2009-02-11 Joel Sherrill <joel.sherrill@oarcorp.com>

* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
	comments.

cpukit/score/cpu/arm/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/arm/cpu.c

@@ -34,15 +34,12 @@ unsigned int arm_cpu_mode = 0x13;
 
 /*  _CPU_Initialize
  *
- *  This routine performs processor dependent initialization.
+ *  INPUT PARAMETERS: NONE
  *
- *  INPUT PARAMETERS:
+ *  This routine performs processor dependent initialization.
- *    thread_dispatch - address of ISR dispatching routine (unused)
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void)
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
 }
 

cpukit/score/cpu/arm/rtems/score/cpu.h

@@ -699,9 +699,7 @@ void _CPU_Context_Initialize(
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 typedef enum {
   ARM_EXCEPTION_RESET      = 0,

cpukit/score/cpu/avr/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-12-11	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* cpu.c, cpu_asm.c: Remove warnings -- even if code is just temporary.

cpukit/score/cpu/avr/cpu.c

@@ -22,34 +22,16 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  NO_CPU Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-
+void _CPU_Initialize(void)
-
-void _CPU_Initialize(
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
   printk( "AVR CPU Initialize\n" );
 
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/avr/rtems/score/cpu.h

@@ -468,22 +468,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/*
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  AVR Specific Information:
- *
- *  XXX document implementation including references if appropriate
- */
-
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)(void);
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -936,9 +920,7 @@ uint32_t   _CPU_ISR_Get_level( void );
  *  XXX document implementation including references if appropriate
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/bfin/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/bfin/cpu.c

@@ -21,8 +21,7 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  NO_CPU Specific Information:
  *
@@ -37,23 +36,8 @@ extern void _CPU_NMI_handler(void);
 extern void _CPU_Exception_handler(void);
 extern void _CPU_Unhandled_Interrupt_handler(void);
 
-void _CPU_Initialize(
+void _CPU_Initialize(void)
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  /*_CPU_Thread_dispatch_pointer = thread_dispatch;*/
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/bfin/rtems/score/cpu.h

@@ -563,22 +563,6 @@ SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
  */
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/**
- *  @ingroup CPUInterrupt
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine @ref _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  Port Specific Information:
- *
- *  XXX document implementation including references if appropriate
- */
-/* SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)();*/
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -1097,16 +1081,11 @@ void _CPU_Context_Initialize(
 /**
  *  This routine performs CPU dependent initialization.
  *
- *  @param[in] cpu_table is the CPU Dependent Configuration Table
- *  @param[in] thread_dispatch is the address of @ref _Thread_Dispatch
- *
  *  Port Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /**
  *  @ingroup CPUInterrupt

cpukit/score/cpu/c4x/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/c4x/cpu.c

@@ -21,32 +21,14 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  C4x Specific Information:
  *
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void)
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
-#if 0
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-#endif
-
 #if (CPU_HARDWARE_FP == TRUE)
   /*
    *  If there is not an easy way to initialize the FP context

cpukit/score/cpu/c4x/rtems/score/cpu.h

@@ -580,24 +580,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/*
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  C4x Specific Information:
- *
- *  This port should not require this.
- */
-
-#if 0
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)();
-#endif
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -1078,9 +1060,7 @@ void _CPU_Context_Initialize(
  *  XXXanswer
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/h8300/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* rtems/score/cpu.h: Do not unroll any code on this target and use a

cpukit/score/cpu/h8300/cpu.c

@@ -19,28 +19,12 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  */
 
 
-void _CPU_Initialize(
+void _CPU_Initialize(void)
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/h8300/rtems/score/cpu.h

@@ -451,22 +451,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/*
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  H8300 Specific Information:
- *
- *  XXX
- */
-
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)(void);
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -997,9 +981,7 @@ uint32_t   _CPU_ISR_Get_level( void );
  *  XXX
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/i386/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/i386/cpu.c

@@ -25,14 +25,10 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  */
 
-
+void _CPU_Initialize(void)
-void _CPU_Initialize(
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
 #if CPU_HARDWARE_FP
   register uint16_t		fp_status asm ("ax");
@@ -65,7 +61,6 @@ void _CPU_Initialize(
                 );
   }
 #endif
-
 }
 
 /*PAGE

cpukit/score/cpu/i386/rtems/score/cpu.h

@@ -386,9 +386,7 @@ uint32_t   _CPU_ISR_Get_level( void );
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/lm32/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-12-05	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* .cvsignore: New file.

cpukit/score/cpu/lm32/cpu.c

@@ -23,32 +23,15 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  LM32 Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+
-  void      (*thread_dispatch)      /* ignored on this CPU */
+void _CPU_Initialize(void)
-)
 {
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-#if 0
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-#endif
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/lm32/rtems/score/cpu.h

@@ -572,24 +572,6 @@ SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
  */
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/**
- *  @ingroup CPUInterrupt
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine @ref _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  Port Specific Information:
- *
- *  XXX document implementation including references if appropriate
- */
-#if 0
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)();
-#endif
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -1100,15 +1082,11 @@ uint32_t   _CPU_ISR_Get_level( void );
 /**
  *  This routine performs CPU dependent initialization.
  *
- *  @param[in] thread_dispatch is the address of @ref _Thread_Dispatch
- *
  *  Port Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /**
  *  @ingroup CPUInterrupt

cpukit/score/cpu/m32c/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* rtems/score/cpu.h: Use a 16 bit object id on this target.

cpukit/score/cpu/m32c/cpu.c

@@ -19,16 +19,14 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  NO_CPU Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+
-  void      (*thread_dispatch)      /* ignored on this CPU */
+void _CPU_Initialize(void)
-)
 {
   asm volatile( "ldc    #__var_vects,intb" );
 }

cpukit/score/cpu/m32c/rtems/score/cpu.h

@@ -1041,15 +1041,11 @@ void _CPU_Context_Restart_self(
 /**
  *  This routine performs CPU dependent initialization.
  *
- *  @param[in] thread_dispatch is the address of @ref _Thread_Dispatch
- *
  *  Port Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /**
  *  @ingroup CPUInterrupt

cpukit/score/cpu/m32r/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-10-28	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* Makefile.am, preinstall.am, rtems/score/cpu.h: Now performs context

cpukit/score/cpu/m32r/cpu.c

@@ -18,16 +18,14 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  NO_CPU Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+
-  void      (*thread_dispatch)      /* ignored on this CPU */
+void _CPU_Initialize(void)
-)
 {
 }
 

cpukit/score/cpu/m32r/rtems/score/cpu.h

@@ -569,22 +569,6 @@ SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
  */
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/**
- *  @ingroup CPUInterrupt
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine @ref _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  Port Specific Information:
- *
- *  XXX document implementation including references if appropriate
- */
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)(void);
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -1094,15 +1078,11 @@ void _CPU_Context_Restart_self(
 /**
  *  This routine performs CPU dependent initialization.
  *
- *  @param[in] thread_dispatch is the address of @ref _Thread_Dispatch
- *
  *  Port Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /**
  *  @ingroup CPUInterrupt

cpukit/score/cpu/m68k/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-12-17	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/m68k.h: Don't include rtems/score/types.h,

cpukit/score/cpu/m68k/cpu.c

@@ -18,15 +18,12 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - entry pointer to thread dispatcher
  *
  *  OUTPUT PARAMETERS: NONE
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void)
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
 #if ( M68K_HAS_VBR == 0 )
   /* fill the isr redirect table with the code to place the format/id

cpukit/score/cpu/m68k/rtems/score/cpu.h

@@ -632,9 +632,7 @@ extern const unsigned char _CPU_m68k_BFFFO_table[256];
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/mips/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/mips/cpu.c

@@ -70,12 +70,10 @@ ESF_PTR_TYPE __exceptionStackFrame = 0;
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
  *    thread_dispatch - address of dispatching routine
  */
-void _CPU_Initialize(
+
-  void      (*thread_dispatch)      /* ignored on this CPU */
+void _CPU_Initialize(void)
-)
 {
   /*
    *  If there is not an easy way to initialize the FP context

cpukit/score/cpu/mips/rtems/score/cpu.h

@@ -632,23 +632,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/*
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
-
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)();
- *
- *  NOTE: Not needed on this port.
- */
-
-
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  */
@@ -1061,9 +1044,7 @@ extern void mips_break( int error );
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/nios2/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/nios2/cpu.c

@@ -19,32 +19,15 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  NO_CPU Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
 
-
+void _CPU_Initialize(void)
-void _CPU_Initialize(
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/nios2/rtems/score/cpu.h

@@ -604,22 +604,6 @@ SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
  */
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/**
- *  @ingroup CPUInterrupt
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine @ref _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  Port Specific Information:
- *
- *  XXX document implementation including references if appropriate
- */
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)();
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -1145,16 +1129,11 @@ uint32_t   _CPU_ISR_Get_level( void );
 /**
  *  This routine performs CPU dependent initialization.
  *
- *  @param cpu_table (in) is the CPU Dependent Configuration Table
- *  @param thread_dispatch (in) is the address of @ref _Thread_Dispatch
- *
  *  Port Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /**
  *  @ingroup CPUInterrupt

cpukit/score/cpu/no_cpu/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-10-02	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* cpu_asm.c, rtems/score/cpu.h, rtems/score/types.h: Corrections and

cpukit/score/cpu/no_cpu/cpu.c

@@ -20,30 +20,15 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  NO_CPU Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+
-  void      (*thread_dispatch)      /* ignored on this CPU */
+void _CPU_Initialize(void)
-)
 {
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/no_cpu/rtems/score/cpu.h

@@ -562,22 +562,6 @@ SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
  */
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/**
- *  @ingroup CPUInterrupt
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine @ref _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- *
- *  Port Specific Information:
- *
- *  XXX document implementation including references if appropriate
- */
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)(void);
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
@@ -1081,15 +1065,11 @@ uint32_t   _CPU_ISR_Get_level( void );
 /**
  *  This routine performs CPU dependent initialization.
  *
- *  @param[in] thread_dispatch is the address of @ref _Thread_Dispatch
- *
  *  Port Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /**
  *  @ingroup CPUInterrupt

cpukit/score/cpu/sh/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-30	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* cpu.c: Fine tune conditional so _CPU_ISR_install_vector is in CPU Kit

cpukit/score/cpu/sh/cpu.c

@@ -39,30 +39,13 @@ extern proc_ptr _Hardware_isr_Table[];
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  */
 
-
+void _CPU_Initialize(void)
-void _CPU_Initialize(
-  void      (*thread_dispatch)      /* ignored on this CPU */
-)
 {
   register uint32_t   level = 0;
 
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to

cpukit/score/cpu/sh/rtems/score/cpu.h

@@ -428,18 +428,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/*
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- */
-
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)(void);
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  */
@@ -825,9 +813,7 @@ extern uint8_t   _bit_set_table[];
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/sparc/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-09-11	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* rtems/score/types.h: Do not define boolean, single_precision,

cpukit/score/cpu/sparc/cpu.c

@@ -38,8 +38,7 @@ const CPU_Trap_table_entry _CPU_Trap_slot_template = {
  *
  *  This routine performs processor dependent initialization.
  *
- *  Input Parameters:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  *
  *  Output Parameters: NONE
  * 
@@ -47,9 +46,7 @@ const CPU_Trap_table_entry _CPU_Trap_slot_template = {
  *        The SPARC's assembly code can reference it directly with no problems.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void)
-  void            (*thread_dispatch)      /* ignored on this CPU */
-)
 {
 #if (SPARC_HAS_FPU == 1)
   Context_Control_fp *pointer;

cpukit/score/cpu/sparc/rtems/score/cpu.h

@@ -883,9 +883,7 @@ void _CPU_Context_Initialize(
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void            (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler

cpukit/score/cpu/unix/ChangeLog

@@ -1,3 +1,9 @@
+2009-02-11	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* cpu.c, rtems/score/cpu.h: Eliminate _CPU_Thread_dispatch_pointer and
+	passing address of _Thread_Dispatch to _CPU_Initialize. Clean up
+	comments.
+
 2008-12-01	Joel Sherrill <joel.sherrill@OARcorp.com>
 
 	* cpu.c: Links hello again.

cpukit/score/cpu/unix/cpu.c

@@ -276,14 +276,10 @@ uint32_t   _CPU_ISR_Get_level( void )
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
+ *  INPUT PARAMETERS: NONE
- *    thread_dispatch - address of dispatching routine
  */
 
-
+void _CPU_Initialize(void)
-void _CPU_Initialize(
-  void            (*thread_dispatch)      /* ignored on this CPU */
-)
 {
   /*
    *  If something happened where the public Context_Control is not
@@ -294,19 +290,6 @@ void _CPU_Initialize(
   if ( sizeof(Context_Control_overlay) > sizeof(Context_Control) )
     _CPU_Fatal_error(0x100 + 1);
 
-  /*
-   *  The thread_dispatch argument is the address of the entry point
-   *  for the routine called at the end of an ISR once it has been
-   *  decided a context switch is necessary.  On some compilation
-   *  systems it is difficult to call a high-level language routine
-   *  from assembly.  This allows us to trick these systems.
-   *
-   *  If you encounter this problem save the entry point in a CPU
-   *  dependent variable.
-   */
-
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-
   /*
    * XXX; If there is not an easy way to initialize the FP context
    *      during Context_Initialize, then it is usually easier to

cpukit/score/cpu/unix/rtems/score/cpu.h

@@ -528,18 +528,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
 SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
 
-/*
- *  With some compilation systems, it is difficult if not impossible to
- *  call a high-level language routine from assembly language.  This
- *  is especially true of commercial Ada compilers and name mangling
- *  C++ ones.  This variable can be optionally defined by the CPU porter
- *  and contains the address of the routine _Thread_Dispatch.  This
- *  can make it easier to invoke that routine at the end of the interrupt
- *  sequence (if a dispatch is necessary).
- */
-
-SCORE_EXTERN void           (*_CPU_Thread_dispatch_pointer)(void);
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  */
@@ -875,9 +863,7 @@ extern void _CPU_Context_Initialize(
  *  This routine performs CPU dependent initialization.
  */
 
-void _CPU_Initialize(
+void _CPU_Initialize(void);
-  void      (*thread_dispatch)
-);
 
 /*
  *  _CPU_ISR_install_raw_handler