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risc-v/espressif: Use spinlock APIs for defining critical sections

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Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
This commit is contained in:
Gustavo Henrique Nihei 2023-04-05 10:15:55 -03:00 committed by Alan Carvalho de Assis
parent d356ad633f
commit 38861f6154
1 changed files with 20 additions and 18 deletions
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38
arch/risc-v/src/espressif/esp_hr_timer.c
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@ -37,6 +37,7 @@
#include <nuttx/kmalloc.h>
#include <nuttx/kthread.h>
#include <nuttx/semaphore.h>
#include <nuttx/spinlock.h>
#include "esp_irq.h"
#include "esp_hr_timer.h"
@ -74,6 +75,7 @@ struct esp_hr_timer_context_s
sem_t toutsem;
struct list_node runlist;
struct list_node toutlist;
spinlock_t lock;
systimer_hal_context_t hal;
};
@ -125,7 +127,7 @@ static int esp_hr_timer_thread(int argc, char *argv[])
VERIFY(nxsem_wait_uninterruptible(&priv->toutsem));
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(&priv->lock);
/* Process all the timers in list */
@ -151,7 +153,7 @@ static int esp_hr_timer_thread(int argc, char *argv[])
timer->state = HR_TIMER_IDLE;
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
if (raw_state == HR_TIMER_TIMEOUT)
{
@ -164,7 +166,7 @@ static int esp_hr_timer_thread(int argc, char *argv[])
/* Enter critical section for next scanning list */
flags = enter_critical_section();
flags = spin_lock_irqsave(&priv->lock);
if (raw_state == HR_TIMER_TIMEOUT)
{
@ -177,7 +179,7 @@ static int esp_hr_timer_thread(int argc, char *argv[])
}
}
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
return 0;
@ -211,7 +213,7 @@ static int IRAM_ATTR esp_hr_timer_isr(int irq, void *context, void *arg)
systimer_ll_clear_alarm_int(priv->hal.dev, SYSTIMER_ALARM_ESPTIMER);
flags = enter_critical_section();
flags = spin_lock_irqsave(&priv->lock);
/* Check if there is a timer running */
@ -281,7 +283,7 @@ static int IRAM_ATTR esp_hr_timer_isr(int irq, void *context, void *arg)
}
}
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
return OK;
}
@ -356,7 +358,7 @@ void esp_hr_timer_start(struct esp_hr_timer_s *timer,
bool inserted = false;
uint64_t counter;
struct esp_hr_timer_s *p;
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(&priv->lock);
/* Only idle timer can be started */
@ -416,7 +418,7 @@ void esp_hr_timer_start(struct esp_hr_timer_s *timer,
timer->alarm);
}
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
/****************************************************************************
@ -437,7 +439,7 @@ void esp_hr_timer_stop(struct esp_hr_timer_s *timer)
{
struct esp_hr_timer_context_s *priv = &g_hr_timer_context;
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(&priv->lock);
/* "start" function can set the timer's repeat flag, and "stop" function
* should remove this flag.
@ -489,7 +491,7 @@ void esp_hr_timer_stop(struct esp_hr_timer_s *timer)
}
}
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
/****************************************************************************
@ -513,7 +515,7 @@ void esp_hr_timer_delete(struct esp_hr_timer_s *timer)
struct esp_hr_timer_context_s *priv = &g_hr_timer_context;
flags = enter_critical_section();
flags = spin_lock_irqsave(&priv->lock);
if (timer->state == HR_TIMER_READY)
{
@ -540,7 +542,7 @@ void esp_hr_timer_delete(struct esp_hr_timer_s *timer)
}
exit:
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
/****************************************************************************
@ -584,7 +586,7 @@ uint64_t IRAM_ATTR esp_hr_timer_get_alarm(void)
uint64_t counter;
uint64_t alarm_value;
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(&priv->lock);
counter = systimer_hal_get_time(&priv->hal, SYSTIMER_COUNTER_ESPTIMER);
alarm_value = systimer_hal_get_alarm_value(&priv->hal,
@ -600,7 +602,7 @@ uint64_t IRAM_ATTR esp_hr_timer_get_alarm(void)
alarm_value -= counter;
}
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
return alarm_value;
}
@ -623,10 +625,10 @@ void IRAM_ATTR esp_hr_timer_calibration(uint64_t time_us)
{
struct esp_hr_timer_context_s *priv = &g_hr_timer_context;
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(&priv->lock);
systimer_hal_counter_value_advance(&priv->hal, SYSTIMER_COUNTER_ESPTIMER,
time_us);
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
/****************************************************************************
@ -666,7 +668,7 @@ int esp_hr_timer_init(void)
priv->pid = (pid_t)pid;
{
irqstate_t flags = enter_critical_section();
irqstate_t flags = spin_lock_irqsave(&priv->lock);
periph_module_enable(PERIPH_SYSTIMER_MODULE);
systimer_hal_init(&priv->hal);
@ -697,7 +699,7 @@ int esp_hr_timer_init(void)
systimer_hal_connect_alarm_counter(&priv->hal, SYSTIMER_ALARM_ESPTIMER,
SYSTIMER_COUNTER_ESPTIMER);
leave_critical_section(flags);
spin_unlock_irqrestore(&priv->lock, flags);
}
esp_setup_irq(SYSTIMER_TARGET2_EDGE_INTR_SOURCE,