Conditionalize the number of sectors loaded by boot1.s on UFS1/UFS12.

Conditionalize the "XX bytes left" checks reference on UFS1/UFS12.

Conditionally build the necessary 64bit math for boot2 if UFS12.

Sponsored by:	DARPA & NAI Labs.

1 files changed, 30 insertions, 3 deletions

diff --git a/sys/boot/i386/boot2/Makefile b/sys/boot/i386/boot2/Makefile
index 4526d15..05567c1 100644
--- a/sys/boot/i386/boot2/Makefile
+++ b/sys/boot/i386/boot2/Makefile
@@ -7,7 +7,7 @@ BINDIR?=	/boot
 BINMODE=	444
 CLEANFILES+=	boot1 boot1.out boot1.o \
 		boot2.ldr boot2.bin boot2.ld boot2.out boot2.o boot2.h \
-		boot2.s sio.o
+		boot2.s sio.o divdi3.o moddi3.o qdivrem.o
 
 NM?=		nm
 
@@ -27,6 +27,10 @@ BTX=	${.CURDIR}/../btx
 ORG1=	0x7c00
 ORG2=	0x1000
 
+# Setting this to anything else gives UFS1+2 support and larger
+# boot2 binary.
+BOOT2_UFS?=	UFS1_ONLY
+
 CFLAGS=	-elf -ffreestanding -Os -fno-builtin \
 	-fno-guess-branch-probability \
 	-mrtd \
@@ -36,7 +40,11 @@ CFLAGS=	-elf -ffreestanding -Os -fno-builtin \
 	-Wmissing-declarations -Wmissing-prototypes -Wnested-externs \
 	-Wpointer-arith -Wshadow -Wstrict-prototypes -Wwrite-strings
 
-CFLAGS+= -DUFS1_ONLY 
+.if ${BOOT2_UFS} == "UFS1_ONLY"
+CFLAGS+= -D${BOOT2_UFS}
+.else
+
+.endif
 
 LDFLAGS=-nostdlib -static -N
 
@@ -66,9 +74,15 @@ boot2.h: boot1.out
 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
+.if ${BOOT2_UFS} == "UFS1_ONLY"
 	@ls -l boot2.ld | awk '{ x = 7680 - $$5; \
 		print x " bytes available"; if (x < 0) exit 1 }'
 	dd if=boot2.ld of=${.TARGET} obs=7680 conv=osync 2>/dev/null
+.else
+	@ls -l boot2.ld | awk '{ x = 9728 - $$5; \
+		print x " bytes available"; if (x < 0) exit 1 }'
+	dd if=boot2.ld of=${.TARGET} obs=9728 conv=osync 2>/dev/null
+.endif
 
 boot2.ldr:
 	dd if=/dev/zero of=${.TARGET} bs=512 count=1 2>/dev/null
@@ -76,9 +90,13 @@ boot2.ldr:
 boot2.bin: boot2.out
 	objcopy -S -O binary boot2.out ${.TARGET}
 
+.if ${BOOT2_UFS} == "UFS1_ONLY"
 boot2.out: boot2.o sio.o
+.else
+boot2.out: boot2.o sio.o divdi3.o moddi3.o qdivrem.o
+.endif
 	${LD} ${LDFLAGS} -Ttext ${ORG2} -o ${.TARGET} \
-		${BTX}/lib/crt0.o boot2.o sio.o
+		${BTX}/lib/crt0.o ${.ALLSRC}
 
 boot2.o: boot2.h
 
@@ -88,6 +106,15 @@ sio.o: sio.s
 		--defsym SIOSPD=${BOOT_COMCONSOLE_SPEED} \
 		${.IMPSRC} -o ${.TARGET}
 
+moddi3.o: ${.CURDIR}/../../../libkern/moddi3.c
+	${CC} ${CFLAGS} -I${.CURDIR}/../../../ -c ${.IMPSRC}
+
+divdi3.o: ${.CURDIR}/../../../libkern/divdi3.c
+	${CC} ${CFLAGS} -I${.CURDIR}/../../../ -c ${.IMPSRC}
+
+qdivrem.o: ${.CURDIR}/../../../libkern/qdivrem.c
+	${CC} ${CFLAGS} -I${.CURDIR}/../../../ -c ${.IMPSRC}
+
 install:
 	${INSTALL} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
 		boot1 ${DESTDIR}${BINDIR}/boot1