5 # XXX: clang can compile the boot code just fine, but boot2 gets too big
9 FILES= boot boot1 boot2
13 BOOT_COMCONSOLE_PORT?= 0x238
14 BOOT_COMCONSOLE_SPEED?= 9600
21 # Decide level of UFS support.
22 BOOT2_UFS?= UFS1_AND_UFS2
23 #BOOT2_UFS?= UFS2_ONLY
24 #BOOT2_UFS?= UFS1_ONLY
27 -fno-guess-branch-probability \
28 -fomit-frame-pointer \
30 -mno-align-long-strings \
34 -DFLAGS=${BOOT_BOOT1_FLAGS} \
35 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
36 -DSIOFMT=${B2SIOFMT} \
37 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
38 -I${.CURDIR}/../../.. \
39 -I${.CURDIR}/../../i386/boot2 \
40 -I${.CURDIR}/../../common \
41 -I${.CURDIR}/../btx/lib -I. \
42 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
43 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
44 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
47 CFLAGS.gcc+= --param max-inline-insns-single=100
49 # Set machine type to PC98_SYSTEM_PARAMETER
50 #CFLAGS+= -DSET_MACHINE_TYPE
52 # Initialize the bi_bios_geom using the BIOS geometry
53 #CFLAGS+= -DGET_BIOSGEOM
55 LD_FLAGS=-static -N --gc-sections
57 # Pick up ../Makefile.inc early.
58 .include <bsd.init.mk>
60 .PATH: ${.CURDIR}/../../i386/boot2
65 cat boot1 boot2 > boot
67 CLEANFILES+= boot1 boot1.out boot1.o
70 objcopy -S -O binary boot1.out ${.TARGET}
73 ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
75 CLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
76 boot2.s boot2.s.tmp boot2.h sio.o
79 @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
80 echo "$$x bytes available"; test $$x -ge 0
81 dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
83 boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
84 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
85 -o ${.TARGET} -P 1 boot2.bin
88 dd if=/dev/zero of=${.TARGET} bs=276 count=1
91 objcopy -S -O binary boot2.out ${.TARGET}
93 boot2.out: ${BTXCRT} boot2.o sio.o
94 ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
100 boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
101 ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
102 sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
106 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \
108 printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \
109 ORG1=`printf "%d" ${ORG1}` \
110 REL1=`printf "%d" ${REL1}` > ${.TARGET}
112 .include <bsd.prog.mk>