From d81d17637a04746341fb6ae2e55597cd61a92c07 Mon Sep 17 00:00:00 2001 From: Simon Glass 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 --- 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 f27a74b..8f83372 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(); -- 2.7.4