Add initial 64-bit ARM (aarch64) support (#1034432)

Signed-off-by: Brian C. Lane <bcl@redhat.com>

Resolves: rhbz#1034432

share/aarch64.tmpl

@@ -0,0 +1,49 @@
+<%page args="kernels, runtime_img, basearch, outroot, product, isolabel"/>
+<%
+configdir="tmp/config_files/aarch64"
+PXEBOOTDIR="images/pxeboot"
+BOOTDIR="boot"
+KERNELDIR=PXEBOOTDIR
+LIVEDIR="LiveOS"
+%>
+
+mkdir ${LIVEDIR}
+install ${runtime_img} ${LIVEDIR}/squashfs.img
+treeinfo stage2 mainimage ${LIVEDIR}/squashfs.img
+
+## install bootloader and config files
+mkdir ${BOOTDIR}
+install ${configdir}/boot.msg ${BOOTDIR}
+install ${configdir}/grub2-efi.cfg ${BOOTDIR}
+
+## configure bootloader
+replace @VERSION@ ${product.version} ${BOOTDIR}/grub2-efi.cfg ${BOOTDIR}/*.msg
+replace @PRODUCT@ '${product.name}'  ${BOOTDIR}/grub2-efi.cfg ${BOOTDIR}/*.msg
+
+## install kernels
+mkdir ${KERNELDIR}
+%for kernel in kernels:
+    ## normal aarch64
+    installkernel images-${basearch} ${kernel.path} ${KERNELDIR}/vmlinuz
+    installinitrd images-${basearch} ${kernel.initrd.path} ${KERNELDIR}/initrd.img
+    %if doupgrade:
+        installupgradeinitrd images-${basearch} ${kernel.upgrade.path} ${KERNELDIR}/upgrade.img
+    %endif
+%endfor
+
+#FIXME: this will need adjusted when we have a real bootloader.
+## WHeeeeeeee, EFI.
+## We could remove the basearch restriction someday..
+<% efiargs=""; efigraft="" %>
+%if exists("boot/efi/EFI/*/gcdaa64.efi"):
+    <%
+    efiarch = 'AARCH64'
+    efigraft="EFI/BOOT={0}/EFI/BOOT".format(outroot)
+    images = ["images/efiboot.img"]
+    for img in images:
+        efiargs += " -eltorito-alt-boot -e {0} -no-emul-boot".format(img)
+        efigraft += " {0}={1}/{0}".format(img,outroot)
+    %>
+    <%include file="efi.tmpl" args="configdir=configdir, KERNELDIR=KERNELDIR, efiarch=efiarch, isolabel=isolabel"/>
+%endif
+

share/config_files/aarch64/boot.msg

@@ -0,0 +1,5 @@
+ 
+splash.lss
+
+ -  Press the 01<ENTER>07 key to begin the installation process.
+

share/config_files/aarch64/grub.conf

@@ -0,0 +1,13 @@
+#debug --graphics
+default=0
+splashimage=@SPLASHPATH@
+timeout 5
+hiddenmenu
+title Install @PRODUCT@ @VERSION@
+	findiso
+	kernel @KERNELPATH@ @ROOT@ quiet
+	initrd @INITRDPATH@
+title Test this media & install @PRODUCT@ @VERSION@
+	findiso
+	kernel @KERNELPATH@ @ROOT@ rd.live.check quiet
+	initrd @INITRDPATH@

share/config_files/aarch64/grub2-efi.cfg

@@ -0,0 +1,18 @@
+set default="0"
+
+insmod gzio
+insmod part_gpt
+insmod ext2
+insmod gzio
+
+set timeout=5
+### END /etc/grub.d/00_header ###
+
+### BEGIN /etc/grub.d/10_linux ###
+menuentry 'Install @PRODUCT@ @VERSION@' --class fedora --class gnu-linux --class gnu --class os {
+        set root='hd0,gpt2'
+        devicetree @KERNELPATH@/../foundation-v8.dtb
+        linuxefi @KERNELPATH@ @ROOT@ mem=2G console=ttyAMA0 earlyprintk=pl011,0x1c090000 debug uefi_debug rw
+        initrdefi @INITRDPATH@
+}
+

share/runtime-install.tmpl

@@ -21,6 +21,9 @@ installpkg grubby
 %endif
 
 ## arch-specific packages (bootloaders etc.)
+%if basearch == "aarch64":
+    installpkg grub2-efi grubby
+%endif
 %if basearch in ("arm", "armhfp"):
     installpkg kernel-lpae
     installpkg uboot-tools

src/pylorax/__init__.py

@@ -50,7 +50,7 @@ from discinfo import DiscInfo
 from executils import runcmd, runcmd_output
 
 class ArchData(DataHolder):
-    lib64_arches = ("x86_64", "ppc64", "s390x", "ia64")
+    lib64_arches = ("x86_64", "ppc64", "s390x", "ia64", "aarch64")
     bcj_arch = dict(i386="x86", x86_64="x86",
                     ppc="powerpc", ppc64="powerpc",
                     arm="arm", armhfp="arm")

src/pylorax/treebuilder.py

@@ -37,6 +37,7 @@ templatemap = {
     'ppc64':   'ppc.tmpl',
     's390':    's390.tmpl',
     's390x':   's390.tmpl',
+    'aarch64': 'aarch64.tmpl',
     'arm':     'arm.tmpl',
     'armhfp':  'arm.tmpl',
 }