| 1 | # $FreeBSD: src/sys/boot/i386/boot2/Makefile,v 1.47 2003/06/26 03:51:57 peter Exp $ |
| 2 | # $DragonFly: src/sys/boot/pc32/boot2/Makefile,v 1.18 2008/09/13 11:45:45 corecode Exp $ |
| 3 | |
| 4 | PROG= boot2 |
| 5 | NOMAN= |
| 6 | STRIP= |
| 7 | BINDIR?= /boot |
| 8 | BINMODE= 444 |
| 9 | CLEANFILES= boot boot1 boot1.out boot1.o \ |
| 10 | boot2.ldr boot2.bin boot2.ld boot2.out boot2.o boot2.h \ |
| 11 | boot2.s sio.o |
| 12 | |
| 13 | NM?= nm |
| 14 | NXCFLAGS= |
| 15 | NXLDFLAGS= |
| 16 | |
| 17 | .PATH: ${.CURDIR}/.. |
| 18 | |
| 19 | # A value of 0x80 enables LBA support. |
| 20 | B1FLAGS= 0x80 |
| 21 | |
| 22 | BOOT_COMCONSOLE_PORT?= 0x3f8 |
| 23 | BOOT_COMCONSOLE_SPEED?= 9600 |
| 24 | B2SIOFMT?= 0x3 |
| 25 | |
| 26 | .if exists(${.OBJDIR}/../btx) |
| 27 | BTX= ${.OBJDIR}/../btx |
| 28 | .else |
| 29 | BTX= ${.CURDIR}/../btx |
| 30 | .endif |
| 31 | |
| 32 | # These origins are taken from bootasm.h. |
| 33 | # |
| 34 | REL1 = `${.OBJDIR}/bootasmdef.nx BOOT1_ORIGIN` |
| 35 | REL1D = `${.OBJDIR}/bootasmdef.nx -d BOOT1_ORIGIN` |
| 36 | ORG1 = `${.OBJDIR}/bootasmdef.nx MEM_BIOS_LADDR` |
| 37 | ORG1D = `${.OBJDIR}/bootasmdef.nx -d MEM_BIOS_LADDR` |
| 38 | |
| 39 | # WARNING! The ORG2 calculation is the origin of boot2.bin relative to |
| 40 | # the start of the BTX *USER* address space, not the start of physical |
| 41 | # memory. |
| 42 | # |
| 43 | ORG2= `${.OBJDIR}/bootasmdef.nx BOOT2_VORIGIN` |
| 44 | |
| 45 | # Decide Level of UFS support. UFS1_AND_UFS2 doesn't fit. |
| 46 | |
| 47 | # BOOT2_UFS?= UFS2_ONLY |
| 48 | #BOOT2_UFS?= UFS1_AND_UFS2 |
| 49 | BOOT2_UFS?= UFS1_ONLY |
| 50 | #BOOT2_UFS?= HAMMERFS |
| 51 | |
| 52 | # gcc3.x |
| 53 | # -fno-guess-branch-probability |
| 54 | # -mno-align-long-strings |
| 55 | CFLAGS= -elf -ffreestanding -Os -fno-builtin \ |
| 56 | -fomit-frame-pointer \ |
| 57 | -std=c99 \ |
| 58 | -DBOOT2 \ |
| 59 | -D${BOOT2_UFS} \ |
| 60 | -I${.CURDIR}/../../common \ |
| 61 | -I${.CURDIR}/../../../../lib/libstand \ |
| 62 | -I${.CURDIR}/../btx/lib -I. \ |
| 63 | -Wall -Waggregate-return -Wbad-function-cast -Wcast-align \ |
| 64 | -Wmissing-declarations -Wmissing-prototypes -Wnested-externs \ |
| 65 | -Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \ |
| 66 | -D__BOOT2_HACK |
| 67 | |
| 68 | # Unfortunately, unit-at-a-time creates issues as yet |
| 69 | # not tracked down, in boot2, so we have to turn it off. Note that |
| 70 | # the problem has been narrowed down to the 'boot2' code. The /boot/loader |
| 71 | # doesn't seem to have a problem. |
| 72 | # |
| 73 | CFLAGS+= -fno-unit-at-a-time |
| 74 | |
| 75 | # Disable propolice on gcc that supports it |
| 76 | .if ${CCVER} == "gcc34" |
| 77 | CFLAGS+= -fno-stack-protector |
| 78 | .endif |
| 79 | |
| 80 | NSECT?= 16 |
| 81 | CFLAGS+= -DNSECT=${NSECT} |
| 82 | |
| 83 | LDFLAGS=-nostdlib -static -N --gc-sections |
| 84 | |
| 85 | all: boot1 boot2 boot |
| 86 | |
| 87 | boot: boot1 boot2 |
| 88 | cat boot1 boot2 > boot |
| 89 | |
| 90 | boot1: boot1.out |
| 91 | objcopy -S -O binary boot1.out ${.TARGET} |
| 92 | |
| 93 | boot1.out: boot1.o bootasmdef.nx |
| 94 | ${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o |
| 95 | |
| 96 | boot1.o: boot1.S |
| 97 | ${CC} ${CFLAGS} -DFLAGS=${B1FLAGS} \ |
| 98 | ${.IMPSRC} -o ${.TARGET} -c |
| 99 | |
| 100 | boot2.o: boot2.c ${.CURDIR}/../../common/ufsread.c ${.CURDIR}/../../../../lib/libstand/hammerread.c |
| 101 | ${CC} ${CFLAGS} -S -o boot2.s.tmp ${.IMPSRC} |
| 102 | sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s |
| 103 | rm -f boot2.s.tmp |
| 104 | ${AS} ${AFLAGS} -o boot2.o boot2.s |
| 105 | |
| 106 | boot2.h: boot1.out bootasmdef.nx |
| 107 | @echo "NOTE: boot2 using xread from boot1 at ${REL1}" |
| 108 | ${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \ |
| 109 | { x = $$1 - ORG1; \ |
| 110 | printf("#define XREADORG %#x\n", REL1 + x) }' \ |
| 111 | ORG1=${ORG1D} REL1=${REL1D} > boot2.h |
| 112 | |
| 113 | boot2: boot2.ldr boot2.bin ${BTX}/btx/btx |
| 114 | btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \ |
| 115 | -o boot2.ld -P 1 boot2.bin |
| 116 | stat boot2.ld | awk '{ x = (${NSECT} - 1) * 512 - $$8; \ |
| 117 | print x " bytes available"; if (x < 0) exit 1 }' |
| 118 | dd if=boot2.ld of=${.TARGET} obs=$$(( (${NSECT} - 1) * 512)) conv=osync 2>/dev/null |
| 119 | |
| 120 | boot2.ldr: |
| 121 | dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null |
| 122 | |
| 123 | boot2.bin: boot2.out |
| 124 | objcopy -S -O binary boot2.out ${.TARGET} |
| 125 | |
| 126 | boot2.out: boot2.o sio.o |
| 127 | ${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \ |
| 128 | ${BTX}/lib/crt0.o ${.ALLSRC} |
| 129 | |
| 130 | boot2.o: boot2.h |
| 131 | |
| 132 | sio.o: sio.S |
| 133 | ${CC} -DSIOPRT=${BOOT_COMCONSOLE_PORT} -DSIOFMT=${B2SIOFMT} \ |
| 134 | -DSIOSPD=${BOOT_COMCONSOLE_SPEED} \ |
| 135 | ${.IMPSRC} -o ${.TARGET} -c |
| 136 | |
| 137 | install: |
| 138 | ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \ |
| 139 | boot ${DESTDIR}${BINDIR}/boot |
| 140 | ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \ |
| 141 | boot1 ${DESTDIR}${BINDIR}/boot1 |
| 142 | ${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \ |
| 143 | boot2 ${DESTDIR}${BINDIR}/boot2 |
| 144 | |
| 145 | .include <bsd.prog.mk> |
| 146 | |
| 147 | .if defined(REALLY_AMD64) |
| 148 | boot2.o: machine |
| 149 | |
| 150 | beforedepend ${OBJS}: machine |
| 151 | |
| 152 | machine: |
| 153 | ${LN} -sf ${.CURDIR}/../../../i386/include machine |
| 154 | |
| 155 | CLEANFILES+= machine |
| 156 | .endif |
| 157 | |
| 158 | CLEANFILES+= bootasmdef.nx |
| 159 | |