aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/sysdeps/lyre
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/sysdeps/lyre')
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/entry.cpp120
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/generic.cpp860
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/mntent.cpp97
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/mount.cpp16
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/reboot.cpp7
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/thread.S9
-rw-r--r--lib/mlibc/sysdeps/lyre/generic/thread.cpp58
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/access.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/auxv.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/blkcnt_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/blksize_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/clockid_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/dev_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/epoll.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/errno.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/fcntl.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/fsblkcnt_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/fsfilcnt_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/gid_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/in.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/ino_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/inotify.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/ioctls.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/limits.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/mode_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/mqueue.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/msg.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/nlink_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/packet.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/pid_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/poll.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/ptrace.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/reboot.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/resource.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/seek-whence.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/shm.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/signal.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/socket.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/socklen_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/stat.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/statfs.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/statvfs.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/suseconds_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/termios.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/time.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/uid_t.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/utsname.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/vm-flags.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/wait.h1
l---------lib/mlibc/sysdeps/lyre/include/abi-bits/xattr.h1
-rw-r--r--lib/mlibc/sysdeps/lyre/include/asm/ioctl.h105
-rw-r--r--lib/mlibc/sysdeps/lyre/include/asm/ioctls.h121
-rw-r--r--lib/mlibc/sysdeps/lyre/include/linux/fb.h400
-rw-r--r--lib/mlibc/sysdeps/lyre/include/lyre/sockios.h25
-rw-r--r--lib/mlibc/sysdeps/lyre/include/lyre/syscall.h113
-rw-r--r--lib/mlibc/sysdeps/lyre/include/mntent.h50
-rw-r--r--lib/mlibc/sysdeps/lyre/include/sys/mount.h54
-rw-r--r--lib/mlibc/sysdeps/lyre/include/sys/reboot.h20
-rw-r--r--lib/mlibc/sysdeps/lyre/include/sys/sysmacros.h33
-rw-r--r--lib/mlibc/sysdeps/lyre/meson.build122
-rw-r--r--lib/mlibc/sysdeps/lyre/x86_64/crt-src/crt0.S7
-rw-r--r--lib/mlibc/sysdeps/lyre/x86_64/crt-src/crti.S11
-rw-r--r--lib/mlibc/sysdeps/lyre/x86_64/crt-src/crtn.S9
63 files changed, 2280 insertions, 0 deletions
diff --git a/lib/mlibc/sysdeps/lyre/generic/entry.cpp b/lib/mlibc/sysdeps/lyre/generic/entry.cpp
new file mode 100644
index 0000000..4fb0179
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/entry.cpp
@@ -0,0 +1,120 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/elf/startup.h>
+#include <mlibc/all-sysdeps.hpp>
+#include <bits/posix/posix_signal.h>
+#include <lyre/syscall.h>
+
+// defined by the POSIX library
+void __mlibc_initLocale();
+
+extern "C" uintptr_t *__dlapi_entrystack();
+
+extern char **environ;
+static mlibc::exec_stack_data __mlibc_stack_data;
+
+struct LibraryGuard {
+ LibraryGuard();
+};
+
+static LibraryGuard guard;
+
+LibraryGuard::LibraryGuard() {
+ __mlibc_initLocale();
+
+ // Parse the exec() stack.
+ mlibc::parse_exec_stack(__dlapi_entrystack(), &__mlibc_stack_data);
+ mlibc::set_startup_data(__mlibc_stack_data.argc, __mlibc_stack_data.argv,
+ __mlibc_stack_data.envp);
+}
+
+struct GPRState {
+ uint64_t ds;
+ uint64_t es;
+ uint64_t rax;
+ uint64_t rbx;
+ uint64_t rcx;
+ uint64_t rdx;
+ uint64_t rsi;
+ uint64_t rdi;
+ uint64_t rbp;
+ uint64_t r8;
+ uint64_t r9;
+ uint64_t r10;
+ uint64_t r11;
+ uint64_t r12;
+ uint64_t r13;
+ uint64_t r14;
+ uint64_t r15;
+ uint64_t err;
+ uint64_t rip;
+ uint64_t cs;
+ uint64_t rflags;
+ uint64_t rsp;
+ uint64_t ss;
+};
+
+namespace mlibc {
+ int sys_sigentry(void *sigentry) {
+ __syscall_ret ret = __syscall(27, sigentry);
+ if (ret.errno != 0)
+ return ret.errno;
+ return 0;
+ }
+
+ [[noreturn]] int sys_sigreturn(void *context, sigset_t old_mask) {
+ __syscall(30, context, old_mask);
+ __builtin_unreachable();
+ }
+}
+
+static void __mlibc_sigentry(int which, siginfo_t *siginfo,
+ void (*sa)(int, siginfo_t *, void *),
+ GPRState *ret_context, sigset_t prev_mask) {
+
+/*
+ size_t *base_ptr = (size_t *)ret_context->rbp;
+
+ mlibc::infoLogger() << "Stacktrace:" << frg::endlog;
+ mlibc::infoLogger() << " [" << (void *)ret_context->rip << "]" << frg::endlog;
+ for (;;) {
+ size_t old_bp = base_ptr[0];
+ size_t ret_addr = base_ptr[1];
+ if (!ret_addr)
+ break;
+ size_t off;
+ mlibc::infoLogger() << " [" << (void *)ret_addr << "]" << frg::endlog;
+ if (!old_bp)
+ break;
+ base_ptr = (size_t *)old_bp;
+ }
+*/
+
+ switch ((uintptr_t)sa) {
+ // DFL
+ case (uintptr_t)(-2):
+ mlibc::infoLogger() << "mlibc: Unhandled signal " << which << frg::endlog;
+ mlibc::sys_exit(128 + which);
+ // IGN
+ case (uintptr_t)(-3):
+ break;
+ default:
+ sa(which, siginfo, NULL);
+ break;
+ }
+
+ mlibc::sys_sigreturn(ret_context, prev_mask);
+
+ __builtin_unreachable();
+}
+
+extern "C" void __mlibc_entry(int (*main_fn)(int argc, char *argv[], char *env[])) {
+ //mlibc::sys_sigentry((void *)__mlibc_sigentry);
+
+ // TODO: call __dlapi_enter, otherwise static builds will break (see Linux sysdeps)
+ auto result = main_fn(__mlibc_stack_data.argc, __mlibc_stack_data.argv, environ);
+ exit(result);
+}
+
diff --git a/lib/mlibc/sysdeps/lyre/generic/generic.cpp b/lib/mlibc/sysdeps/lyre/generic/generic.cpp
new file mode 100644
index 0000000..549e9f0
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/generic.cpp
@@ -0,0 +1,860 @@
+#include <bits/ensure.h>
+#include <mlibc/allocator.hpp>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
+#include <errno.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <asm/ioctls.h>
+#include <stdlib.h>
+#include <abi-bits/fcntl.h>
+#include <lyre/syscall.h>
+#include <frg/hash.hpp>
+#include <frg/hash_map.hpp>
+
+#define STRINGIFY_(X) #X
+#define STRINGIFY(X) STRINGIFY_(X)
+#define STUB_ONLY { \
+ sys_libc_log("STUB_ONLY function on line " STRINGIFY(__LINE__) " was called"); \
+ sys_libc_panic(); \
+}
+
+namespace {
+
+int fcntl_helper(int fd, int request, int *result, ...) {
+ va_list args;
+ va_start(args, result);
+ if(!mlibc::sys_fcntl) {
+ return ENOSYS;
+ }
+ int ret = mlibc::sys_fcntl(fd, request, args, result);
+ va_end(args);
+ return ret;
+}
+
+}
+
+namespace mlibc {
+
+void sys_libc_log(const char *message) {
+ __syscall(SYS_debug, message);
+}
+
+void sys_libc_panic() {
+ sys_libc_log("\nMLIBC PANIC\n");
+ sys_exit(1);
+ __builtin_unreachable();
+}
+
+void sys_exit(int status) {
+ __syscall(SYS_exit, status);
+ __builtin_unreachable();
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+[[noreturn]] void sys_thread_exit() {
+ __syscall(SYS_exit_thread);
+ __builtin_unreachable();
+}
+
+extern "C" void __mlibc_thread_entry();
+
+int sys_clone(void *tcb, pid_t *pid_out, void *stack) {
+ (void)tcb;
+
+ __syscall_ret ret = __syscall(SYS_new_thread, (uintptr_t)__mlibc_thread_entry, (uintptr_t)stack);
+ int ret_value = (int)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+
+ *pid_out = ret_value;
+ return 0;
+}
+
+int sys_kill(pid_t, int) STUB_ONLY
+
+int sys_tcgetattr(int fd, struct termios *attr) {
+ int ret;
+ if (int r = sys_ioctl(fd, TCGETS, attr, &ret) != 0) {
+ return r;
+ }
+ return 0;
+}
+
+int sys_tcsetattr(int fd, int optional_action, const struct termios *attr) {
+ int ret;
+ switch (optional_action) {
+ case TCSANOW:
+ optional_action = TCSETS; break;
+ case TCSADRAIN:
+ optional_action = TCSETSW; break;
+ case TCSAFLUSH:
+ optional_action = TCSETSF; break;
+ default:
+ __ensure(!"Unsupported tcsetattr");
+ }
+
+ if (int r = sys_ioctl(fd, optional_action, (void *)attr, &ret) != 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+#endif
+
+int sys_tcb_set(void *pointer) {
+ __syscall(SYS_set_fs_base, pointer);
+ return 0;
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+int sys_ppoll(struct pollfd *fds, int nfds, const struct timespec *timeout, const sigset_t *sigmask, int *num_events) {
+ __syscall_ret ret = __syscall(SYS_ppoll, fds, nfds, timeout, sigmask);
+ int ret_value = (int)ret.ret;
+
+ if (ret_value == -1)
+ return ret.errno;
+
+ *num_events = ret_value;
+ return 0;
+}
+
+int sys_poll(struct pollfd *fds, nfds_t count, int timeout, int *num_events) {
+ struct timespec ts;
+ ts.tv_sec = timeout / 1000;
+ ts.tv_nsec = (timeout % 1000) * 1000000;
+ return sys_ppoll(fds, count, timeout < 0 ? NULL : &ts, NULL, num_events);
+}
+
+int sys_epoll_pwait(int, struct epoll_event *, int,
+ int, const sigset_t *, int *) STUB_ONLY
+
+int sys_epoll_create(int, int *) STUB_ONLY
+
+int sys_epoll_ctl(int, int, int, struct epoll_event *) STUB_ONLY
+
+int sys_pselect(int nfds, fd_set *read_set, fd_set *write_set,
+ fd_set *except_set, const struct timespec *timeout,
+ const sigset_t *sigmask, int *num_events) {
+ struct pollfd *fds = (struct pollfd *)calloc(nfds, sizeof(struct pollfd));
+ if (fds == NULL) {
+ return ENOMEM;
+ }
+
+ for (int i = 0; i < nfds; i++) {
+ struct pollfd *fd = &fds[i];
+
+ if (read_set && FD_ISSET(i, read_set)) {
+ fd->events |= POLLIN;
+ }
+ if (write_set && FD_ISSET(i, write_set)) {
+ fd->events |= POLLOUT;
+ }
+ if (except_set && FD_ISSET(i, except_set)) {
+ fd->events |= POLLPRI;
+ }
+
+ if (!fd->events) {
+ fd->fd = -1;
+ continue;
+ }
+ fd->fd = i;
+ }
+
+ int ret = sys_ppoll(fds, nfds, timeout, sigmask, num_events);
+ if (ret != 0) {
+ free(fds);
+ return ret;
+ }
+
+ fd_set res_read_set, res_write_set, res_except_set;
+ FD_ZERO(&res_read_set);
+ FD_ZERO(&res_write_set);
+ FD_ZERO(&res_except_set);
+
+ for (int i = 0; i < nfds; i++) {
+ struct pollfd *fd = &fds[i];
+
+ if (read_set && FD_ISSET(i, read_set) && (fd->revents & (POLLIN | POLLERR | POLLHUP)) != 0) {
+ FD_SET(i, &res_read_set);
+ }
+ if (write_set && FD_ISSET(i, write_set) && (fd->revents & (POLLOUT | POLLERR | POLLHUP)) != 0) {
+ FD_SET(i, &res_write_set);
+ }
+ if (except_set && FD_ISSET(i, except_set) && (fd->revents & POLLPRI) != 0) {
+ FD_SET(i, &res_except_set);
+ }
+ }
+
+ free(fds);
+ if (read_set) {
+ *read_set = res_read_set;
+ }
+ if (write_set) {
+ *write_set = res_write_set;
+ }
+ if (except_set) {
+ *except_set = res_except_set;
+ }
+
+ return 0;
+}
+
+#endif
+
+int sys_futex_wait(int *pointer, int expected, const struct timespec *time) {
+ __syscall_ret ret = __syscall(SYS_futex_wait, pointer, expected, time);
+
+ if ((int)ret.ret == -1)
+ return ret.errno;
+
+ return 0;
+}
+
+int sys_futex_wake(int *pointer) {
+ __syscall_ret ret = __syscall(SYS_futex_wake, pointer);
+
+ if ((int)ret.ret == -1)
+ return ret.errno;
+
+ int num_woken = ret.ret;
+
+ __ensure(num_woken >= 0 && num_woken <= 1);
+ return num_woken;
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+int sys_timerfd_create(int, int *) STUB_ONLY
+
+int sys_ioctl(int fd, unsigned long request, void *arg, int *result) {
+ __syscall_ret ret = __syscall(SYS_ioctl, fd, request, arg);
+
+ if ((int)ret.ret == -1)
+ return ret.errno;
+
+ *result = (int)ret.ret;
+ return 0;
+}
+
+int sys_isatty(int fd) {
+ struct winsize ws;
+ int ret;
+
+ if (!sys_ioctl(fd, TIOCGWINSZ, &ws, &ret))
+ return 0;
+
+ return ENOTTY;
+}
+
+int sys_getcwd(char *buffer, size_t size) {
+ __syscall_ret ret = __syscall(SYS_getcwd, buffer, size);
+
+ if ((int)ret.ret == -1)
+ return ret.errno;
+
+ return 0;
+}
+
+#endif
+
+int sys_openat(int dirfd, const char *path, int flags, mode_t mode, int *fd) {
+ __syscall_ret ret = __syscall(SYS_openat, dirfd, path, flags, mode);
+
+ if ((int)ret.ret == -1)
+ return ret.errno;
+
+ *fd = (int)ret.ret;
+ return 0;
+}
+
+int sys_open(const char *path, int flags, mode_t mode, int *fd) {
+ return sys_openat(AT_FDCWD, path, flags, mode, fd);
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+int sys_open_dir(const char *path, int *handle) {
+ return sys_openat(AT_FDCWD, path, O_DIRECTORY, 0, handle);
+}
+
+struct ReadDirState {
+ size_t offset;
+ size_t capacity;
+ void *buffer;
+};
+
+static frg::hash_map<int, ReadDirState *, frg::hash<int>, MemoryAllocator> open_dirs{frg::hash<int>{}, getAllocator()};
+
+static ReadDirState *get_dir_state(int fdnum) {
+ ReadDirState *result;
+ if (auto value = open_dirs.get(fdnum)) {
+ result = *value;
+ } else {
+ result = (ReadDirState *)malloc(sizeof(ReadDirState));
+ result->offset = 0;
+ result->capacity = 1024;
+ result->buffer = malloc(result->capacity);
+ open_dirs.insert(fdnum, result);
+ }
+ return result;
+}
+
+int sys_read_entries(int fdnum, void *buffer, size_t max_size, size_t *bytes_read) {
+ ReadDirState *state = get_dir_state(fdnum);
+
+retry:
+ __syscall_ret ret = __syscall(SYS_readdir, fdnum, state->buffer, &state->capacity);
+ if ((int)ret.ret == -1) {
+ if (ret.errno == ENOBUFS) {
+ state->buffer = realloc(state->buffer, state->capacity);
+ goto retry;
+ } else {
+ return ret.errno;
+ }
+ }
+
+ size_t offset = 0;
+ while (offset < max_size) {
+ struct dirent *ent = (struct dirent *)((char *)state->buffer + state->offset);
+ if (ent->d_reclen == 0) {
+ break;
+ }
+
+ if (offset + ent->d_reclen >= max_size) {
+ break;
+ }
+
+ memcpy((char *)buffer + offset, ent, ent->d_reclen);
+ offset += ent->d_reclen;
+ state->offset += ent->d_reclen;
+ }
+
+ *bytes_read = offset;
+ return 0;
+}
+
+#endif
+
+int sys_close(int fd) {
+ __syscall_ret ret = __syscall(SYS_close, fd);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+#ifndef MLIBC_BUILDING_RTDL
+ open_dirs.remove(fd);
+#endif
+ return 0;
+}
+
+int sys_seek(int fd, off_t offset, int whence, off_t *new_offset) {
+ __syscall_ret ret = __syscall(SYS_seek, fd, offset, whence);
+ off_t ret_value = (off_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *new_offset = ret_value;
+ return 0;
+}
+
+int sys_read(int fd, void *buf, size_t count, ssize_t *bytes_read) {
+ __syscall_ret ret = __syscall(SYS_read, fd, buf, count);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *bytes_read = ret_value;
+ return 0;
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+int sys_write(int fd, const void *buf, size_t count, ssize_t *bytes_written) {
+ __syscall_ret ret = __syscall(SYS_write, fd, buf, count);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *bytes_written = ret_value;
+ return 0;
+}
+
+int sys_readlink(const char *path, void *data, size_t max_size, ssize_t *length) {
+ __syscall_ret ret = __syscall(SYS_readlinkat, AT_FDCWD, path, data, max_size);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *length = ret_value;
+ return 0;
+}
+
+int sys_link(const char *old_path, const char *new_path) {
+ return sys_linkat(AT_FDCWD, old_path, AT_FDCWD, new_path, 0);
+}
+
+int sys_linkat(int olddirfd, const char *old_path, int newdirfd, const char *new_path, int flags) {
+ __syscall_ret ret = __syscall(SYS_linkat, olddirfd, old_path, newdirfd, new_path, flags);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_unlinkat(int fd, const char *path, int flags) {
+ __syscall_ret ret = __syscall(SYS_unlinkat, fd, path, flags);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_fchmodat(int fd, const char *pathname, mode_t mode, int flags) {
+ __syscall_ret ret = __syscall(SYS_fchmodat, fd, pathname, mode, flags);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_fchmod(int fd, mode_t mode) {
+ return sys_fchmodat(fd, "", mode, AT_EMPTY_PATH);
+}
+
+int sys_chmod(const char *pathname, mode_t mode) {
+ return sys_fchmodat(AT_FDCWD, pathname, mode, 0);
+}
+
+int sys_rmdir(const char *) STUB_ONLY
+
+#endif
+
+int sys_vm_map(void *hint, size_t size, int prot, int flags,
+ int fd, off_t offset, void **window) {
+ __syscall_ret ret = __syscall(SYS_mmap, hint, size, (uint64_t)prot << 32 | flags, fd, offset);
+ void *ret_value = (void *)ret.ret;
+ if (ret_value == MAP_FAILED) {
+ return ret.errno;
+ }
+ *window = ret_value;
+ return 0;
+}
+
+int sys_vm_unmap(void *pointer, size_t size) {
+ __syscall_ret ret = __syscall(SYS_unmmap, pointer, size);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+int sys_vm_protect(void *pointer, size_t size, int prot) {
+ __syscall_ret ret = __syscall(SYS_mprotect, pointer, size, prot);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+#endif
+
+int sys_anon_allocate(size_t size, void **pointer) {
+ return sys_vm_map(NULL, size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS, -1, 0, pointer);
+}
+
+int sys_anon_free(void *pointer, size_t size) {
+ return sys_vm_unmap(pointer, size);
+}
+
+#ifndef MLIBC_BUILDING_RTDL
+
+pid_t sys_getpid() {
+ __syscall_ret ret = __syscall(SYS_getpid);
+ return (pid_t)ret.ret;
+}
+
+pid_t sys_getppid() {
+ return 0;
+}
+
+uid_t sys_getuid() {
+ return 0;
+}
+
+uid_t sys_geteuid() {
+ return 0;
+}
+
+gid_t sys_getgid() {
+ return 0;
+}
+
+int sys_setgid(gid_t) {
+ return 0;
+}
+
+int sys_getpgid(pid_t, pid_t *) {
+ return 0;
+}
+
+gid_t sys_getegid() {
+ return 0;
+}
+
+int sys_setpgid(pid_t, pid_t) {
+ return 0;
+}
+
+int sys_ttyname(int, char *, size_t) {
+ return ENOSYS;
+}
+
+int sys_clock_get(int clock, time_t *secs, long *nanos) {
+ struct timespec buf;
+ __syscall_ret ret = __syscall(SYS_getclock, clock, &buf);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ *secs = buf.tv_sec;
+ *nanos = buf.tv_nsec;
+ return 0;
+}
+
+int sys_stat(fsfd_target fsfdt, int fd, const char *path, int flags, struct stat *statbuf) {
+ __syscall_ret ret;
+ switch (fsfdt) {
+ case fsfd_target::fd:
+ ret = __syscall(SYS_stat, fd, "", flags | AT_EMPTY_PATH, statbuf);
+ break;
+ case fsfd_target::path:
+ ret = __syscall(SYS_stat, AT_FDCWD, path, flags, statbuf);
+ break;
+ case fsfd_target::fd_path:
+ ret = __syscall(SYS_stat, fd, path, flags, statbuf);
+ break;
+ default:
+ __ensure(!"sys_stat: Invalid fsfdt");
+ __builtin_unreachable();
+ }
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_faccessat(int dirfd, const char *pathname, int mode, int flags) {
+ (void)flags;
+ struct stat buf;
+ if (int r = sys_stat(fsfd_target::fd_path, dirfd, pathname, mode & AT_SYMLINK_FOLLOW, &buf)) {
+ return r;
+ }
+ return 0;
+}
+
+int sys_access(const char *path, int mode) {
+ return sys_faccessat(AT_FDCWD, path, mode, 0);
+}
+
+int sys_pipe(int *fds, int flags) {
+ __syscall_ret ret = __syscall(SYS_pipe, fds, flags);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_chdir(const char *path) {
+ __syscall_ret ret = __syscall(SYS_chdir, path);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_mkdir(const char *path, mode_t mode) {
+ return sys_mkdirat(AT_FDCWD, path, mode);
+}
+
+int sys_mkdirat(int dirfd, const char *path, mode_t mode) {
+ __syscall_ret ret = __syscall(SYS_mkdirat, dirfd, path, mode);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_socket(int domain, int type_and_flags, int proto, int *fd) {
+ __syscall_ret ret = __syscall(SYS_socket, domain, type_and_flags, proto);
+ int ret_value = (int)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *fd = ret_value;
+ return 0;
+}
+
+int sys_socketpair(int domain, int type_and_flags, int proto, int *fds) {
+ __syscall_ret ret = __syscall(SYS_socketpair, domain, type_and_flags, proto, fds);
+ int ret_value = (int)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_bind(int fd, const struct sockaddr *addr_ptr, socklen_t addr_length) {
+ __syscall_ret ret = __syscall(SYS_bind, fd, addr_ptr, addr_length);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_connect(int fd, const struct sockaddr *addr_ptr, socklen_t addr_length) {
+ __syscall_ret ret = __syscall(SYS_connect, fd, addr_ptr, addr_length);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_accept(int fd, int *newfd, struct sockaddr *addr_ptr, socklen_t *addr_length, int flags) {
+ __syscall_ret ret = __syscall(SYS_accept, fd, addr_ptr, addr_length);
+ int ret_value = (int)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *newfd = ret_value;
+
+ if(flags & SOCK_NONBLOCK) {
+ int fcntl_ret = 0;
+ fcntl_helper(*newfd, F_GETFL, &fcntl_ret);
+ fcntl_helper(*newfd, F_SETFL, &fcntl_ret, fcntl_ret | O_NONBLOCK);
+ }
+
+ if(flags & SOCK_CLOEXEC) {
+ int fcntl_ret = 0;
+ fcntl_helper(*newfd, F_GETFD, &fcntl_ret);
+ fcntl_helper(*newfd, F_SETFD, &fcntl_ret, fcntl_ret | FD_CLOEXEC);
+ }
+
+ return 0;
+}
+
+int sys_getsockopt(int fd, int layer, int number, void *__restrict buffer, socklen_t *__restrict size) {
+ __syscall_ret ret = __syscall(SYS_getsockopt, fd, layer, number, buffer, size);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_setsockopt(int fd, int layer, int number, const void *buffer, socklen_t size) {
+ __syscall_ret ret = __syscall(SYS_setsockopt, fd, layer, number, buffer, size);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_msg_recv(int sockfd, struct msghdr *hdr, int flags, ssize_t *length) {
+ __syscall_ret ret = __syscall(SYS_recvmsg, sockfd, hdr, flags);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *length = ret_value;
+ return 0;
+}
+
+int sys_msg_send(int sockfd, const struct msghdr *hdr, int flags, ssize_t *length) {
+ __syscall_ret ret = __syscall(SYS_sendmsg, sockfd, hdr, flags);
+ ssize_t ret_value = (ssize_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *length = ret_value;
+ return 0;
+}
+
+int sys_peername(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length, socklen_t *actual_length) {
+ __syscall_ret ret = __syscall(SYS_getpeername, fd, addr_ptr, &max_addr_length);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ *actual_length = max_addr_length;
+ return 0;
+}
+
+int sys_sockname(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length, socklen_t *actual_length) {
+ __syscall_ret ret = __syscall(SYS_getsockname, fd, addr_ptr, &max_addr_length);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ *actual_length = max_addr_length;
+ return 0;
+}
+
+int sys_listen(int fd, int backlog) {
+ __syscall_ret ret = __syscall(SYS_listen, fd, backlog);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_inotify_create(int, int *) {
+ mlibc::infoLogger() << "mlibc: sys_inotify_create() is unimplemented" << frg::endlog;
+ return ENOSYS;
+}
+
+int sys_fork(pid_t *child) {
+ __syscall_ret ret = __syscall(SYS_fork);
+ pid_t ret_value = (pid_t)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *child = ret_value;
+ return 0;
+}
+
+int sys_execve(const char *path, char *const argv[], char *const envp[]) {
+ __syscall_ret ret = __syscall(SYS_exec, path, argv, envp);
+ return ret.errno;
+}
+
+int sys_fcntl(int fd, int request, va_list args, int *result) {
+ __syscall_ret ret = __syscall(SYS_fcntl, fd, request, va_arg(args, uint64_t));
+ int ret_value = (int)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *result = ret_value;
+ return 0;
+}
+
+int sys_dup(int fd, int flags, int *newfd) {
+ (void)flags;
+ __syscall_ret ret = __syscall(SYS_fcntl, fd, F_DUPFD, 0);
+ int ret_value = (int)ret.ret;
+ if (ret_value == -1) {
+ return ret.errno;
+ }
+ *newfd = ret_value;
+ return 0;
+}
+
+int sys_dup2(int fd, int flags, int newfd) {
+ __syscall_ret ret = __syscall(SYS_dup3, fd, newfd, flags);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict) {
+ mlibc::infoLogger() << "mlibc: sys_sigprocmask() is a stub" << frg::endlog;
+ return 0;
+}
+
+int sys_sigaction(int, const struct sigaction *, struct sigaction *) {
+ mlibc::infoLogger() << "mlibc: sys_sigaction() is a stub" << frg::endlog;
+ return 0;
+}
+
+int sys_signalfd_create(sigset_t, int, int *) STUB_ONLY
+
+int sys_waitpid(pid_t pid, int *status, int flags, struct rusage *ru, pid_t *ret_pid) {
+ if (ru != NULL) {
+ mlibc::infoLogger() << "mlibc: struct rusage in sys_waitpid is unsupported" << frg::endlog;
+ return ENOSYS;
+ }
+again:
+ __syscall_ret ret = __syscall(SYS_waitpid, pid, status, flags);
+ pid_t ret_value = (pid_t)ret.ret;
+ if (ret_value == -1) {
+ if (ret.errno == EINTR) {
+ goto again;
+ }
+ return ret.errno;
+ }
+ *ret_pid = ret_value;
+ return 0;
+}
+
+int sys_getgroups(size_t, const gid_t *, int *) {
+ mlibc::infoLogger() << "mlibc: sys_getgroups() is unimplemented" << frg::endlog;
+ return ENOSYS;
+}
+
+int sys_mount(const char *, const char *, const char *, unsigned long, const void *) STUB_ONLY
+
+int sys_umount2(const char *, int) STUB_ONLY
+
+int sys_gethostname(char *buffer, size_t bufsize) {
+ struct utsname utsname;
+ if (int err = sys_uname(&utsname)) {
+ return err;
+ }
+ if (strlen(utsname.nodename) >= bufsize) {
+ return ENAMETOOLONG;
+ }
+ strncpy(buffer, utsname.nodename, bufsize);
+ return 0;
+}
+
+int sys_sethostname(const char *, size_t) STUB_ONLY
+
+int sys_sleep(time_t *secs, long *nanos) {
+ struct timespec time = {.tv_sec = *secs, .tv_nsec = *nanos};
+ struct timespec rem = {.tv_sec = 0, .tv_nsec = 0};
+ __syscall_ret ret = __syscall(SYS_sleep, &time, &rem);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ *secs = rem.tv_sec;
+ *nanos = rem.tv_nsec;
+ return 0;
+}
+
+int sys_getitimer(int, struct itimerval *) {
+ mlibc::infoLogger() << "mlibc: sys_getitimer() is unimplemented" << frg::endlog;
+ return ENOSYS;
+}
+
+int sys_setitimer(int, const struct itimerval *, struct itimerval *) {
+ mlibc::infoLogger() << "mlibc: sys_setitimer() is unimplemented" << frg::endlog;
+ return ENOSYS;
+}
+
+int sys_umask(mode_t mode, mode_t *old) {
+ __syscall_ret ret = __syscall(SYS_umask, mode);
+ *old = (mode_t)ret.ret;
+ return 0;
+}
+
+int sys_uname(struct utsname *buf) {
+ __syscall_ret ret = __syscall(SYS_uname, buf);
+ if ((int)ret.ret == -1) {
+ return ret.errno;
+ }
+ return 0;
+}
+
+int sys_fsync(int) {
+ mlibc::infoLogger() << "sys_fsync is a stub" << frg::endlog;
+ return 0;
+}
+
+#endif
+
+} // namespace mlibc
diff --git a/lib/mlibc/sysdeps/lyre/generic/mntent.cpp b/lib/mlibc/sysdeps/lyre/generic/mntent.cpp
new file mode 100644
index 0000000..d064af3
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/mntent.cpp
@@ -0,0 +1,97 @@
+#include <errno.h>
+#include <mntent.h>
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include <bits/ensure.h>
+
+namespace {
+
+char *internal_buf;
+size_t internal_bufsize;
+
+}
+
+#define SENTINEL (char *)&internal_buf
+
+FILE *setmntent(const char *name, const char *mode) {
+ return fopen(name, mode);
+}
+
+struct mntent *getmntent(FILE *f) {
+ static struct mntent mnt;
+ return getmntent_r(f, &mnt, SENTINEL, 0);
+}
+
+int addmntent(FILE *f, const struct mntent *mnt) {
+ if(fseek(f, 0, SEEK_END)) {
+ return 1;
+ }
+ return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n",
+ mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts,
+ mnt->mnt_freq, mnt->mnt_passno) < 0;
+}
+
+int endmntent(FILE *f) {
+ if(f) {
+ fclose(f);
+ }
+ return 1;
+}
+
+char *hasmntopt(const struct mntent *mnt, const char *opt) {
+ return strstr(mnt->mnt_opts, opt);
+}
+
+/* Adapted from musl */
+struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int buflen) {
+ int n[8];
+ bool use_internal = (linebuf == SENTINEL);
+ int len;
+ size_t i;
+
+ mnt->mnt_freq = 0;
+ mnt->mnt_passno = 0;
+
+ do {
+ if(use_internal) {
+ getline(&internal_buf, &internal_bufsize, f);
+ linebuf = internal_buf;
+ } else {
+ fgets(linebuf, buflen, f);
+ }
+ if(feof(f) || ferror(f)) {
+ return 0;
+ }
+ if(!strchr(linebuf, '\n')) {
+ fscanf(f, "%*[^\n]%*[\n]");
+ errno = ERANGE;
+ return 0;
+ }
+
+ len = strlen(linebuf);
+ if(len > INT_MAX) {
+ continue;
+ }
+
+ for(i = 0; i < sizeof n / sizeof *n; i++) {
+ n[i] = len;
+ }
+
+ sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d",
+ n, n + 1, n + 2, n + 3, n + 4, n + 5, n + 6, n + 7,
+ &mnt->mnt_freq, &mnt->mnt_passno);
+ } while(linebuf[n[0]] == '#' || n[1] == len);
+
+ linebuf[n[1]] = 0;
+ linebuf[n[3]] = 0;
+ linebuf[n[5]] = 0;
+ linebuf[n[7]] = 0;
+
+ mnt->mnt_fsname = linebuf + n[0];
+ mnt->mnt_dir = linebuf + n[2];
+ mnt->mnt_type = linebuf + n[4];
+ mnt->mnt_opts = linebuf + n[6];
+
+ return mnt;
+}
diff --git a/lib/mlibc/sysdeps/lyre/generic/mount.cpp b/lib/mlibc/sysdeps/lyre/generic/mount.cpp
new file mode 100644
index 0000000..f10254d
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/mount.cpp
@@ -0,0 +1,16 @@
+#include <errno.h>
+#include <sys/mount.h>
+#include <bits/ensure.h>
+
+int mount(const char *source, const char *target,
+ const char *fstype, unsigned long flags, const void *data) {
+ return 0;
+}
+
+int umount(const char *target) {
+ return umount2(target, 0);
+}
+
+int umount2(const char *target, int flags) {
+ return 0;
+}
diff --git a/lib/mlibc/sysdeps/lyre/generic/reboot.cpp b/lib/mlibc/sysdeps/lyre/generic/reboot.cpp
new file mode 100644
index 0000000..7c86ffd
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/reboot.cpp
@@ -0,0 +1,7 @@
+#include <errno.h>
+#include <sys/reboot.h>
+#include <bits/ensure.h>
+
+int reboot(int what) {
+ return 0;
+}
diff --git a/lib/mlibc/sysdeps/lyre/generic/thread.S b/lib/mlibc/sysdeps/lyre/generic/thread.S
new file mode 100644
index 0000000..47ab6a9
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/thread.S
@@ -0,0 +1,9 @@
+.section .text
+.global __mlibc_thread_entry
+__mlibc_thread_entry:
+ pop %rdi
+ pop %rsi
+ pop %rdx
+ call __mlibc_thread_trampoline
+
+.section .note.GNU-stack,"",%progbits
diff --git a/lib/mlibc/sysdeps/lyre/generic/thread.cpp b/lib/mlibc/sysdeps/lyre/generic/thread.cpp
new file mode 100644
index 0000000..5186e1f
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/generic/thread.cpp
@@ -0,0 +1,58 @@
+#include <sys/mman.h>
+#include <mlibc/debug.hpp>
+#include <errno.h>
+#include <mlibc/all-sysdeps.hpp>
+#include <bits/ensure.h>
+#include <mlibc/tcb.hpp>
+
+extern "C" void __mlibc_thread_trampoline(void *(*fn)(void *), Tcb *tcb, void *arg) {
+ if (mlibc::sys_tcb_set(tcb)) {
+ __ensure(!"failed to set tcb for new thread");
+ }
+
+ while (__atomic_load_n(&tcb->tid, __ATOMIC_RELAXED) == 0) {
+ mlibc::sys_futex_wait(&tcb->tid, 0, nullptr);
+ }
+
+ tcb->invokeThreadFunc(reinterpret_cast<void *>(fn), arg);
+
+ __atomic_store_n(&tcb->didExit, 1, __ATOMIC_RELEASE);
+ mlibc::sys_futex_wake(&tcb->didExit);
+
+ mlibc::sys_thread_exit();
+}
+
+#define DEFAULT_STACK 0x400000
+
+namespace mlibc {
+ int sys_prepare_stack(void **stack, void *entry, void *arg, void *tcb, size_t *stack_size, size_t *guard_size, void **stack_base) {
+ // TODO guard
+
+ mlibc::infoLogger() << "mlibc: sys_prepare_stack() does not setup a guard!" << frg::endlog;
+
+ *guard_size = 0;
+
+ *stack_size = *stack_size ? *stack_size : DEFAULT_STACK;
+
+ if (!*stack) {
+ *stack_base = mmap(NULL, *stack_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+ if (*stack_base == MAP_FAILED) {
+ return errno;
+ }
+ } else {
+ *stack_base = *stack;
+ }
+
+ *stack = (void *)((char *)*stack_base + *stack_size);
+
+ void **stack_it = (void **)*stack;
+
+ *--stack_it = arg;
+ *--stack_it = tcb;
+ *--stack_it = entry;
+
+ *stack = (void *)stack_it;
+
+ return 0;
+ }
+}
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/access.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/access.h
new file mode 120000
index 0000000..cb83931
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/access.h
@@ -0,0 +1 @@
+../../../../abis/linux/access.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/auxv.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/auxv.h
new file mode 120000
index 0000000..c43f878
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/auxv.h
@@ -0,0 +1 @@
+../../../../abis/linux/auxv.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/blkcnt_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/blkcnt_t.h
new file mode 120000
index 0000000..0b0ec27
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/blkcnt_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/blkcnt_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/blksize_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/blksize_t.h
new file mode 120000
index 0000000..7dc8d7c
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/blksize_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/blksize_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/clockid_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/clockid_t.h
new file mode 120000
index 0000000..6a42da5
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/clockid_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/clockid_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/dev_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/dev_t.h
new file mode 120000
index 0000000..bca881e
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/dev_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/dev_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/epoll.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/epoll.h
new file mode 120000
index 0000000..eb4b76d
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/epoll.h
@@ -0,0 +1 @@
+../../../../abis/linux/epoll.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/errno.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/errno.h
new file mode 120000
index 0000000..6e507de
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/errno.h
@@ -0,0 +1 @@
+../../../../abis/linux/errno.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/fcntl.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/fcntl.h
new file mode 120000
index 0000000..463e2c9
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/fcntl.h
@@ -0,0 +1 @@
+../../../../abis/linux/fcntl.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/fsblkcnt_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/fsblkcnt_t.h
new file mode 120000
index 0000000..898dfb2
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/fsblkcnt_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/fsblkcnt_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/fsfilcnt_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/fsfilcnt_t.h
new file mode 120000
index 0000000..791755c
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/fsfilcnt_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/fsfilcnt_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/gid_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/gid_t.h
new file mode 120000
index 0000000..abce6d6
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/gid_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/gid_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/in.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/in.h
new file mode 120000
index 0000000..418d1d5
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/in.h
@@ -0,0 +1 @@
+../../../../abis/linux/in.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/ino_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/ino_t.h
new file mode 120000
index 0000000..4c20aca
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/ino_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/ino_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/inotify.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/inotify.h
new file mode 120000
index 0000000..b5cb282
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/inotify.h
@@ -0,0 +1 @@
+../../../../abis/linux/inotify.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/ioctls.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/ioctls.h
new file mode 120000
index 0000000..595106b
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/ioctls.h
@@ -0,0 +1 @@
+../../../../abis/linux/ioctls.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/limits.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/limits.h
new file mode 120000
index 0000000..6c88db2
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/limits.h
@@ -0,0 +1 @@
+../../../../abis/linux/limits.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/mode_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/mode_t.h
new file mode 120000
index 0000000..5d78fdf
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/mode_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/mode_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/mqueue.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/mqueue.h
new file mode 120000
index 0000000..fa87b07
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/mqueue.h
@@ -0,0 +1 @@
+../../../../abis/linux/mqueue.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/msg.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/msg.h
new file mode 120000
index 0000000..f402b49
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/msg.h
@@ -0,0 +1 @@
+../../../../abis/linux/msg.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/nlink_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/nlink_t.h
new file mode 120000
index 0000000..bb3b625
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/nlink_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/nlink_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/packet.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/packet.h
new file mode 120000
index 0000000..998ef1a
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/packet.h
@@ -0,0 +1 @@
+../../../../abis/linux/packet.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/pid_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/pid_t.h
new file mode 120000
index 0000000..baa90f6
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/pid_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/pid_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/poll.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/poll.h
new file mode 120000
index 0000000..8ea6a0a
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/poll.h
@@ -0,0 +1 @@
+../../../../abis/linux/poll.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/ptrace.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/ptrace.h
new file mode 120000
index 0000000..b2517b2
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/ptrace.h
@@ -0,0 +1 @@
+../../../../abis/linux/ptrace.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/reboot.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/reboot.h
new file mode 120000
index 0000000..77013a4
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/reboot.h
@@ -0,0 +1 @@
+../../../../abis/linux/reboot.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/resource.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/resource.h
new file mode 120000
index 0000000..88d7402
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/resource.h
@@ -0,0 +1 @@
+../../../../abis/linux/resource.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/seek-whence.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/seek-whence.h
new file mode 120000
index 0000000..df7bccf
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/seek-whence.h
@@ -0,0 +1 @@
+../../../../abis/linux/seek-whence.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/shm.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/shm.h
new file mode 120000
index 0000000..067d8c4
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/shm.h
@@ -0,0 +1 @@
+../../../../abis/linux/shm.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/signal.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/signal.h
new file mode 120000
index 0000000..4dcb0b7
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/signal.h
@@ -0,0 +1 @@
+../../../../abis/linux/signal.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/socket.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/socket.h
new file mode 120000
index 0000000..f1dc016
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/socket.h
@@ -0,0 +1 @@
+../../../../abis/linux/socket.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/socklen_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/socklen_t.h
new file mode 120000
index 0000000..41f3b11
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/socklen_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/socklen_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/stat.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/stat.h
new file mode 120000
index 0000000..1f63b41
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/stat.h
@@ -0,0 +1 @@
+../../../../abis/linux/stat.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/statfs.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/statfs.h
new file mode 120000
index 0000000..e3d202f
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/statfs.h
@@ -0,0 +1 @@
+../../../../abis/linux/statfs.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/statvfs.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/statvfs.h
new file mode 120000
index 0000000..d0bdd40
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/statvfs.h
@@ -0,0 +1 @@
+../../../../abis/lyre/statvfs.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/suseconds_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/suseconds_t.h
new file mode 120000
index 0000000..9ed6597
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/suseconds_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/suseconds_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/termios.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/termios.h
new file mode 120000
index 0000000..ee8f0b0
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/termios.h
@@ -0,0 +1 @@
+../../../../abis/linux/termios.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/time.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/time.h
new file mode 120000
index 0000000..2a02625
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/time.h
@@ -0,0 +1 @@
+../../../../abis/linux/time.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/uid_t.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/uid_t.h
new file mode 120000
index 0000000..b306777
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/uid_t.h
@@ -0,0 +1 @@
+../../../../abis/linux/uid_t.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/utsname.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/utsname.h
new file mode 120000
index 0000000..b285754
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/utsname.h
@@ -0,0 +1 @@
+../../../../abis/linux/utsname.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/vm-flags.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/vm-flags.h
new file mode 120000
index 0000000..bbe258c
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/vm-flags.h
@@ -0,0 +1 @@
+../../../../abis/linux/vm-flags.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/wait.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/wait.h
new file mode 120000
index 0000000..feb2840
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/wait.h
@@ -0,0 +1 @@
+../../../../abis/linux/wait.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/abi-bits/xattr.h b/lib/mlibc/sysdeps/lyre/include/abi-bits/xattr.h
new file mode 120000
index 0000000..66412d7
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/abi-bits/xattr.h
@@ -0,0 +1 @@
+../../../../abis/linux/xattr.h \ No newline at end of file
diff --git a/lib/mlibc/sysdeps/lyre/include/asm/ioctl.h b/lib/mlibc/sysdeps/lyre/include/asm/ioctl.h
new file mode 100644
index 0000000..8cbb364
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/asm/ioctl.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_GENERIC_IOCTL_H
+#define _ASM_GENERIC_IOCTL_H
+
+/* ioctl command encoding: 32 bits total, command in lower 16 bits,
+ * size of the parameter structure in the lower 14 bits of the
+ * upper 16 bits.
+ * Encoding the size of the parameter structure in the ioctl request
+ * is useful for catching programs compiled with old versions
+ * and to avoid overwriting user space outside the user buffer area.
+ * The highest 2 bits are reserved for indicating the ``access mode''.
+ * NOTE: This limits the max parameter size to 16kB -1 !
+ */
+
+/*
+ * The following is for compatibility across the various Linux
+ * platforms. The generic ioctl numbering scheme doesn't really enforce
+ * a type field. De facto, however, the top 8 bits of the lower 16
+ * bits are indeed used as a type field, so we might just as well make
+ * this explicit here. Please be sure to use the decoding macros
+ * below from now on.
+ */
+#define _IOC_NRBITS 8
+#define _IOC_TYPEBITS 8
+
+/*
+ * Let any architecture override either of the following before
+ * including this file.
+ */
+
+#ifndef _IOC_SIZEBITS
+# define _IOC_SIZEBITS 14
+#endif
+
+#ifndef _IOC_DIRBITS
+# define _IOC_DIRBITS 2
+#endif
+
+#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
+#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
+#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
+#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
+
+#define _IOC_NRSHIFT 0
+#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
+#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
+#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
+
+/*
+ * Direction bits, which any architecture can choose to override
+ * before including this file.
+ *
+ * NOTE: _IOC_WRITE means userland is writing and kernel is
+ * reading. _IOC_READ means userland is reading and kernel is writing.
+ */
+
+#ifndef _IOC_NONE
+# define _IOC_NONE 0U
+#endif
+
+#ifndef _IOC_WRITE
+# define _IOC_WRITE 1U
+#endif
+
+#ifndef _IOC_READ
+# define _IOC_READ 2U
+#endif
+
+#define _IOC(dir,type,nr,size) \
+ (((dir) << _IOC_DIRSHIFT) | \
+ ((type) << _IOC_TYPESHIFT) | \
+ ((nr) << _IOC_NRSHIFT) | \
+ ((size) << _IOC_SIZESHIFT))
+
+#define _IOC_TYPECHECK(t) (sizeof(t))
+
+/*
+ * Used to create numbers.
+ *
+ * NOTE: _IOW means userland is writing and kernel is reading. _IOR
+ * means userland is reading and kernel is writing.
+ */
+#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
+#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
+#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
+#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
+#define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
+#define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
+#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
+
+/* used to decode ioctl numbers.. */
+#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
+#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
+#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
+#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
+
+/* ...and for the drivers/sound files... */
+
+#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
+#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
+#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
+#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
+#define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
+
+#endif /* _ASM_GENERIC_IOCTL_H */
diff --git a/lib/mlibc/sysdeps/lyre/include/asm/ioctls.h b/lib/mlibc/sysdeps/lyre/include/asm/ioctls.h
new file mode 100644
index 0000000..bdbba9b
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/asm/ioctls.h
@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __ASM_GENERIC_IOCTLS_H
+#define __ASM_GENERIC_IOCTLS_H
+
+#include <asm/ioctl.h>
+
+/*
+ * These are the most common definitions for tty ioctl numbers.
+ * Most of them do not use the recommended _IOC(), but there is
+ * probably some source code out there hardcoding the number,
+ * so we might as well use them for all new platforms.
+ *
+ * The architectures that use different values here typically
+ * try to be compatible with some Unix variants for the same
+ * architecture.
+ */
+
+/* 0x54 is just a magic number to make these relatively unique ('T') */
+
+#define TCGETS 0x5401
+#define TCSETS 0x5402
+#define TCSETSW 0x5403
+#define TCSETSF 0x5404
+#define TCGETA 0x5405
+#define TCSETA 0x5406
+#define TCSETAW 0x5407
+#define TCSETAF 0x5408
+#define TCSBRK 0x5409
+#define TCXONC 0x540A
+#define TCFLSH 0x540B
+#define TIOCEXCL 0x540C
+#define TIOCNXCL 0x540D
+#define TIOCSCTTY 0x540E
+#define TIOCGPGRP 0x540F
+#define TIOCSPGRP 0x5410
+#define TIOCOUTQ 0x5411
+#define TIOCSTI 0x5412
+#define TIOCGWINSZ 0x5413
+#define TIOCSWINSZ 0x5414
+#define TIOCMGET 0x5415
+#define TIOCMBIS 0x5416
+#define TIOCMBIC 0x5417
+#define TIOCMSET 0x5418
+#define TIOCGSOFTCAR 0x5419
+#define TIOCSSOFTCAR 0x541A
+#define FIONREAD 0x541B
+#define TIOCINQ FIONREAD
+#define TIOCLINUX 0x541C
+#define TIOCCONS 0x541D
+#define TIOCGSERIAL 0x541E
+#define TIOCSSERIAL 0x541F
+#define TIOCPKT 0x5420
+#define FIONBIO 0x5421
+#define TIOCNOTTY 0x5422
+#define TIOCSETD 0x5423
+#define TIOCGETD 0x5424
+#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */
+#define TIOCSBRK 0x5427 /* BSD compatibility */
+#define TIOCCBRK 0x5428 /* BSD compatibility */
+#define TIOCGSID 0x5429 /* Return the session ID of FD */
+#define TCGETS2 _IOR('T', 0x2A, struct termios2)
+#define TCSETS2 _IOW('T', 0x2B, struct termios2)
+#define TCSETSW2 _IOW('T', 0x2C, struct termios2)
+#define TCSETSF2 _IOW('T', 0x2D, struct termios2)
+#define TIOCGRS485 0x542E
+#ifndef TIOCSRS485
+#define TIOCSRS485 0x542F
+#endif
+#define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
+#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */
+#define TIOCGDEV _IOR('T', 0x32, unsigned int) /* Get primary device node of /dev/console */
+#define TCGETX 0x5432 /* SYS5 TCGETX compatibility */
+#define TCSETX 0x5433
+#define TCSETXF 0x5434
+#define TCSETXW 0x5435
+#define TIOCSIG _IOW('T', 0x36, int) /* pty: generate signal */
+#define TIOCVHANGUP 0x5437
+#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
+#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
+#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
+#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
+#define TIOCGISO7816 _IOR('T', 0x42, struct serial_iso7816)
+#define TIOCSISO7816 _IOWR('T', 0x43, struct serial_iso7816)
+
+#define FIONCLEX 0x5450
+#define FIOCLEX 0x5451
+#define FIOASYNC 0x5452
+#define TIOCSERCONFIG 0x5453
+#define TIOCSERGWILD 0x5454
+#define TIOCSERSWILD 0x5455
+#define TIOCGLCKTRMIOS 0x5456
+#define TIOCSLCKTRMIOS 0x5457
+#define TIOCSERGSTRUCT 0x5458 /* For debugging only */
+#define TIOCSERGETLSR 0x5459 /* Get line status register */
+#define TIOCSERGETMULTI 0x545A /* Get multiport config */
+#define TIOCSERSETMULTI 0x545B /* Set multiport config */
+
+#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */
+#define TIOCGICOUNT 0x545D /* read serial port __inline__ interrupt counts */
+
+/*
+ * Some arches already define FIOQSIZE due to a historical
+ * conflict with a Hayes modem-specific ioctl value.
+ */
+#ifndef FIOQSIZE
+# define FIOQSIZE 0x5460
+#endif
+
+/* Used for packet mode */
+#define TIOCPKT_DATA 0
+#define TIOCPKT_FLUSHREAD 1
+#define TIOCPKT_FLUSHWRITE 2
+#define TIOCPKT_STOP 4
+#define TIOCPKT_START 8
+#define TIOCPKT_NOSTOP 16
+#define TIOCPKT_DOSTOP 32
+#define TIOCPKT_IOCTL 64
+
+#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */
+
+#endif /* __ASM_GENERIC_IOCTLS_H */
diff --git a/lib/mlibc/sysdeps/lyre/include/linux/fb.h b/lib/mlibc/sysdeps/lyre/include/linux/fb.h
new file mode 100644
index 0000000..d5e6d88
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/linux/fb.h
@@ -0,0 +1,400 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_FB_H
+#define _LINUX_FB_H
+
+#include <stddef.h>
+#include <asm/ioctl.h>
+
+/* Definitions of frame buffers */
+
+#define FB_MAX 32 /* sufficient for now */
+
+/* ioctls
+ 0x46 is 'F' */
+#define FBIOGET_VSCREENINFO 0x4600
+#define FBIOPUT_VSCREENINFO 0x4601
+#define FBIOGET_FSCREENINFO 0x4602
+#define FBIOGETCMAP 0x4604
+#define FBIOPUTCMAP 0x4605
+#define FBIOPAN_DISPLAY 0x4606
+#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
+/* 0x4607-0x460B are defined below */
+/* #define FBIOGET_MONITORSPEC 0x460C */
+/* #define FBIOPUT_MONITORSPEC 0x460D */
+/* #define FBIOSWITCH_MONIBIT 0x460E */
+#define FBIOGET_CON2FBMAP 0x460F
+#define FBIOPUT_CON2FBMAP 0x4610
+#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
+#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
+#define FBIO_ALLOC 0x4613
+#define FBIO_FREE 0x4614
+#define FBIOGET_GLYPH 0x4615
+#define FBIOGET_HWCINFO 0x4616
+#define FBIOPUT_MODEINFO 0x4617
+#define FBIOGET_DISPINFO 0x4618
+#define FBIO_WAITFORVSYNC _IOW('F', 0x20, uint32_t)
+
+#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
+#define FB_TYPE_PLANES 1 /* Non interleaved planes */
+#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
+#define FB_TYPE_TEXT 3 /* Text/attributes */
+#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
+#define FB_TYPE_FOURCC 5 /* Type identified by a V4L2 FOURCC */
+
+#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
+#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
+#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
+#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
+#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
+#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
+#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
+#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
+#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
+#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
+#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
+
+#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
+#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
+#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
+
+#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
+#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
+#define FB_VISUAL_TRUECOLOR 2 /* True color */
+#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
+#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
+#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
+#define FB_VISUAL_FOURCC 6 /* Visual identified by a V4L2 FOURCC */
+
+#define FB_ACCEL_NONE 0 /* no hardware accelerator */
+#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
+#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
+#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
+#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
+#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
+#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
+#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
+#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
+#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
+#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
+#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
+#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
+#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
+#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
+#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
+#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
+#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
+#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
+#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
+#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
+#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
+#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
+#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
+#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
+#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
+#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
+#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
+#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
+#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
+#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
+#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
+#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
+#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
+#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
+#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
+#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
+#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
+#define FB_ACCEL_I810 39 /* Intel 810/815 */
+#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
+#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
+#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
+#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
+#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
+#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
+#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
+#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
+#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
+#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
+#define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */
+#define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */
+#define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */
+#define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */
+#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */
+#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
+#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
+#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
+#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
+#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
+#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
+#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
+#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
+#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
+#define FB_ACCEL_PXA3XX 99 /* PXA3xx */
+
+#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
+#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
+#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
+#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
+#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
+#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
+#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
+#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
+#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
+#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
+#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
+#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
+#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
+#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
+#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
+
+#define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */
+
+#define FB_CAP_FOURCC 1 /* Device supports FOURCC-based formats */
+
+struct fb_fix_screeninfo {
+ char id[16]; /* identification string eg "TT Builtin" */
+ unsigned long smem_start; /* Start of frame buffer mem */
+ /* (physical address) */
+ uint32_t smem_len; /* Length of frame buffer mem */
+ uint32_t type; /* see FB_TYPE_* */
+ uint32_t type_aux; /* Interleave for interleaved Planes */
+ uint32_t visual; /* see FB_VISUAL_* */
+ uint16_t xpanstep; /* zero if no hardware panning */
+ uint16_t ypanstep; /* zero if no hardware panning */
+ uint16_t ywrapstep; /* zero if no hardware ywrap */
+ uint32_t line_length; /* length of a line in bytes */
+ unsigned long mmio_start; /* Start of Memory Mapped I/O */
+ /* (physical address) */
+ uint32_t mmio_len; /* Length of Memory Mapped I/O */
+ uint32_t accel; /* Indicate to driver which */
+ /* specific chip/card we have */
+ uint16_t capabilities; /* see FB_CAP_* */
+ uint16_t reserved[2]; /* Reserved for future compatibility */
+};
+
+/* Interpretation of offset for color fields: All offsets are from the right,
+ * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
+ * can use the offset as right argument to <<). A pixel afterwards is a bit
+ * stream and is written to video memory as that unmodified.
+ *
+ * For pseudocolor: offset and length should be the same for all color
+ * components. Offset specifies the position of the least significant bit
+ * of the palette index in a pixel value. Length indicates the number
+ * of available palette entries (i.e. # of entries = 1 << length).
+ */
+struct fb_bitfield {
+ uint32_t offset; /* beginning of bitfield */
+ uint32_t length; /* length of bitfield */
+ uint32_t msb_right; /* != 0 : Most significant bit is */
+ /* right */
+};
+
+#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
+#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
+
+#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
+#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
+#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
+#define FB_ACTIVATE_MASK 15
+ /* values */
+#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
+#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
+#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
+#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
+#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
+#define FB_ACTIVATE_KD_TEXT 512 /* for KDSET vt ioctl */
+
+#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
+
+#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
+#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
+#define FB_SYNC_EXT 4 /* external sync */
+#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
+#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
+ /* vtotal = 144d/288n/576i => PAL */
+ /* vtotal = 121d/242n/484i => NTSC */
+#define FB_SYNC_ON_GREEN 32 /* sync on green */
+
+#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
+#define FB_VMODE_INTERLACED 1 /* interlaced */
+#define FB_VMODE_DOUBLE 2 /* double scan */
+#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
+#define FB_VMODE_MASK 255
+
+#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
+#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
+#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
+
+/*
+ * Display rotation support
+ */
+#define FB_ROTATE_UR 0
+#define FB_ROTATE_CW 1
+#define FB_ROTATE_UD 2
+#define FB_ROTATE_CCW 3
+
+#define PICOS2KHZ(a) (1000000000UL/(a))
+#define KHZ2PICOS(a) (1000000000UL/(a))
+
+struct fb_var_screeninfo {
+ uint32_t xres; /* visible resolution */
+ uint32_t yres;
+ uint32_t xres_virtual; /* virtual resolution */
+ uint32_t yres_virtual;
+ uint32_t xoffset; /* offset from virtual to visible */
+ uint32_t yoffset; /* resolution */
+
+ uint32_t bits_per_pixel; /* guess what */
+ uint32_t grayscale; /* 0 = color, 1 = grayscale, */
+ /* >1 = FOURCC */
+ struct fb_bitfield red; /* bitfield in fb mem if true color, */
+ struct fb_bitfield green; /* else only length is significant */
+ struct fb_bitfield blue;
+ struct fb_bitfield transp; /* transparency */
+
+ uint32_t nonstd; /* != 0 Non standard pixel format */
+
+ uint32_t activate; /* see FB_ACTIVATE_* */
+
+ uint32_t height; /* height of picture in mm */
+ uint32_t width; /* width of picture in mm */
+
+ uint32_t accel_flags; /* (OBSOLETE) see fb_info.flags */
+
+ /* Timing: All values in pixclocks, except pixclock (of course) */
+ uint32_t pixclock; /* pixel clock in ps (pico seconds) */
+ uint32_t left_margin; /* time from sync to picture */
+ uint32_t right_margin; /* time from picture to sync */
+ uint32_t upper_margin; /* time from sync to picture */
+ uint32_t lower_margin;
+ uint32_t hsync_len; /* length of horizontal sync */
+ uint32_t vsync_len; /* length of vertical sync */
+ uint32_t sync; /* see FB_SYNC_* */
+ uint32_t vmode; /* see FB_VMODE_* */
+ uint32_t rotate; /* angle we rotate counter clockwise */
+ uint32_t colorspace; /* colorspace for FOURCC-based modes */
+ uint32_t reserved[4]; /* Reserved for future compatibility */
+};
+
+struct fb_cmap {
+ uint32_t start; /* First entry */
+ uint32_t len; /* Number of entries */
+ uint16_t *red; /* Red values */
+ uint16_t *green;
+ uint16_t *blue;
+ uint16_t *transp; /* transparency, can be NULL */
+};
+
+struct fb_con2fbmap {
+ uint32_t console;
+ uint32_t framebuffer;
+};
+
+/* VESA Blanking Levels */
+#define VESA_NO_BLANKING 0
+#define VESA_VSYNC_SUSPEND 1
+#define VESA_HSYNC_SUSPEND 2
+#define VESA_POWERDOWN 3
+
+
+enum {
+ /* screen: unblanked, hsync: on, vsync: on */
+ FB_BLANK_UNBLANK = VESA_NO_BLANKING,
+
+ /* screen: blanked, hsync: on, vsync: on */
+ FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
+
+ /* screen: blanked, hsync: on, vsync: off */
+ FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
+
+ /* screen: blanked, hsync: off, vsync: on */
+ FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
+
+ /* screen: blanked, hsync: off, vsync: off */
+ FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
+};
+
+#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
+#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
+#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
+#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
+#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
+#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
+#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
+#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
+#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
+
+struct fb_vblank {
+ uint32_t flags; /* FB_VBLANK flags */
+ uint32_t count; /* counter of retraces since boot */
+ uint32_t vcount; /* current scanline position */
+ uint32_t hcount; /* current scandot position */
+ uint32_t reserved[4]; /* reserved for future compatibility */
+};
+
+/* Internal HW accel */
+#define ROP_COPY 0
+#define ROP_XOR 1
+
+struct fb_copyarea {
+ uint32_t dx;
+ uint32_t dy;
+ uint32_t width;
+ uint32_t height;
+ uint32_t sx;
+ uint32_t sy;
+};
+
+struct fb_fillrect {
+ uint32_t dx; /* screen-relative */
+ uint32_t dy;
+ uint32_t width;
+ uint32_t height;
+ uint32_t color;
+ uint32_t rop;
+};
+
+struct fb_image {
+ uint32_t dx; /* Where to place image */
+ uint32_t dy;
+ uint32_t width; /* Size of image */
+ uint32_t height;
+ uint32_t fg_color; /* Only used when a mono bitmap */
+ uint32_t bg_color;
+ uint8_t depth; /* Depth of the image */
+ const char *data; /* Pointer to image data */
+ struct fb_cmap cmap; /* color map info */
+};
+
+/*
+ * hardware cursor control
+ */
+
+#define FB_CUR_SETIMAGE 0x01
+#define FB_CUR_SETPOS 0x02
+#define FB_CUR_SETHOT 0x04
+#define FB_CUR_SETCMAP 0x08
+#define FB_CUR_SETSHAPE 0x10
+#define FB_CUR_SETSIZE 0x20
+#define FB_CUR_SETALL 0xFF
+
+struct fbcurpos {
+ uint16_t x, y;
+};
+
+struct fb_cursor {
+ uint16_t set; /* what to set */
+ uint16_t enable; /* cursor on/off */
+ uint16_t rop; /* bitop operation */
+ const char *mask; /* cursor mask bits */
+ struct fbcurpos hot; /* cursor hot spot */
+ struct fb_image image; /* Cursor image */
+};
+
+/* Settings for the generic backlight code */
+#define FB_BACKLIGHT_LEVELS 128
+#define FB_BACKLIGHT_MAX 0xFF
+
+
+#endif /* _LINUX_FB_H */
diff --git a/lib/mlibc/sysdeps/lyre/include/lyre/sockios.h b/lib/mlibc/sysdeps/lyre/include/lyre/sockios.h
new file mode 100644
index 0000000..9c5a318
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/lyre/sockios.h
@@ -0,0 +1,25 @@
+#ifndef _LYRE__SOCKIOS_H
+#define _LYRE__SOCKIOS_H
+
+#include <asm/ioctls.h>
+
+#define SIOCINQ FIONREAD
+#define SIOCOUTQ TIOCOUTQ
+
+#define SIOCGIFNAME 0x8910 /* get interface name */
+#define SIOCGIFFLAGS 0x8911 /* get flags */
+#define SIOCSIFFLAGS 0x8912 /* set flags */
+#define SIOCGIFADDR 0x8913 /* get interface ip */
+#define SIOCSIFADDR 0x8914 /* set interface ip */
+#define SIOCGIFNETMASK 0x8915 /* set netmask */
+#define SIOCSIFNETMASK 0x8916 /* get netmask */
+#define SIOCGIFMTU 0x8917 /* get mtu */
+#define SIOCSIFMTU 0x8918 /* set mtu */
+#define SIOCSIFNAME 0x8919 /* set interface name */
+#define SIOCSIFHWADDR 0x891a /* set mac address */
+#define SIOCGIFHWADDR 0x891b /* get mac address */
+#define SIOCGIFINDEX 0x891c /* get interface index */
+#define SIOCGIFGATEWAY 0x891d /* get gateway ip */
+#define SIOCSIFGATEWAY 0x891e /* set gateway ip */
+
+#endif
diff --git a/lib/mlibc/sysdeps/lyre/include/lyre/syscall.h b/lib/mlibc/sysdeps/lyre/include/lyre/syscall.h
new file mode 100644
index 0000000..531b869
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/lyre/syscall.h
@@ -0,0 +1,113 @@
+#ifndef _LYRE__SYSCALL_H
+#define _LYRE__SYSCALL_H
+
+#include <stdint.h>
+
+#define SYS_debug 0
+#define SYS_mmap 1
+#define SYS_openat 2
+#define SYS_close 3
+#define SYS_read 4
+#define SYS_write 5
+#define SYS_seek 6
+#define SYS_set_fs_base 7
+#define SYS_set_gs_base 8
+#define SYS_stat 9
+#define SYS_fcntl 10
+#define SYS_dup3 11
+#define SYS_ioctl 12
+#define SYS_fork 13
+#define SYS_exec 14
+#define SYS_getpid 15
+#define SYS_waitpid 16
+#define SYS_exit 17
+#define SYS_getcwd 18
+#define SYS_chdir 19
+#define SYS_unmmap 20
+#define SYS_pipe 21
+#define SYS_readlinkat 22
+#define SYS_linkat 23
+#define SYS_unlinkat 24
+#define SYS_readdir 25
+#define SYS_uname 26
+#define SYS_futex_wait 27
+#define SYS_futex_wake 28
+#define SYS_mkdirat 29
+#define SYS_fchmodat 30
+#define SYS_sleep 31
+#define SYS_ppoll 32
+#define SYS_umask 33
+#define SYS_mprotect 34
+#define SYS_getclock 35
+#define SYS_socket 36
+#define SYS_bind 37
+#define SYS_connect 38
+#define SYS_listen 39
+#define SYS_accept 40
+#define SYS_getpeername 41
+#define SYS_recvmsg 42
+#define SYS_new_thread 43
+#define SYS_exit_thread 44
+#define SYS_sendmsg 45
+#define SYS_socketpair 46
+#define SYS_getsockopt 47
+#define SYS_setsockopt 48
+#define SYS_getsockname 49
+
+struct __syscall_ret {
+ uint64_t ret;
+ uint64_t errno;
+};
+
+#define __SYSCALL_EXPAND(...) \
+ struct __syscall_ret ret; \
+ asm volatile ( \
+ "mov %%rsp, %%r10\n\t" \
+ "lea 1f(%%rip), %%r11\n\t" \
+ "sysenter\n\t" \
+ "1:" \
+ : "=a"(ret.ret), "=b"(ret.errno) __VA_ARGS__ \
+ "r10", "r11", "memory" \
+ ); \
+ return ret
+
+static inline struct __syscall_ret __syscall5(int number, uint64_t a, uint64_t b, uint64_t c, uint64_t d, uint64_t e) {
+ register uint64_t r8 asm("%r8") = d;
+ register uint64_t r9 asm("%r9") = e;
+ __SYSCALL_EXPAND(, "+d"(b), "+c"(c) : "D"(number), "S"(a), "r"(r8), "r"(r9) :);
+}
+
+static inline struct __syscall_ret __syscall4(int number, uint64_t a, uint64_t b, uint64_t c, uint64_t d) {
+ register uint64_t r8 asm("%r8") = d;
+ __SYSCALL_EXPAND(, "+d"(b), "+c"(c) : "D"(number), "S"(a), "r"(r8) :);
+}
+
+static inline struct __syscall_ret __syscall3(int number, uint64_t a, uint64_t b, uint64_t c) {
+ __SYSCALL_EXPAND(, "+d"(b), "+c"(c) : "D"(number), "S"(a) :);
+}
+
+static inline struct __syscall_ret __syscall2(int number, uint64_t a, uint64_t b) {
+ __SYSCALL_EXPAND(, "+d"(b) : "D"(number), "S"(a) : "rcx", );
+}
+
+static inline struct __syscall_ret __syscall1(int number, uint64_t a) {
+ __SYSCALL_EXPAND( : "D"(number), "S"(a) : "rcx", "rdx", );
+}
+
+static inline struct __syscall_ret __syscall0(int number) {
+ __SYSCALL_EXPAND( : "D"(number) : "rcx", "rdx", );
+}
+
+#define __SYSCALL_NARGS_SEQ(_0,_1,_2,_3,_4,_5,_6,_7,N,...) N
+#define __SYSCALL_NARGS(...) __SYSCALL_NARGS_SEQ(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1, 0)
+
+#define __SYSCALL_CONCAT1(X, Y) X##Y
+#define __SYSCALL_CONCAT(X, Y) __SYSCALL_CONCAT1(X, Y)
+
+#define __syscall(...) ({ \
+ struct __syscall_ret (*__SYSCALL_f)(int, ...); \
+ __SYSCALL_f = (struct __syscall_ret (*)(int, ...))__SYSCALL_CONCAT(__syscall, __SYSCALL_NARGS(__VA_ARGS__)); \
+ __SYSCALL_f(__VA_ARGS__); \
+})
+
+#endif
diff --git a/lib/mlibc/sysdeps/lyre/include/mntent.h b/lib/mlibc/sysdeps/lyre/include/mntent.h
new file mode 100644
index 0000000..bafd289
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/mntent.h
@@ -0,0 +1,50 @@
+#ifndef _MNTENT_H
+#define _MNTENT_H
+
+#include <stdio.h>
+
+// TODO: Refer to _PATH_MOUNTED
+#define MOUNTED "/etc/mtab"
+
+/* Generic mount options */
+#define MNTOPT_DEFAULTS "defaults" /* Use all default options. */
+#define MNTOPT_RO "ro" /* Read only. */
+#define MNTOPT_RW "rw" /* Read/write. */
+#define MNTOPT_SUID "suid" /* Set uid allowed. */
+#define MNTOPT_NOSUID "nosuid" /* No set uid allowed. */
+#define MNTOPT_NOAUTO "noauto" /* Do not auto mount. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct mntent {
+ char *mnt_fsname;
+ char *mnt_dir;
+ char *mnt_type;
+ char *mnt_opts;
+ int mnt_freq;
+ int mnt_passno;
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+FILE *setmntent(const char *, const char *);
+
+struct mntent *getmntent(FILE *);
+
+int addmntent(FILE *, const struct mntent *);
+
+int endmntent(FILE *);
+
+char *hasmntopt(const struct mntent *, const char *);
+
+struct mntent *getmntent_r(FILE *, struct mntent *, char *, int);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _MNTENT_H
diff --git a/lib/mlibc/sysdeps/lyre/include/sys/mount.h b/lib/mlibc/sysdeps/lyre/include/sys/mount.h
new file mode 100644
index 0000000..b19f3d7
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/sys/mount.h
@@ -0,0 +1,54 @@
+#ifndef _SYS_MOUNT_H
+#define _SYS_MOUNT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MS_RDONLY 1
+#define MS_NOSUID 2
+#define MS_NODEV 4
+#define MS_NOEXEC 8
+#define MS_SYNCHRONOUS 16
+#define MS_REMOUNT 32
+#define MS_MANDLOCK 64
+#define MS_DIRSYNC 128
+#define MS_NOSYMFOLLOW 256
+#define MS_NOATIME 1024
+#define MS_NODIRATIME 2048
+#define MS_BIND 4096
+#define MS_MOVE 8192
+#define MS_REC 16384
+#define MS_SILENT 32768
+#define MS_POSIXACL (1 << 16)
+#define MS_UNBINDABLE (1 << 17)
+#define MS_PRIVATE (1 << 18)
+#define MS_SLAVE (1 << 19)
+#define MS_SHARED (1 << 20)
+#define MS_RELATIME (1 << 21)
+#define MS_KERNMOUNT (1 << 22)
+#define MS_I_VERSION (1 << 23)
+#define MS_STRICTATIME (1 << 24)
+#define MS_LAZYTIME (1 << 25)
+#define MS_NOREMOTELOCK (1 << 27)
+#define MS_NOSEC (1 << 28)
+#define MS_BORN (1 << 29)
+#define MS_ACTIVE (1 << 30)
+#define MS_NOUSER (1 << 31)
+
+#define MNT_FORCE 1
+
+#ifndef __MLIBC_ABI_ONLY
+
+int mount(const char *source, const char *target,
+ const char *fstype, unsigned long flags, const void *data);
+int umount(const char *target);
+int umount2(const char *target, int flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_MOUNT_H
diff --git a/lib/mlibc/sysdeps/lyre/include/sys/reboot.h b/lib/mlibc/sysdeps/lyre/include/sys/reboot.h
new file mode 100644
index 0000000..6c4e495
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/sys/reboot.h
@@ -0,0 +1,20 @@
+#ifndef MLIBC_SYS_REBOOT_H
+#define MLIBC_SYS_REBOOT_H
+
+#include <abi-bits/reboot.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int reboot(int arg);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_SYS_REBOOT_H
diff --git a/lib/mlibc/sysdeps/lyre/include/sys/sysmacros.h b/lib/mlibc/sysdeps/lyre/include/sys/sysmacros.h
new file mode 100644
index 0000000..2d696e3
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/include/sys/sysmacros.h
@@ -0,0 +1,33 @@
+#ifndef _SYS_SYSMACROS_H
+#define _SYS_SYSMACROS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static unsigned int __mlibc_dev_major(
+ unsigned long long int __dev) {
+ return ((__dev >> 8) & 0xfff) | ((unsigned int)(__dev >> 32) & ~0xfff);
+}
+
+static unsigned int __mlibc_dev_minor(
+ unsigned long long int __dev) {
+ return (__dev & 0xff) | ((unsigned int)(__dev >> 12) & ~0xff);
+}
+
+static unsigned long long int __mlibc_dev_makedev(
+ unsigned int __major, unsigned int __minor) {
+ return ((__minor & 0xff) | ((__major & 0xfff) << 8)
+ | (((unsigned long long int)(__minor & ~0xff)) << 12)
+ | (((unsigned long long int)(__major & ~0xfff)) << 32));
+}
+
+#define major(dev) __mlibc_dev_major(dev)
+#define minor(dev) __mlibc_dev_minor(dev)
+#define makedev(major, minor) __mlibc_dev_makedev(major, minor)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SYSMACROS_H
diff --git a/lib/mlibc/sysdeps/lyre/meson.build b/lib/mlibc/sysdeps/lyre/meson.build
new file mode 100644
index 0000000..56ed19a
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/meson.build
@@ -0,0 +1,122 @@
+
+rtdl_sources += files(
+ 'generic/generic.cpp'
+)
+
+libc_sources += files(
+ 'generic/entry.cpp',
+ 'generic/generic.cpp',
+ 'generic/mntent.cpp',
+ 'generic/mount.cpp',
+ 'generic/reboot.cpp',
+ 'generic/thread.cpp',
+ 'generic/thread.S'
+)
+
+if not no_headers
+ install_headers(
+ 'include/abi-bits/auxv.h',
+ 'include/abi-bits/seek-whence.h',
+ 'include/abi-bits/vm-flags.h',
+ 'include/abi-bits/errno.h',
+ 'include/abi-bits/fcntl.h',
+ 'include/abi-bits/in.h',
+ 'include/abi-bits/reboot.h',
+ 'include/abi-bits/resource.h',
+ 'include/abi-bits/stat.h',
+ 'include/abi-bits/signal.h',
+ 'include/abi-bits/socket.h',
+ 'include/abi-bits/termios.h',
+ 'include/abi-bits/time.h',
+ 'include/abi-bits/blkcnt_t.h',
+ 'include/abi-bits/blksize_t.h',
+ 'include/abi-bits/dev_t.h',
+ 'include/abi-bits/gid_t.h',
+ 'include/abi-bits/ino_t.h',
+ 'include/abi-bits/mode_t.h',
+ 'include/abi-bits/nlink_t.h',
+ 'include/abi-bits/pid_t.h',
+ 'include/abi-bits/uid_t.h',
+ 'include/abi-bits/access.h',
+ 'include/abi-bits/wait.h',
+ 'include/abi-bits/limits.h',
+ 'include/abi-bits/utsname.h',
+ 'include/abi-bits/ptrace.h',
+ 'include/abi-bits/poll.h',
+ 'include/abi-bits/epoll.h',
+ 'include/abi-bits/packet.h',
+ 'include/abi-bits/inotify.h',
+ 'include/abi-bits/clockid_t.h',
+ 'include/abi-bits/shm.h',
+ 'include/abi-bits/mqueue.h',
+ 'include/abi-bits/suseconds_t.h',
+ 'include/abi-bits/fsfilcnt_t.h',
+ 'include/abi-bits/fsblkcnt_t.h',
+ 'include/abi-bits/socklen_t.h',
+ 'include/abi-bits/statfs.h',
+ 'include/abi-bits/statvfs.h',
+ 'include/abi-bits/ioctls.h',
+ 'include/abi-bits/xattr.h',
+ 'include/abi-bits/msg.h',
+ subdir: 'abi-bits',
+ follow_symlinks: true
+ )
+
+ install_headers(
+ 'include/asm/ioctl.h',
+ 'include/asm/ioctls.h',
+ subdir: 'asm',
+ )
+
+ install_headers(
+ 'include/linux/fb.h',
+ subdir: 'linux',
+ )
+
+ install_headers(
+ 'include/sys/reboot.h',
+ 'include/sys/mount.h',
+ 'include/sys/sysmacros.h',
+ subdir: 'sys',
+ )
+
+ install_headers(
+ 'include/lyre/syscall.h',
+ 'include/lyre/sockios.h',
+ subdir: 'lyre',
+ )
+
+ install_headers(
+ 'include/mntent.h',
+ )
+endif
+
+if not headers_only
+ crt = custom_target('crt0',
+ build_by_default: true,
+ command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
+ input: host_machine.cpu_family() / 'crt-src/crt0.S',
+ output: 'crt0.o',
+ install: true,
+ install_dir: get_option('libdir')
+ )
+
+ custom_target('crti',
+ build_by_default: true,
+ command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
+ input: host_machine.cpu_family() / 'crt-src/crti.S',
+ output: 'crti.o',
+ install: true,
+ install_dir: get_option('libdir')
+ )
+
+ custom_target('crtn',
+ build_by_default: true,
+ command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
+ input: host_machine.cpu_family() / 'crt-src/crtn.S',
+ output: 'crtn.o',
+ install: true,
+ install_dir: get_option('libdir')
+ )
+endif
+
diff --git a/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crt0.S b/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crt0.S
new file mode 100644
index 0000000..d16a46f
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crt0.S
@@ -0,0 +1,7 @@
+.section .text
+.global _start
+_start:
+ mov $main, %rdi
+ call __mlibc_entry
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crti.S b/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crti.S
new file mode 100644
index 0000000..911b078
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crti.S
@@ -0,0 +1,11 @@
+.section .init
+.global _init
+_init:
+ push %rax
+
+.section .fini
+.global _fini
+_fini:
+ push %rax
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crtn.S b/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crtn.S
new file mode 100644
index 0000000..0187e50
--- /dev/null
+++ b/lib/mlibc/sysdeps/lyre/x86_64/crt-src/crtn.S
@@ -0,0 +1,9 @@
+.section .init
+ pop %rax
+ ret
+
+.section .fini
+ pop %rax
+ ret
+.section .note.GNU-stack,"",%progbits
+