build: Add build pipeline groundwork

Signed-off-by: Chloe M. <chloe@yiffware.org>

service/boot/Makefile

@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2026, Chloe M., et al
+# Provided under the BSD-3 clause
+#
+
+.PHONY: all
+all: deps iso
+
+.PHONY: deps
+deps:
+	./host/deps.sh
+
+.PHONY: iso
+iso:
+	./host/iso.sh

service/boot/host/deps.sh

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+#!/bin/sh
+#
+# Copyright (c) 2026, Chloe M., et al
+# Provided under the BSD-3 clause
+#
+
+if [ ! -d stand/limine ]; then
+    curl -L https://github.com/Limine-Bootloader/Limine/releases/latest/download/limine-binary.tar.gz | gunzip | tar -xf -
+    mkdir -p stand/
+    mv limine-binary stand/limine/
+    make -C stand/limine/
+fi

service/boot/host/iso.sh

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+#!/bin/bash
+#
+# Copyright (c) 2026, Chloe M., et al
+# Provided under the BSD-3 clause
+#
+
+set -e
+
+ISO=$PT_PROJECT_ROOT/artifacts/ptos.iso
+CONFIG=$PT_PROJECT_ROOT/service/base/boot/limine.conf
+KERNEL=$PT_PROJECT_ROOT/artifacts/ptsv.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 2>/dev/null
+
+stand/limine/limine bios-install $ISO 2>/dev/null
+rm -rf iso_root