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https://github.com/freebsd/freebsd-src
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4722ceb7d5
9600 was a standard baud rate decades ago, but 115200 is now more common so choose defaults that are useful to the largest number of users. Note that boot0sio does not support rates above 9600 so it remains unchanged. Reviewed by: bz, imp, manu Relnotes: Yes Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D36295
64 lines
1.6 KiB
Makefile
64 lines
1.6 KiB
Makefile
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.include <bsd.init.mk>
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.PATH: ${BOOTSRC}/i386/boot2 ${BOOTSRC}/i386/gptboot \
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${BOOTSRC}/i386/common ${SASRC}
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FILES= isoboot
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MAN= isoboot.8
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BOOT_COMCONSOLE_PORT?= 0x3f8
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BOOT_COMCONSOLE_SPEED?= 115200
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B2SIOFMT?= 0x3
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REL1= 0x700
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ORG1= 0x7c00
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ORG2= 0x0
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ISOBOOTSIZE?= 30720
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CFLAGS+=-DBOOTPROG=\"isoboot\" \
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-O1 \
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-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
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-DSIOFMT=${B2SIOFMT} \
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-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
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-I${LDRSRC} \
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-I${BOOTSRC}/i386/common \
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-I${BOOTSRC}/i386/boot2 \
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-Wall -Waggregate-return -Wbad-function-cast -Wno-cast-align \
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-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
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-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings \
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-Wno-pointer-sign
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CFLAGS.gcc+= --param max-inline-insns-single=100
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CFLAGS.clang+= -Oz ${CLANG_OPT_SMALL}
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LD_FLAGS+=${LD_FLAGS_BIN}
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CLEANFILES+= isoboot
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isoboot: gptldr.bin isoboot.bin ${BTXKERN}
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btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l gptldr.bin \
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-o ${.TARGET} isoboot.bin
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@set -- `ls -l ${.TARGET}`; x=$$((${ISOBOOTSIZE}-$$5)); \
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echo "$$x bytes available"; test $$x -ge 0
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CLEANFILES+= gptldr.bin gptldr.out gptldr.o
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gptldr.bin: gptldr.out
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${OBJCOPY} -S -O binary gptldr.out ${.TARGET}
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gptldr.out: gptldr.o
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${LD} ${LD_FLAGS} -e start --defsym ORG=${ORG1} -T ${LDSCRIPT} -o ${.TARGET} gptldr.o
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CLEANFILES+= isoboot.bin isoboot.out isoboot.o sio.o drv.o \
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cons.o ${OPENCRYPTO_XTS}
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isoboot.bin: isoboot.out
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${OBJCOPY} -S -O binary isoboot.out ${.TARGET}
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isoboot.out: ${BTXCRT} isoboot.o sio.o drv.o cons.o ${OPENCRYPTO_XTS}
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${LD} ${LD_FLAGS} --defsym ORG=${ORG2} -T ${LDSCRIPT} -o ${.TARGET} ${.ALLSRC} ${LIBSA32}
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.include <bsd.prog.mk>
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