Makefile.bootprogs revision 1.3 
1# $NetBSD: Makefile.bootprogs,v 1.3 2003/10/08 01:40:23 simonb Exp $
2
3S=	${.CURDIR}/../../../..
4
5.PATH:	${.CURDIR}/../common
6
7STRIPFLAG=
8BINMODE= 444
9
10# XXX SHOULD NOT NEED TO DEFINE THESE!
11LIBCRT0=
12LIBC=
13LIBCRTBEGIN=
14LIBCRTEND=
15
16STRIP?=	strip
17
18CHECKSIZE_CMD=	SIZE=${SIZE} sh ${.CURDIR}/../common/checksize.sh
19
20.PHONY: machine-links
21beforedepend: machine-links
22# ${MACHINE} then ${MACHINE_ARCH}
23machine-links:
24	-rm -f machine && \
25	    ln -s $S/arch/sbmips/include machine
26	-rm -f mips && \
27	    ln -s $S/arch/mips/include mips
28CLEANFILES+=machine mips
29
30realall: machine-links ${PROG}
31
32AFLAGS+=	-DASSEMBLER -D_LOCORE -mno-abicalls
33# -I${.CURDIR}/../.. done by Makefile.inc
34CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
35CFLAGS=		-Os -g -ffreestanding -mno-abicalls -msoft-float -G 0
36
37NETBSD_VERS!=sh ${.CURDIR}/../../../../conf/osrelease.sh
38CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
39
40CWARNFLAGS+=	-Wno-main 
41
42# if there is a 'version' file, add rule for vers.c and add it to SRCS
43# and CLEANFILES
44.if exists(version)
45.PHONY: vers.c
46vers.c: version
47	sh ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "sbmips"
48
49SRCS+=	vers.c
50CLEANFILES+= vers.c
51.endif
52
53# 
54# Refer to CFE documentation for a description of these regions.
55# 
56
57REGION1_START=		0x20000000		# "Region 1 start"
58REGION1_SIZE!=		expr 256 \* 1024	# 256k
59
60# our memory lauout:
61
62#	'unified' boot loaders (e.g. netboot) can consume all of region
63#	1 for their text+data, or text+data+bss.
64
65UNIFIED_LOAD_ADDRESS=	${REGION1_START}
66UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
67UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
68
69#UNIFIED_HEAP_START=	right after secondary bss
70UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
71
72#	two-stage boot loaders must share region 1.  The first stage
73#	loads into the lowest portion, and uses the higest portion
74#	for its heap.  The second stage loads in between the primary image
75#	and the heap, and can reuse the memory after it (i.e. the primary's
76#	heap) for its own heap.
77
78PRIMARY_LOAD_ADDRESS=	${REGION1_START}
79#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
80PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
81
82# XXX SECONDARY_LOAD_ADDRESS should be
83# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
84# XXX way to do that calculation and 'ld' wants a single number.
85SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
86SECONDARY_MAX_LOAD!=	expr 112 \* 1024
87SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
88
89PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
90PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
91
92#SECONDARY_HEAP_START=	right after secondary bss
93SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
94
95#	standalone programs are like kernels.  They load at
96#	0xfffffc0000300000 and can use the rest of memory.
97
98STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
99
100
101FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF
102
103UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
104			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
105			${FILE_FORMAT_CPPFLAGS}
106
107PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
108			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
109			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
110			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
111			-DHEAP_START="${PRIMARY_HEAP_START}"
112
113SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
114			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
115			${FILE_FORMAT_CPPFLAGS}
116
117STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
118
119.include <bsd.prog.mk>
120
121### find out what to use for libkern
122KERN_AS=	library
123.include "${S}/lib/libkern/Makefile.inc"
124LIBKERN=	${KERNLIB}
125
126### find out what to use for libz
127Z_AS=		library
128.include "${S}/lib/libz/Makefile.inc"
129LIBZ=		${ZLIB}
130
131### find out what to use for libsa
132SA_AS=		library
133SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
134.include "${S}/lib/libsa/Makefile.inc"
135LIBSA=		${SALIB}
136
137
138/usr/lib/crt0.o:
139	true
140
141/usr/lib/crtbegin.o:
142	true
143
144/usr/lib/crtend.o:
145	true
146
147cleandir: cleandirlocal
148cleandirlocal:
149	rm -rf lib
150