.sh ${${MKREPRO} == "yes" :?:-D} \
     41 	    -N ${.CURDIR}/version "alpha"
     42 
     43 SRCS+=	vers.c
     44 CLEANFILES+= vers.c
     45 .endif
     46 
     47 # For descriptions of regions available to bootstrap programs, see
     48 # section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
     49 # the Alpha AXP Architecture Reference Manual.
     50 
     51 REGION1_START=		0x20000000		# "Region 1 start"
     52 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     53 
     54 # our memory lauout:
     55 
     56 #	'unified' boot loaders (e.g. netboot) can consume all of region
     57 #	1 for their text+data, or text+data+bss.
     58 
     59 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     60 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     61 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     62 
     63 #UNIFIED_HEAP_START=	right after secondary bss
     64 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     65 
     66 #	two-stage boot loaders must share region 1.  The first stage
     67 #	loads into the lowest portion, and uses the higest portion
     68 #	for its heap.  The second stage loads in between the primary image
     69 #	and the heap, and can reuse the memory after it (i.e. the primary's
     70 #	heap) for its own heap.
     71 
     72 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     73 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     74 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     75 
     76 # XXX SECONDARY_LOAD_ADDRESS should be
     77 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     78 # XXX way to do that calculation and 'ld' wants a single number.
     79 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     80 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     81 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     82 
     83 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     84 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     85 
     86 #SECONDARY_HEAP_START=	right after secondary bss
     87 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     88 
     89 #	standalone programs are like kernels.  They load at
     90 #	0xfffffc0000300000 and can use the rest of memory.
     91 
     92 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     93 
     94 
     95 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
     96 
     97 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
     98 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
     99 			${FILE_FORMAT_CPPFLAGS}
    100 
    101 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    102 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    103 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    104 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    105 			-DHEAP_START="${PRIMARY_HEAP_START}"
    106 
    107 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    108 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    109 			${FILE_FORMAT_CPPFLAGS}
    110 
    111 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    112 
    113 .include <bsd.prog.mk>
    114 .include <bsd.klinks.mk>
    115 
    116 STRIPFLAG=	# override values in ${MAKECONF}
    117 COPTS+=-Os	# override -O supplied by user
    118 
    119 ### find out what to use for libkern
    120 KERN_AS=	library
    121 .include "${S}/lib/libkern/Makefile.inc"
    122 LIBKERN=	${KERNLIB}
    123 
    124 ### find out what to use for libz
    125 Z_AS=		library
    126 .include "${S}/lib/libz/Makefile.inc"
    127 LIBZ=		${ZLIB}
    128 
    129 ### find out what to use for libsa
    130 SA_AS=		library
    131 SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes
    132 .include "${S}/lib/libsa/Makefile.inc"
    133 LIBSA=		${SALIB}
    134