1 files changed, 31 insertions, 0 deletions
diff --git a/src/user/usys.S b/src/user/usys.S
new file mode 100644
index 0000000..e805d82
--- /dev/null
+++ b/src/user/usys.S
@@ -0,0 +1,31 @@
+#include "kernel/syscall.h"
+
+#define SYSCALL(name) \
+    .global name; \
+    name: \
+        li a7, SYS_ ## name; \
+        ecall; \
+        ret
+
+SYSCALL(fork)
+SYSCALL(exit)
+SYSCALL(wait)
+SYSCALL(pipe)
+SYSCALL(read)
+SYSCALL(write)
+SYSCALL(close)
+SYSCALL(kill)
+SYSCALL(exec)
+SYSCALL(open)
+SYSCALL(mknod)
+SYSCALL(unlink)
+SYSCALL(fstat)
+SYSCALL(link)
+SYSCALL(mkdir)
+SYSCALL(chdir)
+SYSCALL(dup)
+SYSCALL(getpid)
+SYSCALL(sbrk)
+SYSCALL(sleep)
+SYSCALL(uptime)
+SYSCALL(putc)
+\ No newline at end of file