derek/gem5
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dev-arm: A9SCU fixup

Browse Source 
Shifting instead of expensive power.

Change-Id: I164933257db125e18721c5b8bcaf9702030ebf40
Signed-off-by: Tiago Mück <tiago.muck@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19408
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Tiago Muck
2019-05-16 16:27:36 -05:00
committed by Tiago Mück
parent 61a9980933
commit 42f32d159b
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/dev/arm/a9scu.cc
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2010 ARM Limited
* Copyright (c) 2010,2019 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
@@ -73,7 +73,7 @@ A9SCU::read(PacketPtr pkt)
fatal("Too many CPUs (%d) for A9SCU!\n", sys->numContexts());
}
int smp_bits, core_cnt;
smp_bits = power(2,sys->numContexts()) - 1;
smp_bits = (1 << sys->numContexts()) - 1;
core_cnt = sys->numContexts() - 1;
pkt->setLE(smp_bits << 4 | core_cnt);
break;