From 99b9c7533d32051770c9c32a763c457e617ee554 Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Tue, 21 Jan 2025 23:53:56 +0100
Subject: [PATCH] Cleaner assembly formatting string, syscall length checking

---
 user/usys.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/user/usys.py b/user/usys.py
index ad4e4c7..45dea8f 100755
--- a/user/usys.py
+++ b/user/usys.py
@@ -1,13 +1,18 @@
 #!/usr/bin/env python3
 
-template = """.global {name}
+template = """
+.global {name}
 {name}:
     li a7, SYS_{name}
     ecall
-    ret"""
+    ret
+""".strip()
 
 
 def genstub(syscall: str):
+    if not 3 >= len(syscall) <= 15:
+        raise ValueError("Syscall {} is too short/long!".format(syscall[:35]))
+
     return template.format(name=syscall)