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Makefile.bootprogs revision 1.29 
      1 # $NetBSD: Makefile.bootprogs,v 1.29 2009/04/13 12:18:56 tsutsui Exp $
      2 
      3 .include <bsd.sys.mk>		# for HOST_SH
      4 
      5 S=	${.CURDIR}/../../../..
      6 
      7 .PATH:	${.CURDIR}/../common
      8 
      9 STRIPFLAG=
     10 BINMODE= 444
     11 
     12 STRIP?=	strip
     13 
     14 # XXX SHOULD NOT NEED TO DEFINE THESE!
     15 LIBCRT0=
     16 LIBC=
     17 LIBCRTBEGIN=
     18 LIBCRTEND=
     19 
     20 CHECKSIZE_CMD=	SIZE=${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 -N ${.CURDIR}/version "alpha"
     41 
     42 SRCS+=	vers.c
     43 CLEANFILES+= vers.c
     44 .endif
     45 
     46 # For descriptions of regions available to bootstrap programs, see
     47 # section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
     48 # the Alpha AXP Architecture Reference Manual.
     49 
     50 REGION1_START=		0x20000000		# "Region 1 start"
     51 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     52 
     53 # our memory lauout:
     54 
     55 #	'unified' boot loaders (e.g. netboot) can consume all of region
     56 #	1 for their text+data, or text+data+bss.
     57 
     58 UNIFIED_LOAD_ADDRESS=	${REGION1_START}
     59 UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
     60 UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
     61 
     62 #UNIFIED_HEAP_START=	right after secondary bss
     63 UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     64 
     65 #	two-stage boot loaders must share region 1.  The first stage
     66 #	loads into the lowest portion, and uses the higest portion
     67 #	for its heap.  The second stage loads in between the primary image
     68 #	and the heap, and can reuse the memory after it (i.e. the primary's
     69 #	heap) for its own heap.
     70 
     71 PRIMARY_LOAD_ADDRESS=	${REGION1_START}
     72 #PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
     73 PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
     74 
     75 # XXX SECONDARY_LOAD_ADDRESS should be
     76 # XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
     77 # XXX way to do that calculation and 'ld' wants a single number.
     78 SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
     79 SECONDARY_MAX_LOAD!=	expr 112 \* 1024
     80 SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
     81 
     82 PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
     83 PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     84 
     85 #SECONDARY_HEAP_START=	right after secondary bss
     86 SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
     87 
     88 #	standalone programs are like kernels.  They load at
     89 #	0xfffffc0000300000 and can use the rest of memory.
     90 
     91 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     92 
     93 
     94 FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
     95 
     96 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
     97 			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
     98 			${FILE_FORMAT_CPPFLAGS}
     99 
    100 PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
    101 			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
    102 			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
    103 			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
    104 			-DHEAP_START="${PRIMARY_HEAP_START}"
    105 
    106 SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
    107 			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
    108 			${FILE_FORMAT_CPPFLAGS}
    109 
    110 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    111 
    112 .include <bsd.prog.mk>
    113 .include <bsd.klinks.mk>
    114 
    115 COPTS+=-Os	# override -O supplied by user
    116 
    117 ### find out what to use for libkern
    118 KERN_AS=	library
    119 .include "${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