Remove unwanted mv ra,sp line in trap.S

thu-cs-lab · Nov 6, 2020 · 3aab532 · 3aab532
1 parent 7962e2a
commit 3aab532
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/kernel/kern/trap.S b/kernel/kern/trap.S
@@ -10,7 +10,6 @@ EXCEPTION_HANDLER:
 
     STORE ra, TF_ra(sp)
     csrrw ra, mscratch, sp          // 读出原来的 sp
-    mv ra, sp
     STORE ra, TF_sp(sp)
     STORE gp, TF_gp(sp)
     STORE tp, TF_tp(sp)