score: Use <sys/bitset.h> for Processor_mask

Implement the Processor_mask via <sys/bitset.h>.  Provide
_Processor_mask_To_uint32_t() to enable its use in device specific
routines, e.g. interrupt affinity register in an interrupt controller.

Update #3059.
This commit is contained in:
Sebastian Huber
2017-07-03 11:46:12 +02:00
parent 71943dd4d2
commit 3dfe55ee15
13 changed files with 73 additions and 76 deletions

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@@ -133,7 +133,10 @@ static void qoriq_clock_cleanup(void)
qoriq_clock_handler_install(&old_isr)
#define Clock_driver_support_set_interrupt_affinity(online_processors) \
qoriq_pic_set_affinities(CLOCK_INTERRUPT, online_processors[0])
qoriq_pic_set_affinities( \
CLOCK_INTERRUPT, \
_Processor_mask_To_uint32_t(online_processors, 0) \
)
#define Clock_driver_support_shutdown_hardware() \
qoriq_clock_cleanup()

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@@ -99,7 +99,8 @@ static void restart_interrupt(void *arg)
static void raise_restart_interrupt(void)
{
qoriq.pic.ipidr[RESTART_IPI_INDEX].reg = _SMP_Online_processors[0];
qoriq.pic.ipidr[RESTART_IPI_INDEX].reg =
_Processor_mask_To_uint32_t(&_SMP_Online_processors, 0);
ppc_synchronize_data();
ppc_synchronize_instructions();
}

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@@ -80,7 +80,7 @@ static void Clock_driver_timecounter_tick( void )
if ( _Per_CPU_Is_boot_processor( cpu ) ) {
rtems_timecounter_tick();
} else if ( _Processor_mask_Is_set( _SMP_Online_processors, cpu_index ) ) {
} else if ( _Processor_mask_Is_set( &_SMP_Online_processors, cpu_index ) ) {
_Watchdog_Tick( cpu );
}
}
@@ -227,7 +227,7 @@ rtems_device_driver Clock_initialize(
Clock_driver_support_install_isr( Clock_isr, Old_ticker );
#ifdef RTEMS_SMP
Clock_driver_support_set_interrupt_affinity( _SMP_Online_processors );
Clock_driver_support_set_interrupt_affinity( &_SMP_Online_processors );
#endif
/*

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@@ -59,7 +59,7 @@ void ambapp_dev_info(struct drvmgr_dev *, void (*print)(void *p, char *str), voi
int ambapp_int_set_affinity(
struct drvmgr_dev *dev,
int index,
Processor_mask cpus);
const Processor_mask *cpus);
#endif
struct drvmgr_bus_ops ambapp_bus_ops =

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@@ -50,7 +50,7 @@ int ambapp_grlib_int_unmask(
int ambapp_grlib_int_set_affinity(
struct drvmgr_dev *dev,
int irq,
Processor_mask cpus);
const Processor_mask *cpus);
#endif
int ambapp_grlib_get_params(
struct drvmgr_dev *dev,
@@ -233,7 +233,7 @@ int ambapp_grlib_int_set_affinity
(
struct drvmgr_dev *dev,
int irq,
Processor_mask cpus
const Processor_mask *cpus
)
{
uint32_t cpu_count = rtems_get_processor_count();

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@@ -91,7 +91,7 @@ struct ambapp_ops {
int (*int_unmask)(struct drvmgr_dev *dev, int index);
#ifdef RTEMS_SMP
int (*int_set_affinity)(struct drvmgr_dev *dev, int index,
Processor_mask cpus);
const Processor_mask *cpus);
#endif
int (*get_params)
(struct drvmgr_dev *, struct drvmgr_bus_params *);

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@@ -140,7 +140,7 @@ struct drvmgr_bus_ops {
int (*int_unmask)(struct drvmgr_dev *, int index);
#ifdef RTEMS_SMP
int (*int_set_affinity)(struct drvmgr_dev *, int index,
Processor_mask cpus);
const Processor_mask *cpus);
#endif
/* Get Parameters */
@@ -645,7 +645,7 @@ extern int drvmgr_interrupt_mask(
extern int drvmgr_interrupt_set_affinity(
struct drvmgr_dev *dev,
int index,
Processor_mask cpus);
const Processor_mask *cpus);
#endif
/*! drvmgr_translate() translation options */

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@@ -142,7 +142,7 @@ int drvmgr_interrupt_mask(
int drvmgr_interrupt_set_affinity(
struct drvmgr_dev *dev,
int index,
Processor_mask cpus)
const Processor_mask *cpus)
{
if (!dev || !dev->parent || !dev->parent->ops->int_set_affinity)
return -1;

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@@ -7,7 +7,7 @@
*/
/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
* Copyright (c) 2016, 2017 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
@@ -25,6 +25,9 @@
#include <rtems/score/cpu.h>
#include <sys/_bitset.h>
#include <sys/bitset.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
@@ -41,75 +44,65 @@ extern "C" {
* @{
*/
#define PROCESSOR_MASK_BITS_PER_FIELD 32
#define PROCESSOR_MASK_FIELD_COUNT \
( ( CPU_MAXIMUM_PROCESSORS + PROCESSOR_MASK_BITS_PER_FIELD - 1 ) \
/ PROCESSOR_MASK_BITS_PER_FIELD )
#define PROCESSOR_MASK_BIT( index ) \
(1UL << ( ( index ) % PROCESSOR_MASK_BITS_PER_FIELD ) )
#define PROCESSOR_MASK_FIELD( index ) \
( ( index ) / PROCESSOR_MASK_BITS_PER_FIELD )
/**
* @brief A bit map consisting of 32-bit integer fields which is large enough
* to provide one bit for each processor in the system.
*
* Processor 0 corresponds to the bit 0 (least-significant) of the field 0 in
* the array, and so on.
* @brief A bit map which is large enough to provide one bit for each processor
* in the system.
*/
typedef uint32_t Processor_mask[ PROCESSOR_MASK_FIELD_COUNT ];
typedef BITSET_DEFINE( Processor_mask, CPU_MAXIMUM_PROCESSORS ) Processor_mask;
RTEMS_INLINE_ROUTINE void _Processor_mask_Zero( Processor_mask mask )
RTEMS_INLINE_ROUTINE void _Processor_mask_Zero( Processor_mask *mask )
{
size_t i;
for ( i = 0; i < PROCESSOR_MASK_FIELD_COUNT; ++i ) {
mask[ i ] = 0;
}
BIT_ZERO( CPU_MAXIMUM_PROCESSORS, mask );
}
RTEMS_INLINE_ROUTINE bool _Processor_mask_Is_zero( const Processor_mask mask )
RTEMS_INLINE_ROUTINE bool _Processor_mask_Is_zero( const Processor_mask *mask )
{
size_t i;
for ( i = 0; i < PROCESSOR_MASK_FIELD_COUNT; ++i ) {
if ( mask[ i ] != 0 ) {
return false;
}
}
return true;
return BIT_EMPTY( CPU_MAXIMUM_PROCESSORS, mask );
}
RTEMS_INLINE_ROUTINE void _Processor_mask_Assign( Processor_mask dst, const Processor_mask src )
RTEMS_INLINE_ROUTINE void _Processor_mask_Assign(
Processor_mask *dst, const Processor_mask *src
)
{
size_t i;
for ( i = 0; i < PROCESSOR_MASK_FIELD_COUNT; ++i ) {
dst[ i ] = src[ i ];
}
BIT_COPY( CPU_MAXIMUM_PROCESSORS, src, dst );
}
RTEMS_INLINE_ROUTINE void _Processor_mask_Set( Processor_mask mask, uint32_t index )
RTEMS_INLINE_ROUTINE void _Processor_mask_Set(
Processor_mask *mask,
uint32_t index
)
{
mask[ PROCESSOR_MASK_FIELD( index ) ] |= PROCESSOR_MASK_BIT( index );
BIT_SET( CPU_MAXIMUM_PROCESSORS, index, mask );
}
RTEMS_INLINE_ROUTINE void _Processor_mask_Clear( Processor_mask mask, uint32_t index )
RTEMS_INLINE_ROUTINE void _Processor_mask_Clear(
Processor_mask *mask,
uint32_t index
)
{
mask[ PROCESSOR_MASK_FIELD( index ) ] &= ~PROCESSOR_MASK_BIT( index );
BIT_CLR( CPU_MAXIMUM_PROCESSORS, index, mask );
}
RTEMS_INLINE_ROUTINE bool _Processor_mask_Is_set(
const Processor_mask mask,
uint32_t index
const Processor_mask *mask,
uint32_t index
)
{
return ( mask[ PROCESSOR_MASK_FIELD( index ) ]
& PROCESSOR_MASK_BIT( index ) ) != 0;
return BIT_ISSET( CPU_MAXIMUM_PROCESSORS, index, mask );
}
/**
* @brief Returns the subset of 32 processors containing the specified index as
* an unsigned 32-bit integer.
*/
RTEMS_INLINE_ROUTINE uint32_t _Processor_mask_To_uint32_t(
const Processor_mask *mask,
uint32_t index
)
{
long bits = mask->__bits[ __bitset_words( index ) ];
return (uint32_t) (bits >> (32 * (index % _BITSET_BITS) / 32));
}
/** @} */

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@@ -241,8 +241,8 @@ void _SMP_Send_message_broadcast(
* @param[in] message The message.
*/
void _SMP_Send_message_multicast(
const Processor_mask targets,
unsigned long message
const Processor_mask *targets,
unsigned long message
);
typedef void ( *SMP_Action_handler )( void *arg );

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@@ -101,7 +101,7 @@ static void _SMP_Start_processors( uint32_t cpu_count )
cpu->Scheduler.control = scheduler;
cpu->Scheduler.context = context;
_Processor_mask_Set( _SMP_Online_processors, cpu_index );
_Processor_mask_Set( &_SMP_Online_processors, cpu_index );
}
}
}
@@ -217,7 +217,7 @@ void _SMP_Send_message_broadcast( unsigned long message )
for ( cpu_index = 0 ; cpu_index < cpu_count ; ++cpu_index ) {
if (
cpu_index != cpu_index_self
&& _Processor_mask_Is_set( _SMP_Online_processors, cpu_index )
&& _Processor_mask_Is_set( &_SMP_Online_processors, cpu_index )
) {
_SMP_Send_message( cpu_index, message );
}
@@ -225,8 +225,8 @@ void _SMP_Send_message_broadcast( unsigned long message )
}
void _SMP_Send_message_multicast(
const Processor_mask targets,
unsigned long message
const Processor_mask *targets,
unsigned long message
)
{
uint32_t cpu_count = _SMP_Get_processor_count();

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@@ -47,12 +47,12 @@ void _SMP_Multicast_actions_process( void )
while ( !_Chain_Is_tail( &_SMP_Multicast.Actions, &node->Node ) ) {
next = (SMP_Multicast_action *) _Chain_Next( &node->Node );
if ( _Processor_mask_Is_set( node->targets, cpu_self_index ) ) {
_Processor_mask_Clear( node->targets, cpu_self_index );
if ( _Processor_mask_Is_set( &node->targets, cpu_self_index ) ) {
_Processor_mask_Clear( &node->targets, cpu_self_index );
( *node->handler )( node->arg );
if ( _Processor_mask_Is_zero( node->targets ) ) {
if ( _Processor_mask_Is_zero( &node->targets ) ) {
_Chain_Extract_unprotected( &node->Node );
_Atomic_Store_ulong( &node->done, 1, ATOMIC_ORDER_RELEASE );
}
@@ -106,13 +106,13 @@ void _SMP_Multicast_action(
}
if( cpus == NULL ) {
_Processor_mask_Assign( targets, _SMP_Online_processors );
_Processor_mask_Assign( &targets, &_SMP_Online_processors );
} else {
_Processor_mask_Zero( targets );
_Processor_mask_Zero( &targets );
for ( i = 0; i < _SMP_Get_processor_count(); ++i ) {
if ( CPU_ISSET_S( i, setsize, cpus ) ) {
_Processor_mask_Set( targets, i );
_Processor_mask_Set( &targets, i );
}
}
}
@@ -120,14 +120,14 @@ void _SMP_Multicast_action(
_Chain_Initialize_node( &node.Node );
node.handler = handler;
node.arg = arg;
_Processor_mask_Assign( node.targets, targets );
_Processor_mask_Assign( &node.targets, &targets );
_Atomic_Store_ulong( &node.done, 0, ATOMIC_ORDER_RELAXED );
_SMP_lock_ISR_disable_and_acquire( &_SMP_Multicast.Lock, &lock_context );
_Chain_Prepend_unprotected( &_SMP_Multicast.Actions, &node.Node );
_SMP_lock_Release_and_ISR_enable( &_SMP_Multicast.Lock, &lock_context );
_SMP_Send_message_multicast( targets, SMP_MESSAGE_MULTICAST_ACTION );
_SMP_Send_message_multicast( &targets, SMP_MESSAGE_MULTICAST_ACTION );
_SMP_Multicasts_try_process();
while ( _Atomic_Load_ulong( &node.done, ATOMIC_ORDER_ACQUIRE ) == 0 ) {

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@@ -162,7 +162,7 @@ static void test_send_message_flood(
for (cpu_index = 0; cpu_index < cpu_count; ++cpu_index) {
rtems_test_assert(
_Processor_mask_Is_set(_SMP_Online_processors, cpu_index)
_Processor_mask_Is_set(&_SMP_Online_processors, cpu_index)
);
printf(
@@ -176,7 +176,7 @@ static void test_send_message_flood(
for (; cpu_index < CPU_COUNT; ++cpu_index) {
rtems_test_assert(
!_Processor_mask_Is_set(_SMP_Online_processors, cpu_index)
!_Processor_mask_Is_set(&_SMP_Online_processors, cpu_index)
);
}
}