Makefile.bootprogs revision 1.30 
1# $NetBSD: Makefile.bootprogs,v 1.30 2009/04/20 13:15:12 tsutsui Exp $
2
3.include <bsd.sys.mk>		# for HOST_SH
4
5S=	${.CURDIR}/../../../..
6
7.PATH:	${.CURDIR}/../common
8
9BINMODE= 444
10
11STRIP?=	strip
12
13# XXX SHOULD NOT NEED TO DEFINE THESE!
14LIBCRT0=
15LIBC=
16LIBCRTBEGIN=
17LIBCRTEND=
18
19CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
20
21realall: ${PROG}
22
23AFLAGS+=	-DASSEMBLER
24# -I${.CURDIR}/../.. done by Makefile.inc
25CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
26CFLAGS=		-ffreestanding -mno-fp-regs -g
27
28NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
29CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
30
31CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
32CFLAGS+=	-Werror ${CWARNFLAGS}
33
34# if there is a 'version' file, add rule for vers.c and add it to SRCS
35# and CLEANFILES
36.if exists(version)
37.PHONY: vers.c
38vers.c: version
39	${HOST_SH} ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "alpha"
40
41SRCS+=	vers.c
42CLEANFILES+= vers.c
43.endif
44
45# For descriptions of regions available to bootstrap programs, see
46# section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
47# the Alpha AXP Architecture Reference Manual.
48
49REGION1_START=		0x20000000		# "Region 1 start"
50REGION1_SIZE!=		expr 256 \* 1024	# 256k
51
52# our memory lauout:
53
54#	'unified' boot loaders (e.g. netboot) can consume all of region
55#	1 for their text+data, or text+data+bss.
56
57UNIFIED_LOAD_ADDRESS=	${REGION1_START}
58UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
59UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
60
61#UNIFIED_HEAP_START=	right after secondary bss
62UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
63
64#	two-stage boot loaders must share region 1.  The first stage
65#	loads into the lowest portion, and uses the higest portion
66#	for its heap.  The second stage loads in between the primary image
67#	and the heap, and can reuse the memory after it (i.e. the primary's
68#	heap) for its own heap.
69
70PRIMARY_LOAD_ADDRESS=	${REGION1_START}
71#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
72PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
73
74# XXX SECONDARY_LOAD_ADDRESS should be
75# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
76# XXX way to do that calculation and 'ld' wants a single number.
77SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
78SECONDARY_MAX_LOAD!=	expr 112 \* 1024
79SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
80
81PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
82PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
83
84#SECONDARY_HEAP_START=	right after secondary bss
85SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
86
87#	standalone programs are like kernels.  They load at
88#	0xfffffc0000300000 and can use the rest of memory.
89
90STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
91
92
93FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
94
95UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
96			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
97			${FILE_FORMAT_CPPFLAGS}
98
99PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
100			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
101			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
102			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
103			-DHEAP_START="${PRIMARY_HEAP_START}"
104
105SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
106			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
107			${FILE_FORMAT_CPPFLAGS}
108
109STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
110
111.include <bsd.prog.mk>
112.include <bsd.klinks.mk>
113
114STRIPFLAG=	# override values in ${MAKECONF}
115COPTS+=-Os	# override -O supplied by user
116
117### find out what to use for libkern
118KERN_AS=	library
119.include "${S}/lib/libkern/Makefile.inc"
120LIBKERN=	${KERNLIB}
121
122### find out what to use for libz
123Z_AS=		library
124.include "${S}/lib/libz/Makefile.inc"
125LIBZ=		${ZLIB}
126
127### find out what to use for libsa
128SA_AS=		library
129SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes
130.include "${S}/lib/libsa/Makefile.inc"
131LIBSA=		${SALIB}
132