From b35b559cd9d2c659719ae3c657df5db701cf1fd2 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@mirocom.org>
Date: Wed, 25 Mar 2026 07:29:37 -0400
Subject: [PATCH] boot: Load M1X kernel through limine

Signed-off-by: Ian Moffett <ian@mirocom.org>
---
 .gitignore                |  1 +
 src/Makefile              |  6 +++++-
 src/boot/Makefile         | 15 +++++++++++++++
 src/boot/host/deps.sh     | 11 +++++++++++
 src/boot/host/iso.sh      | 32 ++++++++++++++++++++++++++++++++
 src/data/boot/limine.conf | 11 +++++++++++
 6 files changed, 75 insertions(+), 1 deletion(-)
 create mode 100644 src/boot/Makefile
 create mode 100755 src/boot/host/deps.sh
 create mode 100755 src/boot/host/iso.sh
 create mode 100644 src/data/boot/limine.conf

diff --git a/.gitignore b/.gitignore
index aab2932..9bf13f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /var
+/src/boot/stand/
 *.o
 *.d
 *.sys
diff --git a/src/Makefile b/src/Makefile
index 0fe9182..aa93e77 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -6,7 +6,11 @@
 include mk/default.mk
 
 .PHONY: all
-all: sdk m1x
+all: sdk m1x boot
+
+.PHONY: boot
+boot:
+	cd boot/; make
 
 .PHONY: sdk
 sdk:
diff --git a/src/boot/Makefile b/src/boot/Makefile
new file mode 100644
index 0000000..99286db
--- /dev/null
+++ b/src/boot/Makefile
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# Provided under the BSD-3 clause
+#
+
+.PHONY: all
+all: deps iso
+
+.PHONY: deps
+deps:
+	./host/deps.sh
+
+.PHONY: iso
+iso:
+	./host/iso.sh
diff --git a/src/boot/host/deps.sh b/src/boot/host/deps.sh
new file mode 100755
index 0000000..c804888
--- /dev/null
+++ b/src/boot/host/deps.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# Provided under the BSD-3 clause
+#
+
+if [ ! -d stand/limine ]; then
+	git clone https://codeberg.org/Limine/Limine.git --branch=v10.x-binary --depth=1 stand/limine
+    make -C stand/limine
+fi
diff --git a/src/boot/host/iso.sh b/src/boot/host/iso.sh
new file mode 100755
index 0000000..c4f6fb7
--- /dev/null
+++ b/src/boot/host/iso.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+#
+# Copyright (c) 2026, Mirocom Laboratories
+# Provided under the BSD-3 clause
+#
+
+
+set -e
+
+ISO=../../m1x.iso
+CONFIG=../data/boot/limine.conf
+KERNEL=../m1x/m1x.sys
+
+mkdir -p iso_root/boot/
+
+# Copy the kernel to the ISO root
+cp $KERNEL iso_root/boot
+
+# Copy boot files
+cp $CONFIG stand/limine/limine-bios.sys \
+    stand/limine/limine-bios-cd.bin \
+    stand/limine/limine-uefi-cd.bin \
+    iso_root/
+
+# Generate the ISO
+xorriso -as mkisofs -b limine-bios-cd.bin -no-emul-boot -boot-load-size 4 \
+        -boot-info-table --efi-boot limine-uefi-cd.bin -efi-boot-part \
+		--efi-boot-image --protective-msdos-label iso_root/ -o $ISO 1>/dev/null
+
+stand/limine/limine bios-install $ISO 1>/dev/null
+rm -rf iso_root
diff --git a/src/data/boot/limine.conf b/src/data/boot/limine.conf
new file mode 100644
index 0000000..c193618
--- /dev/null
+++ b/src/data/boot/limine.conf
@@ -0,0 +1,11 @@
+timeout: 10
+interface_branding_color: 4
+interface_help_color: 2
+
+editor_enabled: no
+interface_help_hidden: no
+randomize_hhdm_base: no
+
+/M1X
+    protocol: limine
+    kernel_path: boot():/boot/m1x.sys