Makefile.bootprogs revision 1.10
1# $NetBSD: Makefile.bootprogs,v 1.10 2012/01/19 19:58:16 matt 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 .WAIT
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 ${PROG}
34
35AFLAGS+=	-DASSEMBLER -D_LOCORE -mno-abicalls -mips64
36# -I${.CURDIR}/../.. done by Makefile.inc
37CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
38CFLAGS=		-Os -g -ffreestanding -mno-abicalls -msoft-float -G 0
39CFLAGS+=	-mips64
40CFLAGS+=	-Werror ${CWARNFLAGS}
41
42NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
43CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
44
45CWARNFLAGS+=	-Wno-main 
46CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
47CWARNFLAGS+=	-Wno-pointer-sign
48
49# if there is a 'version' file, add rule for vers.c and add it to SRCS
50# and CLEANFILES
51.if exists(version)
52.PHONY: vers.c
53vers.c: version
54	${HOST_SH} ${S}/conf/newvers_stand.sh ${${MKREPRO} == "yes" :?:-D} \
55	    -N ${.CURDIR}/version "sbmips"
56
57SRCS+=	vers.c
58CLEANFILES+= vers.c
59.endif
60
61# 
62# Refer to CFE documentation for a description of these regions.
63# 
64
65REGION1_START=		0x20000000		# "Region 1 start"
66REGION1_SIZE!=		expr 256 \* 1024	# 256k
67
68LDSCRIPT=		${.CURDIR}/../common/boot.ldscript
69
70# our memory lauout:
71
72#	'unified' boot loaders (e.g. netboot) can consume all of region
73#	1 for their text+data, or text+data+bss.
74
75UNIFIED_LOAD_ADDRESS=	${REGION1_START}
76UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
77UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
78
79#UNIFIED_HEAP_START=	right after secondary bss
80UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
81
82#	two-stage boot loaders must share region 1.  The first stage
83#	loads into the lowest portion, and uses the higest portion
84#	for its heap.  The second stage loads in between the primary image
85#	and the heap, and can reuse the memory after it (i.e. the primary's
86#	heap) for its own heap.
87
88PRIMARY_LOAD_ADDRESS=	${REGION1_START}
89#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
90PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
91
92# XXX SECONDARY_LOAD_ADDRESS should be
93# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
94# XXX way to do that calculation and 'ld' wants a single number.
95SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
96SECONDARY_MAX_LOAD!=	expr 112 \* 1024
97SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
98
99PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
100PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
101
102#SECONDARY_HEAP_START=	right after secondary bss
103SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
104
105#	standalone programs are like kernels.  They load at
106#	0xfffffc0000300000 and can use the rest of memory.
107
108STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
109
110
111FILE_FORMAT_CPPFLAGS=	-DBOOT_ELF
112
113UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
114			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
115			${FILE_FORMAT_CPPFLAGS}
116
117PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
118			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
119			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
120			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
121			-DHEAP_START="${PRIMARY_HEAP_START}"
122
123SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
124			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
125			${FILE_FORMAT_CPPFLAGS}
126
127STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
128
129.include <bsd.prog.mk>
130
131### find out what to use for libkern
132KERN_AS=	library
133.include "${S}/lib/libkern/Makefile.inc"
134LIBKERN=	${KERNLIB}
135
136### find out what to use for libz
137Z_AS=		library
138.include "${S}/lib/libz/Makefile.inc"
139LIBZ=		${ZLIB}
140
141### find out what to use for libsa
142SA_AS=		library
143SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
144.include "${S}/lib/libsa/Makefile.inc"
145LIBSA=		${SALIB}
146
147/usr/lib/crt0.o:
148	true
149
150/usr/lib/crtbegin.o:
151	true
152
153/usr/lib/crtend.o:
154	true
155
156cleandir: .WAIT cleandirlocal
157cleandirlocal:
158	-rm -rf lib
159