1 files changed, 123 insertions, 0 deletions
diff --git a/sys/boot/i386/gptboot/Makefile b/sys/boot/i386/gptboot/Makefile
new file mode 100644
index 0000000..aa8c0cd
--- /dev/null
+++ b/sys/boot/i386/gptboot/Makefile
@@ -0,0 +1,123 @@
+# $FreeBSD$
+
+PROG=		boot2
+NOMAN=
+STRIP=
+BINDIR?=	/boot
+BINMODE=	444
+CLEANFILES=	boot boot1 boot1.out boot1.o \
+		boot2.ldr boot2.bin boot2.ld boot2.out boot2.o boot2.h \
+		boot2.s sio.o
+
+NM?=		nm
+
+# A value of 0x80 enables LBA support.
+B1FLAGS=	0x80
+
+BOOT_COMCONSOLE_PORT?= 0x3f8
+BOOT_COMCONSOLE_SPEED?= 9600
+B2SIOFMT?=	0x3
+
+.if exists(${.OBJDIR}/../btx)
+BTX=	${.OBJDIR}/../btx
+.else
+BTX=	${.CURDIR}/../btx
+.endif
+
+REL1=	0x700
+ORG1=	0x7c00
+ORG2=	0x2000
+
+# Decide Level of UFS support.  UFS1_AND_UFS2 doesn't fit.
+
+# BOOT2_UFS?=	UFS2_ONLY
+BOOT2_UFS?=	UFS1_AND_UFS2
+# BOOT2_UFS?=	UFS1_ONLY
+
+CFLAGS=	-elf -ffreestanding -Os -fno-builtin \
+	-fno-guess-branch-probability -fomit-frame-pointer\
+	-mno-align-long-strings \
+	-mrtd \
+	-D${BOOT2_UFS} \
+	-I${.CURDIR}/../../common \
+	-I${.CURDIR}/../btx/lib -I. \
+	-Wall -Waggregate-return -Wbad-function-cast -Wcast-align \
+	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
+	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
+
+LDFLAGS=-nostdlib -static -N --gc-sections
+
+all: boot1 boot2 boot
+
+boot: boot1 boot2
+	cat boot1 boot2 > boot
+
+boot1: boot1.out
+	objcopy -S -O binary boot1.out ${.TARGET}
+
+boot1.out: boot1.o
+	${LD} ${LDFLAGS} -e start -Ttext ${ORG1} -o ${.TARGET} boot1.o
+
+boot1.o: boot1.s
+	${CPP} ${CFLAGS} ${.IMPSRC} | \
+	    ${AS} ${AFLAGS} --defsym FLAGS=${B1FLAGS} -o ${.TARGET}
+
+boot2.o: boot2.c ${.CURDIR}/../../common/ufsread.c
+	${CC} ${CFLAGS} -S -o boot2.s.tmp ${.IMPSRC}
+	sed -e '/align/d' -e '/nop/d' < boot2.s.tmp > boot2.s
+	rm -f boot2.s.tmp
+	${AS} ${AFLAGS} -o boot2.o boot2.s
+
+boot2.h: boot1.out
+	${NM} -t d ${.ALLSRC} | awk '/([0-9])+ T xread/ \
+	 	{ x = $$1 - ORG1; \
+		printf("#define XREADORG %#x\n", REL1 + x) }' \
+	 	ORG1=`printf "%d" ${ORG1}` \
+		REL1=`printf "%d" ${REL1}` > boot2.h
+
+boot2: boot2.ldr boot2.bin ${BTX}/btx/btx
+	btxld -v -E ${ORG2} -f bin -b ${BTX}/btx/btx -l boot2.ldr \
+		-o boot2.ld -P 1 boot2.bin
+	@ls -l boot2.ld | awk '{ x = 7680 - $$5; \
+		print x " bytes available"; if (x < 0) exit 1 }'
+	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
+
+boot2.ldr:
+	dd if=/dev/zero of=${.TARGET} bs=276 count=1 2>/dev/null
+
+boot2.bin: boot2.out
+	objcopy -S -O binary boot2.out ${.TARGET}
+
+boot2.out: boot2.o sio.o
+	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
+		${BTX}/lib/crt0.o ${.ALLSRC}
+
+boot2.o: boot2.h
+
+sio.o: sio.s
+	${AS} ${AFLAGS} --defsym SIOPRT=${BOOT_COMCONSOLE_PORT} \
+		--defsym SIOFMT=${B2SIOFMT} \
+		--defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
+		${.IMPSRC} -o ${.TARGET}
+
+install:
+	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
+		boot ${DESTDIR}${BINDIR}/boot
+	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
+		boot1 ${DESTDIR}${BINDIR}/boot1
+	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
+		boot2 ${DESTDIR}${BINDIR}/boot2
+
+.include <bsd.prog.mk>
+
+.if defined(REALLY_AMD64)
+boot2.o: machine
+
+beforedepend ${OBJS}: machine
+
+machine:
+	ln -sf ${.CURDIR}/../../../i386/include machine
+
+CLEANFILES+=	machine
+.endif
+