Makefile.bootprogs revision 1.33 
1# $NetBSD: Makefile.bootprogs,v 1.33 2014/01/12 15:26:28 tsutsui Exp $
2
3NOMAN=			# defined
4
5.include <bsd.own.mk>
6.include <bsd.sys.mk>		# for HOST_SH
7
8S=	${.CURDIR}/../../../..
9
10.PATH:	${.CURDIR}/../common
11
12BINMODE= 444
13
14STRIP?=	strip
15
16# XXX SHOULD NOT NEED TO DEFINE THESE!
17LIBCRT0=
18LIBCRTI=
19LIBC=
20LIBCRTBEGIN=
21LIBCRTEND=
22
23CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
24
25realall: ${PROG}
26
27AFLAGS+=	-DASSEMBLER
28# -I${.CURDIR}/../.. done by Makefile.inc
29CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
30CFLAGS=		-ffreestanding -mno-fp-regs -g
31
32NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
33CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
34
35CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
36CFLAGS+=	-Werror ${CWARNFLAGS}
37
38# if there is a 'version' file, add rule for vers.c and add it to SRCS
39# and CLEANFILES
40.if exists(version)
41.PHONY: vers.c
42vers.c: version
43	${HOST_SH} ${S}/conf/newvers_stand.sh ${${MKREPRO} == "yes" :?:-D} \
44	    -N ${.CURDIR}/version "alpha"
45
46SRCS+=	vers.c
47CLEANFILES+= vers.c
48.endif
49
50# For descriptions of regions available to bootstrap programs, see
51# section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
52# the Alpha AXP Architecture Reference Manual.
53
54REGION1_START=		0x20000000		# "Region 1 start"
55REGION1_SIZE!=		expr 256 \* 1024	# 256k
56
57# our memory lauout:
58
59#	'unified' boot loaders (e.g. netboot) can consume all of region
60#	1 for their text+data, or text+data+bss.
61
62UNIFIED_LOAD_ADDRESS=	${REGION1_START}
63UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
64UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
65
66#UNIFIED_HEAP_START=	right after secondary bss
67UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
68
69#	two-stage boot loaders must share region 1.  The first stage
70#	loads into the lowest portion, and uses the higest portion
71#	for its heap.  The second stage loads in between the primary image
72#	and the heap, and can reuse the memory after it (i.e. the primary's
73#	heap) for its own heap.
74
75PRIMARY_LOAD_ADDRESS=	${REGION1_START}
76#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
77PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
78
79# XXX SECONDARY_LOAD_ADDRESS should be
80# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
81# XXX way to do that calculation and 'ld' wants a single number.
82SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
83SECONDARY_MAX_LOAD!=	expr 112 \* 1024
84SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
85
86PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
87PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
88
89#SECONDARY_HEAP_START=	right after secondary bss
90SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
91
92#	standalone programs are like kernels.  They load at
93#	0xfffffc0000300000 and can use the rest of memory.
94
95STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
96
97
98FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
99
100UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
101			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
102			${FILE_FORMAT_CPPFLAGS}
103
104PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
105			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
106			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
107			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
108			-DHEAP_START="${PRIMARY_HEAP_START}"
109
110SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
111			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
112			${FILE_FORMAT_CPPFLAGS}
113
114STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
115
116.include <bsd.prog.mk>
117.include <bsd.klinks.mk>
118
119STRIPFLAG=	# override values in ${MAKECONF}
120COPTS+=-Os	# override -O supplied by user
121
122### find out what to use for libkern
123KERN_AS=	library
124.include "${S}/lib/libkern/Makefile.inc"
125LIBKERN=	${KERNLIB}
126
127### find out what to use for libz
128Z_AS=		library
129.include "${S}/lib/libz/Makefile.inc"
130LIBZ=		${ZLIB}
131
132### find out what to use for libsa
133SA_AS=		library
134SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes
135.include "${S}/lib/libsa/Makefile.inc"
136LIBSA=		${SALIB}
137