build: merge remaining submodules and clean up .gitignore

.gitignore

@@ -1,38 +1,20 @@
-.git 2/FETCH_HEAD
-limine 2/BOOTAA64.EFI
-limine 2/BOOTIA32.EFI
-limine 2/BOOTRISCV64.EFI
-limine 2/BOOTX64.EFI
-limine 2/install-sh
-limine 2/LICENSE
-limine 2/limine-bios-cd.bin
-limine 2/limine-bios-hdd.h
-limine 2/limine-bios-pxe.bin
-limine 2/limine-bios.sys
-limine 2/limine-uefi-cd.bin
-limine 2/limine.c
-limine 2/limine.dSYM/Contents/Info.plist
-limine 2/limine.dSYM/Contents/Resources/Relocations/aarch64/limine.yml
-limine 2/limine.h
-limine 2/Makefile
-limine 2/limine
-limine 2/limine.dSYM/Contents/Resources/DWARF/limine
-limine 2/limine.exe
-boredos.dump
-qemu-debug.log
+# Build artifacts
+/build/
 iso_root/
-limine/
-src/userland/bin/
 boredos.iso
 disk.img
-limine
+disk.qcow2
+edk2-vars.fd
+qemu-debug.log
+boredos.dump
+
+# Userland
+src/userland/bin/
+
+# Temporary files
 **/.DS_Store
 .DS_Store
-/build/
 *.o
-disk.img
-disk.qcow2
+
+# Others
 .gitignore
-disk.img
-edk2-vars.fd
-disk.img

limine/LICENSE

@@ -0,0 +1,22 @@
+Copyright (C) 2019-2026 Mintsuki and contributors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

limine/Makefile

@@ -0,0 +1,19 @@
+.POSIX:
+
+SHELL=/bin/sh
+
+CC=cc
+CFLAGS=-g -O2 -pipe
+CPPFLAGS=
+LDFLAGS=
+LIBS=
+
+.PHONY: all
+all: limine
+
+.PHONY: clean
+clean:
+	rm -f limine limine.exe
+
+limine: limine.c
+	$(CC) $(CFLAGS) -std=c99 $(CPPFLAGS) $(LDFLAGS) $< $(LIBS) -o $@

limine/limine.dSYM/Contents/Info.plist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleDevelopmentRegion</key>
+		<string>English</string>
+		<key>CFBundleIdentifier</key>
+		<string>com.apple.xcode.dsym.limine</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>dSYM</string>
+		<key>CFBundleSignature</key>
+		<string>????</string>
+		<key>CFBundleShortVersionString</key>
+		<string>1.0</string>
+		<key>CFBundleVersion</key>
+		<string>1</string>
+	</dict>
+</plist>

limine/limine.dSYM/Contents/Resources/Relocations/aarch64/limine.yml

@@ -0,0 +1,5 @@
+---
+triple:          'arm64-apple-darwin'
+binary-path:     limine
+relocations:     []
+...