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Makefile.bootprogs revision 1.3 
      1 # $NetBSD: Makefile.bootprogs,v 1.3 2017/08/21 16:36:00 christos Exp $
      2 
      3 NOSSP=yes
      4 NOPIE=yes
      5 
      6 .include <bsd.own.mk>
      7 .include <bsd.klinks.mk>
      8 
      9 S=	${.CURDIR}/../../../../..
     10 COMMON=	${.CURDIR}/../common
     11 
     12 .PATH:	${COMMON}
     13 
     14 STRIPFLAG=
     15 BINMODE= 444
     16 
     17 # XXX SHOULD NOT NEED TO DEFINE THESE!
     18 LIBCRT0=
     19 LIBCRTI=
     20 LIBC=
     21 LIBCRTBEGIN=
     22 LIBCRTEND=
     23 
     24 STRIP?=	strip
     25 
     26 CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${COMMON}/checksize.sh
     27 
     28 AFLAGS+=	-DASSEMBLER -D_LOCORE -mno-abicalls -mips64
     29 # -I${.CURDIR}/../.. done by Makefile.inc
     30 CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
     31 CFLAGS=		-Os -g -ffreestanding -mno-abicalls -msoft-float -G 0
     32 CFLAGS+=	-mips64
     33 CFLAGS+=	-Werror ${CWARNFLAGS}
     34 
     35 NETBSD_VERS!=${HOST_SH} ${S}/conf/osrelease.sh
     36 CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
     37 
     38 CWARNFLAGS+=	-Wno-main 
     39 CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
     40 CWARNFLAGS+=	-Wno-pointer-sign
     41 
     42 VERSIONFLAGS+=-n
     43 .include "${S}/conf/newvers_stand.mk"
     44 
     45 # 
     46 # Refer to CFE documentation for a description of these regions.
     47 # 
     48 
     49 REGION1_START=		0x20000000		# "Region 1 start"
     50 REGION1_SIZE!=		expr 256 \* 1024	# 256k
     51 
     52 LDSCRIPT=		${COMMON}/boot.ldscript
     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} + ${REGION1_SIZE})
     88 
     89 #	standalone programs are like kernels.  They load at
     90 #	0xfffffc0000300000 and can use the rest of memory.
     91 
     92 STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
     93 
     94 
     95 FILE_FORMAT_CPPFLAGS=	-DBOOT_ELF
     96 
     97 UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
     98 			-DHEAP_LIMIT="${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 			${FILE_FORMAT_CPPFLAGS}
    110 
    111 STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
    112 
    113 .include <bsd.prog.mk>
    114 
    115 ### find out what to use for libkern
    116 KERN_AS=	library
    117 .include "${S}/lib/libkern/Makefile.inc"
    118 LIBKERN=	${KERNLIB}
    119 
    120 ### find out what to use for libz
    121 Z_AS=		library
    122 .include "${S}/lib/libz/Makefile.inc"
    123 LIBZ=		${ZLIB}
    124 
    125 ### find out what to use for libsa
    126 SA_AS=		library
    127 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
    128 .include "${S}/lib/libsa/Makefile.inc"
    129 LIBSA=		${SALIB}
    130 
    131 /usr/lib/crt0.o:
    132 	true
    133 
    134 /usr/lib/crtbegin.o:
    135 	true
    136 
    137 /usr/lib/crtend.o:
    138 	true
    139 
    140 cleandir: .WAIT cleandirlocal
    141 cleandirlocal:
    142 	-rm -rf lib
    143