forked from Imagelibrary/rtems
2011-04-27 Jennifer Averett <Jennifer.Averett@OARcorp.com>
PR 1784 * sapi/src/exinit.c, score/Makefile.am, score/preinstall.am, score/include/rtems/bspsmp.h, score/src/percpu.c, score/src/smp.c, score/src/threadcreateidle.c: Split bspsmp.h into two files smp.h and bspsmp.h * score/include/rtems/score/smp.h: New file.
This commit is contained in:
Jennifer Averett
@@ -1,3 +1,12 @@
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2011-04-27 Jennifer Averett <Jennifer.Averett@OARcorp.com>
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PR 1784
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* sapi/src/exinit.c, score/Makefile.am, score/preinstall.am,
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score/include/rtems/bspsmp.h, score/src/percpu.c, score/src/smp.c,
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score/src/threadcreateidle.c: Split bspsmp.h into two files smp.h and
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bspsmp.h
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* score/include/rtems/score/smp.h: New file.
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2011-04-25 Jennifer Averett <Jennifer.Averett@OARcorp.com>
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* score/include/rtems/bspsmp.h: Did some prototype cleanup.
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@@ -58,7 +58,7 @@
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#endif
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#if defined(RTEMS_SMP)
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#include <rtems/bspsmp.h>
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#include <rtems/score/smp.h>
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#include <rtems/score/percpu.h>
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#endif
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@@ -37,7 +37,7 @@ include_rtems_score_HEADERS = include/rtems/score/address.h \
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include/rtems/score/tqdata.h include/rtems/score/userext.h \
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include/rtems/score/watchdog.h include/rtems/score/wkspace.h \
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include/rtems/score/cpuopts.h include/rtems/score/basedefs.h \
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include/rtems/score/smplock.h
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include/rtems/score/smplock.h include/rtems/score/smp.h
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if HAS_PTHREADS
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include_rtems_score_HEADERS += include/rtems/score/corespinlock.h \
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@@ -44,43 +44,8 @@
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extern "C" {
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#endif
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested so that RTEMS will reschedule on this CPU
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* because the currently executing thread needs to be switched out.
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*/
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#define RTEMS_BSP_SMP_CONTEXT_SWITCH_NECESSARY 0x01
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested so that RTEMS will reschedule on this CPU
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* because the currently executing thread has been sent a signal.
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*/
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#define RTEMS_BSP_SMP_SIGNAL_TO_SELF 0x02
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested so that this CPU will be shutdown. This is done
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* as part of rtems_executive_shutdown().
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*/
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#define RTEMS_BSP_SMP_SHUTDOWN 0x04
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested that the receiving CPU needs to perform a context
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* switch to the first task.
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*/
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#define RTEMS_BSP_SMP_FIRST_TASK 0x08
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#ifndef ASM
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/**
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* @brief Number of CPUs in SMP System
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*
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* This variable is set during the SMP initialization sequence to
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* indicate the number of CPUs in this system.
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*/
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SCORE_EXTERN uint32_t _SMP_Processor_count;
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/**
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* @brief Maximum Number of CPUs in SMP System
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*
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@@ -130,32 +95,6 @@ void rtems_smp_send_message(
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uint32_t message
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);
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/**
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* @brief Make Request of Others CPUs
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*
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* This method is invoked by RTEMS when it needs to make a request
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* of the other CPUs. It should be implemented using some type of
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* interprocessor interrupt. CPUs not including the originating
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* CPU should receive the message.
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*
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* @param [in] message is message to send
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*/
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void bsp_smp_broadcast_message(
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uint32_t message
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);
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/**
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* @brief Make Request of Others CPUs
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*
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* This method is invoked by XXX when it needs to make a request
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* of the other CPUs.
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*
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* @param [in] message is message to send
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*/
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void rtems_smp_broadcast_message(
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uint32_t message
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);
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/**
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* @brief Generate a Interprocessor Broadcast Interrupt
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*
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@@ -230,6 +169,12 @@ void rtems_smp_initialize_per_cpu(int cpu);
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*/
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void rtems_smp_process_interrupt(void);
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void bsp_smp_wait_for(
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volatile unsigned int *address,
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unsigned int desired,
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int maximum_usecs
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);
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#endif
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#ifdef __cplusplus
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112
cpukit/score/include/rtems/score/smp.h
Normal file
112
cpukit/score/include/rtems/score/smp.h
Normal file
@@ -0,0 +1,112 @@
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/**
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* @file rtems/score/smp.h
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*
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* This include file defines the interface to the SuperCore
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* SMP support that is used internally to RTEMS.
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*/
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/*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#ifndef _RTEMS_SCORE_SMP_H
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#define _RTEMS_SCORE_SMP_H
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#if defined (RTEMS_SMP)
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#include <rtems/score/percpu.h>
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/**
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* @defgroup SuperCore SMP Support
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*
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* This defines the interface of the SuperCore support
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* code for SMP support.
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*/
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/**@{*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested so that RTEMS will reschedule on this CPU
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* because the currently executing thread needs to be switched out.
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*/
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#define RTEMS_BSP_SMP_CONTEXT_SWITCH_NECESSARY 0x01
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested so that RTEMS will reschedule on this CPU
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* because the currently executing thread has been sent a signal.
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*/
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#define RTEMS_BSP_SMP_SIGNAL_TO_SELF 0x02
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested so that this CPU will be shutdown. This is done
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* as part of rtems_executive_shutdown().
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*/
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#define RTEMS_BSP_SMP_SHUTDOWN 0x04
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/**
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* This defines the bit which indicates the interprocessor interrupt
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* has been requested that the receiving CPU needs to perform a context
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* switch to the first task.
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*/
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#define RTEMS_BSP_SMP_FIRST_TASK 0x08
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#ifndef ASM
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/**
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* @brief Number of CPUs in SMP System
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*
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* This variable is set during the SMP initialization sequence to
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* indicate the number of CPUs in this system.
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*/
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SCORE_EXTERN uint32_t _SMP_Processor_count;
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/**
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* @brief Make Request of Others CPUs
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*
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* This method is invoked by RTEMS when it needs to make a request
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* of the other CPUs. It should be implemented using some type of
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* interprocessor interrupt. CPUs not including the originating
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* CPU should receive the message.
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*
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* @param [in] message is message to send
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*/
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void _SMP_Broadcast_message(
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uint32_t message
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);
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/**
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* @brief Request Dispatch on Other Cores
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*
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* Send message to other cores requesting them to perform
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* a thread dispatch operation.
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*/
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void _SMP_Request_other_cores_to_dispatch(void);
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/**
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* @Brief Request Other Cores to Shutdown
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*
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* Send message to other cores requesting them to shutdown.
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*/
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void _SMP_Request_other_cores_to_shutdown(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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/* end of include file */
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@@ -199,6 +199,10 @@ $(PROJECT_INCLUDE)/rtems/score/smplock.h: include/rtems/score/smplock.h $(PROJEC
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$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/smplock.h
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PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/smplock.h
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$(PROJECT_INCLUDE)/rtems/score/smp.h: include/rtems/score/smp.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
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$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/smp.h
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PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/smp.h
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if HAS_PTHREADS
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$(PROJECT_INCLUDE)/rtems/score/corespinlock.h: include/rtems/score/corespinlock.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
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$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/corespinlock.h
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@@ -19,7 +19,7 @@
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#include <rtems/score/wkspace.h>
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#include <rtems/score/wkspace.h>
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#include <rtems/config.h>
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#include <rtems/bspsmp.h>
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#include <rtems/score/smp.h>
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#include <string.h>
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#if defined(RTEMS_SMP)
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@@ -15,6 +15,7 @@
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#include <rtems/system.h>
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#include <rtems/bspsmp.h>
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#include <rtems/score/smp.h>
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#include <rtems/score/thread.h>
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#if defined(RTEMS_SMP)
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@@ -30,7 +30,7 @@
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#include <rtems/score/userext.h>
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#include <rtems/score/wkspace.h>
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#include <rtems/config.h>
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#include <rtems/bspsmp.h>
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#include <rtems/score/smp.h>
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static inline void _Thread_Create_idle_helper(
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uint32_t name_u32,
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