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arm64: fix use arch-timer in SMP

Browse source 
reason:
only one timer will be effective at a time.

Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5 2024-09-08 14:08:16 +08:00 committed by Xiang Xiao
parent ea29217442
commit c039ea77ba
1 changed files with 8 additions and 4 deletions
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12
arch/arm64/src/common/arm64_arch_timer.c
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@ -70,8 +70,11 @@ struct arm64_oneshot_lowerhalf_s
void *arg; /* Argument that is passed to the handler */
uint64_t cycle_per_tick; /* cycle per tick */
oneshot_callback_t callback; /* Internal handler that receives callback */
bool running; /* True: timer is running */
bool init[CONFIG_SMP_NCPUS]; /* True: timer is init */
/* which cpu timer is running, -1 indicate timer stoppd */
int running;
};
/****************************************************************************
@ -157,7 +160,7 @@ static int arm64_arch_timer_compare_isr(int irq, void *regs, void *arg)
arm64_arch_timer_set_irq_mask(true);
if (priv->callback && priv->running)
if (priv->callback && priv->running == this_cpu())
{
/* Then perform the callback */
@ -228,7 +231,7 @@ static int arm64_tick_cancel(struct oneshot_lowerhalf_s *lower,
/* Disable int */
priv->running = false;
priv->running = -1;
arm64_arch_timer_set_irq_mask(true);
return OK;
@ -281,7 +284,7 @@ static int arm64_tick_start(struct oneshot_lowerhalf_s *lower,
priv->init[this_cpu()] = true;
}
priv->running = true;
priv->running = this_cpu();
next_cycle =
arm64_arch_timer_count() / priv->cycle_per_tick * priv->cycle_per_tick +
@ -374,6 +377,7 @@ struct oneshot_lowerhalf_s *arm64_oneshot_initialize(void)
/* Initialize the lower-half driver structure */
priv->lh.ops = &g_oneshot_ops;
priv->running = -1;
priv->cycle_per_tick = arm64_arch_timer_get_cntfrq() / TICK_PER_SEC;
tmrinfo("cycle_per_tick %" PRIu64 "\n", priv->cycle_per_tick);