mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-28 09:38:53 +00:00
811410fdbb
Instead of hosting our outdated own fork, this commit now uses kernkonzept's nowadays available github source repositories. This hopefully simplifies updates, or cherry-picking single fixes.
36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
From b74e427801f045578c401a140a8e66404bb3ff19 Mon Sep 17 00:00:00 2001
|
|
From: Christian Prochaska <christian.prochaska@genode-labs.com>
|
|
Date: Tue, 12 Feb 2019 19:54:06 +0100
|
|
Subject: [PATCH 14/15] Always enable user mode access for performance monitors
|
|
|
|
QEMU implements the cycle count register read by
|
|
'Genode::Trace::timestamp()', but does not report a supported debug model
|
|
version for Cortex-A9.
|
|
---
|
|
kernel/fiasco/src/kern/arm/perf_cnt-arm.cpp | 9 +++++++--
|
|
1 file changed, 7 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/kernel/fiasco/src/kern/arm/perf_cnt-arm.cpp b/kernel/fiasco/src/kern/arm/perf_cnt-arm.cpp
|
|
index b7d6a935..bff54286 100644
|
|
--- a/kernel/fiasco/src/kern/arm/perf_cnt-arm.cpp
|
|
+++ b/kernel/fiasco/src/kern/arm/perf_cnt-arm.cpp
|
|
@@ -190,8 +190,13 @@ PUBLIC static FIASCO_INIT_CPU
|
|
void
|
|
Perf_cnt::init_cpu()
|
|
{
|
|
- if (!is_avail())
|
|
- return;
|
|
+ /*
|
|
+ * QEMU implements the cycle count register read by
|
|
+ * 'Genode::Trace::timestamp()', but does not report a supported debug model
|
|
+ * version for Cortex-A9.
|
|
+ */
|
|
+ //if (!is_avail())
|
|
+ //return;
|
|
|
|
_nr_counters = (pmcr() >> 11) & 0x1f;
|
|
|
|
--
|
|
2.11.0
|
|
|