1 files changed, 50 insertions, 0 deletions
diff --git a/grub-arm.cfg.iso-template b/grub-arm.cfg.iso-template
new file mode 100644
index 0000000..447a1f3
--- /dev/null
+++ b/grub-arm.cfg.iso-template
@@ -0,0 +1,50 @@
+# Inspired by the config used for lorax-built live media
+
+set default="1"
+
+function load_video {
+	insmod efi_gop
+	insmod efi_uga
+	insmod video_bochs
+	insmod video_cirrus
+	insmod all_video
+}
+set basicgfx="nomodeset"
+
+load_video
+set gfxpayload=keep
+insmod gzio
+insmod part_gpt
+insmod ext2
+insmod zstd
+
+terminal_input console
+terminal_output ${terminal_output}
+
+set timeout=${boot_timeout}
+set timeout_style=${boot_timeout_style}
+
+search ${search_params}
+
+# Surface Pro 12" (Snapdragon X1P-42-100): the dtb the entries below load is a
+# plain file in this same loader directory on the ISO9660 filesystem. GRUB
+# cannot read the erofs root image, and kiwi has no device tree support, so
+# surface-editbootconfig.sh copies it there out of the kernel-surface RPM in the
+# image root. See that script for why editbootconfig is the hook that can.
+menuentry "Start ${title}" --class fedora --class gnu-linux --class gnu --class os {
+	devicetree ($$root)${bootpath}/x1p42100-microsoft-sp12in.dtb
+	linux ($$root)${bootpath}/${kernel_file} ${boot_options}
+	initrd ($$root)${bootpath}/${initrd_file}
+}
+menuentry "Test this media & start ${title}" --class fedora --class gnu-linux --class gnu --class os {
+	devicetree ($$root)${bootpath}/x1p42100-microsoft-sp12in.dtb
+	linux ($$root)${bootpath}/${kernel_file} ${boot_options} rd.live.check
+	initrd ($$root)${bootpath}/${initrd_file}
+}
+submenu "Troubleshooting -->" {
+	menuentry "Start ${title} in basic graphics mode" --class fedora --class gnu-linux --class gnu --class os {
+		devicetree ($$root)${bootpath}/x1p42100-microsoft-sp12in.dtb
+		linux ($$root)${bootpath}/${kernel_file} ${boot_options} $${basicgfx}
+		initrd ($$root)${bootpath}/${initrd_file}
+	}
+}