Makefile.bootprogs revision 1.29
1# $NetBSD: Makefile.bootprogs,v 1.29 2009/04/13 12:18:56 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
22realall: ${PROG}
23
24AFLAGS+=	-DASSEMBLER
25# -I${.CURDIR}/../.. done by Makefile.inc
26CPPFLAGS+=	-nostdinc -I${.OBJDIR} -D_STANDALONE -I${S}
27CFLAGS=		-ffreestanding -mno-fp-regs -g
28
29NETBSD_VERS!=${HOST_SH} ${.CURDIR}/../../../../conf/osrelease.sh
30CPPFLAGS+= -DNETBSD_VERS='"${NETBSD_VERS}"'
31
32CWARNFLAGS+=	-Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith
33CFLAGS+=	-Werror ${CWARNFLAGS}
34
35# if there is a 'version' file, add rule for vers.c and add it to SRCS
36# and CLEANFILES
37.if exists(version)
38.PHONY: vers.c
39vers.c: version
40	${HOST_SH} ${S}/conf/newvers_stand.sh -N ${.CURDIR}/version "alpha"
41
42SRCS+=	vers.c
43CLEANFILES+= vers.c
44.endif
45
46# For descriptions of regions available to bootstrap programs, see
47# section 3.4.1.2 (pp. III 3-14 - III 3-18) of the second edition of
48# the Alpha AXP Architecture Reference Manual.
49
50REGION1_START=		0x20000000		# "Region 1 start"
51REGION1_SIZE!=		expr 256 \* 1024	# 256k
52
53# our memory lauout:
54
55#	'unified' boot loaders (e.g. netboot) can consume all of region
56#	1 for their text+data, or text+data+bss.
57
58UNIFIED_LOAD_ADDRESS=	${REGION1_START}
59UNIFIED_MAX_LOAD!=	expr ${REGION1_SIZE}
60UNIFIED_MAX_TOTAL!=	expr ${REGION1_SIZE}
61
62#UNIFIED_HEAP_START=	right after secondary bss
63UNIFIED_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
64
65#	two-stage boot loaders must share region 1.  The first stage
66#	loads into the lowest portion, and uses the higest portion
67#	for its heap.  The second stage loads in between the primary image
68#	and the heap, and can reuse the memory after it (i.e. the primary's
69#	heap) for its own heap.
70
71PRIMARY_LOAD_ADDRESS=	${REGION1_START}
72#PRIMARY_MAX_LOAD=	booter dependent, no more than ${PRIMARY_MAX_TOTAL}
73PRIMARY_MAX_TOTAL!=	expr 16 \* 1024
74
75# XXX SECONDARY_LOAD_ADDRESS should be
76# XXX (${PRIMARY_LOAD_ADDRESS} + ${PRIMARY_MAX_TOTAL}) bt there's no easy
77# XXX way to do that calculation and 'ld' wants a single number.
78SECONDARY_LOAD_ADDRESS=	0x20004000	# XXX
79SECONDARY_MAX_LOAD!=	expr 112 \* 1024
80SECONDARY_MAX_TOTAL!=	expr ${REGION1_SIZE} - ${PRIMARY_MAX_TOTAL}
81
82PRIMARY_HEAP_START=	(${SECONDARY_LOAD_ADDRESS} + ${SECONDARY_MAX_LOAD})
83PRIMARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
84
85#SECONDARY_HEAP_START=	right after secondary bss
86SECONDARY_HEAP_LIMIT=	(${REGION1_START} + ${REGION1_SIZE})
87
88#	standalone programs are like kernels.  They load at
89#	0xfffffc0000300000 and can use the rest of memory.
90
91STANDPROG_LOAD_ADDRESS=	0xfffffc0000300000
92
93
94FILE_FORMAT_CPPFLAGS=	-DBOOT_ECOFF -DBOOT_ELF64
95
96UNIFIED_CPPFLAGS=	-DUNIFIED_BOOTBLOCK \
97			-DHEAP_LIMIT="${UNIFIED_HEAP_LIMIT}" \
98			${FILE_FORMAT_CPPFLAGS}
99
100PRIMARY_CPPFLAGS=	-DPRIMARY_BOOTBLOCK \
101			-DSECONDARY_LOAD_ADDRESS="${SECONDARY_LOAD_ADDRESS}" \
102			-DSECONDARY_MAX_LOAD="${SECONDARY_MAX_LOAD}" \
103			-DHEAP_LIMIT="${PRIMARY_HEAP_LIMIT}" \
104			-DHEAP_START="${PRIMARY_HEAP_START}"
105
106SECONDARY_CPPFLAGS=	-DSECONDARY_BOOTBLOCK \
107			-DHEAP_LIMIT="${SECONDARY_HEAP_LIMIT}" \
108			${FILE_FORMAT_CPPFLAGS}
109
110STANDPROG_CPPFLAGS=	-DSTANDALONE_PROGRAM
111
112.include <bsd.prog.mk>
113.include <bsd.klinks.mk>
114
115COPTS+=-Os	# override -O supplied by user
116
117### find out what to use for libkern
118KERN_AS=	library
119.include "${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