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

dev-arm: GenericTimer, freq as 32-bit value

Browse Source 
The System Counter frequency is now a 32-bit value. This is consistent
with CNTFRQ and CNTFRQ_EL0 register sizes.

Change-Id: I39886a3767adbe9c58887b8b6d5f30ebc6035bcc
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22424
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Adrian Herrera
2019-10-28 19:38:06 +00:00
committed by Giacomo Travaglini
parent 90e524ba19
commit 7acd6a57c8
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/dev/arm/generic_timer.hh
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, 2015, 2017-2018 ARM Limited
* Copyright (c) 2013, 2015, 2017-2018, 2019 ARM Limited
* All rights reserved.
*
* The license below extends only to copyright in the software and shall
@@ -63,7 +63,7 @@ class SystemCounter : public Serializable
{
protected:
/// Counter frequency (as specified by CNTFRQ).
uint64_t _freq;
uint32_t _freq;
/// Cached copy of the counter period (inverse of the frequency).
Tick _period;
/// Tick when the counter was reset.
@@ -86,7 +86,7 @@ class SystemCounter : public Serializable
}
/// Returns the counter frequency.
uint64_t freq() const { return _freq; }
uint32_t freq() const { return _freq; }
/// Sets the counter frequency.
/// @param freq frequency in Hz.
void setFreq(uint32_t freq);