From: Andreas Sandberg <Andreas.Sandberg@ARM.com>
Date: Mon, 8 Dec 2014 09:49:53 +0000 (-0500)
Subject: arm: Fix decoding of PMXEVTYPER_EL0 and PMCCFILTR_EL0
X-Git-Tag: stable_2015_04_15~63
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9b7578d8c7f82e255776a354657d1f19f1ca64f4;p=gem5.git

arm: Fix decoding of PMXEVTYPER_EL0 and PMCCFILTR_EL0

The aarch64 system register decoder is currently not decoding
PMXEVTYPER_EL0 and PMCCFILTR_EL0 correctly. This changeset updates the
decoder so that they are decoded using the values in table C5-6 in ARM
DDI 0478A.c.
---

diff --git a/src/arch/arm/miscregs.cc b/src/arch/arm/miscregs.cc
index d8c257f08..2ad256273 100644
--- a/src/arch/arm/miscregs.cc
+++ b/src/arch/arm/miscregs.cc
@@ -3177,7 +3177,7 @@ decodeAArch64SysReg(unsigned op0, unsigned op1,
                       case 0:
                         return MISCREG_PMCCNTR_EL0;
                       case 1:
-                        return MISCREG_PMCCFILTR_EL0;
+                        return MISCREG_PMXEVTYPER_EL0;
                       case 2:
                         return MISCREG_PMXEVCNTR_EL0;
                     }
@@ -3434,6 +3434,11 @@ decodeAArch64SysReg(unsigned op0, unsigned op1,
                         return MISCREG_PMEVTYPER5_EL0;
                     }
                     break;
+                  case 15:
+                    switch (op2) {
+                      case 7:
+                        return MISCREG_PMCCFILTR_EL0;
+                    }
                 }
                 break;
               case 4: