5 # XXX: clang can compile the boot code just fine, but boot2 gets too big
6 CC:=${CC:C/^(.*\/)?clang$/gcc/1}
8 FILES= boot boot1 boot2
12 BOOT_COMCONSOLE_PORT?= 0x238
13 BOOT_COMCONSOLE_SPEED?= 9600
20 # Decide level of UFS support.
21 BOOT2_UFS?= UFS1_AND_UFS2
22 #BOOT2_UFS?= UFS2_ONLY
23 #BOOT2_UFS?= UFS1_ONLY
26 -fno-guess-branch-probability \
27 -fomit-frame-pointer \
29 -mno-align-long-strings \
33 -DFLAGS=${BOOT_BOOT1_FLAGS} \
34 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
35 -DSIOFMT=${B2SIOFMT} \
36 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
37 -I${.CURDIR}/../../.. \
38 -I${.CURDIR}/../../i386/boot2 \
39 -I${.CURDIR}/../../common \
40 -I${.CURDIR}/../btx/lib -I. \
41 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
42 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
43 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
44 -Winline --param max-inline-insns-single=100
46 # Set machine type to PC98_SYSTEM_PARAMETER
47 #CFLAGS+= -DSET_MACHINE_TYPE
49 # Initialize the bi_bios_geom using the BIOS geometry
50 #CFLAGS+= -DGET_BIOSGEOM
52 LDFLAGS=-static -N --gc-sections
54 # Pick up ../Makefile.inc early.
55 .include <bsd.init.mk>
57 .PATH: ${.CURDIR}/../../i386/boot2
62 cat boot1 boot2 > boot
64 CLEANFILES+= boot1 boot1.out boot1.o
67 objcopy -S -O binary boot1.out ${.TARGET}
70 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
72 CLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
73 boot2.s boot2.s.tmp boot2.h sio.o
76 @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
77 echo "$$x bytes available"; test $$x -ge 0
78 dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
80 boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
81 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
82 -o ${.TARGET} -P 1 boot2.bin
85 dd if=/dev/zero of=${.TARGET} bs=276 count=1
88 objcopy -S -O binary boot2.out ${.TARGET}
90 boot2.out: ${BTXCRT} boot2.o sio.o
91 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
97 boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
98 ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
99 sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
103 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \
105 printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \
106 ORG1=`printf "%d" ${ORG1}` \
107 REL1=`printf "%d" ${REL1}` > ${.TARGET}
109 .include <bsd.prog.mk>