From: Andrew Waterman <waterman@cs.berkeley.edu>
Date: Sun, 5 Jun 2011 06:17:19 +0000 (-0700)
Subject: [sim] add ability to clear IPIs
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ca156be905c8b414424673825cfda3f6425d3998;p=riscv-isa-sim.git

[sim] add ability to clear IPIs
---

diff --git a/riscv/insns/mfpcr.h b/riscv/insns/mfpcr.h
index b72b850..b151150 100644
--- a/riscv/insns/mfpcr.h
+++ b/riscv/insns/mfpcr.h
@@ -25,6 +25,9 @@ switch(insn.rtype.rs2)
   case 6:
     val = cause;
     break;
+  case 7:
+    cause &= ~(1 << (IPI_IRQ+CAUSE_IP_SHIFT));
+    break;
 
   case 8:
     val = MEMSIZE >> PGSHIFT;