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_SMP_Start_multitasking_on_secondary_processor()

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Pass current processor control as first parameter to make dependency
more explicit.
This commit is contained in:
Sebastian Huber
2018-07-24 11:18:27 +02:00
parent 4678d1a8b0
commit 406dd62c99
7 changed files with 28 additions and 17 deletions
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2
bsps/arm/include/bsp/arm-a9mpcore-start.h
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@@ -109,7 +109,7 @@ arm_a9mpcore_start_on_secondary_processor(void)
ctrl |= ARM_CP15_CTRL_I | ARM_CP15_CTRL_C | ARM_CP15_CTRL_M;
arm_cp15_set_control(ctrl);
_SMP_Start_multitasking_on_secondary_processor();
_SMP_Start_multitasking_on_secondary_processor(_Per_CPU_Get());
}
BSP_START_TEXT_SECTION static inline void

2
bsps/arm/raspberrypi/start/bspsmp_init.c
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@@ -77,5 +77,5 @@ void rpi_start_rtems_on_secondary_processor(void)
ctrl &= ~ARM_CP15_CTRL_V;
arm_cp15_set_control(ctrl);
_SMP_Start_multitasking_on_secondary_processor();
_SMP_Start_multitasking_on_secondary_processor(_Per_CPU_Get());
}

2
bsps/i386/pc386/start/smp-imps.c
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@@ -794,7 +794,7 @@ static void secondary_cpu_initialize(void)
enable_sse();
#endif
_SMP_Start_multitasking_on_secondary_processor();
_SMP_Start_multitasking_on_secondary_processor( _Per_CPU_Get() );
}
uint32_t _CPU_SMP_Initialize( void )

4
bsps/powerpc/qoriq/start/bspsmp.c
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@@ -53,7 +53,7 @@ void qoriq_start_thread(Per_CPU_Control *cpu_self)
bsp_interrupt_facility_initialize();
_SMP_Start_multitasking_on_secondary_processor();
_SMP_Start_multitasking_on_secondary_processor(cpu_self);
}
#endif
@@ -93,7 +93,7 @@ void bsp_start_on_secondary_processor(Per_CPU_Control *cpu_self)
cpu_index_self = _Per_CPU_Get_index(cpu_self);
start_thread_if_necessary(cpu_index_self);
_SMP_Start_multitasking_on_secondary_processor();
_SMP_Start_multitasking_on_secondary_processor(cpu_self);
}
#ifndef QORIQ_IS_HYPERVISOR_GUEST

2
bsps/sparc/leon3/start/bspsmp.c
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@@ -52,7 +52,7 @@ void bsp_start_on_secondary_processor(Per_CPU_Control *cpu_self)
cpu_index_self = _Per_CPU_Get_index(cpu_self);
LEON3_IrqCtrl_Regs->mask[cpu_index_self] |= 1U << LEON3_mp_irq;
_SMP_Start_multitasking_on_secondary_processor();
_SMP_Start_multitasking_on_secondary_processor(cpu_self);
}
uint32_t _CPU_SMP_Initialize( void )

7
cpukit/include/rtems/score/smpimpl.h
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@@ -134,9 +134,12 @@ extern Processor_mask _SMP_Online_processors;
* uses _Thread_Start_multitasking() instead.
*
* This function does not return to the caller.
*
* @param[in] cpu_self The current processor control.
*/
void _SMP_Start_multitasking_on_secondary_processor( void )
RTEMS_NO_RETURN;
void _SMP_Start_multitasking_on_secondary_processor(
Per_CPU_Control *cpu_self
) RTEMS_NO_RETURN;
typedef void ( *SMP_Test_message_handler )( Per_CPU_Control *cpu_self );

26
cpukit/score/src/smp.c
View File

@@ -145,14 +145,19 @@ void _SMP_Handler_initialize( void )
void _SMP_Request_start_multitasking( void )
{
Per_CPU_Control *self_cpu = _Per_CPU_Get();
uint32_t cpu_count = _SMP_Get_processor_count();
uint32_t cpu_index;
Per_CPU_Control *cpu_self;
uint32_t cpu_count;
uint32_t cpu_index;
_Per_CPU_State_change( self_cpu, PER_CPU_STATE_READY_TO_START_MULTITASKING );
cpu_self = _Per_CPU_Get();
_Per_CPU_State_change( cpu_self, PER_CPU_STATE_READY_TO_START_MULTITASKING );
cpu_count = _SMP_Get_processor_count();
for ( cpu_index = 0 ; cpu_index < cpu_count ; ++cpu_index ) {
Per_CPU_Control *cpu = _Per_CPU_Get_by_index( cpu_index );
Per_CPU_Control *cpu;
cpu = _Per_CPU_Get_by_index( cpu_index );
if ( _Per_CPU_Is_processor_online( cpu ) ) {
_Per_CPU_State_change( cpu, PER_CPU_STATE_REQUEST_START_MULTITASKING );
@@ -168,10 +173,13 @@ bool _SMP_Should_start_processor( uint32_t cpu_index )
return _Scheduler_Should_start_processor( assignment );
}
void _SMP_Start_multitasking_on_secondary_processor( void )
void _SMP_Start_multitasking_on_secondary_processor(
Per_CPU_Control *cpu_self
)
{
Per_CPU_Control *self_cpu = _Per_CPU_Get();
uint32_t cpu_index_self = _Per_CPU_Get_index( self_cpu );
uint32_t cpu_index_self;
cpu_index_self = _Per_CPU_Get_index( cpu_self );
if ( cpu_index_self >= rtems_configuration_get_maximum_processors() ) {
_SMP_Fatal( SMP_FATAL_MULTITASKING_START_ON_INVALID_PROCESSOR );
@@ -181,7 +189,7 @@ void _SMP_Start_multitasking_on_secondary_processor( void )
_SMP_Fatal( SMP_FATAL_MULTITASKING_START_ON_UNASSIGNED_PROCESSOR );
}
_Per_CPU_State_change( self_cpu, PER_CPU_STATE_READY_TO_START_MULTITASKING );
_Per_CPU_State_change( cpu_self, PER_CPU_STATE_READY_TO_START_MULTITASKING );
_Thread_Start_multitasking();
}