From d81d17637a04746341fb6ae2e55597cd61a92c07 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Wed, 21 Dec 2022 16:08:16 -0700
Subject: [PATCH] arm: Support trace on armv8
Use the notrace attribute so that timer functions can be used when
tracing. This is required to avoid infinite loops when recording a trace.
Signed-off-by: Simon Glass <sjg@chromium.org>
---
arch/arm/cpu/armv8/generic_timer.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv8/generic_timer.c b/arch/arm/cpu/armv8/generic_timer.c
index f27a74b9d0..8f83372cbc 100644
--- a/arch/arm/cpu/armv8/generic_timer.c
+++ b/arch/arm/cpu/armv8/generic_timer.c
@@ -17,7 +17,7 @@ DECLARE_GLOBAL_DATA_PTR;
/*
* Generic timer implementation of get_tbclk()
*/
-unsigned long get_tbclk(void)
+unsigned long notrace get_tbclk(void)
{
unsigned long cntfrq;
asm volatile("mrs %0, cntfrq_el0" : "=r" (cntfrq));
@@ -78,7 +78,7 @@ unsigned long timer_read_counter(void)
/*
* timer_read_counter() using the Arm Generic Timer (aka arch timer).
*/
-unsigned long timer_read_counter(void)
+unsigned long notrace timer_read_counter(void)
{
unsigned long cntpct;
@@ -89,7 +89,7 @@ unsigned long timer_read_counter(void)
}
#endif
-uint64_t get_ticks(void)
+uint64_t notrace get_ticks(void)
{
unsigned long ticks = timer_read_counter();
--
2.39.5