start to create pi configs

configs/rocky-rpi.xml

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+<?xml version="1.0" encoding="utf-8"?>
+
+<image schemaversion="7.4" name="Rocky">
+  <description type="system">
+    <author>Release Engineering (SIG/Core)</author>
+    <contact>releng@rockylinux.org</contact>
+    <specification>Rocky Linux</specification>
+  </description>
+  <preferences>
+    <version>9</version>
+    <packagemanager>dnf</packagemanager>
+    <locale>en_US</locale>
+    <keytable>us</keytable>
+    <timezone>UTC</timezone>
+    <release-version>9</release-version>
+  </preferences>
+  <include from="this://./repositories/core.xml"/>
+  <include from="this://./repositories/altarch-common.xml"/>
+  <include from="this://./components/boot.xml"/>
+  <include from="this://./components/users.xml"/>
+  <include from="this://./sbc/pi.xml"/>
+  <packages type="bootstrap">
+    <package name="basesystem"/>
+    <package name="filesystem"/>
+  </packages>
+</image>

repositories/altarch-common.xml

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+altarch-common-default.xml

sbc/editbootinstall_rpi.sh

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+#!/bin/bash
+# Modify this script to handle disk changes as needed.
+# This means the relevant parts of %post can be brought over and adapted.
+# example portions are commented out.
+
+set -x
+
+#diskname="$1"
+#devname="$2"
+#loopname="${devname%*p2}"
+#loopdev=/dev/${loopname#/dev/mapper/*}

sbc/pi.xml

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+<image>
+  <profiles>
+    <profile name="Core-Pi" description="Pi Base Packages">
+      <requires profile="Core-Boot"/>
+    </profile>
+    <profile name="SBC-RaspberryPi" description="Raspberry Pi Image">
+      <requires profile="Core-Pi"/>
+    </profile>
+  </profiles>
+  <!-- Generic -->
+  <preferences profiles="SBC-RaspberryPi" arch="aarch64">
+    <type image="oem" format="raw"
+      filesystem="ext4"
+      bootpartition="true" bootpartsize="1000" bootfilesystem="ext4" efipartsize="100" firmware="efi"
+      kernelcmdline="console=ttyAMA0,115200 console=tty1 root=FILL rootfstype=ext4 elevator=deadline rootwait"
+      devicepersistency="by-uuid"
+      editbootinstall="editbootinstall_rpi.sh"
+      rootfs_label="RPIROOT">
+      <oemconfig>
+        <oem-resize>false</oem-resize>
+        <oem-skip-verify>true</oem-skip-verify>
+        <oem-swap>true</oem-swap>
+        <oem-swapsize>512</oem-swapsize>
+      </oemconfig>
+      <bootloader name="grub2" console="serial"/>
+      <size unit="G">10</size>
+    </type>
+  </preferences>
+  <packages type="image" patternType="plusRecommended" profiles="Core-Pi">
+    <namedCollection name="core"/>
+    <package name="rocky-release"/>
+    <package name="rocky-release-altarch"/>
+    <package name="bash-completion"/>
+    <package name="chrony"/>
+    <package name="cloud-utils-growpart"/>
+    <package name="kernel-tools"/>
+    <package name="langpacks-en"/>
+    <package name="glibc-all-langpacks"/>
+    <package name="net-tools"/>
+    <package name="nano"/>
+    <package name="NetworkManager-wifi"/>
+    <package name="vim"/>
+  </packages>
+  <packages type="image" patternType="plusRecommended" profiles="SBC-RaspberryPi">
+    <package name="rocky-release-rpi"/>
+    <package name="raspberrypi2-firmware"/>
+    <package name="raspberrypi2-kernel4"/>
+  </packages>
+</image>