1# $FreeBSD: stable/10/sys/boot/pc98/boot2/Makefile 319025 2017-05-28 01:14:59Z ngie $ 2 3.include <bsd.own.mk> 4 5FILES= boot boot1 boot2 6 7NM?= nm 8 9BOOT_COMCONSOLE_PORT?= 0x238 10BOOT_COMCONSOLE_SPEED?= 9600 11B2SIOFMT?= 0x3 12 13REL1= 0x700 14ORG1= 0 15ORG2= 0x2000 16 17# Decide level of UFS support. 18BOOT2_UFS?= UFS1_AND_UFS2 19#BOOT2_UFS?= UFS2_ONLY 20#BOOT2_UFS?= UFS1_ONLY 21 22CFLAGS= -Os \ 23 -fomit-frame-pointer \ 24 -mrtd \ 25 -mregparm=3 \ 26 -D${BOOT2_UFS} \ 27 -DFLAGS=${BOOT_BOOT1_FLAGS} \ 28 -DSIOPRT=${BOOT_COMCONSOLE_PORT} \ 29 -DSIOFMT=${B2SIOFMT} \ 30 -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \ 31 -I${.CURDIR}/../../.. \ 32 -I${.CURDIR}/../../i386/boot2 \ 33 -I${.CURDIR}/../../common \ 34 -I${.CURDIR}/../btx/lib -I. \ 35 -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \ 36 -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ 37 -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \ 38 -Winline \ 39 ${CLANG_OPT_SMALL} 40 41CFLAGS.gcc+= -fno-guess-branch-probability \ 42 -fno-unit-at-a-time \ 43 --param max-inline-insns-single=100 44.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} <= 40201 45CFLAGS.gcc+= -mno-align-long-strings 46.endif 47 48# Set machine type to PC98_SYSTEM_PARAMETER 49#CFLAGS+= -DSET_MACHINE_TYPE 50 51# Initialize the bi_bios_geom using the BIOS geometry 52#CFLAGS+= -DGET_BIOSGEOM 53 54LD_FLAGS=-static -N --gc-sections 55 56# Pick up ../Makefile.inc early. 57.include <bsd.init.mk> 58 59.PATH: ${.CURDIR}/../../i386/boot2 60 61CLEANFILES= boot 62 63boot: boot1 boot2 64 cat boot1 boot2 > boot 65 66CLEANFILES+= boot1 boot1.out boot1.o 67 68boot1: boot1.out 69 ${OBJCOPY} -S -O binary boot1.out ${.TARGET} 70 71boot1.out: boot1.o 72 ${LD} ${LD_FLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o 73 74CLEANFILES+= boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \ 75 boot2.s boot2.s.tmp boot2.h sio.o 76 77boot2: boot2.ld 78 @set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \ 79 echo "$$x bytes available"; test $$x -ge 0 80 ${DD} if=boot2.ld of=${.TARGET} obs=7680 conv=osync 81 82boot2.ld: boot2.ldr boot2.bin ${BTXKERN} 83 btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \ 84 -o ${.TARGET} -P 1 boot2.bin 85 86boot2.ldr: 87 ${DD} if=/dev/zero of=${.TARGET} bs=276 count=1 88 89boot2.bin: boot2.out 90 ${OBJCOPY} -S -O binary boot2.out ${.TARGET} 91 92boot2.out: ${BTXCRT} boot2.o sio.o 93 ${LD} ${LD_FLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC} 94 95boot2.o: boot2.s 96 ${CC} ${ACFLAGS} -c boot2.s 97 98SRCS= boot2.c boot2.h 99 100boot2.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 103 rm -f boot2.s.tmp 104 105boot2.h: boot1.out 106 ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T (read|putc)/ \ 107 { x = $$1 - ORG1; \ 108 printf("#define %sORG %#x\n", toupper($$3), REL1 + x) }' \ 109 ORG1=`printf "%d" ${ORG1}` \ 110 REL1=`printf "%d" ${REL1}` > ${.TARGET} 111 112.include <bsd.prog.mk> 113 114# XXX: clang integrated-as doesn't grok .codeNN directives yet 115CFLAGS.boot1.S= ${CLANG_NO_IAS} 116CFLAGS+= ${CFLAGS.${.IMPSRC:T}} 117