From fda10db5497de7616cabf757183ed5a5b616b1b7 Mon Sep 17 00:00:00 2001
From: Stefano Stabellini
Date: Thu, 1 Aug 2019 15:19:03 -0700
Subject: Move multi-domain configuration to imagebuilder

Previously it was expected to come with zynqmp-dt-config-package.
Add documentation on how to add addition VMs to the automatic boot.

Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
---
 Dockerfile.image                |  2 ++
 README.md                       | 12 ++++++++++++
 config                          | 17 +++++++++++++++++
 docker-extras/imagebuilder_sd   |  3 ++-
 docker-extras/imagebuilder_tftp |  3 ++-
 5 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 config

diff --git a/Dockerfile.image b/Dockerfile.image
index 32b7f61..4b57f7b 100644
--- a/Dockerfile.image
+++ b/Dockerfile.image
@@ -11,6 +11,7 @@ COPY [ \
   "./docker-extras/*", \
   "/tmp/docker-build/" \
 ]
+COPY config /tmp/docker-build/
 
 RUN \
   # apk
@@ -33,6 +34,7 @@ RUN \
     uboot-tools && \
   \
   # Copy run file
+  cp /tmp/docker-build/config /config && \
   cp /tmp/docker-build/imagebuilder_tftp /imagebuilder_tftp && \
   cp /tmp/docker-build/imagebuilder_sd /imagebuilder_sd && \
   cp /tmp/docker-build/uboot-script-gen /uboot-script-gen && \
diff --git a/README.md b/README.md
index 141e768..59108cf 100644
--- a/README.md
+++ b/README.md
@@ -50,3 +50,15 @@ command:
 ```
 scsi scan; load scsi 0:1 0xc00000 boot.scr; source 0xc00000
 ```
+
+## Add additional DomUs
+
+Assuming that you have the kernel and ramdisk of another DomU already in
+`PACKAGE.md` format, you can configure Imagebuilder to start it
+automatically at boot by making the following changes:
+
+- edit `Dockerfile.image`, add the domU package to the FROM lines
+- edit `Dockerfile.image`, add the domU package to the COPY lines
+- edit `config`, adding another DomU (NUM_DOMUS, DOMU_KERNEL and DOMU_RAMDISK)
+
+Rebuild Imagebuilder and rerun imagebuilder_sd/tftp.
diff --git a/config b/config
new file mode 100644
index 0000000..274e636
--- /dev/null
+++ b/config
@@ -0,0 +1,17 @@
+MEMORY_START="0x0"
+MEMORY_END="0x80000000"
+
+DEVICE_TREE="mpsoc.dtb"
+XEN="xen"
+DOM0_KERNEL="Image-dom0"
+DOM0_RAMDISK="dom0-ramdisk.cpio"
+
+NUM_DOMUS=2
+DOMU_KERNEL[0]="zynqmp-dom1/Image-domU"
+DOMU_RAMDISK[0]="zynqmp-dom1/domU-ramdisk.cpio"
+DOMU_PASSTHROUGH_DTB[0]="zynqmp-dom1/passthrough-example-part.dtb"
+DOMU_KERNEL[1]="zynqmp-dom2/Image-domU"
+DOMU_RAMDISK[1]="zynqmp-dom2/domU-ramdisk.cpio"
+
+UBOOT_SOURCE="boot.source"
+UBOOT_SCRIPT="boot.scr"
diff --git a/docker-extras/imagebuilder_sd b/docker-extras/imagebuilder_sd
index d3c98fb..0afa75f 100644
--- a/docker-extras/imagebuilder_sd
+++ b/docker-extras/imagebuilder_sd
@@ -2,8 +2,9 @@
 
 rm -rf /tmp/output
 mkdir /tmp/output
+cp config /tmp/output
+cp -r /home/builder/output/* /tmp/output
 cd /tmp/output
-cp -r /home/builder/output/* .
 export LOAD_CMD="load scsi 0:1"
 bash /uboot-script-gen
 bash /disk_image
diff --git a/docker-extras/imagebuilder_tftp b/docker-extras/imagebuilder_tftp
index 2bc12f2..c03633d 100644
--- a/docker-extras/imagebuilder_tftp
+++ b/docker-extras/imagebuilder_tftp
@@ -2,7 +2,8 @@
 
 rm -rf /tmp/output
 mkdir /tmp/output
+cp config /tmp/output
+cp -r /home/builder/output/* /tmp/output
 cd /tmp/output
-cp -r /home/builder/output/* .
 export LOAD_CMD="tftpb"
 bash /uboot-script-gen
-- 
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