Giacomo Travaglini has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/36795 )
Change subject: kvm, arm: Add parameter to force simulation of Gicv2
......................................................................
kvm, arm: Add parameter to force simulation of Gicv2
By setting simulate_gic to True it will be possible to prevent
the simulation from using the host interrupt controller
Signed-off-by: Giacomo Travaglini <[email protected]>
Change-Id: I7c7df798e07bfaddbc2f1e7dd981b6aff621a9d1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/36795
Reviewed-by: Andreas Sandberg <[email protected]>
Reviewed-by: Hsuan Hsu <[email protected]>
Maintainer: Andreas Sandberg <[email protected]>
Tested-by: kokoro <[email protected]>
---
M src/arch/arm/kvm/KvmGic.py
M src/arch/arm/kvm/gic.cc
2 files changed, 5 insertions(+), 1 deletion(-)
Approvals:
Andreas Sandberg: Looks good to me, approved; Looks good to me, approved
Hsuan Hsu: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/arch/arm/kvm/KvmGic.py b/src/arch/arm/kvm/KvmGic.py
index 9796908..ce85ecb 100644
--- a/src/arch/arm/kvm/KvmGic.py
+++ b/src/arch/arm/kvm/KvmGic.py
@@ -41,3 +41,6 @@
class MuxingKvmGic(GicV2):
type = 'MuxingKvmGic'
cxx_header = "arch/arm/kvm/gic.hh"
+
+ simulate_gic = Param.Bool(False,
+ "Forcing the simulation to use the gem5 GIC instead of the host
GIC")
diff --git a/src/arch/arm/kvm/gic.cc b/src/arch/arm/kvm/gic.cc
index 6767833..feb764f 100644
--- a/src/arch/arm/kvm/gic.cc
+++ b/src/arch/arm/kvm/gic.cc
@@ -170,7 +170,8 @@
kernelGic(nullptr),
usingKvm(false)
{
- if (auto vm = system.getKvmVM()) {
+ auto vm = system.getKvmVM();
+ if (vm && !p.simulate_gic) {
kernelGic = new KvmKernelGicV2(*vm, p.cpu_addr, p.dist_addr,
p.it_lines);
}
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I7c7df798e07bfaddbc2f1e7dd981b6aff621a9d1
Gerrit-Change-Number: 36795
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: Hsuan Hsu <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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