userspace: Rewrite everything

Everything.

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Userspace/apps/sys/Makefile

@@ -0,0 +1,9 @@
+MAKE_TARGETS := build clean
+DIRECTORIES := $(sort $(dir $(wildcard ./*/)))
+
+.PHONY: $(MAKE_TARGETS) $(DIRECTORIES)
+
+$(MAKE_TARGETS): $(DIRECTORIES)
+
+$(DIRECTORIES):
+	$(MAKE) -C $@ $(MAKECMDGOALS)

Userspace/apps/sys/init/.gitignore

@@ -0,0 +1 @@
+init

Userspace/apps/sys/init/Makefile

@@ -0,0 +1,33 @@
+default:
+	$(error Do not run this Makefile directly!)
+
+S_SOURCES = $(shell find ./ -type f -name '*.S')
+C_SOURCES = $(shell find ./ -type f -name '*.c')
+CXX_SOURCES = $(shell find ./ -type f -name '*.cpp')
+
+OBJ = $(S_SOURCES:.S=.o) $(C_SOURCES:.c=.o) $(CXX_SOURCES:.cpp=.o)
+
+FILENAME = $(notdir $(shell pwd))
+WARNCFLAG = -Wall -Wextra
+
+build: $(FILENAME)
+	cp $(FILENAME) $(WORKSPACE_DIR)/out/bin/$(FILENAME)
+
+$(FILENAME): $(OBJ)
+	$(info Linking $@)
+	$(CC) $(LDFLAGS) $(SYSROOT) $(OBJ) -o $@
+
+%.o: %.c $(HEADERS)
+	$(info Compiling $<)
+	$(CC) $(CFLAGS) $(WARNCFLAG) -std=c17 -c $< -o $@
+
+%.o: %.cpp $(HEADERS)
+	$(info Compiling $<)
+	$(CXX) $(CFLAGS) $(WARNCFLAG) -std=c++20 -fexceptions -c $< -o $@ -fno-rtti
+
+%.o: %.S
+	$(info Compiling $<)
+	$(AS) -o $@ $<
+
+clean:
+	rm -f $(OBJ) $(FILENAME)

Userspace/apps/sys/init/init.c

@@ -0,0 +1,27 @@
+/*
+	This file is part of Fennix C Library.
+
+	Fennix C Library is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix C Library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <errno.h>
+#include <assert.h>
+#include <stdlib.h>
+
+int main(int, char *[], char *[])
+{
+	printf("Hello, World!\n");
+	return 0;
+}