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Makefile.bootprogs revision 1.30 
      1 # $NetBSD: Makefile.bootprogs,v 1.30 2009/04/20 13:15:12 tsutsui Exp $
      2 
      3 .include <bsd.sys.mk>		# for HOST_SH
      4 
      5 S=	${.CURDIR}/../../../..
      6 
      7 .PATH:	${.CURDIR}/../common
      8 
      9 BINMODE= 444
     10 
     11 STRIP?=	strip
     12 
     13 # XXX SHOULD NOT NEED TO DEFINE THESE!
     14 LIBCRT0=
     15 LIBC=
     16 LIBCRTBEGIN=
     17 LIBCRTEND=
     18 
     19 CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
     20 
     21 realall: ${PROG}
     22 
     23 AFLAGS+=	-DASSEMBLER
     24 # -I${.CURDIR}/../.. done by Makefile.inc
     25 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     26 CFLAGS=		-ffreestanding -mno-fp-regs -g
     27 
     28 NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
     29 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     30 
     31 CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
     32 CFLAGS+=	-Werror ${CWARNFLAGS}
     33 
     34 # if there is a 'version' file, add rule for vers.c and add it to SRCS
     35 # and CLEANFILES
     36 .if exists(version)
     37 .PHONY: vers.c
     38 vers.c: version
     39 	${HOST_SH} ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "alpha"
     40 
     41 SRCS+=	vers.c
     42 CLEANFILES+= vers.c
     43 .endif
     44 
     45 # For descriptions of regions available to bootstrap programs, see
     46 # section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
     47 # the Alpha AXP Architecture Reference Manual.
     48 
     49 REGION1_START=		0x20000000		# "Region 1 start"
     50 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     51 
     52 # our memory lauout:
     53 
     54 #	'unified' boot loaders (e.g. netboot) can consume all of region
     55 #	1 for their text+data, or text+data+bss.
     56 
     57 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     58 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     59 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     60 
     61 #UNIFIED_HEAP_START=	right after secondary bss
     62 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     63 
     64 #	two-stage boot loaders must share region 1.  The first stage
     65 #	loads into the lowest portion, and uses the higest portion
     66 #	for its heap.  The second stage loads in between the primary image
     67 #	and the heap, and can reuse the memory after it (i.e. the primary's
     68 #	heap) for its own heap.
     69 
     70 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     71 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     72 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     73 
     74 # XXX SECONDARY_LOAD_ADDRESS should be
     75 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     76 # XXX way to do that calculation and 'ld' wants a single number.
     77 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     78 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     79 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     80 
     81 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     82 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     83 
     84 #SECONDARY_HEAP_START=	right after secondary bss
     85 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     86 
     87 #	standalone programs are like kernels.  They load at
     88 #	0xfffffc0000300000 and can use the rest of memory.
     89 
     90 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     91 
     92 
     93 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
     94 
     95 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
     96 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
     97 			${FILE_FORMAT_CPPFLAGS}
     98 
     99 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    100 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    101 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    102 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    103 			-DHEAP_START="${PRIMARY_HEAP_START}"
    104 
    105 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    106 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    107 			${FILE_FORMAT_CPPFLAGS}
    108 
    109 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    110 
    111 .include <bsd.prog.mk>
    112 .include <bsd.klinks.mk>
    113 
    114 STRIPFLAG=	# override values in ${MAKECONF}
    115 COPTS+=-Os	# override -O supplied by user
    116 
    117 ### find out what to use for libkern
    118 KERN_AS=	library
    119 .include "${S}/lib/libkern/Makefile.inc"
    120 LIBKERN=	${KERNLIB}
    121 
    122 ### find out what to use for libz
    123 Z_AS=		library
    124 .include "${S}/lib/libz/Makefile.inc"
    125 LIBZ=		${ZLIB}
    126 
    127 ### find out what to use for libsa
    128 SA_AS=		library
    129 SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes
    130 .include "${S}/lib/libsa/Makefile.inc"
    131 LIBSA=		${SALIB}
    132