Makefile.bootprogs revision 1.28 
1# $NetBSD: Makefile.bootprogs,v 1.28 2009/01/12 07:10:13 tsutsui Exp $
2
3.include <bsd.sys.mk>		# for HOST_SH
4
5S=	${.CURDIR}/../../../..
6
7.PATH:	${.CURDIR}/../common
8
9STRIPFLAG=
10BINMODE= 444
11
12STRIP?=	strip
13
14# XXX SHOULD NOT NEED TO DEFINE THESE!
15LIBCRT0=
16LIBC=
17LIBCRTBEGIN=
18LIBCRTEND=
19
20CHECKSIZE_CMD=	SIZE=${SIZE} ${HOST_SH} ${.CURDIR}/../common/checksize.sh
21
22.PHONY: machine-links
23beforedepend: machine-links
24# ${MACHINE} then ${MACHINE_ARCH}
25machine-links:
26	-rm -f machine && \
27	    ln -s $S/arch/alpha/include machine
28	-rm -f alpha && \
29	    ln -s $S/arch/alpha/include alpha
30CLEANFILES+=machine alpha
31
32realall: machine-links ${PROG}
33
34AFLAGS+=	-DASSEMBLER
35# -I${.CURDIR}/../.. done by Makefile.inc
36CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
37CFLAGS=		-ffreestanding -mno-fp-regs -g
38
39NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
40CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
41
42CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
43CFLAGS+=	-Werror ${CWARNFLAGS}
44
45# if there is a 'version' file, add rule for vers.c and add it to SRCS
46# and CLEANFILES
47.if exists(version)
48.PHONY: vers.c
49vers.c: version
50	${HOST_SH} ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "alpha"
51
52SRCS+=	vers.c
53CLEANFILES+= vers.c
54.endif
55
56# For descriptions of regions available to bootstrap programs, see
57# section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
58# the Alpha AXP Architecture Reference Manual.
59
60REGION1_START=		0x20000000		# "Region 1 start"
61REGION1_SIZE!=		expr 256 \* 1024	# 256k
62
63# our memory lauout:
64
65#	'unified' boot loaders (e.g. netboot) can consume all of region
66#	1 for their text+data, or text+data+bss.
67
68UNIFIED_LOAD_ADDRESS=	${REGION1_START}
69UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
70UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
71
72#UNIFIED_HEAP_START=	right after secondary bss
73UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
74
75#	two-stage boot loaders must share region 1.  The first stage
76#	loads into the lowest portion, and uses the higest portion
77#	for its heap.  The second stage loads in between the primary image
78#	and the heap, and can reuse the memory after it (i.e. the primary's
79#	heap) for its own heap.
80
81PRIMARY_LOAD_ADDRESS=	${REGION1_START}
82#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
83PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
84
85# XXX SECONDARY_LOAD_ADDRESS should be
86# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
87# XXX way to do that calculation and 'ld' wants a single number.
88SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
89SECONDARY_MAX_LOAD!=	expr 112 \* 1024
90SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
91
92PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
93PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
94
95#SECONDARY_HEAP_START=	right after secondary bss
96SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
97
98#	standalone programs are like kernels.  They load at
99#	0xfffffc0000300000 and can use the rest of memory.
100
101STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
102
103
104FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
105
106UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
107			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
108			${FILE_FORMAT_CPPFLAGS}
109
110PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
111			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
112			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
113			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
114			-DHEAP_START="${PRIMARY_HEAP_START}"
115
116SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
117			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
118			${FILE_FORMAT_CPPFLAGS}
119
120STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
121
122.include <bsd.prog.mk>
123
124COPTS+=-Os	# override -O supplied by user
125
126### find out what to use for libkern
127KERN_AS=	library
128.include "${S}/lib/libkern/Makefile.inc"
129LIBKERN=	${KERNLIB}
130
131### find out what to use for libz
132Z_AS=		library
133.include "${S}/lib/libz/Makefile.inc"
134LIBZ=		${ZLIB}
135
136### find out what to use for libsa
137SA_AS=		library
138SAMISCMAKEFLAGS+=SA_USE_LOADFILE=yes
139.include "${S}/lib/libsa/Makefile.inc"
140LIBSA=		${SALIB}
141