1# $NetBSD: Makefile.bootprogs,v 1.8 2011/01/22 19:19:22 joerg Exp $
2
3.include <bsd.own.mk>
4.include <bsd.sys.mk>		# for HOST_SH
5
6S=	${.CURDIR}/../../../..
7
8.PATH:	${.CURDIR}/../common
9
10STRIPFLAG=
11BINMODE= 444
12
13# XXX SHOULD NOT NEED TO DEFINE THESE!
14LIBCRT0=
15LIBC=
16LIBCRTBEGIN=
17LIBCRTEND=
18
19STRIP?=	strip
20
21CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
22
23.PHONY: machine-links
24beforedepend: machine-links
25# ${MACHINE} then ${MACHINE_ARCH}
26machine-links:
27	-rm -f machine && \
28	    ln -s $S/arch/sbmips/include machine
29	-rm -f mips && \
30	    ln -s $S/arch/mips/include mips
31CLEANFILES+=machine mips
32
33realall: machine-links ${PROG}
34
35AFLAGS+=	-DASSEMBLER -D_LOCORE -mno-abicalls
36# -I${.CURDIR}/../.. done by Makefile.inc
37CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
38CFLAGS=		-Os -g -ffreestanding -mno-abicalls -msoft-float -G 0
39CFLAGS+=	-Werror ${CWARNFLAGS}
40
41NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
42CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
43
44CWARNFLAGS+=	-Wno-main
45CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
46CWARNFLAGS+=	-Wno-pointer-sign
47
48# if there is a 'version' file, add rule for vers.c and add it to SRCS
49# and CLEANFILES
50.if exists(version)
51.PHONY: vers.c
52vers.c: version
53	${HOST_SH} ${S}/conf/newvers_stand.sh ${${MKREPRO} == "yes" :?:-D} \
54	    -N ${.CURDIR}/version "sbmips"
55
56SRCS+=	vers.c
57CLEANFILES+= vers.c
58.endif
59
60#
61# Refer to CFE documentation for a description of these regions.
62#
63
64REGION1_START=		0x20000000		# "Region 1 start"
65REGION1_SIZE!=		expr 256 \* 1024	# 256k
66
67# our memory lauout:
68
69#	'unified' boot loaders (e.g. netboot) can consume all of region
70#	1 for their text+data, or text+data+bss.
71
72UNIFIED_LOAD_ADDRESS=	${REGION1_START}
73UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
74UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
75
76#UNIFIED_HEAP_START=	right after secondary bss
77UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
78
79#	two-stage boot loaders must share region 1.  The first stage
80#	loads into the lowest portion, and uses the higest portion
81#	for its heap.  The second stage loads in between the primary image
82#	and the heap, and can reuse the memory after it (i.e. the primary's
83#	heap) for its own heap.
84
85PRIMARY_LOAD_ADDRESS=	${REGION1_START}
86#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
87PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
88
89# XXX SECONDARY_LOAD_ADDRESS should be
90# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
91# XXX way to do that calculation and 'ld' wants a single number.
92SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
93SECONDARY_MAX_LOAD!=	expr 112 \* 1024
94SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
95
96PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
97PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
98
99#SECONDARY_HEAP_START=	right after secondary bss
100SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
101
102#	standalone programs are like kernels.  They load at
103#	0xfffffc0000300000 and can use the rest of memory.
104
105STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
106
107
108FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF
109
110UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
111			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
112			${FILE_FORMAT_CPPFLAGS}
113
114PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
115			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
116			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
117			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
118			-DHEAP_START="${PRIMARY_HEAP_START}"
119
120SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
121			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
122			${FILE_FORMAT_CPPFLAGS}
123
124STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
125
126.include <bsd.prog.mk>
127
128### find out what to use for libkern
129KERN_AS=	library
130.include "${S}/lib/libkern/Makefile.inc"
131LIBKERN=	${KERNLIB}
132
133### find out what to use for libz
134Z_AS=		library
135.include "${S}/lib/libz/Makefile.inc"
136LIBZ=		${ZLIB}
137
138### find out what to use for libsa
139SA_AS=		library
140SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
141.include "${S}/lib/libsa/Makefile.inc"
142LIBSA=		${SALIB}
143
144
145/usr/lib/crt0.o:
146	true
147
148/usr/lib/crtbegin.o:
149	true
150
151/usr/lib/crtend.o:
152	true
153
154cleandir: cleandirlocal
155cleandirlocal:
156	-rm -rf lib
157