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体验新版 GitCode,发现更多精彩内容 >>
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提交
da7751c0
编写于
11月 12, 2019
作者:
B
Bernard Xiong
提交者:
GitHub
11月 12, 2019
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差异文件
Merge pull request #3129 from jesven/fix_same_prio
修正相同优先级任务切换太频繁的问题
上级
e8a864c7
e03ac83a
变更
4
显示空白变更内容
内联
并排
Showing
4 changed file
with
22 addition
and
2 deletion
+22
-2
bsp/qemu-vexpress-a9/drivers/secondary_cpu.c
bsp/qemu-vexpress-a9/drivers/secondary_cpu.c
+1
-1
include/rtdef.h
include/rtdef.h
+4
-1
src/clock.c
src/clock.c
+2
-0
src/scheduler.c
src/scheduler.c
+15
-0
未找到文件。
bsp/qemu-vexpress-a9/drivers/secondary_cpu.c
浏览文件 @
da7751c0
...
...
@@ -44,7 +44,7 @@ void secondary_cpu_c_start(void)
arm_gic_cpu_init
(
0
,
REALVIEW_GIC_CPU_BASE
);
arm_gic_set_cpu
(
0
,
IRQ_PBA8_TIMER0_1
,
0x2
);
timer_init
(
0
,
1000
);
timer_init
(
0
,
1000
0
);
rt_hw_interrupt_install
(
IRQ_PBA8_TIMER0_1
,
rt_hw_timer2_isr
,
RT_NULL
,
"tick"
);
rt_hw_interrupt_umask
(
IRQ_PBA8_TIMER0_1
);
...
...
include/rtdef.h
浏览文件 @
da7751c0
...
...
@@ -491,7 +491,10 @@ typedef siginfo_t rt_siginfo_t;
#define RT_THREAD_RUNNING 0x03
/**< Running status */
#define RT_THREAD_BLOCK RT_THREAD_SUSPEND
/**< Blocked status */
#define RT_THREAD_CLOSE 0x04
/**< Closed status */
#define RT_THREAD_STAT_MASK 0x0f
#define RT_THREAD_STAT_MASK 0x07
#define RT_THREAD_STAT_YIELD 0x08
/**< indicate whether remaining_tick has been reloaded since last schedule */
#define RT_THREAD_STAT_YIELD_MASK RT_THREAD_STAT_YIELD
#define RT_THREAD_STAT_SIGNAL 0x10
/**< task hold signals */
#define RT_THREAD_STAT_SIGNAL_READY (RT_THREAD_STAT_SIGNAL | RT_THREAD_READY)
...
...
src/clock.c
浏览文件 @
da7751c0
...
...
@@ -89,6 +89,8 @@ void rt_tick_increase(void)
/* change to initialized tick */
thread
->
remaining_tick
=
thread
->
init_tick
;
thread
->
stat
|=
RT_THREAD_STAT_YIELD
;
/* yield */
rt_thread_yield
();
}
...
...
src/scheduler.c
浏览文件 @
da7751c0
...
...
@@ -344,8 +344,13 @@ void rt_schedule(void)
{
to_thread
=
current_thread
;
}
else
if
(
current_thread
->
current_priority
==
highest_ready_priority
&&
(
current_thread
->
stat
&
RT_THREAD_STAT_YIELD_MASK
)
==
0
)
{
to_thread
=
current_thread
;
}
else
{
current_thread
->
stat
&=
~
RT_THREAD_STAT_YIELD_MASK
;
rt_schedule_insert_thread
(
current_thread
);
}
}
...
...
@@ -435,8 +440,13 @@ void rt_schedule(void)
{
to_thread
=
rt_current_thread
;
}
else
if
(
rt_current_thread
->
current_priority
==
highest_ready_priority
&&
(
rt_current_thread
->
stat
&
RT_THREAD_STAT_YIELD_MASK
)
==
0
)
{
to_thread
=
rt_current_thread
;
}
else
{
rt_current_thread
->
stat
&=
~
RT_THREAD_STAT_YIELD_MASK
;
need_insert_from_thread
=
1
;
}
}
...
...
@@ -578,8 +588,13 @@ void rt_scheduler_do_irq_switch(void *context)
{
to_thread
=
current_thread
;
}
else
if
(
current_thread
->
current_priority
==
highest_ready_priority
&&
(
current_thread
->
stat
&
RT_THREAD_STAT_YIELD_MASK
)
==
0
)
{
to_thread
=
current_thread
;
}
else
{
current_thread
->
stat
&=
~
RT_THREAD_STAT_YIELD_MASK
;
rt_schedule_insert_thread
(
current_thread
);
}
}
...
...
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