Giacomo Travaglini has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/34875 )
Change subject: dev-arm: Implement GICv4.1 GICD_TYPER2 as RES0
......................................................................
dev-arm: Implement GICv4.1 GICD_TYPER2 as RES0
If GICv4.1 is not implemented (our case) the register should be
treated as RES0
Change-Id: Ia60f6dce9741c34bf167805f60c3fc8bf0897510
Signed-off-by: Giacomo Travaglini <[email protected]>
Reviewed-by: Ciro Santilli <[email protected]>
Reviewed-by: Andreas Sandberg <[email protected]>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34875
Maintainer: Andreas Sandberg <[email protected]>
Tested-by: kokoro <[email protected]>
---
M src/dev/arm/gic_v3_distributor.cc
M src/dev/arm/gic_v3_distributor.hh
2 files changed, 5 insertions(+), 0 deletions(-)
Approvals:
Andreas Sandberg: Looks good to me, approved; Looks good to me, approved
Ciro Santilli: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/dev/arm/gic_v3_distributor.cc
b/src/dev/arm/gic_v3_distributor.cc
index 27f404b..27fbe9c 100644
--- a/src/dev/arm/gic_v3_distributor.cc
+++ b/src/dev/arm/gic_v3_distributor.cc
@@ -472,6 +472,9 @@
//return 0x43b; // ARM JEP106 code (r0p0 GIC-500)
return 0;
+ case GICD_TYPER2: // Interrupt Controller Type Register 2
+ return 0; // RES0
+
case GICD_STATUSR: // Error Reporting Status Register
// Optional register, RAZ/WI
return 0x0;
diff --git a/src/dev/arm/gic_v3_distributor.hh
b/src/dev/arm/gic_v3_distributor.hh
index 99b65ed..5e17e2a 100644
--- a/src/dev/arm/gic_v3_distributor.hh
+++ b/src/dev/arm/gic_v3_distributor.hh
@@ -65,6 +65,8 @@
GICD_TYPER = 0x0004,
// Implementer Identification Register
GICD_IIDR = 0x0008,
+ // Interrupt Controller Type Register 2
+ GICD_TYPER2 = 0x000C,
// Error Reporting Status Register
GICD_STATUSR = 0x0010,
// Set Non-secure SPI Pending Register
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ia60f6dce9741c34bf167805f60c3fc8bf0897510
Gerrit-Change-Number: 34875
Gerrit-PatchSet: 2
Gerrit-Owner: Giacomo Travaglini <[email protected]>
Gerrit-Reviewer: Andreas Sandberg <[email protected]>
Gerrit-Reviewer: Ciro Santilli <[email protected]>
Gerrit-Reviewer: Giacomo Travaglini <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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