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armv7/8-m: change enter_critical_section to up_irq_save

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caused critical_monitor will gettime, that will caused
enter_critical_seciton recursive

Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd
2024-05-29 20:15:40 +08:00
committed by Xiang Xiao
parent 32f56c3c62
commit 72bdc9d9b4
2 changed files with 14 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm/src/armv7-m/arm_systick.c
+7 -6
View File
@@ -135,7 +135,7 @@ static int systick_getstatus(struct timer_lowerhalf_s *lower_,
struct timer_status_s *status) struct timer_status_s *status)
{ {
struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_; struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_;
irqstate_t flags = enter_critical_section(); irqstate_t flags = up_irq_save();
status->flags = lower->callback ? TCFLAGS_HANDLER : 0; status->flags = lower->callback ? TCFLAGS_HANDLER : 0;
status->flags |= systick_is_running() ? TCFLAGS_ACTIVE : 0; status->flags |= systick_is_running() ? TCFLAGS_ACTIVE : 0;
@@ -161,7 +161,7 @@ static int systick_getstatus(struct timer_lowerhalf_s *lower_,
status->timeleft = status->timeout; status->timeleft = status->timeout;
} }
leave_critical_section(flags); up_irq_restore(flags);
return 0; return 0;
} }
@@ -169,8 +169,8 @@ static int systick_settimeout(struct timer_lowerhalf_s *lower_,
uint32_t timeout) uint32_t timeout)
{ {
struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_; struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_;
irqstate_t flags = up_irq_save();
irqstate_t flags = enter_critical_section();
if (lower->next_interval) if (lower->next_interval)
{ {
/* If the timer callback is in the process, /* If the timer callback is in the process,
@@ -194,7 +194,7 @@ static int systick_settimeout(struct timer_lowerhalf_s *lower_,
} }
} }
leave_critical_section(flags); up_irq_restore(flags);
return 0; return 0;
} }
@@ -202,11 +202,12 @@ static void systick_setcallback(struct timer_lowerhalf_s *lower_,
tccb_t callback, void *arg) tccb_t callback, void *arg)
{ {
struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_; struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_;
irqstate_t flags = up_irq_save();
irqstate_t flags = enter_critical_section();
lower->callback = callback; lower->callback = callback;
lower->arg = arg; lower->arg = arg;
leave_critical_section(flags);
up_irq_restore(flags);
} }
static int systick_maxtimeout(struct timer_lowerhalf_s *lower_, static int systick_maxtimeout(struct timer_lowerhalf_s *lower_,
arch/arm/src/armv8-m/arm_systick.c
+7 -6
View File
@@ -135,7 +135,7 @@ static int systick_getstatus(struct timer_lowerhalf_s *lower_,
struct timer_status_s *status) struct timer_status_s *status)
{ {
struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_; struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_;
irqstate_t flags = enter_critical_section(); irqstate_t flags = up_irq_save();
status->flags = lower->callback ? TCFLAGS_HANDLER : 0; status->flags = lower->callback ? TCFLAGS_HANDLER : 0;
status->flags |= systick_is_running() ? TCFLAGS_ACTIVE : 0; status->flags |= systick_is_running() ? TCFLAGS_ACTIVE : 0;
@@ -161,7 +161,7 @@ static int systick_getstatus(struct timer_lowerhalf_s *lower_,
status->timeleft = status->timeout; status->timeleft = status->timeout;
} }
leave_critical_section(flags); up_irq_restore(flags);
return 0; return 0;
} }
@@ -169,8 +169,8 @@ static int systick_settimeout(struct timer_lowerhalf_s *lower_,
uint32_t timeout) uint32_t timeout)
{ {
struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_; struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_;
irqstate_t flags = up_irq_save();
irqstate_t flags = enter_critical_section();
if (lower->next_interval) if (lower->next_interval)
{ {
/* If the timer callback is in the process, /* If the timer callback is in the process,
@@ -194,7 +194,7 @@ static int systick_settimeout(struct timer_lowerhalf_s *lower_,
} }
} }
leave_critical_section(flags); up_irq_restore(flags);
return 0; return 0;
} }
@@ -202,11 +202,12 @@ static void systick_setcallback(struct timer_lowerhalf_s *lower_,
tccb_t callback, void *arg) tccb_t callback, void *arg)
{ {
struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_; struct systick_lowerhalf_s *lower = (struct systick_lowerhalf_s *)lower_;
irqstate_t flags = up_irq_save();
irqstate_t flags = enter_critical_section();
lower->callback = callback; lower->callback = callback;
lower->arg = arg; lower->arg = arg;
leave_critical_section(flags);
up_irq_restore(flags);
} }
static int systick_maxtimeout(struct timer_lowerhalf_s *lower_, static int systick_maxtimeout(struct timer_lowerhalf_s *lower_,