5 FILES= boot boot1 boot2
9 # A value of 0x80 enables LBA support.
10 BOOT_BOOT1_FLAGS?= 0x80
12 BOOT_COMCONSOLE_PORT?= 0x3f8
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 \
34 -DFLAGS=${BOOT_BOOT1_FLAGS} \
35 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \
36 -DSIOFMT=${B2SIOFMT} \
37 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
38 -I${.CURDIR}/../../common \
39 -I${.CURDIR}/../btx/lib -I. \
40 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
41 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
42 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
43 -Winline --param max-inline-insns-single=100
45 .if ${CC:T:Mclang} == "clang"
46 CFLAGS+= -mllvm -stack-alignment=8 -mllvm -inline-threshold=3 \
47 -mllvm -enable-load-pre=false
48 # XXX: clang integrated-as doesn't grok .codeNN directives yet
49 CFLAGS+= ${.IMPSRC:T:Mboot1.S:C/^.+$/-no-integrated-as/}
52 LDFLAGS=-static -N --gc-sections
54 # Pick up ../Makefile.inc early.
55 .include <bsd.init.mk>
60 cat boot1 boot2 > boot
62 CLEANFILES+= boot1 boot1.out boot1.o
65 objcopy -S -O binary boot1.out ${.TARGET}
68 ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
70 CLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
71 boot2.s boot2.s.tmp boot2.h sio.o
74 @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
75 echo "$$x bytes available"; test $$x -ge 0
76 dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync
78 boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
79 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
80 -o ${.TARGET} -P 1 boot2.bin
83 dd if=/dev/zero of=${.TARGET} bs=512 count=1
86 objcopy -S -O binary boot2.out ${.TARGET}
88 boot2.out: ${BTXCRT} boot2.o sio.o
89 ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
92 .if ${CC:T:Mclang} == "clang"
93 ${CC} ${ACFLAGS} -c boot2.s
98 boot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c
99 ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c
100 sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
104 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
106 printf("#define XREADORG %#x\n", REL1 + x) }' \
107 ORG1=`printf "%d" ${ORG1}` \
108 REL1=`printf "%d" ${REL1}` > ${.TARGET}
110 .if ${MACHINE_CPUARCH} == "amd64"
111 beforedepend boot2.s: machine
114 ln -sf ${.CURDIR}/../../../i386/include machine
117 .include <bsd.prog.mk>