1 files changed, 38 insertions, 0 deletions
diff --git a/lume-legacy/src/user/usys.S b/lume-legacy/src/user/usys.S
new file mode 100644
index 0000000..1e373d3
--- /dev/null
+++ b/lume-legacy/src/user/usys.S
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2026 Richard Qin
+
+#include "kernel/syscall.h"
+
+#define SYSCALL_NAME(name, sysname) \
+    .global name; \
+    name: \
+        li a7, SYS_ ## sysname; \
+        ecall; \
+        ret
+
+SYSCALL_NAME(sys_openat, openat)
+SYSCALL_NAME(sys_mknodat, mknodat)
+SYSCALL_NAME(sys_mkdirat, mkdirat)
+SYSCALL_NAME(sys_unlinkat, unlinkat)
+SYSCALL_NAME(sys_linkat, linkat)
+SYSCALL_NAME(sys_chdir, chdir)
+SYSCALL_NAME(sys_dup, dup)
+SYSCALL_NAME(sys_fstat, fstat)
+SYSCALL_NAME(sys_read, read)
+SYSCALL_NAME(sys_write, write)
+SYSCALL_NAME(sys_close, close)
+SYSCALL_NAME(sys_pipe2, pipe2)
+SYSCALL_NAME(sys_clone, clone)
+SYSCALL_NAME(sys_execve, execve)
+SYSCALL_NAME(sys_wait4, wait4)
+SYSCALL_NAME(sys_exit, exit)
+SYSCALL_NAME(sys_getpid, getpid)
+SYSCALL_NAME(sys_brk, brk)
+SYSCALL_NAME(sys_kill, kill)
+SYSCALL_NAME(sys_nanosleep, nanosleep)
+SYSCALL_NAME(sys_reboot, reboot)
+SYSCALL_NAME(sys_lseek, lseek)
+
+# === Custom / Debug Syscalls ===
+SYSCALL_NAME(sys_putc, putc)
+SYSCALL_NAME(sys_disk_test, disk_test)
+\ No newline at end of file