Giacomo Travaglini has submitted this change and it was merged. (
https://gem5-review.googlesource.com/c/public/gem5/+/13780 )
Change subject: arch-arm: IMPDEF for SYS instruction with CRn = {11, 15}
......................................................................
arch-arm: IMPDEF for SYS instruction with CRn = {11, 15}
According to the arm arm, a SYS instruction (op0 = 1) with CRn = (11 or
15) is implementation defined; this makes it trappable by having
HCR_EL2.TIDCP = 1.
Change-Id: Idd94ac345fee652ee6f8c0a7eb7b06ac75ec38ef
Signed-off-by: Giacomo Travaglini <[email protected]>
Reviewed-by: Andreas Sandberg <[email protected]>
Reviewed-on: https://gem5-review.googlesource.com/c/13780
Maintainer: Andreas Sandberg <[email protected]>
---
M src/arch/arm/miscregs.cc
1 file changed, 5 insertions(+), 0 deletions(-)
Approvals:
Andreas Sandberg: Looks good to me, approved; Looks good to me, approved
diff --git a/src/arch/arm/miscregs.cc b/src/arch/arm/miscregs.cc
index 07123bd..ebe72dd 100644
--- a/src/arch/arm/miscregs.cc
+++ b/src/arch/arm/miscregs.cc
@@ -1228,6 +1228,11 @@
break;
}
break;
+ case 11:
+ case 15:
+ // SYS Instruction with CRn = { 11, 15 }
+ // (Trappable by HCR_EL2.TIDCP)
+ return MISCREG_IMPDEF_UNIMPL;
}
break;
case 2:
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Idd94ac345fee652ee6f8c0a7eb7b06ac75ec38ef
Gerrit-Change-Number: 13780
Gerrit-PatchSet: 2
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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