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Makefile.bootprogs revision 1.32 
      1 # $NetBSD: Makefile.bootprogs,v 1.32 2011/01/23 13:24:05 joerg Exp $
      2 
      3 NOMAN=			# defined
      4 
      5 .include <bsd.own.mk>
      6 .include <bsd.sys.mk>		# for HOST_SH
      7 
      8 S=	${.CURDIR}/../../../..
      9 
     10 .PATH:	${.CURDIR}/../common
     11 
     12 BINMODE= 444
     13 
     14 STRIP?=	strip
     15 
     16 # XXX SHOULD NOT NEED TO DEFINE THESE!
     17 LIBCRT0=
     18 LIBC=
     19 LIBCRTBEGIN=
     20 LIBCRTEND=
     21 
     22 CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
     23 
     24 realall: ${PROG}
     25 
     26 AFLAGS+=	-DASSEMBLER
     27 # -I${.CURDIR}/../.. done by Makefile.inc
     28 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     29 CFLAGS=		-ffreestanding -mno-fp-regs -g
     30 
     31 NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
     32 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     33 
     34 CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
     35 CFLAGS+=	-Werror ${CWARNFLAGS}
     36 
     37 # if there is a 'version' file, add rule for vers.c and add it to SRCS
     38 # and CLEANFILES
     39 .if exists(version)
     40 .PHONY: vers.c
     41 vers.c: version
     42 	${HOST_SH} ${S}/conf/newvers_stand.sh ${${MKREPRO} == "yes" :?:-D} \
     43 	    -N ${.CURDIR}/version "alpha"
     44 
     45 SRCS+=	vers.c
     46 CLEANFILES+= vers.c
     47 .endif
     48 
     49 # For descriptions of regions available to bootstrap programs, see
     50 # section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
     51 # the Alpha AXP Architecture Reference Manual.
     52 
     53 REGION1_START=		0x20000000		# "Region 1 start"
     54 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     55 
     56 # our memory lauout:
     57 
     58 #	'unified' boot loaders (e.g. netboot) can consume all of region
     59 #	1 for their text+data, or text+data+bss.
     60 
     61 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     62 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     63 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     64 
     65 #UNIFIED_HEAP_START=	right after secondary bss
     66 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     67 
     68 #	two-stage boot loaders must share region 1.  The first stage
     69 #	loads into the lowest portion, and uses the higest portion
     70 #	for its heap.  The second stage loads in between the primary image
     71 #	and the heap, and can reuse the memory after it (i.e. the primary's
     72 #	heap) for its own heap.
     73 
     74 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     75 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     76 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     77 
     78 # XXX SECONDARY_LOAD_ADDRESS should be
     79 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     80 # XXX way to do that calculation and 'ld' wants a single number.
     81 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     82 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     83 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     84 
     85 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     86 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     87 
     88 #SECONDARY_HEAP_START=	right after secondary bss
     89 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     90 
     91 #	standalone programs are like kernels.  They load at
     92 #	0xfffffc0000300000 and can use the rest of memory.
     93 
     94 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     95 
     96 
     97 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
     98 
     99 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
    100 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
    101 			${FILE_FORMAT_CPPFLAGS}
    102 
    103 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    104 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    105 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    106 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    107 			-DHEAP_START="${PRIMARY_HEAP_START}"
    108 
    109 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    110 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    111 			${FILE_FORMAT_CPPFLAGS}
    112 
    113 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    114 
    115 .include <bsd.prog.mk>
    116 .include <bsd.klinks.mk>
    117 
    118 STRIPFLAG=	# override values in ${MAKECONF}
    119 COPTS+=-Os	# override -O supplied by user
    120 
    121 ### find out what to use for libkern
    122 KERN_AS=	library
    123 .include "${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