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      1 #	$NetBSD: Makefile.buildboot,v 1.32 2016/10/01 13:57:44 christos Exp $
      2 #
      3 # This file is for the sparc `boot' and `bootxx' only; it does not
      4 # currently play well on a 64-bit system.
      5 
      6 NOSSP=		# defined
      7 NOPIE=		# defined
      8 NOMAN=		# defined
      9 
     10 S=	${.CURDIR}/../../../..
     11 
     12 .PATH: ${.CURDIR}/../common ${.CURDIR}/../../sparc
     13 
     14 COMMONSOURCE=	srt0.S promdev.c dvma.c promlib.c isfloppy.c
     15 
     16 SRCS=		${COMMONSOURCE} ${PROGSOURCE}
     17 BINMODE=	444
     18 
     19 .include <bsd.own.mk>
     20 
     21 #
     22 # The relocation address for `boot' must leave enough free memory below
     23 # it to load a kernel at address 0x4000. On the other hand, on some
     24 # machines, the PROM uses memory in the upper portion of the first 4MB
     25 # segment, depending on the actual memory bank configuration probably.
     26 # Our boot program must stear clear of that as well.
     27 #
     28 # Relocating `boot' at 0x388000 seems to provide a working compromise
     29 # on the machines tested so far.
     30 #
     31 RELOC_DEFAULT?=	388000
     32 RELOCS=		$(RELOC_DEFAULT)
     33 #RELOCS+=	200000 400000 700000		# additional link addresses
     34 
     35 # `bootxx' is linked at a different address to circumvent i-cache
     36 # flushing issues on Hypersparcs
     37 RELOC_BOOTXX=	300000
     38 
     39 CPPFLAGS+=	-D_STANDALONE -DSUN4 -DSUN4C -DSUN4M -DSUN4D -DHEAP_VARIABLE
     40 
     41 CPPFLAGS+=	-I. -I${.CURDIR}/../../.. -I${.CURDIR}/../../../..
     42 CPPFLAGS+=	-I${.CURDIR}/../../../../../common/include
     43 CFLAGS=		${${ACTIVE_CC} == "clang":? -Oz -fomit-frame-pointer : -Os } -fno-unwind-tables
     44 AFLAGS+=	${${ACTIVE_CC} == "clang":? -Oz :}
     45 CFLAGS+=	-Wall -Wstrict-prototypes -Wmissing-prototypes -ffreestanding
     46 
     47 ### find out what to use for libkern
     48 KERN_AS=	library
     49 .include "${S}/lib/libkern/Makefile.inc"
     50 LIBKERN=	${KERNLIB}
     51 
     52 .ifdef INCLUDE_LIBZ
     53 ### find out what to use for libz
     54 Z_AS=		library
     55 .include "${S}/lib/libz/Makefile.inc"
     56 LIBZ=		${ZLIB}
     57 .endif
     58 
     59 ### find out what to use for libsa
     60 SA_AS=		library
     61 SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
     62 .include "${S}/lib/libsa/Makefile.inc"
     63 LIBSA=		${SALIB}
     64 
     65 .include <bsd.klinks.mk>
     66 
     67 cleandir distclean: .WAIT cleanlibdir
     68 
     69 cleanlibdir:
     70 	-rm -rf lib
     71