img/installer: separate from combined image

This way, we don't need to a build a whole huge image to test changes
to the installer system.  In fact, we don't need to build an image for
it at all — we can just run it in a VM with root on 9p.

1 files changed, 23 insertions, 0 deletions

diff --git a/img/combined/grub.cfg.in b/img/combined/grub.cfg.in
new file mode 100644
index 0000000..1a91a75
--- /dev/null
+++ b/img/combined/grub.cfg.in
@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: EUPL-1.2
+# SPDX-FileCopyrightText: 2021 Alyssa Ross <hi@alyssa.is>
+
+insmod efi_gop
+insmod efi_uga
+
+insmod font
+loadfont /grub/fonts/unicode.pf2
+
+insmod gfxterm
+set gfxpayload=keep
+terminal_output gfxterm
+
+menuentry "Try Spectrum" {
+  loopback live (hd0,gpt3)/Spectrum-0.0-x86_64-generic.0.Live.img
+  chainloader (live,gpt1)/efi/boot/bootx64.efi
+}
+
+menuentry "Install Spectrum" {
+  set root=(hd0,gpt2)
+  linux @linux@ @kernelParams@
+  initrd @initrd@
+}