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71311b73
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71311b73
编写于
9月 28, 2019
作者:
B
Bernard Xiong
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[Kernel] Fix the wrong indentation
上级
5cd65092
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
49 addition
and
50 deletion
+49
-50
src/Kconfig
src/Kconfig
+4
-4
src/cpu.c
src/cpu.c
+43
-44
src/scheduler.c
src/scheduler.c
+2
-2
未找到文件。
src/Kconfig
浏览文件 @
71311b73
...
...
@@ -20,7 +20,7 @@ config RT_USING_ARCH_DATA_TYPE
config RT_USING_SMP
bool "Enable SMP(Symmetric multiprocessing)"
default n
help
help
This option should be selected by machines which have an SMP-
capable CPU.
The only effect of this option is to make the SMP-related
...
...
@@ -28,10 +28,10 @@ config RT_USING_SMP
config RT_CPUS_NR
int "Number of CPUs"
default 2
depends on RT_USING_SMP
default 2
depends on RT_USING_SMP
help
Number of CPUs in the system
Number of CPUs in the system
config RT_ALIGN_SIZE
int "Alignment size for CPU architecture data access"
...
...
src/cpu.c
浏览文件 @
71311b73
...
...
@@ -7,9 +7,8 @@
* Date Author Notes
* 2018-10-30 Bernard The first version
*/
#include <rtthread.h>
#include <rthw.h>
#include <rtthread.h>
#ifdef RT_USING_SMP
static
struct
rt_cpu
rt_cpus
[
RT_CPUS_NR
];
...
...
@@ -20,24 +19,24 @@ rt_hw_spinlock_t _cpus_lock;
*/
static
void
rt_preempt_disable
(
void
)
{
register
rt_base_t
level
;
struct
rt_thread
*
current_thread
;
register
rt_base_t
level
;
struct
rt_thread
*
current_thread
;
/* disable interrupt */
level
=
rt_hw_local_irq_disable
();
/* disable interrupt */
level
=
rt_hw_local_irq_disable
();
current_thread
=
rt_thread_self
();
if
(
!
current_thread
)
{
rt_hw_local_irq_enable
(
level
);
return
;
}
current_thread
=
rt_thread_self
();
if
(
!
current_thread
)
{
rt_hw_local_irq_enable
(
level
);
return
;
}
/* lock scheduler for local cpu */
current_thread
->
scheduler_lock_nest
++
;
/* lock scheduler for local cpu */
current_thread
->
scheduler_lock_nest
++
;
/* enable interrupt */
rt_hw_local_irq_enable
(
level
);
/* enable interrupt */
rt_hw_local_irq_enable
(
level
);
}
/*
...
...
@@ -45,66 +44,66 @@ static void rt_preempt_disable(void)
*/
static
void
rt_preempt_enable
(
void
)
{
register
rt_base_t
level
;
struct
rt_thread
*
current_thread
;
register
rt_base_t
level
;
struct
rt_thread
*
current_thread
;
/* disable interrupt */
level
=
rt_hw_local_irq_disable
();
/* disable interrupt */
level
=
rt_hw_local_irq_disable
();
current_thread
=
rt_thread_self
();
if
(
!
current_thread
)
{
rt_hw_local_irq_enable
(
level
);
return
;
}
current_thread
=
rt_thread_self
();
if
(
!
current_thread
)
{
rt_hw_local_irq_enable
(
level
);
return
;
}
/* unlock scheduler for local cpu */
current_thread
->
scheduler_lock_nest
--
;
/* unlock scheduler for local cpu */
current_thread
->
scheduler_lock_nest
--
;
rt_schedule
();
/* enable interrupt */
rt_hw_local_irq_enable
(
level
);
rt_schedule
();
/* enable interrupt */
rt_hw_local_irq_enable
(
level
);
}
void
rt_spin_lock_init
(
struct
rt_spinlock
*
lock
)
{
rt_hw_spin_lock_init
(
&
lock
->
lock
);
rt_hw_spin_lock_init
(
&
lock
->
lock
);
}
RTM_EXPORT
(
rt_spin_lock_init
)
void
rt_spin_lock
(
struct
rt_spinlock
*
lock
)
{
rt_preempt_disable
();
rt_hw_spin_lock
(
&
lock
->
lock
);
rt_preempt_disable
();
rt_hw_spin_lock
(
&
lock
->
lock
);
}
RTM_EXPORT
(
rt_spin_lock
)
void
rt_spin_unlock
(
struct
rt_spinlock
*
lock
)
{
rt_hw_spin_unlock
(
&
lock
->
lock
);
rt_preempt_enable
();
rt_hw_spin_unlock
(
&
lock
->
lock
);
rt_preempt_enable
();
}
RTM_EXPORT
(
rt_spin_unlock
)
rt_base_t
rt_spin_lock_irqsave
(
struct
rt_spinlock
*
lock
)
{
unsigned
long
level
;
unsigned
long
level
;
rt_preempt_disable
();
rt_preempt_disable
();
level
=
rt_hw_local_irq_disable
();
rt_hw_spin_lock
(
&
lock
->
lock
);
level
=
rt_hw_local_irq_disable
();
rt_hw_spin_lock
(
&
lock
->
lock
);
return
level
;
return
level
;
}
RTM_EXPORT
(
rt_spin_lock_irqsave
)
void
rt_spin_unlock_irqrestore
(
struct
rt_spinlock
*
lock
,
rt_base_t
level
)
{
rt_hw_spin_unlock
(
&
lock
->
lock
);
rt_hw_local_irq_enable
(
level
);
rt_hw_spin_unlock
(
&
lock
->
lock
);
rt_hw_local_irq_enable
(
level
);
rt_preempt_enable
();
rt_preempt_enable
();
}
RTM_EXPORT
(
rt_spin_unlock_irqrestore
)
...
...
src/scheduler.c
浏览文件 @
71311b73
...
...
@@ -83,7 +83,7 @@ static void _rt_scheduler_stack_check(struct rt_thread *thread)
RT_ASSERT
(
thread
!=
RT_NULL
);
#if defined(ARCH_CPU_STACK_GROWS_UPWARD)
if
(
*
((
rt_uint8_t
*
)((
rt_ubase_t
)
thread
->
stack_addr
+
thread
->
stack_size
-
1
))
!=
'#'
||
if
(
*
((
rt_uint8_t
*
)((
rt_ubase_t
)
thread
->
stack_addr
+
thread
->
stack_size
-
1
))
!=
'#'
||
#else
if
(
*
((
rt_uint8_t
*
)
thread
->
stack_addr
)
!=
'#'
||
#endif
...
...
@@ -958,7 +958,7 @@ rt_uint16_t rt_critical_level(void)
return
current_thread
->
critical_lock_nest
;
#else
return
rt_scheduler_lock_nest
;
return
rt_scheduler_lock_nest
;
#endif
/*RT_USING_SMP*/
}
RTM_EXPORT
(
rt_critical_level
);
...
...
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