user: reorganize the userland sources

25 files changed, 0 insertions, 1761 deletions

diff --git a/src/init/driver/ansiterm.c b/src/init/driver/ansiterm.c
deleted file mode 100644
index b7f0b04..0000000
--- a/src/init/driver/ansiterm.c
+++ /dev/null
@@ -1,103 +0,0 @@
-#include <init/driver/driver.h>
-#include <shared/syscalls.h>
-#include <stdbool.h>
-
-struct vga_cell {
-	unsigned char c;
-	unsigned char style;
-} __attribute__((__packed__));
-static struct vga_cell vga[80 * 25];
-
-static handle_t vga_fd;
-
-static struct {int x, y;} cursor = {0};
-static bool dirty = false;
-static bool pendingFlush = false;
-
-static void flush(void) {
-	size_t off = 0;
-	/* we have to do multiple write() calls if we're behind a shitty passthrough fs
-	 * i don't like this either */
-	while (off < sizeof(vga))
-		off += _syscall_write(vga_fd, (void*)vga + off, sizeof(vga) - off, off);
-	dirty = false;
-	pendingFlush = false;
-}
-
-static void scroll(void) {
-	for (size_t i = 0; i < 80 * 24; i++)
-		vga[i] = vga[i + 80];
-	for (size_t i = 80 * 24; i < 80 * 25; i++)
-		vga[i].c = ' ';
-	cursor.y--;
-	pendingFlush = true;
-}
-
-static void in_char(char c) {
-	switch (c) {
-		case '\n':
-			cursor.x = 0;
-			cursor.y++;
-			pendingFlush = true;
-			break;
-		case '\b':
-			if (--cursor.x < 0) cursor.x = 0;
-			break;
-		default:
-			vga[cursor.y * 80 + cursor.x++].c = c;
-	}
-
-	if (cursor.x >= 80) {
-		cursor.x = 0;
-		cursor.y++;
-	}
-	while (cursor.y >= 25) scroll();
-	dirty = true;
-}
-
-void ansiterm_drv(void) {
-	vga_fd = _syscall_open("/kdev/vga", 9, 0);
-	_syscall_read(vga_fd, vga, sizeof vga, 0);
-
-	// find first empty line
-	for (cursor.y = 0; cursor.y < 25; cursor.y++) {
-		for (cursor.x = 0; cursor.x < 80; cursor.x++) {
-			char c = vga[cursor.y * 80 + cursor.x].c;
-			if (c != ' ' && c != '\0') break;
-		}
-		if (cursor.x == 80) break;
-	}
-	cursor.x = 0;
-
-	for (int i = 0; i < 80 * 25; i++)
-		vga[i].style = 0x70;
-	flush();
-
-	static char buf[512];
-	struct fs_wait_response res;
-	while (!_syscall_fs_wait(buf, sizeof buf, &res)) {
-		switch (res.op) {
-			case VFSOP_OPEN:
-				if (res.flags & OPEN_CREATE) {
-					_syscall_fs_respond(NULL, -1, 0);
-					break;
-				}
-				// TODO check path
-				_syscall_fs_respond(NULL, 0, 0);
-				break;
-
-			case VFSOP_WRITE:
-				for (size_t i = 0; i < res.len; i++)
-					in_char(buf[i]);
-				/* if (pendingFlush) */ flush();
-				_syscall_fs_respond(NULL, res.len, 0);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0);
-				break;
-		}
-	}
-
-	_syscall_exit(1);
-}
diff --git a/src/init/driver/driver.h b/src/init/driver/driver.h
deleted file mode 100644
index 69c4529..0000000
--- a/src/init/driver/driver.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#pragma once
-
-void ansiterm_drv(void);
-void ps2_drv(void);
-void tmpfs_drv(void);
diff --git a/src/init/driver/ps2.c b/src/init/driver/ps2.c
deleted file mode 100644
index d01c522..0000000
--- a/src/init/driver/ps2.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <init/driver/driver.h>
-#include <shared/container/ring.h>
-#include <shared/syscalls.h>
-#include <stdbool.h>
-
-
-static const char keymap_lower[] = {
-	'\0', '\0', '1',  '2',  '3',  '4',  '5',  '6',  '7',  '8',  '9',  '0',  '-',  '=',  '\b', '\t',
-	'q',  'w',  'e',  'r',  't',  'y',  'u',  'i',  'o',  'p',  '[',  ']',  '\r', '\0', 'a',  's',
-	'd',  'f',  'g',  'h',  'j',  'k',  'l',  '\0', '\'', '`',  '\0', '\\', 'z',  'x',  'c',  'v',
-	'b',  'n',  'm',  ',',  '.',  '/',  '\0', '*',  '\0', ' ',  '\0', '\0', '\0', '\0', '\0', '\0',
-	'\0', '\0', '\0', '\0', '\0', '\0', '\0', '7',  '8',  '9',  '-',  '4',  '5',  '6',  '+',  '1',
-	'2',  '3',  '0',  '.',  '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
-	'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
-	'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
-};
-
-static const char keymap_upper[] = {
-	'\0', '\0', '!',  '@',  '#',  '$',  '%',  '^',  '&',  '*',  '(',  ')',  '_',  '+',  '\b', '\t',
-	'Q',  'W',  'E',  'R',  'T',  'Y',  'U',  'I',  'O',  'P',  '{',  '}',  '\r', '\0', 'A',  'S',
-	'D',  'F',  'G',  'H',  'J',  'K',  'L',  ':',  '"',  '~',  '\0', '|',  'Z',  'X',  'C',  'V',
-	'B',  'N',  'M',  '<',  '>',  '?',  '\0', '*',  '\0', ' ',  '\0', '\0', '\0', '\0', '\0', '\0',
-	'\0', '\0', '\0', '\0', '\0', '\0', '\0', '7',  '8',  '9',  '-',  '4',  '5',  '6',  '+',  '1',
-	'2',  '3',  '0',  '.',  '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
-	'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
-	'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
-};
-
-
-static volatile uint8_t backlog_buf[16];
-static volatile ring_t backlog = {(void*)backlog_buf, sizeof backlog_buf, 0, 0};
-
-static handle_t fd;
-
-static bool keys[0x80] = {0};
-
-static void parse_scancode(uint8_t s) {
-	bool ctrl  = keys[0x1D];
-	bool shift = keys[0x2A] || keys[0x36];
-	bool down = !(s & 0x80);
-	char c;
-	s &= 0x7f;
-	keys[s] = down;
-
-	c = shift ? keymap_upper[s] : keymap_lower[s];
-	if (ctrl && keymap_upper[s] >= 'A' && keymap_upper[s] <= 'Z')
-		c = keymap_upper[s] - 'A' + 1;
-	if (down && c) ring_put1b((void*)&backlog, c);
-}
-
-static void main_loop(void) {
-	static char buf[512];
-	struct fs_wait_response res;
-	int ret;
-	while (!_syscall_fs_wait(buf, sizeof buf, &res)) {
-		switch (res.op) {
-			case VFSOP_OPEN:
-				if (res.flags & OPEN_CREATE) {
-					_syscall_fs_respond(NULL, -1, 0);
-					break;
-				}
-				_syscall_fs_respond(NULL, 1, 0);
-				break;
-
-			case VFSOP_READ:
-				while (ring_size((void*)&backlog) == 0) {
-					/* read raw input until we have something to output */
-					int len = _syscall_read(fd, buf, sizeof buf, 0);
-					if (len == 0) break;
-					for (int i = 0; i < len; i++)
-						parse_scancode(buf[i]);
-				}
-				ret = ring_get((void*)&backlog, buf, res.capacity);
-				_syscall_fs_respond(buf, ret, 0);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0);
-				break;
-		}
-	}
-}
-
-void ps2_drv(void) {
-	fd = _syscall_open("/kdev/ps2", 9, 0);
-	if (fd < 0) _syscall_exit(1);
-
-	main_loop();
-	_syscall_exit(0);
-}
diff --git a/src/init/driver/tmpfs.c b/src/init/driver/tmpfs.c
deleted file mode 100644
index bbed095..0000000
--- a/src/init/driver/tmpfs.c
+++ /dev/null
@@ -1,95 +0,0 @@
-#include <init/malloc.h>
-#include <shared/mem.h>
-#include <shared/syscalls.h>
-#include <stddef.h>
-
-struct node {
-	const char *name;
-	size_t len;
-	struct node *next;
-};
-
-struct node *root = NULL;
-static struct node special_root;
-
-static struct node *lookup(const char *path, size_t len) {
-	for (struct node *iter = root; iter; iter = iter->next) {
-		if (iter->len == len && !memcmp(path, iter->name, len))
-			return iter;
-	}
-	return NULL;
-}
-
-static struct node *tmpfs_open(const char *path, struct fs_wait_response *res) {
-	if (res->len == 0) return NULL;
-	path++;
-	res->len--;
-
-	if (res->len == 0) return &special_root;
-
-	// no directory support (yet)
-	if (memchr(path, '/', res->len)) return NULL;
-
-	if (res->flags & OPEN_CREATE) {
-		if (lookup(path, res->len)) return NULL; /* already exists */
-		struct node *new = malloc(sizeof *new);
-		char *namebuf = malloc(res->len);
-		memcpy(namebuf, path, res->len);
-		new->name = namebuf;
-		new->len = res->len;
-		new->next = root;
-		root = new;
-		return new;
-	}
-
-	return lookup(path, res->len);
-}
-
-void tmpfs_drv(void) {
-	// TODO replace all the static allocations in drivers with mallocs
-	static char buf[512];
-	struct fs_wait_response res;
-	struct node *ptr;
-	while (!_syscall_fs_wait(buf, sizeof buf, &res)) {
-		switch (res.op) {
-			case VFSOP_OPEN:
-				ptr = tmpfs_open(buf, &res);
-				_syscall_fs_respond(ptr, ptr ? 0 : -1, 0);
-				break;
-
-			case VFSOP_READ:
-				if (res.id != &special_root) {
-					// rw unimplemented
-					_syscall_fs_respond(NULL, -1, 0);
-					break;
-				}
-				size_t buf_pos = 0;
-				size_t to_skip = res.offset;
-
-				for (struct node *iter = root; iter; iter = iter->next) {
-					if (iter->len <= to_skip) {
-						to_skip -= iter->len;
-						continue;
-					}
-
-					if (iter->len + buf_pos - to_skip >= sizeof(buf)) {
-						memcpy(buf + buf_pos, iter->name + to_skip, sizeof(buf) - buf_pos - to_skip);
-						buf_pos = sizeof(buf);
-						break;
-					}
-					memcpy(buf + buf_pos, iter->name + to_skip, iter->len - to_skip);
-					buf_pos += iter->len - to_skip;
-					buf[buf_pos++] = '\0';
-					to_skip = 0;
-				}
-				_syscall_fs_respond(buf, buf_pos, 0);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0);
-				break;
-		}
-	}
-
-	_syscall_exit(1);
-}
diff --git a/src/init/fs/misc.c b/src/init/fs/misc.c
deleted file mode 100644
index a218bf5..0000000
--- a/src/init/fs/misc.c
+++ /dev/null
@@ -1,168 +0,0 @@
-#include <init/fs/misc.h>
-#include <init/stdlib.h>
-#include <shared/flags.h>
-#include <shared/mem.h>
-#include <shared/syscalls.h>
-#include <stdbool.h>
-
-bool fork2_n_mount(const char *path) {
-	handle_t h;
-	if (_syscall_fork(FORK_NEWFS, &h) > 0) { /* parent */
-		_syscall_mount(h, path, strlen(path));
-		_syscall_close(h);
-		return true;
-	}
-	return false;
-}
-
-void fs_passthru(const char *prefix) {
-	struct fs_wait_response res;
-	const size_t buf_len = 1024;
-	char *buf = malloc(buf_len);
-	int prefix_len = prefix ? strlen(prefix) : 0;
-	if (!buf) _syscall_exit(1);
-
-	while (!_syscall_fs_wait(buf, buf_len, &res)) {
-		switch (res.op) {
-			case VFSOP_OPEN:
-				if (prefix) {
-					if (prefix_len + res.len > buf_len) {
-						_syscall_fs_respond(NULL, -1, 0);
-						break;
-					}
-
-					// TODO memmove
-					char tmp[64];
-					memcpy(tmp, buf, res.len);
-					memcpy(buf + prefix_len, tmp, res.len);
-					memcpy(buf, prefix, prefix_len);
-					res.len += prefix_len;
-				}
-				_syscall_fs_respond(NULL, _syscall_open(buf, res.len, res.flags), FSR_DELEGATE);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0);
-				break;
-		}
-	}
-	_syscall_exit(0);
-}
-
-void fs_whitelist(const char **list) {
-	struct fs_wait_response res;
-	const size_t buf_len = 1024;
-	char *buf = malloc(buf_len);
-	bool allow;
-	if (!buf) _syscall_exit(1);
-
-	while (!_syscall_fs_wait(buf, buf_len, &res)) {
-		switch (res.op) {
-			case VFSOP_OPEN:
-				allow = false;
-				// TODO reverse dir_inject
-				for (const char **iter = list; *iter; iter++) {
-					size_t len = strlen(*iter); // inefficient, whatever
-					if (len <= res.len && !memcmp(buf, *iter, len)) {
-						allow = true;
-						break;
-					}
-				}
-				_syscall_fs_respond(NULL, allow ? _syscall_open(buf, res.len, res.flags) : -1, FSR_DELEGATE);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0);
-				break;
-		}
-	}
-	_syscall_exit(0);
-}
-
-
-void fs_dir_inject(const char *path) {
-	struct fs_dir_handle {
-		const char *inject;
-		int delegate, inject_len;
-	};
-
-	const size_t path_len = strlen(path);
-	struct fs_wait_response res;
-	struct fs_dir_handle *data;
-	const size_t buf_len = 1024;
-	char *buf = malloc(buf_len);
-	int ret, inject_len;
-
-	if (!buf) _syscall_exit(1);
-
-	while (!_syscall_fs_wait(buf, buf_len, &res)) {
-		data = res.id;
-		switch (res.op) {
-			case VFSOP_OPEN:
-				if (buf[res.len - 1] == '/' &&
-						res.len < path_len && !memcmp(path, buf, res.len))
-				{
-					/* opening a directory that we're injecting into */
-
-					if (res.flags & OPEN_CREATE) {
-						_syscall_fs_respond(NULL, -1, 0);
-						break;
-					}
-
-					data = malloc(sizeof *data);
-					data->delegate = _syscall_open(buf, res.len, res.flags);
-					data->inject = path + res.len;
-
-					/* inject up to the next slash */
-					inject_len = 0;
-					while (data->inject[inject_len] && data->inject[inject_len] != '/')
-						inject_len++;
-					if (data->inject[inject_len] == '/')
-						inject_len++;
-					data->inject_len = inject_len;
-
-					_syscall_fs_respond(data, 0, 0);
-				} else {
-					_syscall_fs_respond(NULL, _syscall_open(buf, res.len, res.flags), FSR_DELEGATE);
-				}
-				break;
-
-			case VFSOP_CLOSE:
-				if (data->delegate >= 0)
-					_syscall_close(data->delegate);
-				_syscall_fs_respond(NULL, 0, 0);
-				break;
-
-			case VFSOP_READ:
-				if (res.offset > 0) _syscall_fs_respond(NULL, 0, 0); // TODO working offsets
-
-				int out_len = data->inject_len;
-				memcpy(buf, data->inject, out_len);
-				buf[out_len++] = '\0';
-
-				if (data->delegate >= 0) {
-					int to_read = res.capacity < buf_len ? res.capacity : buf_len;
-					to_read -= out_len;
-					ret = _syscall_read(data->delegate, buf + out_len, to_read, 0);
-					if (ret > 0) out_len += ret;
-					// TODO deduplicate entries
-				}
-
-				_syscall_fs_respond(buf, out_len, 0);
-				break;
-
-			case VFSOP_WRITE:
-				if (data->delegate >= 0)
-					ret = _syscall_write(data->delegate, buf, res.len, res.offset);
-				else
-					ret = -1;
-				_syscall_fs_respond(NULL, ret, 0);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0);
-				break;
-		}
-	}
-	_syscall_exit(0);
-}
diff --git a/src/init/fs/misc.h b/src/init/fs/misc.h
deleted file mode 100644
index d64ab1e..0000000
--- a/src/init/fs/misc.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#pragma once
-#include <init/stdlib.h>
-#include <stdbool.h>
-
-bool fork2_n_mount(const char *path);
-
-void fs_passthru(const char *prefix);
-void fs_whitelist(const char **list);
-
-void fs_dir_inject(const char *path);
-
-/** Mounts something and injects its path into the fs */
-// TODO path needs to have a trailing slash
-#define MOUNT(path, impl) \
-	if (!fork2_n_mount(path)) {_klogf("impl %s", path); impl;} \
-	if (!fork2_n_mount("/"))  {_klogf("dir for %s", path); fs_dir_inject(path);}
diff --git a/src/init/lib/esemaphore.c b/src/init/lib/esemaphore.c
deleted file mode 100644
index ac65b02..0000000
--- a/src/init/lib/esemaphore.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include <init/lib/esemaphore.h>
-#include <init/stdlib.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-
-void esem_signal(struct evil_sem *sem) {
-	_syscall_write(sem->signal, NULL, 0, 0);
-}
-
-void esem_wait(struct evil_sem *sem) {
-	_syscall_read(sem->wait, NULL, 0, 0);
-}
-
-struct evil_sem *esem_new(int value) {
-	handle_t ends_wait[2], ends_signal[2];
-	struct evil_sem *sem;
-
-	if (value < 0) return NULL;
-	if (_syscall_pipe(ends_wait, 0) < 0) return NULL;
-	if (_syscall_pipe(ends_signal, 0) < 0) goto fail_signal;
-	if (!(sem = malloc(sizeof *sem))) goto fail_malloc;
-
-	if (!_syscall_fork(FORK_NOREAP, NULL)) {
-		_syscall_close(ends_signal[1]);
-		while (_syscall_read(ends_signal[0], NULL, 0, 0) >= 0) {
-			if (!_syscall_fork(FORK_NOREAP, NULL)) {
-				_syscall_write(ends_wait[1], NULL, 0, 0);
-				_syscall_exit(0);
-			}
-		}
-		_syscall_exit(0);
-	}
-	_syscall_close(ends_signal[0]);
-	_syscall_close(ends_wait[1]);
-
-	sem->wait = ends_wait[0];
-	sem->signal = ends_signal[1];
-
-	while (value--) esem_signal(sem);
-	return sem;
-
-fail_malloc:
-	_syscall_close(ends_signal[0]);
-	_syscall_close(ends_signal[1]);
-fail_signal:
-	_syscall_close(ends_wait[0]);
-	_syscall_close(ends_wait[1]);
-	return NULL;
-}
-
-void esem_free(struct evil_sem *sem) {
-	_syscall_close(sem->wait);
-	_syscall_close(sem->signal);
-	free(sem);
-}
diff --git a/src/init/lib/esemaphore.h b/src/init/lib/esemaphore.h
deleted file mode 100644
index e746bd7..0000000
--- a/src/init/lib/esemaphore.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma once
-#include <shared/types.h>
-
-struct evil_sem {
-	handle_t wait, signal;
-};
-
-void esem_signal(struct evil_sem *sem);
-void esem_wait(struct evil_sem *sem);
-
-struct evil_sem *esem_new(int value);
-void esem_free(struct evil_sem *sem);
diff --git a/src/init/linker.ld b/src/init/linker.ld
deleted file mode 100644
index f2c9d24..0000000
--- a/src/init/linker.ld
+++ /dev/null
@@ -1,31 +0,0 @@
-ENTRY(main)
-OUTPUT_FORMAT("binary")
-
-SECTIONS
-{
-	. = 2M;
-	.text BLOCK(4K) : ALIGN(4K)
-	{
-		*(.text.startup)
-		*(.text)
-	}
-	.rodata BLOCK(4K) : ALIGN(4K)
-	{
-		*(.rodata)
-	}
-	.data BLOCK(4K) : ALIGN(4K)
-	{
-		*(.data)
-	}
-
-	_initrd = .; /* is just appended onto the end of the binary */
-	. += 2M;
-
-	_bss_start = .;
-	.bss BLOCK(4K) : ALIGN(4K)
-	{
-		*(COMMON)
-		*(.bss)
-	}
-	_bss_end = .;
-}
diff --git a/src/init/main.c b/src/init/main.c
deleted file mode 100644
index 88553e9..0000000
--- a/src/init/main.c
+++ /dev/null
@@ -1,89 +0,0 @@
-#include <init/driver/driver.h>
-#include <init/fs/misc.h>
-#include <init/shell.h>
-#include <init/stdlib.h>
-#include <init/tar.h>
-#include <init/tests/main.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-#include <stdint.h>
-
-extern char _bss_start; // provided by the linker
-extern char _bss_end;
-extern char _initrd;
-
-void read_file(const char *path, size_t len);
-
-__attribute__((section(".text.startup")))
-int main(void) {
-	// allocate bss
-	_syscall_memflag(&_bss_start, &_bss_end - &_bss_start, MEMFLAG_PRESENT);
-
-	file_reopen(stdout, "/com1", 0);
-	printf("preinit\n");
-
-	/* move everything provided by the kernel to /kdev */
-	MOUNT("/kdev/", fs_passthru(NULL));
-	if (!fork2_n_mount("/")) {
-		const char *l[] = {"/kdev/", NULL};
-		fs_whitelist(l);
-	}
-	if (!fork2_n_mount("/")) fs_dir_inject("/kdev/"); // TODO should be part of fs_whitelist
-
-	MOUNT("/init/", tar_driver(&_initrd));
-	MOUNT("/tmp/", tmpfs_drv());
-	MOUNT("/keyboard", ps2_drv());
-	MOUNT("/vga_tty", ansiterm_drv());
-
-	MOUNT("/bind/", fs_passthru(NULL));
-
-	if (_syscall_fork(0, NULL)) {
-		/* (used to) expose a bug in the kernel
-		 * the program will flow like this:
-		 * 1. we launch the forked init
-		 * 2. the forked init launches both shells
-		 * 3. one of the shells quit
-		 * 4. the forked init picks it up and quits
-		 *
-		 * then, in process_kill, the other shell will be deathbedded
-		 *
-		 * before i implement(ed) reparenting, it was a lingering running child
-		 * of a dead process, which is invalid state
-		 */
-		_syscall_await();
-		_syscall_exit(1);
-	}
-
-	if (!_syscall_fork(0, NULL)) {
-		if (!file_reopen(stdout, "/kdev/com1", 0)) {
-			printf("couldn't open /kdev/com1\n"); // TODO borked
-			_syscall_exit(1);
-		}
-		if (!file_reopen(stdin, "/kdev/com1", 0)) {
-			printf("couldn't open /kdev/com1\n");
-			_syscall_exit(1);
-		}
-
-		shell_loop();
-		_syscall_exit(1);
-	}
-
-
-	if (!_syscall_fork(0, NULL)) {
-		if (!file_reopen(stdout, "/vga_tty", 0)) {
-			printf("couldn't open /vga_tty\n"); // TODO borked
-			_syscall_exit(1);
-		}
-		if (!file_reopen(stdin, "/keyboard", 0)) {
-			printf("couldn't open /keyboard\n");
-			_syscall_exit(1);
-		}
-
-		shell_loop();
-		_syscall_exit(1);
-	}
-
-	_syscall_await();
-	printf("init: quitting\n");
-	_syscall_exit(0);
-}
diff --git a/src/init/malloc.c b/src/init/malloc.c
deleted file mode 100644
index eb63d82..0000000
--- a/src/init/malloc.c
+++ /dev/null
@@ -1,65 +0,0 @@
-#include <init/malloc.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-#include <stdbool.h>
-
-#include <init/stdlib.h>
-
-#define MBLOCK_MAGIC 0x1337BABE
-
-struct mblock {
-	uint32_t magic;
-	size_t length; // including this struct
-	bool used;
-	struct mblock *next;
-};
-
-static struct mblock *first = NULL, *last = NULL;
-static struct mblock *expand(size_t size);
-
-void *malloc(size_t size) {
-	struct mblock *iter = first;
-	size += sizeof(struct mblock);
-	while (iter) {
-		if (!iter->used && iter->length >= size)
-			break;
-		iter = iter->next;
-	}
-
-	if (!iter) iter = expand(size);
-	if (!iter) return NULL;
-
-	iter->used = true;
-	// TODO truncate and split
-
-	return &iter[1];
-}
-
-void free(void *ptr) {
-	struct mblock *block = ptr - sizeof(struct mblock);
-	if (block->magic != MBLOCK_MAGIC) {
-		// TODO debug log switch
-		printf("didn't find MBLOCK_MAGIC @ 0x%x\n", block);
-		return;
-	}
-
-	block->used = false;
-}
-
-static struct mblock *expand(size_t size) {
-	struct mblock *block = _syscall_memflag(0, size, MEMFLAG_PRESENT | MEMFLAG_FINDFREE);
-	if (!block) return NULL;
-
-	block->magic = MBLOCK_MAGIC;
-	block->length = size;
-	block->used = false;
-	block->next = NULL;
-
-	if (!first) first = block;
-	if (last) last->next = block;
-	last = block;
-
-	// TODO collapse
-
-	return block;
-}
diff --git a/src/init/malloc.h b/src/init/malloc.h
deleted file mode 100644
index 5916ebc..0000000
--- a/src/init/malloc.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#pragma once
-#include <stddef.h>
-
-void *malloc(size_t size);
-void free(void *ptr);
diff --git a/src/init/shell.c b/src/init/shell.c
deleted file mode 100644
index a4e96f9..0000000
--- a/src/init/shell.c
+++ /dev/null
@@ -1,171 +0,0 @@
-#include <init/shell.h>
-#include <init/stdlib.h>
-#include <init/tests/main.h>
-#include <shared/syscalls.h>
-#include <stdbool.h>
-
-static char *split(char *base) {
-	while (*base) {
-		if (*base == ' ' || *base == '\t') {
-			*base++ = '\0';
-			return base;
-		}
-		base++;
-	}
-	return NULL;
-}
-
-static int readline(char *buf, size_t max) {
-	char c;
-	size_t pos = 0;
-	while (file_read(stdin, &c, 1)) {
-		switch (c) {
-			case '\b':
-			case 0x7f:
-				/* for some reason backspace outputs 0x7f (DEL) */
-				if (pos != 0) {
-					printf("\b \b");
-					pos--;
-				}
-				break;
-			case '\n':
-			case '\r':
-				printf("\n");
-				buf[pos++] = '\0';
-				return pos;
-			default:
-				if (pos < max) {
-					printf("%c", c);
-					buf[pos] = c;
-					pos++;
-				}
-		}
-	}
-	return -1; // error
-}
-
-static void cmd_cat_ls(const char *args, bool ls) {
-	libc_file *file;
-	static char buf[512];
-	int len; // first used for strlen(args), then length of buffer
-
-	if (!args) args = "/";
-	len = strlen(args);
-	memcpy(buf, args, len + 1); // no overflow check - the shell is just a PoC
-
-	if (ls) { // paths to directories always have a trailing slash
-		char *p = buf;
-		while (*p) p++;
-		if (p[-1] != '/') {
-			p[0] = '/';
-			p[1] = '\0';
-			len++;
-		}
-	}
-
-	file = file_open(buf, 0);
-	if (!file) {
-		printf("couldn't open.\n");
-		return;
-	}
-
-	while (!file->eof) {
-		int len = file_read(file, buf, sizeof buf);
-		if (len <= 0) break;
-
-		if (ls) {
-			for (int i = 0; i < len; i++)
-				if (buf[i] == '\0') buf[i] = '\n';
-		}
-		file_write(stdout, buf, len);
-	}
-	file_close(file);
-}
-
-static void cmd_hexdump(const char *args) {
-	static uint8_t buf[512];
-	int fd, len;
-
-	fd = _syscall_open(args, strlen(args), 0);
-	if (fd < 0) {
-		printf("couldn't open.\n");
-		return;
-	}
-
-	len = _syscall_read(fd, buf, sizeof buf, 0);
-	for (int i = 0; i < len; i += 16) {
-		printf("%08x  ", i);
-
-		for (int j = i; j < i + 8 && j < len; j++)
-			printf("%02x ", buf[j]);
-		printf(" ");
-		for (int j = i + 8; j < i + 16 && j < len; j++)
-			printf("%02x ", buf[j]);
-		printf(" |");
-
-		for (int j = i; j < i + 16 && j < len; j++) {
-			char c = '.';
-			if (0x20 <= buf[j] && buf[j] < 0x7f) c = buf[j];
-			printf("%c", c);
-		}
-		printf("|\n");
-	}
-
-	_syscall_close(fd);
-}
-
-static void cmd_touch(const char *args) {
-	int fd = _syscall_open(args, strlen(args), OPEN_CREATE);
-	if (fd < 0) {
-		printf("couldn't create file.\n");
-		return;
-	}
-	_syscall_close(fd);
-}
-
-void shell_loop(void) {
-	static char cmd[256];
-	int level = 0;
-	char *args;
-
-	for (;;) {
-		printf("%x$ ", level);
-		readline(cmd, 256);
-		args = split(cmd);
-		if (!strcmp(cmd, "echo")) {
-			printf("%s\n", args);
-		} else if (!strcmp(cmd, "cat")) {
-			cmd_cat_ls(args, false);
-		} else if (!strcmp(cmd, "ls")) {
-			cmd_cat_ls(args, true);
-		} else if (!strcmp(cmd, "hexdump")) {
-			cmd_hexdump(args);
-		} else if (!strcmp(cmd, "catall")) {
-			const char *files[] = {
-				"/init/fake.txt",
-				"/init/1.txt", "/init/2.txt",
-				"/init/dir/3.txt", NULL};
-			for (int i = 0; files[i]; i++) {
-				printf("%s:\n", files[i]);
-				cmd_cat_ls(files[i], false);
-				printf("\n");
-			}
-		} else if (!strcmp(cmd, "touch")) {
-			cmd_touch(args);
-		} else if (!strcmp(cmd, "shadow")) {
-			_syscall_mount(-1, args, strlen(args));
-		} else if (!strcmp(cmd, "exit")) {
-			_syscall_exit(0);
-		} else if (!strcmp(cmd, "fork")) {
-			if (_syscall_fork(0, NULL))
-				_syscall_await();
-			else level++;
-		} else if (!strcmp(cmd, "run_tests")) {
-			test_all();
-		} else if (!strcmp(cmd, "stress")) {
-			stress_all();
-		} else {
-			printf("unknown command :(\n");
-		}
-	}
-}
diff --git a/src/init/shell.h b/src/init/shell.h
deleted file mode 100644
index fb27410..0000000
--- a/src/init/shell.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#pragma once
-
-void shell_loop(void);
diff --git a/src/init/stdlib.c b/src/init/stdlib.c
deleted file mode 100644
index 4d26c2e..0000000
--- a/src/init/stdlib.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include <init/stdlib.h>
-#include <shared/printf.h>
-#include <shared/syscalls.h>
-
-// TODO oh god this garbage - malloc, actually open, [...]
-static libc_file _stdin_null  = { .fd = 0 };
-static libc_file _stdout_null = { .fd = 1 };
-
-libc_file *stdin = &_stdin_null, *stdout = &_stdout_null;
-
-static void backend_file(void *arg, const char *buf, size_t len) {
-	file_write((libc_file*)arg, buf, len);
-}
-
-int printf(const char *fmt, ...) {
-	int ret = 0;
-	va_list argp;
-	va_start(argp, fmt);
-	ret = __printf_internal(fmt, argp, backend_file, (void*)stdout);
-	va_end(argp);
-	return ret;
-}
-
-static void backend_buf(void *arg, const char *buf, size_t len) {
-	char **ptrs = arg;
-	size_t space = ptrs[1] - ptrs[0];
-	if (len > space) len = space;
-	memcpy(ptrs[0], buf, len);
-	ptrs[0] += len;
-}
-
-int snprintf(char *str, size_t len, const char *fmt, ...) {
-	int ret = 0;
-	char *ptrs[2] = {str, str + len};
-	va_list argp;
-	va_start(argp, fmt);
-	ret = __printf_internal(fmt, argp, backend_buf, &ptrs);
-	va_end(argp);
-	if (ptrs[0] < ptrs[1]) *ptrs[0] = '\0';
-	return ret;
-}
-
-int _klogf(const char *fmt, ...) {
-	// idiotic. however, this hack won't matter anyways
-	char buf[256];
-	int ret = 0;
-	char *ptrs[2] = {buf, buf + sizeof buf};
-	va_list argp;
-	va_start(argp, fmt);
-	ret = __printf_internal(fmt, argp, backend_buf, &ptrs);
-	va_end(argp);
-	if (ptrs[0] < ptrs[1]) *ptrs[0] = '\0';
-	_syscall_debug_klog(buf, ret);
-	return ret;
-}
-
-
-libc_file *file_open(const char *path, int flags) {
-	handle_t h = _syscall_open(path, strlen(path), flags);
-	libc_file *f;
-	if (h < 0) return NULL;
-
-	f = malloc(sizeof *f);
-	if (!f) {
-		_syscall_close(h);
-		return NULL;
-	}
-	f->pos = 0;
-	f->eof = false;
-	f->fd = h;
-	return f;
-}
-
-libc_file *file_reopen(libc_file *f, const char *path, int flags) {
-	/* partially based on the musl implementation of freopen */
-	libc_file *f2;
-	if (!path) goto fail;
-	f2 = file_open(path, flags);
-	if (!f2) goto fail;
-
-	/* shouldn't happen, but if it happens, let's roll with it. */
-	if (f->fd == f2->fd) f2->fd = -1;
-
-	if (_syscall_dup(f2->fd, f->fd, 0) < 0) goto fail2;
-	f->pos = f2->pos;
-	f->eof = f2->eof;
-	file_close(f2);
-	return f;
-
-fail2:
-	file_close(f2);
-fail:
-	file_close(f);
-	return NULL;
-}
-
-int file_read(libc_file *f, char *buf, size_t len) {
-	if (f->fd < 0) return -1;
-
-	int res = _syscall_read(f->fd, buf, len, f->pos);
-	if (res < 0) return res;
-	if (res == 0 && len > 0) f->eof = true;
-	f->pos += res;
-	return res;
-}
-
-int file_write(libc_file *f, const char *buf, size_t len) {
-	if (f->fd < 0) return -1;
-
-	int res = _syscall_write(f->fd, buf, len, f->pos);
-	if (res < 0) return res;
-	f->pos += res;
-	return res;
-}
-
-void file_close(libc_file *f) {
-	if (f->fd > 0) _syscall_close(f->fd);
-	if (f != &_stdin_null && f != &_stdout_null)
-		free(f);
-}
diff --git a/src/init/stdlib.h b/src/init/stdlib.h
deleted file mode 100644
index e1e753d..0000000
--- a/src/init/stdlib.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#pragma once
-#include <init/malloc.h>
-#include <shared/mem.h>
-#include <stdbool.h>
-#include <stddef.h>
-
-int printf(const char *fmt, ...);
-int snprintf(char *str, size_t len, const char *fmt, ...);
-
-int _klogf(const char *fmt, ...); // for kernel debugging only
-
-typedef struct {
-	int fd;
-	int pos;
-	bool eof;
-} libc_file;
-libc_file *file_open(const char *path, int flags);
-libc_file *file_reopen(libc_file*, const char *path, int flags);
-int file_read(libc_file*, char *buf, size_t len);
-int file_write(libc_file*, const char *buf, size_t len);
-void file_close(libc_file*);
-
-extern libc_file *stdin, *stdout;
diff --git a/src/init/syscall.s b/src/init/syscall.s
deleted file mode 100644
index 0af49f3..0000000
--- a/src/init/syscall.s
+++ /dev/null
@@ -1,24 +0,0 @@
-.section .text
-.global _syscall
-.type _syscall, @function
-_syscall:
-	push %ebx // preserve registers
-	push %esi
-	push %edi
-	push %ebp
-
-	mov 20(%esp), %eax
-	mov 24(%esp), %ebx
-	mov %esp, %ecx
-	mov $_syscall_ret, %edx
-	mov 28(%esp), %esi
-	mov 32(%esp), %edi
-	mov 36(%esp), %ebp
-	sysenter
-
-_syscall_ret:
-	pop %ebp
-	pop %edi
-	pop %esi
-	pop %ebx
-	ret
diff --git a/src/init/syscalls.c b/src/init/syscalls.c
deleted file mode 100644
index 7c2bb68..0000000
--- a/src/init/syscalls.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/* generated by tools/syscall_wrappers.awk
- * don't modify manually, instead run:
- *     make src/init/syscalls.c
- */
-#include <shared/syscalls.h>
-
-
-_Noreturn void _syscall_exit(int ret) {
-	_syscall(_SYSCALL_EXIT, ret, 0, 0, 0);
-	__builtin_unreachable();
-}
-
-int _syscall_await(void) {
-	return _syscall(_SYSCALL_AWAIT, 0, 0, 0, 0);
-}
-
-int _syscall_fork(int flags, handle_t __user *fs_front) {
-	return _syscall(_SYSCALL_FORK, flags, (int)fs_front, 0, 0);
-}
-
-handle_t _syscall_open(const char __user *path, int len, int flags) {
-	return (handle_t)_syscall(_SYSCALL_OPEN, (int)path, len, flags, 0);
-}
-
-int _syscall_mount(handle_t h, const char __user *path, int len) {
-	return _syscall(_SYSCALL_MOUNT, (int)h, (int)path, len, 0);
-}
-
-handle_t _syscall_dup(handle_t from, handle_t to, int flags) {
-	return (handle_t)_syscall(_SYSCALL_DUP, (int)from, (int)to, flags, 0);
-}
-
-int _syscall_read(handle_t h, void __user *buf, size_t len, int offset) {
-	return _syscall(_SYSCALL_READ, (int)h, (int)buf, (int)len, offset);
-}
-
-int _syscall_write(handle_t h, const void __user *buf, size_t len, int offset) {
-	return _syscall(_SYSCALL_WRITE, (int)h, (int)buf, (int)len, offset);
-}
-
-int _syscall_close(handle_t h) {
-	return _syscall(_SYSCALL_CLOSE, (int)h, 0, 0, 0);
-}
-
-int _syscall_fs_wait(char __user *buf, int max_len, struct fs_wait_response __user *res) {
-	return _syscall(_SYSCALL_FS_WAIT, (int)buf, max_len, (int)res, 0);
-}
-
-int _syscall_fs_respond(void __user *buf, int ret, int flags) {
-	return _syscall(_SYSCALL_FS_RESPOND, (int)buf, ret, flags, 0);
-}
-
-void __user *_syscall_memflag(void __user *addr, size_t len, int flags) {
-	return (void __user *)_syscall(_SYSCALL_MEMFLAG, (int)addr, (int)len, flags, 0);
-}
-
-int _syscall_pipe(handle_t __user user_ends[2], int flags) {
-	return _syscall(_SYSCALL_PIPE, (int)user_ends, flags, 0, 0);
-}
-
-void _syscall_debug_klog(const void __user *buf, size_t len) {
-	return (void)_syscall(_SYSCALL_DEBUG_KLOG, (int)buf, (int)len, 0, 0);
-}
-
diff --git a/src/init/tar.c b/src/init/tar.c
deleted file mode 100644
index 87236ae..0000000
--- a/src/init/tar.c
+++ /dev/null
@@ -1,162 +0,0 @@
-#include <init/stdlib.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-#include <stdint.h>
-
-#define BUF_SIZE 64
-
-static void *tar_open(const char *path, int len, void *base, size_t base_len);
-static void tar_read(struct fs_wait_response *res, void *base, size_t base_len);
-static int tar_size(void *sector);
-static void *tar_find(const char *path, size_t path_len, void *base, size_t base_len);
-static int oct_parse(char *str, size_t len);
-
-
-static const char *root_fakemeta = ""; /* see comment in tar_open */
-
-
-void tar_driver(void *base) {
-	static char buf[BUF_SIZE];
-	struct fs_wait_response res;
-	void *ptr;
-	while (!_syscall_fs_wait(buf, BUF_SIZE, &res)) {
-		switch (res.op) {
-			case VFSOP_OPEN:
-				if (res.flags & OPEN_CREATE) {
-					_syscall_fs_respond(NULL, -1, 0);
-					break;
-				}
-				ptr = tar_open(buf, res.len, base, ~0);
-				_syscall_fs_respond(ptr, ptr ? 0 : -1, 0);
-				break;
-
-			case VFSOP_READ:
-				tar_read(&res, base, ~0);
-				break;
-
-			default:
-				_syscall_fs_respond(NULL, -1, 0); // unsupported
-				break;
-		}
-	}
-	_syscall_exit(0);
-}
-
-static void *tar_open(const char *path, int len, void *base, size_t base_len) {
-	if (len <= 0) return NULL;
-	path += 1; // skip the leading slash
-	len  -= 1;
-
-	/* TAR archives don't (seem to) contain an entry for the root dir, so i'm
-	 * returning a fake one. this isn't a full entry because i'm currently too
-	 * lazy to create a full one - thus, it has to be special cased in tar_read */
-	if (len == 0)
-		return (void*)root_fakemeta;
-
-	return tar_find(path, len, base, base_len);
-}
-
-static void tar_read(struct fs_wait_response *res, void *base, size_t base_len) {
-	void *meta =  (void*)res->id;
-	char  type = *(char*)(meta + 156);
-	size_t meta_len;
-	int size;
-
-	static char buf[BUF_SIZE]; // TODO reuse a single buffer
-	size_t buf_pos = 0;
-
-	if (meta == root_fakemeta) type = '5'; /* see comment in tar_open() */
-
-	switch (type) {
-		case '\0':
-		case '0': /* normal files */
-			size = tar_size(meta);
-			if (res->offset < 0 || res->offset > size) {
-				// TODO support negative offsets
-				_syscall_fs_respond(NULL, -1, 0);
-			} else {
-				_syscall_fs_respond(meta + 512 + res->offset, size - res->offset, 0);
-			}
-			break;
-
-		case '5': /* directory */
-			meta_len = strlen(meta);
-			size_t to_skip = res->offset;
-
-			/* find files in dir */
-			for (size_t off = 0; off < base_len;) {
-				if (0 != memcmp(base + off + 257, "ustar", 5))
-					break; // not a metadata sector
-				// TODO more meaningful variable names and clean code up
-
-				/* check if prefix matches */
-				if (0 == memcmp(base + off, meta, meta_len) &&
-						*(char*)(base + off + meta_len) != '\0') {
-					char *suffix = base + off + meta_len;
-					size_t suffix_len = strlen(suffix);
-
-					/* check if the path contains any non-trailing slashes */
-					char *next = suffix;
-					while (*next && *next != '/') next++;
-					if (*next == '/') next++;
-					if (*next == '\0') {
-						if (to_skip > suffix_len) {
-							to_skip -= suffix_len;
-						} else {
-							suffix += to_skip;
-							suffix_len -= to_skip;
-							to_skip = 0;
-
-							/* it doesn't - so let's add it to the result */
-							memcpy(buf + buf_pos, suffix, suffix_len);
-							buf[buf_pos + suffix_len] = '\0';
-							buf_pos += suffix_len + 1;
-							// TODO no buffer overrun check
-						}
-					}
-				}
-
-				size = tar_size(base + off);
-				off += 512;                 // skip this metadata sector
-				off += (size + 511) & ~511; // skip the data sectors
-			}
-
-			_syscall_fs_respond(buf, buf_pos, 0);
-			break;
-
-		default:
-			_syscall_fs_respond(NULL, -1, 0);
-			break;
-	}
-}
-
-static int tar_size(void *sector) {
-	return oct_parse(sector + 124, 11);
-}
-
-static void *tar_find(const char *path, size_t path_len, void *base, size_t base_len) {
-	int size;
-	if (path_len > 100) return NULL; // illegal path
-
-	for (size_t off = 0; off < base_len;) {
-		if (0 != memcmp(base + off + 257, "ustar", 5))
-			break; // not a metadata sector
-		if (0 == memcmp(base + off, path, path_len) &&
-				*(char*)(base + off + path_len) == '\0')
-			return base + off; // file found, quit
-
-		size = tar_size(base + off);
-		off += 512;                 // skip this metadata sector
-		off += (size + 511) & ~511; // skip the data sectors
-	}
-	return NULL;
-}
-
-static int oct_parse(char *str, size_t len) {
-	int res = 0;
-	for (size_t i = 0; i < len; i++) {
-		res *= 8;
-		res += str[i] - '0'; // no format checking
-	}
-	return res;
-}
diff --git a/src/init/tar.h b/src/init/tar.h
deleted file mode 100644
index c1dee78..0000000
--- a/src/init/tar.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#pragma once
-#include <shared/types.h>
-
-_Noreturn void tar_driver(void *base);
diff --git a/src/init/tests/main.c b/src/init/tests/main.c
deleted file mode 100644
index 97ed798..0000000
--- a/src/init/tests/main.c
+++ /dev/null
@@ -1,205 +0,0 @@
-#define TEST_MACROS
-#include <init/stdlib.h>
-#include <init/tests/main.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-
-static void run_forked(void (*fn)()) {
-	if (!_syscall_fork(0, NULL)) {
-		fn();
-		_syscall_exit(0);
-	} else {
-		/* successful tests must return 0
-		 * TODO add a better fail msg */
-		if (_syscall_await() != 0) test_fail();
-	}
-}
-
-
-
-static void test_await(void) {
-	/* creates 16 child processes, each returning a different value. then checks
-	 * if await() returns every value exactly once */
-	int ret;
-	int counts[16] = {0};
-
-	for (int i = 0; i < 16; i++)
-		if (!_syscall_fork(0, NULL))
-			_syscall_exit(i);
-
-	while ((ret = _syscall_await()) != ~0) {
-		assert(0 <= ret && ret < 16);
-		counts[ret]++;
-	}
-
-	for (int i = 0; i < 16; i++)
-		assert(counts[i] == 1);
-}
-
-static void test_faults(void) {
-	/* tests what happens when child processes fault.
-	 * expected behavior: parent processes still manages to finish, and it can
-	 * reap all its children */
-	int await_cnt = 0;
-
-	if (!_syscall_fork(0, NULL)) { // invalid memory access
-		asm volatile("movb $69, 0" ::: "memory");
-		printf("this shouldn't happen");
-		_syscall_exit(-1);
-	}
-	if (!_syscall_fork(0, NULL)) { // #GP
-		asm volatile("hlt" ::: "memory");
-		printf("this shouldn't happen");
-		_syscall_exit(-1);
-	}
-
-	while (_syscall_await() != ~0) await_cnt++;
-	assert(await_cnt == 2);
-}
-
-static void test_interrupted_fs(void) {
-	handle_t h;
-	if (_syscall_fork(FORK_NEWFS, &h)) { /* child */
-		// TODO make a similar test with all 0s passed to fs_wait
-		struct fs_wait_response res;
-		_syscall_fs_wait(NULL, 0, &res);
-		_syscall_exit(0);
-	} else { /* parent */
-		_syscall_mount(h, "/", 1);
-		int ret = _syscall_open("/", 1, 0);
-		// the handler quits while handling that call - but this syscall should return anyways
-		_syscall_exit(ret < 0 ? 0 : -1);
-	}
-}
-
-static void test_orphaned_fs(void) {
-	handle_t h;
-	if (_syscall_fork(FORK_NEWFS, &h)) { /* child */
-		_syscall_exit(0);
-	} else { /* parent */
-		_syscall_mount(h, "/", 1);
-		int ret = _syscall_open("/", 1, 0);
-		// no handler will ever be available to handle this call - the syscall should instantly return
-		_syscall_exit(ret < 0 ? 0 : -1);
-	}
-}
-
-static void test_memflag(void) {
-	void *page = (void*)0x77777000;
-	_syscall_memflag(page, 4096, MEMFLAG_PRESENT); // allocate page
-	memset(page, 77, 4096); // write to it
-	_syscall_memflag(page, 4096, 0); // free it
-
-	if (!_syscall_fork(0, NULL)) {
-		memset(page, 11, 4096); // should segfault
-		_syscall_exit(0);
-	} else {
-		assert(_syscall_await() != 0); // test if the process crashed
-	}
-
-	char *pages[4];
-	for (size_t i = 0; i < 4; i++) {
-		pages[i] = _syscall_memflag(NULL, 4096, MEMFLAG_FINDFREE);
-		printf("[test_memflag] findfree: 0x%x\n", pages[i]);
-
-		assert(pages[i] == _syscall_memflag(NULL, 4096, MEMFLAG_FINDFREE | MEMFLAG_PRESENT));
-		if (i > 0) assert(pages[i] != pages[i-1]);
-		*pages[i] = 0x77;
-	}
-
-	for (size_t i = 0; i < 4; i++)
-		_syscall_memflag(pages, 4096, MEMFLAG_PRESENT);
-
-	// TODO check if reclaims
-}
-
-static void test_dup(void) {
-	handle_t pipe[2];
-	handle_t h1, h2;
-	assert(_syscall_pipe(pipe, 0) >= 0);
-
-	if (!_syscall_fork(0, NULL)) {
-		_syscall_close(pipe[0]);
-
-		h1 = _syscall_dup(pipe[1], -1, 0);
-		assert(h1 >= 0);
-		assert(h1 != pipe[1]);
-		h2 = _syscall_dup(h1, -1, 0);
-		assert(h2 >= 0);
-		assert(h2 != pipe[1] && h2 != h1);
-
-		_syscall_write(pipe[1], "og", 2, 0);
-		_syscall_write(h1, "h1", 2, 0);
-		_syscall_write(h2, "h2", 2, 0);
-
-		_syscall_close(pipe[1]);
-		_syscall_write(h1, "h1", 2, 0);
-		_syscall_write(h2, "h2", 2, 0);
-
-		assert(_syscall_dup(h1, pipe[1], 0) == pipe[1]);
-		assert(_syscall_dup(h2, pipe[1], 0) == pipe[1]);
-		assert(_syscall_dup(h1, pipe[1], 0) == pipe[1]);
-		assert(_syscall_dup(h2, pipe[1], 0) == pipe[1]);
-		_syscall_close(h1);
-		_syscall_close(h2);
-
-		assert(_syscall_dup(pipe[1], h2, 0) == h2);
-		_syscall_write(h2, "h2", 2, 0);
-		_syscall_close(h2);
-
-		assert(_syscall_dup(pipe[1], h1, 0) == h1);
-		_syscall_write(h1, "h1", 2, 0);
-		_syscall_close(h1);
-
-		_syscall_exit(0);
-	} else {
-		char buf[16];
-		size_t count = 0;
-		_syscall_close(pipe[1]);
-		while (_syscall_read(pipe[0], buf, sizeof buf, 0) >= 0)
-			count++;
-		assert(count == 7);
-		_syscall_await();
-	}
-
-
-	_syscall_close(pipe[0]);
-}
-
-static void test_malloc(void) {
-	// not really a test
-	void *p1, *p2;
-
-	p1 = malloc(420);
-	printf("p1 = 0x%x\n", p1);
-
-	p2 = malloc(1024);
-	printf("p2 = 0x%x\n", p2);
-	free(p2);
-	p2 = malloc(256);
-	printf("p2 = 0x%x\n", p2);
-	free(p2);
-	p2 = malloc(4096);
-	printf("p2 = 0x%x\n", p2);
-	free(p2);
-
-	free(p1);
-}
-
-static void test_misc(void) {
-	assert(_syscall(~0, 0, 0, 0, 0) < 0); /* try making an invalid syscall */
-}
-
-
-void test_all(void) {
-	run_forked(test_await);
-	run_forked(test_faults);
-	run_forked(test_interrupted_fs);
-	run_forked(test_orphaned_fs);
-	run_forked(test_memflag);
-	run_forked(test_dup);
-	run_forked(test_malloc);
-	run_forked(test_pipe);
-	run_forked(test_semaphore);
-	run_forked(test_misc);
-}
diff --git a/src/init/tests/main.h b/src/init/tests/main.h
deleted file mode 100644
index ed11c5e..0000000
--- a/src/init/tests/main.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-
-void stress_all(void);
-void test_all(void);
-
-void test_pipe(void);
-void test_semaphore(void);
-
-#ifdef TEST_MACROS
-
-#define argify(str) str, sizeof(str) - 1
-#define test_fail() do { \
-	printf("\033[31m" "TEST FAILED: %s:%xh\n" "\033[0m", __func__, __LINE__); \
-	_syscall_exit(0); \
-} while (0)
-#define assert(cond) if (!(cond)) test_fail();
-
-#endif
diff --git a/src/init/tests/pipe.c b/src/init/tests/pipe.c
deleted file mode 100644
index 8e9d243..0000000
--- a/src/init/tests/pipe.c
+++ /dev/null
@@ -1,116 +0,0 @@
-#define TEST_MACROS
-#include <init/stdlib.h>
-#include <init/tests/main.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-
-static const char *pipe_msgs[2] = {"hello", "world"};
-
-void test_pipe(void) {
-	handle_t ends[2];
-	char buf[16];
-	int ret;
-
-	/* test regular reads / writes */
-	assert(_syscall_pipe(ends, 0) >= 0);
-	if (!_syscall_fork(0, NULL)) {
-		/* those repeated asserts ensure that you can't read/write to the wrong ends */
-		assert(_syscall_read(ends[1], buf, 16, 0) < 0);
-		assert(_syscall_write(ends[0], buf, 16, 0) < 0);
-
-		ret = _syscall_write(ends[1], pipe_msgs[0], 5, -1);
-		assert(ret == 5);
-
-		assert(_syscall_read(ends[1], buf, 16, 0) < 0);
-		assert(_syscall_write(ends[0], buf, 16, 0) < 0);
-
-		ret = _syscall_write(ends[1], pipe_msgs[1], 5, -1);
-		assert(ret == 5);
-
-		_syscall_exit(0);
-	} else {
-		assert(_syscall_read(ends[1], buf, 16, 0) < 0);
-		assert(_syscall_write(ends[0], buf, 16, 0) < 0);
-
-		ret = _syscall_read(ends[0], buf, 16, 0);
-		assert(ret == 5);
-		assert(!memcmp(buf, pipe_msgs[0], 5));
-
-		assert(_syscall_read(ends[1], buf, 16, 0) < 0);
-		assert(_syscall_write(ends[0], buf, 16, 0) < 0);
-
-		_syscall_read(ends[0], buf, 16, 0);
-		assert(ret == 5);
-		assert(!memcmp(buf, pipe_msgs[1], 5));
-
-		_syscall_await();
-	}
-	_syscall_close(ends[0]);
-	_syscall_close(ends[1]);
-
-
-	/* writing to pipes with one end closed */
-	assert(_syscall_pipe(ends, 0) >= 0);
-	for (int i = 0; i < 16; i++) {
-		if (!_syscall_fork(0, NULL)) {
-			_syscall_close(ends[1]);
-			assert(_syscall_read(ends[0], buf, 16, 0) < 0);
-			_syscall_exit(0);
-		}
-	}
-	_syscall_close(ends[1]);
-	for (int i = 0; i < 16; i++)
-		_syscall_await();
-	_syscall_close(ends[0]);
-
-	assert(_syscall_pipe(ends, 0) >= 0);
-	for (int i = 0; i < 16; i++) {
-		if (!_syscall_fork(0, NULL)) {
-			_syscall_close(ends[0]);
-			assert(_syscall_write(ends[1], buf, 16, 0) < 0);
-			_syscall_exit(0);
-		}
-	}
-	_syscall_close(ends[0]);
-	for (int i = 0; i < 16; i++)
-		_syscall_await();
-	_syscall_close(ends[1]);
-
-
-	/* queueing */
-	assert(_syscall_pipe(ends, 0) >= 0);
-	for (int i = 0; i < 16; i++) {
-		if (!_syscall_fork(0, NULL)) {
-			assert(_syscall_write(ends[1], pipe_msgs[0], 5, -1) == 5);
-			_syscall_exit(0);
-		}
-	}
-	_syscall_close(ends[1]);
-	for (int i = 0; i < 16; i++) {
-		assert(_syscall_read(ends[0], buf, sizeof buf, 0) == 5);
-		_syscall_await();
-	}
-	assert(_syscall_read(ends[0], buf, sizeof buf, 0) < 0);
-	_syscall_close(ends[0]);
-
-	assert(_syscall_pipe(ends, 0) >= 0);
-	for (int i = 0; i < 16; i++) {
-		if (!_syscall_fork(0, NULL)) {
-			memset(buf, 0, sizeof buf);
-			assert(_syscall_read(ends[0], buf, 5, -1) == 5);
-			assert(!memcmp(buf, pipe_msgs[1], 5));
-			_syscall_exit(0);
-		}
-	}
-	_syscall_close(ends[0]);
-	for (int i = 0; i < 16; i++) {
-		assert(_syscall_write(ends[1], pipe_msgs[1], 5, -1) == 5);
-		_syscall_await();
-	}
-	assert(_syscall_write(ends[1], pipe_msgs[1], 5, -1) < 0);
-	_syscall_close(ends[1]);
-
-
-	// not a to.do detect when all processes that can read are stuck on writing to the pipe and vice versa
-	// it seems like linux just lets the process hang endlessly.
-}
diff --git a/src/init/tests/semaphore.c b/src/init/tests/semaphore.c
deleted file mode 100644
index cb47d41..0000000
--- a/src/init/tests/semaphore.c
+++ /dev/null
@@ -1,89 +0,0 @@
-#define TEST_MACROS
-#include <init/lib/esemaphore.h>
-#include <init/stdlib.h>
-#include <init/tests/main.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-
-static void odd(handle_t out, struct evil_sem *sem1, struct evil_sem *sem2) {
-	_syscall_write(out, "1", 1, -1);
-	esem_signal(sem1);
-
-	esem_wait(sem2);
-	_syscall_write(out, "3", 1, -1);
-	esem_signal(sem1);
-
-	esem_wait(sem2);
-	_syscall_write(out, "5", 1, -1);
-	esem_signal(sem1);
-}
-
-static void even(handle_t out, struct evil_sem *sem1, struct evil_sem *sem2) {
-	esem_wait(sem1);
-	_syscall_write(out, "2", 1, -1);
-	esem_signal(sem2);
-
-	esem_wait(sem1);
-	_syscall_write(out, "4", 1, -1);
-	esem_signal(sem2);
-
-	esem_wait(sem1);
-	_syscall_write(out, "6", 1, -1);
-	esem_signal(sem2);
-}
-
-void test_semaphore(void) {
-	struct evil_sem *sem1, *sem2;
-	handle_t pipe[2];
-	assert(_syscall_pipe(pipe, 0) >= 0);
-
-	if (!_syscall_fork(0, NULL)) {
-		sem1 = esem_new(0);
-		sem2 = esem_new(0);
-		assert(sem1 && sem2);
-		if (!_syscall_fork(0, NULL)) {
-			odd(pipe[1], sem1, sem2);
-			_syscall_exit(69);
-		} else {
-			even(pipe[1], sem1, sem2);
-			assert(_syscall_await() == 69);
-		}
-		esem_free(sem1);
-		esem_free(sem2);
-
-		_syscall_write(pipe[1], "|", 1, -1);
-
-		sem1 = esem_new(0);
-		sem2 = esem_new(0);
-		assert(sem1 && sem2);
-		if (!_syscall_fork(0, NULL)) {
-			even(pipe[1], sem1, sem2);
-			_syscall_exit(69);
-		} else {
-			odd(pipe[1], sem1, sem2);
-			assert(_syscall_await() == 69);
-			_syscall_await();
-		}
-		esem_free(sem1);
-		esem_free(sem2);
-
-		_syscall_exit(0);
-	} else {
-		_syscall_close(pipe[1]);
-
-		char buf[16];
-		size_t pos = 0;
-		for (;;) {
-			int ret = _syscall_read(pipe[0], buf + pos, sizeof(buf) - pos, 0);
-			if (ret < 0) break;
-			pos += ret;
-		}
-		buf[pos] = '\0'; // idc about the "potential" overflow
-		if (strcmp(buf, "123456|123456")) {
-			printf("%s\n", buf);
-			test_fail();
-		}
-
-		_syscall_await();
-	}
-}
diff --git a/src/init/tests/stress.c b/src/init/tests/stress.c
deleted file mode 100644
index 11c30cb..0000000
--- a/src/init/tests/stress.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#define TEST_MACROS
-#include <init/stdlib.h>
-#include <init/tests/main.h>
-#include <shared/flags.h>
-#include <shared/syscalls.h>
-
-static void run_forked(void (*fn)()) {
-	if (!_syscall_fork(0, NULL)) {
-		fn();
-		_syscall_exit(0);
-	} else {
-		/* successful tests must return 0
-		 * TODO add a better fail msg */
-		if (_syscall_await() != 0) test_fail();
-	}
-}
-
-
-static void stress_fork(void) {
-	for (size_t i = 0; i < 2048; i++) {
-		if (!_syscall_fork(0, NULL)) _syscall_exit(0);
-		_syscall_await();
-	}
-}
-
-void stress_all(void) {
-	run_forked(stress_fork);
-}