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smp: Add and use _SMP_Should_start_processor()

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This commit is contained in:
Sebastian Huber
2014-12-23 08:28:24 +01:00
parent cfe6d05e3b
commit 2a4f9d7f18
4 changed files with 22 additions and 13 deletions
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6
c/src/lib/libbsp/i386/shared/smp/smp-imps.c
View File

@@ -57,7 +57,6 @@
#include <bsp/smp-imps.h>
#include <bsp/irq.h>
#include <rtems/score/smpimpl.h>
#include <rtems/score/schedulerimpl.h>
/*
* XXXXX The following absolutely must be defined!!!
@@ -387,10 +386,7 @@ imps_read_config_table(unsigned start, int count)
switch (*((unsigned char *)start)) {
case IMPS_BCT_PROCESSOR:
if ( imps_num_cpus < rtems_configuration_get_maximum_processors() ) {
const Scheduler_Assignment *assignment =
_Scheduler_Get_assignment((uint32_t) imps_num_cpus);
if (_Scheduler_Should_start_processor(assignment)) {
if (_SMP_Should_start_processor((uint32_t) imps_num_cpus)) {
add_processor((imps_processor *)start);
}
} else

6
c/src/lib/libbsp/sparc/leon3/startup/bspclean.c
View File

@@ -23,7 +23,6 @@
#include <bsp/bootcard.h>
#include <rtems/bspIo.h>
#include <rtems/score/smpimpl.h>
#include <rtems/score/schedulerimpl.h>
void bsp_fatal_extension(
rtems_fatal_source source,
@@ -55,10 +54,7 @@ void bsp_fatal_extension(
uint32_t i;
for (i = 0; i < cpu_count; ++i) {
const Scheduler_Assignment *assignment = _Scheduler_Get_assignment( i );
if ( (i != self_cpu) &&
_Scheduler_Should_start_processor( assignment ) ) {
if ( (i != self_cpu) && _SMP_Should_start_processor( i ) ) {
halt_mask |= UINT32_C(1) << i;
}
}

11
cpukit/score/include/rtems/score/smpimpl.h
View File

@@ -170,6 +170,17 @@ static inline void _SMP_Inter_processor_interrupt_handler( void )
}
}
/**
* @brief Returns true, if the processor with the specified index should be
* started.
*
* @param[in] cpu_index The processor index.
*
* @retval true The processor should be started.
* @retval false Otherwise.
*/
bool _SMP_Should_start_processor( uint32_t cpu_index );
/**
* @brief Sends a SMP message to a processor.
*

12
cpukit/score/src/smp.c
View File

@@ -118,18 +118,24 @@ void _SMP_Request_start_multitasking( void )
}
}
bool _SMP_Should_start_processor( uint32_t cpu_index )
{
const Scheduler_Assignment *assignment =
_Scheduler_Get_assignment( cpu_index );
return _Scheduler_Should_start_processor( assignment );
}
void _SMP_Start_multitasking_on_secondary_processor( void )
{
Per_CPU_Control *self_cpu = _Per_CPU_Get();
uint32_t cpu_index_self = _Per_CPU_Get_index( self_cpu );
const Scheduler_Assignment *assignment =
_Scheduler_Get_assignment( cpu_index_self );
if ( cpu_index_self >= rtems_configuration_get_maximum_processors() ) {
_SMP_Fatal( SMP_FATAL_MULTITASKING_START_ON_INVALID_PROCESSOR );
}
if ( !_Scheduler_Should_start_processor( assignment ) ) {
if ( !_SMP_Should_start_processor( cpu_index_self ) ) {
_SMP_Fatal( SMP_FATAL_MULTITASKING_START_ON_UNASSIGNED_PROCESSOR );
}