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.

3 files changed, 10 insertions, 43 deletions

diff --git a/cpukit/score/cpu/lm32/ChangeLog b/cpukit/score/cpu/lm32/ChangeLog
index fd18d01237..ddaef1966a 100644
--- a/cpukit/score/cpu/lm32/ChangeLog
+++ b/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.
diff --git a/cpukit/score/cpu/lm32/cpu.c b/cpukit/score/cpu/lm32/cpu.c
index 540e6dbb2d..149647a037 100644
--- a/cpukit/score/cpu/lm32/cpu.c
+++ b/cpukit/score/cpu/lm32/cpu.c
@@ -23,32 +23,15 @@
  *
  *  This routine performs processor dependent initialization.
  *
- *  INPUT PARAMETERS:
- *    thread_dispatch - address of dispatching routine
+ *  INPUT PARAMETERS: NONE
  *
  *  LM32 Specific Information:
  *
  *  XXX document implementation including references if appropriate
  */
-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.
-   */
-
-#if 0
-  _CPU_Thread_dispatch_pointer = thread_dispatch;
-#endif
 
+void _CPU_Initialize(void)
+{
   /*
    *  If there is not an easy way to initialize the FP context
    *  during Context_Initialize, then it is usually easier to
diff --git a/cpukit/score/cpu/lm32/rtems/score/cpu.h b/cpukit/score/cpu/lm32/rtems/score/cpu.h
index ac2129bd2d..d5522ff2d5 100644
--- a/cpukit/score/cpu/lm32/rtems/score/cpu.h
+++ b/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      (*thread_dispatch)
-);
+void _CPU_Initialize(void);
 
 /**
  *  @ingroup CPUInterrupt