Giacomo Travaglini has submitted this change and it was merged. ( https://gem5-review.googlesource.com/c/public/gem5/+/16544 )

Change subject: dev-arm: Set ICV_IGRPEN<n>_EL1-ICH_VMCR_EL2 mapping on reads
......................................................................

dev-arm: Set ICV_IGRPEN<n>_EL1-ICH_VMCR_EL2 mapping on reads

Reading ICV_IGRPEN<n>_EL1 should return the value of VMCR_EL2.VENG0 and
VMCR_EL2.VENG1 bits.

Change-Id: Ia5d748cf60ba074cccf4c127ac479c5cb881773d
Signed-off-by: Giacomo Travaglini <[email protected]>
Reviewed-by: Jan-Peter Larsson <[email protected]>
Reviewed-by: Andreas Sandberg <[email protected]>
Reviewed-on: https://gem5-review.googlesource.com/c/16544
Maintainer: Andreas Sandberg <[email protected]>
---
M src/dev/arm/gic_v3_cpu_interface.cc
1 file changed, 16 insertions(+), 2 deletions(-)

Approvals:
  Andreas Sandberg: Looks good to me, approved; Looks good to me, approved



diff --git a/src/dev/arm/gic_v3_cpu_interface.cc b/src/dev/arm/gic_v3_cpu_interface.cc
index 1beceac..f00a86a 100644
--- a/src/dev/arm/gic_v3_cpu_interface.cc
+++ b/src/dev/arm/gic_v3_cpu_interface.cc
@@ -151,21 +151,35 @@
       case MISCREG_ICC_IGRPEN0:
       case MISCREG_ICC_IGRPEN0_EL1: {
           if ((currEL() == EL1) && !inSecureState() && hcr_fmo) {
-              return isa->readMiscRegNoEffect(MISCREG_ICV_IGRPEN0_EL1);
+              return readMiscReg(MISCREG_ICV_IGRPEN0_EL1);
           }

           break;
       }

+      case MISCREG_ICV_IGRPEN0_EL1: {
+          RegVal ich_vmcr_el2 =
+              isa->readMiscRegNoEffect(MISCREG_ICH_VMCR_EL2);
+          value = bits(ich_vmcr_el2, ICH_VMCR_EL2_VENG0_SHIFT);
+          break;
+      }
+
       case MISCREG_ICC_IGRPEN1:
       case MISCREG_ICC_IGRPEN1_EL1: {
           if ((currEL() == EL1) && !inSecureState() && hcr_imo) {
-              return isa->readMiscRegNoEffect(MISCREG_ICV_IGRPEN1_EL1);
+              return readMiscReg(MISCREG_ICV_IGRPEN1_EL1);
           }

           break;
       }

+      case MISCREG_ICV_IGRPEN1_EL1: {
+          RegVal ich_vmcr_el2 =
+              isa->readMiscRegNoEffect(MISCREG_ICH_VMCR_EL2);
+          value = bits(ich_vmcr_el2, ICH_VMCR_EL2_VENG1_SHIFT);
+          break;
+      }
+
       case MISCREG_ICC_MGRPEN1:
       case MISCREG_ICC_IGRPEN1_EL3: {
           // EnableGrp1S and EnableGrp1NS are aliased with

--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Ia5d748cf60ba074cccf4c127ac479c5cb881773d
Gerrit-Change-Number: 16544
Gerrit-PatchSet: 3
Gerrit-Owner: Giacomo Travaglini <[email protected]>
Gerrit-Reviewer: Andreas Sandberg <[email protected]>
Gerrit-Reviewer: Giacomo Travaglini <[email protected]>
Gerrit-MessageType: merged
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