BuildSystem: Cleanup userspace directory layout

userspace programs are now in userspace/programs
userspace tests are now in userspace/tests

This makes listing userspace projects much cleaner. Libraries were
already separated to their own directory, so other programs should also.

kernel/include/kernel/Terminal/TTY.h

@@ -44,6 +44,8 @@ namespace Kernel
 		virtual BAN::ErrorOr<void> chmod_impl(mode_t) override;
 		virtual BAN::ErrorOr<void> chown_impl(uid_t, gid_t) override;
 
+		virtual BAN::ErrorOr<long> ioctl_impl(int, void*) override;
+
 		virtual bool can_read_impl() const override { return m_output.flush; }
 		virtual bool can_write_impl() const override { return true; }
 		virtual bool has_error_impl() const override { return false; }

kernel/kernel/Terminal/TTY.cpp

@@ -11,6 +11,7 @@
 
 #include <fcntl.h>
 #include <string.h>
+#include <stropts.h>
 #include <sys/banan-os.h>
 #include <sys/sysmacros.h>
 
@@ -122,6 +123,22 @@ namespace Kernel
 		return {};
 	}
 
+	BAN::ErrorOr<long> TTY::ioctl_impl(int request, void* argument)
+	{
+		switch (request)
+		{
+			case KD_LOADFONT:
+			{
+				auto absolute_path = TRY(Process::current().absolute_path_of(BAN::StringView(reinterpret_cast<const char*>(argument))));
+				auto new_font = TRY(LibFont::Font::load(absolute_path));
+				set_font(new_font);
+				return 0;
+			}
+			default:
+				return BAN::Error::from_errno(EINVAL);
+		}
+	}
+
 	void TTY::on_key_event(LibInput::KeyEvent event)
 	{
 		LockGuard _(m_mutex);

userspace/CMakeLists.txt

@@ -1,61 +1,6 @@
-set(USERSPACE_PROJECTS
-	cat
-	cat-mmap
-	chmod
-	cp
-	dd
-	dhcp-client
-	echo
-	getopt
-	http-server
-	id
-	image
-	init
-	loadkeys
-	ls
-	meminfo
-	mkdir
-	nslookup
-	poweroff
-	resolver
-	rm
-	Shell
-	sleep
-	snake
-	stat
-	sudo
-	sync
-	tee
-	Terminal
-	test
-	test-framebuffer
-	test-globals
-	test-mmap-shared
-	test-mouse
-	test-popen
-	test-sort
-	test-tcp
-	test-udp
-	test-unix-socket
-	test-window
-	touch
-	u8sum
-	whoami
-	WindowServer
-	yes
-)
-
-add_subdirectory(libraries)
-
 add_custom_target(userspace)
 
 #add_subdirectory(aoc2023)
-
-foreach(project ${USERSPACE_PROJECTS})
-	add_subdirectory(${project})
-	add_dependencies(userspace ${project})
-	# This is to allow cmake to link when libc updates
-	target_link_options(${project} PRIVATE -nolibc)
-	# Default compile options
-	target_compile_options(${project} PRIVATE -g -O2)
-endforeach()
+add_subdirectory(libraries)
+add_subdirectory(programs)
+add_subdirectory(tests)

userspace/libraries/LibC/include/stropts.h

@@ -101,6 +101,8 @@ struct str_list
 #define I_SWROPT	28
 #define I_UNLINK	29
 
+#define KD_LOADFONT	30
+
 #define FLUSHR	1
 #define FLUSHRW	2
 #define FLUSHW	3

userspace/programs/CMakeLists.txt

@@ -0,0 +1,45 @@
+set(USERSPACE_PROGRAMS
+	cat
+	cat-mmap
+	chmod
+	cp
+	dd
+	dhcp-client
+	echo
+	getopt
+	http-server
+	id
+	image
+	init
+	loadfont
+	loadkeys
+	ls
+	meminfo
+	mkdir
+	nslookup
+	poweroff
+	resolver
+	rm
+	Shell
+	sleep
+	snake
+	stat
+	sudo
+	sync
+	tee
+	Terminal
+	touch
+	u8sum
+	whoami
+	WindowServer
+	yes
+)
+
+foreach(project ${USERSPACE_PROGRAMS})
+	add_subdirectory(${project})
+	add_dependencies(userspace ${project})
+	# This is to allow cmake to link when libc updates
+	target_link_options(${project} PRIVATE -nolibc)
+	# Default compile options
+	target_compile_options(${project} PRIVATE -g -O2)
+endforeach()

userspace/programs/loadfont/CMakeLists.txt

@@ -0,0 +1,9 @@
+set(SOURCES
+	main.cpp
+)
+
+add_executable(loadfont ${SOURCES})
+banan_link_library(loadfont ban)
+banan_link_library(loadfont libc)
+
+install(TARGETS loadfont)

userspace/programs/loadfont/main.cpp

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stropts.h>
+#include <unistd.h>
+
+int usage(int ret, const char* argv0)
+{
+	FILE* fout = ret ? stderr : stdout;
+	fprintf(fout, "usage: %s FILE\n", argv0);
+	return ret;
+}
+
+int main(int argc, char** argv)
+{
+	if (argc != 2)
+		return usage(1, argv[0]);
+
+	if (!isatty(STDOUT_FILENO))
+	{
+		fprintf(stderr, "stdout is not tty\n");
+		return 1;
+	}
+
+	if (ioctl(STDOUT_FILENO, KD_LOADFONT, argv[1]) == -1)
+	{
+		perror("ioctl");
+		return 1;
+	}
+
+	return 0;
+}

userspace/test/CMakeLists.txt

@@ -1,8 +0,0 @@
-set(TEST_SOURCES
-	test.cpp
-)
-
-add_executable(test ${TEST_SOURCES})
-banan_link_library(test libc)
-
-install(TARGETS test OPTIONAL)

userspace/tests/CMakeLists.txt

@@ -0,0 +1,22 @@
+set(USERSPACE_TESTS
+	test-fork
+	test-framebuffer
+	test-globals
+	test-mmap-shared
+	test-mouse
+	test-popen
+	test-sort
+	test-tcp
+	test-udp
+	test-unix-socket
+	test-window
+)
+
+foreach(project ${USERSPACE_TESTS})
+	add_subdirectory(${project})
+	add_dependencies(userspace ${project})
+	# This is to allow cmake to link when libc updates
+	target_link_options(${project} PRIVATE -nolibc)
+	# Default compile options
+	target_compile_options(${project} PRIVATE -g -O2)
+endforeach()

userspace/tests/test-fork/CMakeLists.txt

@@ -0,0 +1,8 @@
+set(SOURCES
+	main.cpp
+)
+
+add_executable(test-fork ${SOURCES})
+banan_link_library(test-fork libc)
+
+install(TARGETS test-fork OPTIONAL)