From c20d3baeb03dbf2ce561c2676c37b0fa15a7eb1a Mon Sep 17 00:00:00 2001
From: Enji Cooper <ngie@FreeBSD.org>
Date: Tue, 28 Mar 2017 21:35:18 +0000
Subject: [PATCH] Don't hardcode input files for stage 1/2 bootloaders; use
 .ALLSRC instead

This is a better pattern to follow when creating the bootloaders and doing
the relevant space checks to make sure that the sizes aren't exceeded (and
thus, copy-pasting is a bit less error prone).

MFC after:	3 days
Sponsored by:	Dell EMC Isilon
---
 sys/boot/efi/boot1/Makefile     | 4 ++--
 sys/boot/i386/boot2/Makefile    | 4 ++--
 sys/boot/i386/zfsboot/Makefile  | 4 ++--
 sys/boot/sparc64/boot1/Makefile | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/sys/boot/efi/boot1/Makefile b/sys/boot/efi/boot1/Makefile
index 8d129df0cdf..09f12fe578e 100644
--- a/sys/boot/efi/boot1/Makefile
+++ b/sys/boot/efi/boot1/Makefile
@@ -114,7 +114,7 @@ boot1.o: ${.CURDIR}/../../common/ufsread.c
 BOOT1_MAXSIZE?=	131072
 
 boot1.efifat: boot1.efi
-	@set -- `ls -l boot1.efi`; \
+	@set -- `ls -l ${.ALLSRC}`; \
 	x=$$(($$5-${BOOT1_MAXSIZE})); \
 	if [ $$x -ge 0 ]; then \
 	    echo "boot1 $$x bytes too large; regenerate FAT templates?" >&2 ;\
@@ -124,7 +124,7 @@ boot1.efifat: boot1.efi
 	uudecode ${.CURDIR}/fat-${MACHINE}.tmpl.bz2.uu
 	mv fat-${MACHINE}.tmpl.bz2 ${.TARGET}.bz2
 	bzip2 -f -d ${.TARGET}.bz2
-	${DD} if=boot1.efi of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
+	${DD} if=${.ALLSRC} of=${.TARGET} seek=${BOOT1_OFFSET} conv=notrunc
 
 CLEANFILES= boot1.efi boot1.efifat
 
diff --git a/sys/boot/i386/boot2/Makefile b/sys/boot/i386/boot2/Makefile
index bd2f3df967e..4fb5c9ed4c7 100644
--- a/sys/boot/i386/boot2/Makefile
+++ b/sys/boot/i386/boot2/Makefile
@@ -67,9 +67,9 @@ CLEANFILES+=	boot2 boot2.ld boot2.ldr boot2.bin boot2.out boot2.o \
 		boot2.h sio.o
 
 boot2: boot2.ld
-	@set -- `ls -l boot2.ld`; x=$$((7680-$$5)); \
+	@set -- `ls -l ${.ALLSRC}`; x=$$((7680-$$5)); \
 	    echo "$$x bytes available"; test $$x -ge 0
-	${DD} if=boot2.ld of=${.TARGET} obs=7680 conv=osync
+	${DD} if=${.ALLSRC} of=${.TARGET} obs=7680 conv=osync
 
 boot2.ld: boot2.ldr boot2.bin ${BTXKERN}
 	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l boot2.ldr \
diff --git a/sys/boot/i386/zfsboot/Makefile b/sys/boot/i386/zfsboot/Makefile
index b50f961fc8d..f9719ce6e9c 100644
--- a/sys/boot/i386/zfsboot/Makefile
+++ b/sys/boot/i386/zfsboot/Makefile
@@ -68,9 +68,9 @@ CLEANFILES+=	zfsboot2 zfsboot.ld zfsboot.ldr zfsboot.bin zfsboot.out \
 BOOT2SIZE=	131072
 
 zfsboot2: zfsboot.ld
-	@set -- `ls -l zfsboot.ld`; x=$$((${BOOT2SIZE}-$$5)); \
+	@set -- `ls -l ${.ALLSRC}`; x=$$((${BOOT2SIZE}-$$5)); \
 	    echo "$$x bytes available"; test $$x -ge 0
-	${DD} if=zfsboot.ld of=${.TARGET} obs=${BOOT2SIZE} conv=osync
+	${DD} if=${.ALLSRC} of=${.TARGET} obs=${BOOT2SIZE} conv=osync
 
 zfsboot.ld: zfsboot.ldr zfsboot.bin ${BTXKERN}
 	btxld -v -E ${ORG2} -f bin -b ${BTXKERN} -l zfsboot.ldr \
diff --git a/sys/boot/sparc64/boot1/Makefile b/sys/boot/sparc64/boot1/Makefile
index 6a47a5461b7..3453b286308 100644
--- a/sys/boot/sparc64/boot1/Makefile
+++ b/sys/boot/sparc64/boot1/Makefile
@@ -17,10 +17,10 @@ LDFLAGS=-Ttext ${BOOTBLOCKBASE} -Wl,-N
 # Construct boot1. sunlabel expects it to contain zeroed-out space for the
 # label, and to be of the correct size.
 ${FILES}: boot1.aout
-	@set -- `ls -l boot1.aout`; x=$$((7680-$$5)); \
+	@set -- `ls -l ${.ALLSRC}`; x=$$((7680-$$5)); \
 	    echo "$$x bytes available"; test $$x -ge 0
 	${DD} if=/dev/zero of=${.TARGET} bs=512 count=16
-	${DD} if=boot1.aout of=${.TARGET} bs=512 oseek=1 conv=notrunc
+	${DD} if=${.ALLSRC} of=${.TARGET} bs=512 oseek=1 conv=notrunc
 
 boot1.aout: boot1.elf
 	elf2aout -o ${.TARGET} ${.ALLSRC}