From 6661ea88f7d2bbb4c4fac8db769e97651dd287bd Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Fri, 12 Aug 2016 18:15:10 +0100
Subject: [PATCH] stage 3: Allow DISK=... parameter to
 boot-stage3-in-qemu/-in-spike.

This allows us to run multiple parallel builds using different
disks.
---
 Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 9a4eefd..ece2886 100644
--- a/Makefile
+++ b/Makefile
@@ -1037,16 +1037,18 @@ stage3-disk.img.xz: stage3-disk.img
 	rm -f $@
 	xz --best $^
 
+DISK := stage3-disk.img
+
 # Helper which boots stage3 disk image in spike.
 boot-stage3-in-spike: stage3-disk.img stage3-kernel/linux-$(KERNEL_VERSION)/vmlinux
-	spike +disk=stage3-disk.img \
+	spike +disk=$(DISK) \
 	    /usr/bin/bbl stage3-kernel/linux-$(KERNEL_VERSION)/vmlinux
 
 # Helper which boots stage3 disk image in qemu.
 boot-stage3-in-qemu: stage3-disk.img stage3-kernel/linux-$(KERNEL_VERSION)/vmlinux
 	qemu-system-riscv -kernel /usr/bin/bbl \
 	    -append ./stage3-kernel/linux-$(KERNEL_VERSION)/vmlinux \
-	    -drive file=stage3-disk.img,format=raw -nographic
+	    -drive file=$(DISK),format=raw -nographic
 
 # Stage 4
 
-- 
1.8.3.1