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
6S=	${.CURDIR}/../../../..
7
8.PATH:	${.CURDIR}/../common
9
10BINMODE= 444
11
12STRIP?=	strip
13
14# XXX SHOULD NOT NEED TO DEFINE THESE!
15LIBCRT0=
16LIBC=
17LIBCRTBEGIN=
18LIBCRTEND=
19
20CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
21
22realall: ${PROG}
23
24AFLAGS+=	-DASSEMBLER
25# -I${.CURDIR}/../.. done by Makefile.inc
26CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
27CFLAGS=		-ffreestanding -mno-fp-regs -g
28
29NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
30CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
31
32CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
33CFLAGS+=	-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
39vers.c: version
40	${HOST_SH} ${S}/conf/newvers_stand.sh ${${MKREPRO} == "yes" :?:-D} \
41	    -N ${.CURDIR}/version "alpha"
42
43SRCS+=	vers.c
44CLEANFILES+= 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
51REGION1_START=		0x20000000		# "Region 1 start"
52REGION1_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
59UNIFIED_LOAD_ADDRESS=	${REGION1_START}
60UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
61UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
62
63#UNIFIED_HEAP_START=	right after secondary bss
64UNIFIED_HEAP_LIMIT=	(${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
72PRIMARY_LOAD_ADDRESS=	${REGION1_START}
73#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
74PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
75
76# XXX SECONDARY_LOAD_ADDRESS should be
77# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
78# XXX way to do that calculation and 'ld' wants a single number.
79SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
80SECONDARY_MAX_LOAD!=	expr 112 \* 1024
81SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
82
83PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
84PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
85
86#SECONDARY_HEAP_START=	right after secondary bss
87SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
88
89#	standalone programs are like kernels.  They load at
90#	0xfffffc0000300000 and can use the rest of memory.
91
92STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
93
94
95FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
96
97UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
98			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
99			${FILE_FORMAT_CPPFLAGS}
100
101PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
102			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
103			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
104			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
105			-DHEAP_START="${PRIMARY_HEAP_START}"
106
107SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
108			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
109			${FILE_FORMAT_CPPFLAGS}
110
111STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
112
113.include <bsd.prog.mk>
114.include <bsd.klinks.mk>
115
116STRIPFLAG=	# override values in ${MAKECONF}
117COPTS+=-Os	# override -O supplied by user
118
119### find out what to use for libkern
120KERN_AS=	library
121.include "${S}/lib/libkern/Makefile.inc"
122LIBKERN=	${KERNLIB}
123
124### find out what to use for libz
125Z_AS=		library
126.include "${S}/lib/libz/Makefile.inc"
127LIBZ=		${ZLIB}
128
129### find out what to use for libsa
130SA_AS=		library
131SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes
132.include "${S}/lib/libsa/Makefile.inc"
133LIBSA=		${SALIB}
134