From 9018024ca92802c4234c5bce0dc8f37dd3af7cb9 Mon Sep 17 00:00:00 2001
From: Joachim Wiberg <troglobit@gmail.com>
Date: Mon, 16 Jan 2023 19:12:32 +0100
Subject: [PATCH] Add support for generating GNS3 appliance file for amd64
 builds

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
---
 board/amd64/isolinux.cfg    | 15 +++++++++++
 board/amd64/linux_defconfig |  5 ++++
 board/common/mkgns3a.sh     | 51 +++++++++++++++++++++++++++++++++++++
 board/common/post-image.sh  | 10 ++++++--
 configs/amd64_defconfig     |  7 +++++
 5 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 board/amd64/isolinux.cfg
 create mode 100755 board/common/mkgns3a.sh

diff --git a/board/amd64/isolinux.cfg b/board/amd64/isolinux.cfg
new file mode 100644
index 00000000..e1b1d201
--- /dev/null
+++ b/board/amd64/isolinux.cfg
@@ -0,0 +1,15 @@
+serial 0 115200
+timeout 20
+totaltimeout 100
+ontimeout qemu
+ui menu.c32
+
+label qemu
+      kernel __KERNEL_PATH__
+      initrd __INITRD_PATH__
+      append root=/dev/sr0 console=ttyS0 quiet
+
+label live
+      kernel __KERNEL_PATH__
+      initrd __INITRD_PATH__
+      append root=/dev/sr0 console=tty0 quiet
diff --git a/board/amd64/linux_defconfig b/board/amd64/linux_defconfig
index 1f3d8956..d5207ea4 100644
--- a/board/amd64/linux_defconfig
+++ b/board/amd64/linux_defconfig
@@ -1,5 +1,6 @@
 CONFIG_SYSVIPC=y
 CONFIG_CGROUPS=y
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_SMP=y
 CONFIG_HYPERVISOR_GUEST=y
 CONFIG_PARAVIRT=y
@@ -63,8 +64,12 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_FW_CFG_SYSFS=y
 CONFIG_FW_CFG_SYSFS_CMDLINE=y
+CONFIG_BLK_DEV_NULL_BLK=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
 CONFIG_VIRTIO_BLK=y
 CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SR=y
 CONFIG_SCSI_VIRTIO=y
 CONFIG_ATA=y
 CONFIG_ATA_PIIX=y
diff --git a/board/common/mkgns3a.sh b/board/common/mkgns3a.sh
new file mode 100755
index 00000000..31703a35
--- /dev/null
+++ b/board/common/mkgns3a.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+cat <<EOF >"$BINARIES_DIR/infix.gns3a"
+{
+    "name": "infix",
+    "category": "router",
+    "description": "Infix Network Operating System",
+    "vendor_name": "KernelKit",
+    "vendor_url": "https://github.com/kernelkit/",
+    "product_name": "Infix",
+    "registry_version": 6,
+    "status": "stable",
+    "maintainer": "KernelKit",
+    "maintainer_email": "infix@example.com",
+    "port_name_format": "eth{0}",
+    "linked_clone": true,
+    "qemu": {
+        "adapter_type": "virtio-net-pci",
+        "adapters": 10,
+        "ram": 192,
+        "cpus": 1,
+        "hda_disk_interface": "virtio",
+        "arch": "x86_64",
+        "console_type": "telnet",
+        "kvm": "allow"
+    },
+    "images": [
+        {
+            "filename": "rootfs.iso9660",
+            "filesize": $(stat --printf='%s' "$BINARIES_DIR/rootfs.iso9660"),
+            "md5sum": "$(md5sum "$BINARIES_DIR/rootfs.iso9660" | awk '{print $1}')",
+            "version": "v0.0"
+        },
+        {
+            "filename": "rw.ext4",
+            "filesize": $(stat --printf='%s' "$BINARIES_DIR/rw.ext4"),
+            "md5sum": "$(md5sum "$BINARIES_DIR/rw.ext4" | awk '{print $1}')",
+            "version": "v0.0"
+        }
+    ],
+    "versions": [
+        {
+            "name": "v0.0",
+            "images": {
+                "cdrom_image": "rootfs.iso9660",
+                "hda_disk_image": "rw.ext4"
+            }
+        }
+    ]
+}
+EOF
diff --git a/board/common/post-image.sh b/board/common/post-image.sh
index f765a148..c31f57e1 100755
--- a/board/common/post-image.sh
+++ b/board/common/post-image.sh
@@ -1,5 +1,11 @@
 #!/bin/sh
+# shellcheck disable=SC1090
+. "$BR2_CONFIG" 2>/dev/null
 
-common=$(dirname $(readlink -f "$0"))
+common=$(dirname "$(readlink -f "$0")")
 
-$common/mkfit.sh
+"$common/mkfit.sh"
+
+if [ "$BR2_ARCH" = "x86_64" ]; then
+	"$common/mkgns3a.sh"
+fi
diff --git a/configs/amd64_defconfig b/configs/amd64_defconfig
index 568ab7bf..da82945a 100644
--- a/configs/amd64_defconfig
+++ b/configs/amd64_defconfig
@@ -56,7 +56,14 @@ BR2_PACKAGE_WATCHDOGD=y
 BR2_PACKAGE_MG=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_SIZE="128M"
+BR2_TARGET_ROOTFS_ISO9660=y
+BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU="$(BR2_EXTERNAL_INFIX_PATH)/board/amd64/isolinux.cfg"
+BR2_TARGET_ROOTFS_ISO9660_HYBRID=y
 # BR2_TARGET_ROOTFS_TAR is not set
+BR2_TARGET_SYSLINUX=y
+BR2_TARGET_SYSLINUX_ISOLINUX=y
+BR2_TARGET_SYSLINUX_MBR=y
+BR2_TARGET_SYSLINUX_C32="dmi.c32 libcom32.c32 libgpl.c32 liblua.c32 libutil.c32 lua.c32 menu.c32 syslinux.c32"
 BR2_PACKAGE_HOST_ENVIRONMENT_SETUP=y
 BR2_PACKAGE_FACTORY=y
 BR2_PACKAGE_FINIT_SULOGIN=y