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dev-arm: Use ArmISA::getAffinity in GICv3 redistributor

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The GICv3 redistributor was reading the MPIDR value and manually
extracting the affinity numbers from it. This is not necessary as there
is already a getAffinity helper function

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: I6ef150937b51bb065575ed2f432f4f5f0bc38b07
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/55704
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Giacomo Travaglini
2022-01-20 15:34:14 +00:00
parent c28feb20f2
commit 342ad01168
1 changed files with 1 additions and 11 deletions
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12
src/dev/arm/gic_v3_redistributor.cc
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@@ -1017,17 +1017,7 @@ uint32_t
Gicv3Redistributor::getAffinity() const
{
ThreadContext *tc = gic->getSystem()->threads[cpuId];
uint64_t mpidr = getMPIDR(gic->getSystem(), tc);
/*
* Aff3 = MPIDR[39:32]
* (Note getMPIDR() returns uint32_t so Aff3 is always 0...)
* Aff2 = MPIDR[23:16]
* Aff1 = MPIDR[15:8]
* Aff0 = MPIDR[7:0]
* affinity = Aff3.Aff2.Aff1.Aff0
*/
uint64_t affinity = ((mpidr & 0xff00000000) >> 8) | (mpidr & (0xffffff));
return affinity;
return gem5::ArmISA::getAffinity(gic->getSystem(), tc);
}
bool