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# $FreeBSD$
.PATH: ${.CURDIR}/../boot2
FILES= gptboot
NM?= nm
BOOT_COMCONSOLE_PORT?= 0x3f8
BOOT_COMCONSOLE_SPEED?= 9600
B2SIOFMT?= 0x3
REL1= 0x700
ORG1= 0x7c00
ORG2= 0x0
# Decide level of UFS support.
GPTBOOT_UFS?= UFS1_AND_UFS2
#GPTBOOT_UFS?= UFS2_ONLY
#GPTBOOT_UFS?= UFS1_ONLY
CFLAGS= -Os \
-fno-guess-branch-probability \
-fomit-frame-pointer \
-fno-unit-at-a-time \
-mno-align-long-strings \
-mrtd \
-mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 \
-D${GPTBOOT_UFS} \
-DSIOPRT=${BOOT_COMCONSOLE_PORT} \
-DSIOFMT=${B2SIOFMT} \
-DSIOSPD=${BOOT_COMCONSOLE_SPEED} \
-I${.CURDIR}/../../common \
-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= gptboot
gptboot: gptldr.bin gptboot.bin ${BTXKERN}
btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l gptldr.bin \
-o ${.TARGET} gptboot.bin
CLEANFILES+= gptldr.bin gptldr.out gptldr.o
gptldr.bin: gptldr.out
objcopy -S -O binary gptldr.out ${.TARGET}
gptldr.out: gptldr.o
${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} gptldr.o
CLEANFILES+= gptboot.bin gptboot.out gptboot.o sio.o
gptboot.bin: gptboot.out
objcopy -S -O binary gptboot.out ${.TARGET}
gptboot.out: ${BTXCRT} gptboot.o sio.o
${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} ${.ALLSRC}
gptboot.o: ${.CURDIR}/../../common/ufsread.c
.if ${MACHINE_CPUARCH} == "amd64"
beforedepend gptboot.o: machine
CLEANFILES+= machine
machine:
ln -sf ${.CURDIR}/../../../i386/include machine
.endif
.include <bsd.prog.mk>
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