score: Add _CPU_SMP_Prepare_start_multitasking()

Update #2268.

5 files changed, 20 insertions, 6 deletions

diff --git a/cpukit/score/cpu/arm/rtems/score/cpu.h b/cpukit/score/cpu/arm/rtems/score/cpu.h
index 869ab1cb27..f0573c2372 100644
--- a/cpukit/score/cpu/arm/rtems/score/cpu.h
+++ b/cpukit/score/cpu/arm/rtems/score/cpu.h
@@ -504,6 +504,8 @@ void _CPU_Context_validate( uintptr_t pattern );
 
   void _CPU_SMP_Finalize_initialization( uint32_t cpu_count );
 
+  void _CPU_SMP_Prepare_start_multitasking( void );
+
   static inline uint32_t _CPU_SMP_Get_current_processor( void )
   {
     uint32_t mpidr;
diff --git a/cpukit/score/cpu/i386/rtems/score/cpu.h b/cpukit/score/cpu/i386/rtems/score/cpu.h
index 13d31a41ae..5639fdf1dd 100644
--- a/cpukit/score/cpu/i386/rtems/score/cpu.h
+++ b/cpukit/score/cpu/i386/rtems/score/cpu.h
@@ -494,6 +494,8 @@ uint32_t   _CPU_ISR_Get_level( void );
 
   void _CPU_SMP_Finalize_initialization( uint32_t cpu_count );
 
+  void _CPU_SMP_Prepare_start_multitasking( void );
+
   uint32_t _CPU_SMP_Get_current_processor( void );
 
   void _CPU_SMP_Send_interrupt( uint32_t target_processor_index );
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
index 0a0cc415ca..c4e838b51a 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
+++ b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
@@ -1574,6 +1574,18 @@ register struct Per_CPU_Control *_CPU_Per_CPU_current asm( "rX" );
   void _CPU_SMP_Finalize_initialization( uint32_t cpu_count );
 
   /**
+   * @brief Prepares a CPU to start multitasking in terms of SMP.
+   *
+   * This function is invoked on all processors requested by the application
+   * during system initialization.
+   *
+   * This function will be called after all processors requested by the
+   * application have been started right before the context switch to the first
+   * thread takes place.
+   */
+  void _CPU_SMP_Prepare_start_multitasking( void );
+
+  /**
    * @brief Returns the index of the current processor.
    *
    * An architecture specific method must be used to obtain the index of the
diff --git a/cpukit/score/cpu/powerpc/rtems/score/cpu.h b/cpukit/score/cpu/powerpc/rtems/score/cpu.h
index c305c77d1b..6250c5639f 100644
--- a/cpukit/score/cpu/powerpc/rtems/score/cpu.h
+++ b/cpukit/score/cpu/powerpc/rtems/score/cpu.h
@@ -1123,6 +1123,8 @@ void _CPU_Context_validate( uintptr_t pattern );
 
   void _CPU_SMP_Finalize_initialization( uint32_t cpu_count );
 
+  void _CPU_SMP_Prepare_start_multitasking( void );
+
   static inline uint32_t _CPU_SMP_Get_current_processor( void )
   {
     uint32_t pir;
diff --git a/cpukit/score/cpu/sparc/rtems/score/cpu.h b/cpukit/score/cpu/sparc/rtems/score/cpu.h
index 6ce065cfe4..c3348f0652 100644
--- a/cpukit/score/cpu/sparc/rtems/score/cpu.h
+++ b/cpukit/score/cpu/sparc/rtems/score/cpu.h
@@ -1186,6 +1186,8 @@ register struct Per_CPU_Control *_SPARC_Per_CPU_current __asm__( "g6" );
 
   void _CPU_SMP_Finalize_initialization( uint32_t cpu_count );
 
+  void _CPU_SMP_Prepare_start_multitasking( void );
+
   #if defined(__leon__) && !defined(RTEMS_PARAVIRT)
     static inline uint32_t _CPU_SMP_Get_current_processor( void )
     {
@@ -1197,12 +1199,6 @@ register struct Per_CPU_Control *_SPARC_Per_CPU_current __asm__( "g6" );
 
   void _CPU_SMP_Send_interrupt( uint32_t target_processor_index );
 
-  #if defined(__leon__)
-  void _LEON3_Start_multitasking( Context_Control *heir )
-    RTEMS_COMPILER_NO_RETURN_ATTRIBUTE;
-  #define _CPU_Start_multitasking _LEON3_Start_multitasking
-  #endif
-
   static inline void _CPU_SMP_Processor_event_broadcast( void )
   {
     __asm__ volatile ( "" : : : "memory" );