diff options
Diffstat (limited to 'sys/boot/i386/zfsboot/Makefile')
-rw-r--r-- | sys/boot/i386/zfsboot/Makefile | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/boot/i386/zfsboot/Makefile b/sys/boot/i386/zfsboot/Makefile new file mode 100644 index 0000000..41f1672 --- /dev/null +++ b/sys/boot/i386/zfsboot/Makefile @@ -0,0 +1,108 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/../boot2 + +FILES= zfsboot + +NM?= nm + +# A value of 0x80 enables LBA support. +BOOT_BOOT1_FLAGS?= 0x80 + +BOOT_COMCONSOLE_PORT?= 0x3f8 +BOOT_COMCONSOLE_SPEED?= 9600 +B2SIOFMT?= 0x3 + +REL1= 0x700 +ORG1= 0x7c00 +ORG2= 0x2000 + +CFLAGS= -Os -g \ + -fno-guess-branch-probability \ + -fomit-frame-pointer \ + -fno-unit-at-a-time \ + -mno-align-long-strings \ + -mrtd \ + -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 \ + -DBOOT2 \ + -DFLAGS=${BOOT_BOOT1_FLAGS} \ + -DSIOPRT=${BOOT_COMCONSOLE_PORT} \ + -DSIOFMT=${B2SIOFMT} \ + -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \ + -I${.CURDIR}/../../zfs \ + -I${.CURDIR}/../../../cddl/boot/zfs \ + -I${.CURDIR}/../btx/lib -I. \ + -I${.CURDIR}/../boot2 \ + -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \ + -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ + -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \ + -Winline --param max-inline-insns-single=100 + +LDFLAGS=-static -N --gc-sections + +# Pick up ../Makefile.inc early. +.include <bsd.init.mk> + +CLEANFILES= zfsboot + +zfsboot: zfsboot1 zfsboot2 + cat zfsboot1 zfsboot2 > zfsboot + +CLEANFILES+= zfsboot1 zfsldr.out zfsldr.o + +zfsboot1: zfsldr.out + objcopy -S -O binary zfsldr.out ${.TARGET} + +zfsldr.out: zfsldr.o + ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} zfsldr.o + +CLEANFILES+= zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \ + zfsboot.o zfsboot.s zfsboot.s.tmp zfsboot.h sio.o + +# We currently allow 32768 bytes for zfsboot - in practice it could be +# any size up to 3.5Mb but keeping it fixed size simplifies zfsldr. +# +BOOT2SIZE= 32768 + +zfsboot2: zfsboot.ld + @set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \ + echo "$$x bytes available"; test $$x -ge 0 + dd if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync + +zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN} + btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \ + -o ${.TARGET} -P 1 zfsboot.bin + +zfsboot.ldr: + cp /dev/null ${.TARGET} + +zfsboot.bin: zfsboot.out + objcopy -S -O binary zfsboot.out ${.TARGET} + +zfsboot.out: ${BTXCRT} zfsboot.o sio.o + ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} + +zfsboot.o: zfsboot.s + +SRCS= zfsboot.c zfsboot.h + +zfsboot.s: zfsboot.c zfsboot.h ${.CURDIR}/../../zfs/zfsimpl.c + ${CC} ${CFLAGS} -S -o zfsboot.s.tmp ${.CURDIR}/zfsboot.c + sed -e '/align/d' -e '/nop/d' < zfsboot.s.tmp > zfsboot.s + rm -f zfsboot.s.tmp + +zfsboot.h: zfsldr.out + ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \ + { x = $$1 - ORG1; \ + printf("#define XREADORG %#x\n", REL1 + x) }' \ + ORG1=`printf "%d" ${ORG1}` \ + REL1=`printf "%d" ${REL1}` > ${.TARGET} + +.if ${MACHINE_ARCH} == "amd64" +beforedepend zfsboot.s: machine +CLEANFILES+= machine +machine: + ln -sf ${.CURDIR}/../../../i386/include machine +.endif + +.include <bsd.prog.mk> |