refactor: promote new architecture to repository root

Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.

1 files changed, 0 insertions, 153 deletions

diff --git a/src/ulib/syscalls.c b/src/ulib/syscalls.c
deleted file mode 100644
index 676bf18..0000000
--- a/src/ulib/syscalls.c
+++ /dev/null
@@ -1,153 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2026 Richard Qin
- * Libc Syscall Shims
- */
-
-#include "common/types.h"
-#include "user/user.h"
-
-// Define external raw syscalls from usys.S
-extern int sys_openat(int dfd, const char *filename, int flags, int mode);
-extern int sys_mknodat(int dfd, const char *filename, int mode, int dev);
-extern int sys_mkdirat(int dfd, const char *path, int mode);
-extern int sys_unlinkat(int dfd, const char *path, int flags);
-extern int sys_linkat(int olddfd, const char *oldpath, int newdfd, const char *newpath, int flags);
-extern int sys_chdir(const char *path);
-extern int sys_dup(int oldfd);
-extern int sys_fstat(int fd, void *statbuf);
-extern int sys_read(int fd, void *buf, int count);
-extern int sys_write(int fd, const void *buf, int count);
-extern int sys_close(int fd);
-extern int sys_pipe2(int pipefd[2], int flags);
-extern int sys_clone(unsigned long flags, void *stack, int *ptid, void *tls, int *ctid);
-extern int sys_execve(const char *path, char *const argv[], char *const envp[]);
-extern int sys_wait4(int pid, int *status, int options, void *rusage);
-extern int sys_exit(int status);
-extern int sys_getpid();
-extern int sys_brk(int n);
-extern int sys_kill(int pid, int sig);
-extern int sys_nanosleep(void *req, void *rem);
-extern int sys_reboot(int magic1, int magic2, int cmd, void *arg);
-extern int sys_lseek(int fd, int offset, int whence);
-extern void sys_putc(char c);
-extern int sys_disk_test();
-
-// --- POSIX Implementation ---
-
-int open(const char *path, int flags)
-{
-    return sys_openat(AT_FDCWD, path, flags, 0);
-}
-
-int mknod(const char *path, short major, short minor)
-{
-    // Pack major/minor into simplified dev_t (major << 20 | minor)
-    int dev = (major << 20) | (minor & 0xFFFFF);
-    return sys_mknodat(AT_FDCWD, path, 0, dev);
-}
-
-int mkdir(const char *path)
-{
-    return sys_mkdirat(AT_FDCWD, path, 0);
-}
-
-int unlink(const char *path)
-{
-    return sys_unlinkat(AT_FDCWD, path, 0);
-}
-
-int link(const char *oldpath, const char *newpath)
-{
-    return sys_linkat(AT_FDCWD, oldpath, AT_FDCWD, newpath, 0);
-}
-
-int chdir(const char *path)
-{
-    return sys_chdir(path);
-}
-
-int fork()
-{
-    return sys_clone(0, 0, 0, 0, 0);
-}
-
-int exec(char *path, char **argv)
-{
-    return sys_execve(path, argv, 0);
-}
-
-int wait(uint64 status_addr)
-{
-    return sys_wait4(-1, (int *)status_addr, 0, 0);
-}
-
-int pipe(int p[])
-{
-    return sys_pipe2(p, 0);
-}
-
-int read(int fd, void *buf, int n)
-{
-    return sys_read(fd, buf, n);
-}
-
-int write(int fd, const void *buf, int n)
-{
-    return sys_write(fd, buf, n);
-}
-
-int close(int fd)
-{
-    return sys_close(fd);
-}
-
-int fstat(int fd, void *st)
-{
-    return sys_fstat(fd, st);
-}
-
-int dup(int fd)
-{
-    return sys_dup(fd);
-}
-
-int getpid()
-{
-    return sys_getpid();
-}
-
-char *sbrk(int n)
-{
-    return (char *)(long)sys_brk(n);
-}
-
-int kill(int pid)
-{
-    return sys_kill(pid, 0);
-}
-
-int sleep(int ticks)
-{
-    return sys_nanosleep((void *)(long)ticks, 0);
-}
-
-int shutdown()
-{
-    return sys_reboot(0, 0, 0, 0);
-}
-
-void putc(char c)
-{
-    sys_putc(c);
-}
-
-int disk_test()
-{
-    return sys_disk_test();
-}
-
-int lseek(int fd, int offset, int whence)
-{
-    return sys_lseek(fd, offset, whence);
-}
\ No newline at end of file