From: Andrew Waterman <waterman@cs.berkeley.edu>
Date: Sun, 15 Sep 2013 11:24:39 +0000 (-0700)
Subject: Don't emit vector instructions for now
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=324c290f32f9c6e8953f14529d1e86659b2a2239;p=riscv-tests.git

Don't emit vector instructions for now
---

diff --git a/env/v/entry.S b/env/v/entry.S
index c3ac344..7f54f3d 100644
--- a/env/v/entry.S
+++ b/env/v/entry.S
@@ -148,11 +148,13 @@ trap_entry:
   move  sp,x2
   setpcr status, SR_EI
   move  a0,x2
+#if 0
   mfpcr ra,status
   and   ra,ra,SR_EV
   beqz  ra, 2f
   addi  x2,x2,39*REGBYTES
   vxcptsave x2
+#endif
 2:jal   handle_trap
 
   # when coming from kernel, continue below its stack
diff --git a/env/v/vm.c b/env/v/vm.c
index dd29a40..bfbf197 100644
--- a/env/v/vm.c
+++ b/env/v/vm.c
@@ -207,8 +207,10 @@ void handle_trap(trapframe_t* tf)
     assert(0);
 
 out:
+#if 0
   if (!(tf->sr & SR_PS) && (tf->sr & SR_EV))
     restore_vector(tf);
+#endif
   pop_tf(tf);
 }