2010-06-28 Joel Sherrill <joel.sherrill@oarcorp.com>

	PR 1573/cpukit
	* cpu_asm.c, rtems/score/cpu.h: Add a per cpu data structure which
	contains the information required by RTEMS for each CPU core. This
	encapsulates information such as thread executing, heir, idle and
	dispatch needed.

9 files changed, 27 insertions, 51 deletions

diff --git a/cpukit/score/cpu/m32c/ChangeLog b/cpukit/score/cpu/m32c/ChangeLog
index 694bee7ced..1fc1256a49 100644
--- a/cpukit/score/cpu/m32c/ChangeLog
+++ b/cpukit/score/cpu/m32c/ChangeLog
@@ -1,3 +1,11 @@
+2010-06-28	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	PR 1573/cpukit
+	* cpu_asm.c, rtems/score/cpu.h: Add a per cpu data structure which
+	contains the information required by RTEMS for each CPU core. This
+	encapsulates information such as thread executing, heir, idle and
+	dispatch needed.
+
 2010-05-10	Joel Sherrill <joel.sherrilL@OARcorp.com>
 
 	* context_init.c, context_switch.S, cpu.c: Now builds multilib. R8C
diff --git a/cpukit/score/cpu/m32c/cpu_asm.c b/cpukit/score/cpu/m32c/cpu_asm.c
index 17d26a4634..e7cf39c786 100644
--- a/cpukit/score/cpu/m32c/cpu_asm.c
+++ b/cpukit/score/cpu/m32c/cpu_asm.c
@@ -87,11 +87,9 @@ void _ISR_Handler(void)
    *    goto the label "exit interrupt (simple case)"
    *
    *  if ( _Thread_Dispatch_disable_level )
-   *    _ISR_Signals_to_thread_executing = FALSE;
    *    goto the label "exit interrupt (simple case)"
    *
-   *  if ( _Context_Switch_necessary || _ISR_Signals_to_thread_executing ) {
-   *    _ISR_Signals_to_thread_executing = FALSE;
+   *  if ( _Context_Switch_necessary ) {
    *    call _Thread_Dispatch() or prepare to return to _ISR_Dispatch
    *    prepare to get out of interrupt
    *    return from interrupt  (maybe to _ISR_Dispatch)
diff --git a/cpukit/score/cpu/m32c/rtems/score/cpu.h b/cpukit/score/cpu/m32c/rtems/score/cpu.h
index a6c8bdd274..817d062668 100644
--- a/cpukit/score/cpu/m32c/rtems/score/cpu.h
+++ b/cpukit/score/cpu/m32c/rtems/score/cpu.h
@@ -522,20 +522,6 @@ typedef struct {
  *  XXX document implementation including references if appropriate
  */
 
-/**
- *  @ingroup CPUInterrupt
- *  This variable points to the lowest physical address of the interrupt
- *  stack.
- */
-SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
-
-/**
- *  @ingroup CPUInterrupt
- *  This variable points to the lowest physical address of the interrupt
- *  stack.
- */
-SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
diff --git a/cpukit/score/cpu/m32r/ChangeLog b/cpukit/score/cpu/m32r/ChangeLog
index ad4b2a705d..a72d0fdcba 100644
--- a/cpukit/score/cpu/m32r/ChangeLog
+++ b/cpukit/score/cpu/m32r/ChangeLog
@@ -1,3 +1,11 @@
+2010-06-28	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	PR 1573/cpukit
+	* cpu_asm.c, rtems/score/cpu.h: Add a per cpu data structure which
+	contains the information required by RTEMS for each CPU core. This
+	encapsulates information such as thread executing, heir, idle and
+	dispatch needed.
+
 2010-03-27	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* context_init.c, context_switch.S, cpu.c, cpu_asm.c: Add include of
diff --git a/cpukit/score/cpu/m32r/cpu_asm.c b/cpukit/score/cpu/m32r/cpu_asm.c
index 79e3c32392..9881ade8af 100644
--- a/cpukit/score/cpu/m32r/cpu_asm.c
+++ b/cpukit/score/cpu/m32r/cpu_asm.c
@@ -77,11 +77,9 @@ void _ISR_Handler(void)
    *    goto the label "exit interrupt (simple case)"
    *
    *  if ( _Thread_Dispatch_disable_level )
-   *    _ISR_Signals_to_thread_executing = FALSE;
    *    goto the label "exit interrupt (simple case)"
    *
-   *  if ( _Context_Switch_necessary || _ISR_Signals_to_thread_executing ) {
-   *    _ISR_Signals_to_thread_executing = FALSE;
+   *  if ( _Context_Switch_necessary ) {
    *    call _Thread_Dispatch() or prepare to return to _ISR_Dispatch
    *    prepare to get out of interrupt
    *    return from interrupt  (maybe to _ISR_Dispatch)
diff --git a/cpukit/score/cpu/m32r/rtems/score/cpu.h b/cpukit/score/cpu/m32r/rtems/score/cpu.h
index 234b41f1e0..e518cd8f75 100644
--- a/cpukit/score/cpu/m32r/rtems/score/cpu.h
+++ b/cpukit/score/cpu/m32r/rtems/score/cpu.h
@@ -555,20 +555,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
  *  XXX document implementation including references if appropriate
  */
 
-/**
- *  @ingroup CPUInterrupt
- *  This variable points to the lowest physical address of the interrupt
- *  stack.
- */
-SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
-
-/**
- *  @ingroup CPUInterrupt
- *  This variable points to the lowest physical address of the interrupt
- *  stack.
- */
-SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *
diff --git a/cpukit/score/cpu/no_cpu/ChangeLog b/cpukit/score/cpu/no_cpu/ChangeLog
index e02708a45f..9ad3643067 100644
--- a/cpukit/score/cpu/no_cpu/ChangeLog
+++ b/cpukit/score/cpu/no_cpu/ChangeLog
@@ -1,3 +1,11 @@
+2010-06-28	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	PR 1573/cpukit
+	* cpu_asm.c, rtems/score/cpu.h: Add a per cpu data structure which
+	contains the information required by RTEMS for each CPU core. This
+	encapsulates information such as thread executing, heir, idle and
+	dispatch needed.
+
 2010-03-27	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* cpu.c, cpu_asm.c: Add include of config.h
diff --git a/cpukit/score/cpu/no_cpu/cpu_asm.c b/cpukit/score/cpu/no_cpu/cpu_asm.c
index 7c98a6f99f..91957204c4 100644
--- a/cpukit/score/cpu/no_cpu/cpu_asm.c
+++ b/cpukit/score/cpu/no_cpu/cpu_asm.c
@@ -166,11 +166,9 @@ void _ISR_Handler(void)
    *    goto the label "exit interrupt (simple case)"
    *
    *  if ( _Thread_Dispatch_disable_level )
-   *    _ISR_Signals_to_thread_executing = FALSE;
    *    goto the label "exit interrupt (simple case)"
    *
-   *  if ( _Context_Switch_necessary || _ISR_Signals_to_thread_executing ) {
-   *    _ISR_Signals_to_thread_executing = FALSE;
+   *  if ( _Context_Switch_necessary ) {
    *    call _Thread_Dispatch() or prepare to return to _ISR_Dispatch
    *    prepare to get out of interrupt
    *    return from interrupt  (maybe to _ISR_Dispatch)
diff --git a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
index a0caa119ae..c5a43f6ca3 100644
--- a/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
+++ b/cpukit/score/cpu/no_cpu/rtems/score/cpu.h
@@ -548,20 +548,6 @@ SCORE_EXTERN Context_Control_fp  _CPU_Null_fp_context;
  *  XXX document implementation including references if appropriate
  */
 
-/**
- *  @ingroup CPUInterrupt
- *  This variable points to the lowest physical address of the interrupt
- *  stack.
- */
-SCORE_EXTERN void               *_CPU_Interrupt_stack_low;
-
-/**
- *  @ingroup CPUInterrupt
- *  This variable points to the lowest physical address of the interrupt
- *  stack.
- */
-SCORE_EXTERN void               *_CPU_Interrupt_stack_high;
-
 /*
  *  Nothing prevents the porter from declaring more CPU specific variables.
  *