150477Speter# $FreeBSD$ 240269Srnordier 3211571Srpaulo.include <bsd.own.mk> 4211571Srpaulo 5125537SruFILES= boot boot1 boot2 640326Srnordier 780751SjhbNM?= nm 880751Sjhb 948919Srnordier# A value of 0x80 enables LBA support. 10134382SyarBOOT_BOOT1_FLAGS?= 0x80 1148919Srnordier 1242480SrnordierBOOT_COMCONSOLE_PORT?= 0x3f8 1342480SrnordierBOOT_COMCONSOLE_SPEED?= 9600 1440541SrnordierB2SIOFMT?= 0x3 1540541Srnordier 16104673SgreenREL1= 0x700 1740269SrnordierORG1= 0x7c00 18104683SjhbORG2= 0x2000 1940269Srnordier 20125537Sru# Decide level of UFS support. 21108000SimpBOOT2_UFS?= UFS1_AND_UFS2 22125537Sru#BOOT2_UFS?= UFS2_ONLY 23125537Sru#BOOT2_UFS?= UFS1_ONLY 24104635Sphk 25125566SruCFLAGS= -Os \ 26132870Skan -fomit-frame-pointer \ 2796327Sjhb -mrtd \ 28220337Srdivacky -mregparm=3 \ 29221177Sjhb -DUSE_XREAD \ 30107879Sphk -D${BOOT2_UFS} \ 31134382Syar -DFLAGS=${BOOT_BOOT1_FLAGS} \ 32125932Sru -DSIOPRT=${BOOT_COMCONSOLE_PORT} \ 33125932Sru -DSIOFMT=${B2SIOFMT} \ 34125932Sru -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \ 3597860Sphk -I${.CURDIR}/../../common \ 3696306Sobrien -I${.CURDIR}/../btx/lib -I. \ 3740269Srnordier -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \ 3840269Srnordier -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ 39169732Skan -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \ 40260497Sdim -Winline \ 41232263Sdim ${CLANG_OPT_SMALL} 4240269Srnordier 43260096SdimCFLAGS.gcc+= -fno-guess-branch-probability \ 44260096Sdim -fno-unit-at-a-time \ 45260096Sdim -mno-align-long-strings \ 46260497Sdim --param max-inline-insns-single=100 47260096Sdim 48260291SdimLD_FLAGS=-static -N --gc-sections 4940269Srnordier 50125537Sru# Pick up ../Makefile.inc early. 51125537Sru.include <bsd.init.mk> 5240269Srnordier 53125537SruCLEANFILES= boot 54125537Sru 55109886Sphkboot: boot1 boot2 56109886Sphk cat boot1 boot2 > boot 57109886Sphk 58125537SruCLEANFILES+= boot1 boot1.out boot1.o 59125537Sru 6040269Srnordierboot1: boot1.out 6140308Srnordier objcopy -S -O binary boot1.out ${.TARGET} 6240269Srnordier 6340269Srnordierboot1.out: boot1.o 64260291Sdim ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o 6540269Srnordier 66125537SruCLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \ 67125537Sru boot2.s boot2.s.tmp boot2.h sio.o 6896424Speter 69125537Sruboot2: boot2.ld 70125537Sru @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \ 71125537Sru echo "$$x bytes available"; test $$x -ge 0 72125537Sru dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 7380751Sjhb 74125537Sruboot2.ld: boot2.ldr boot2.bin ${BTXKERN} 75125537Sru btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \ 76125537Sru -o ${.TARGET} -P 1 boot2.bin 7740269Srnordier 7840269Srnordierboot2.ldr: 79189500Smarcel dd if=/dev/zero of=${.TARGET} bs=512 count=1 8040269Srnordier 8140269Srnordierboot2.bin: boot2.out 8240308Srnordier objcopy -S -O binary boot2.out ${.TARGET} 8340269Srnordier 84125537Sruboot2.out: ${BTXCRT} boot2.o sio.o 85260291Sdim ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} 8640269Srnordier 87125537Sruboot2.o: boot2.s 88224131Sdim ${CC} ${ACFLAGS} -c boot2.s 8980751Sjhb 90125564SruSRCS= boot2.c boot2.h 91125564Sru 92125537Sruboot2.s: boot2.c boot2.h ${.CURDIR}/../../common/ufsread.c 93125537Sru ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.CURDIR}/boot2.c 94125537Sru sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s 95125537Sru rm -f boot2.s.tmp 9640404Srnordier 97125537Sruboot2.h: boot1.out 98125537Sru ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \ 99125537Sru { x = $$1 - ORG1; \ 100125537Sru printf("#define XREADORG %#x\n", REL1 + x) }' \ 101125537Sru ORG1=`printf "%d" ${ORG1}` \ 102125537Sru REL1=`printf "%d" ${REL1}` > ${.TARGET} 10340326Srnordier 104211677Simp.if ${MACHINE_CPUARCH} == "amd64" 105125581Srubeforedepend boot2.s: machine 106125556SruCLEANFILES+= machine 107116864Spetermachine: 108116864Speter ln -sf ${.CURDIR}/../../../i386/include machine 109116864Speter.endif 110116864Speter 111125537Sru.include <bsd.prog.mk> 112232263Sdim 113232263Sdim# XXX: clang integrated-as doesn't grok .codeNN directives yet 114232263SdimCFLAGS.boot1.S= ${CLANG_NO_IAS} 115232263SdimCFLAGS+= ${CFLAGS.${.IMPSRC:T}} 116