SPARC port passes all tests

2 files changed, 27 insertions, 74 deletions

diff --git a/c/src/exec/score/cpu/unix/cpu.c b/c/src/exec/score/cpu/unix/cpu.c
index 347882ddcc..c77276020b 100644
--- a/c/src/exec/score/cpu/unix/cpu.c
+++ b/c/src/exec/score/cpu/unix/cpu.c
@@ -341,17 +341,10 @@ void _CPU_Install_interrupt_stack( void )
  *
  *  _CPU_Internal_threads_Idle_thread_body
  *
- *  NOTES:
- *
- *  1. This is the same as the regular CPU independent algorithm.
- *
- *  2. If you implement this using a "halt", "idle", or "shutdown"
- *     instruction, then don't forget to put it in an infinite loop.
- *
- *  3. Be warned. Some processors with onboard DMA have been known
- *     to stop the DMA if the CPU were put in IDLE mode.  This might
- *     also be a problem with other on-chip peripherals.  So use this
- *     hook with caution.
+ *  Stop until we get a signal which is the logically the same thing 
+ *  entering low-power or sleep mode on a real processor and waiting for
+ *  an interrupt.  This significantly reduces the consumption of host
+ *  CPU cycles which is again similar to low power mode.
  */
 
 void _CPU_Internal_threads_Idle_thread_body( void )
@@ -370,7 +363,8 @@ void _CPU_Context_Initialize(
   unsigned32       *_stack_base,
   unsigned32        _size,
   unsigned32        _new_level,
-  void             *_entry_point
+  void             *_entry_point,
+  boolean           _is_fp
 )
 {
   void        *source;
@@ -697,49 +691,15 @@ void _CPU_Fatal_error(unsigned32 error)
   _exit(error);
 }
 
-/*PAGE
- *
- *  _CPU_ffs
- */
-
-int _CPU_ffs(unsigned32 value)
-{
-  int output;
-  extern int ffs( int );
-
-  output = ffs(value);
-  output = output - 1;
-
-  return output;
-}
-
-
 /*
  *  Special Purpose Routines to hide the use of UNIX system calls.
  */
 
-#if 0
-/* XXX clock had this set of #define's */
-
-/*
- *  In order to get the types and prototypes used in this file under
- *  Solaris 2.3, it is necessary to pull the following magic.
- */
- 
-#if defined(solaris)
-#warning "Ignore the undefining __STDC__ warning"
-#undef __STDC__
-#define __STDC__ 0
-#undef  _POSIX_C_SOURCE
-#endif
-#endif
-
 int _CPU_Get_clock_vector( void )
 {
   return SIGALRM;
 }
 
-
 void _CPU_Start_clock( 
   int microseconds
 )
diff --git a/c/src/exec/score/cpu/unix/cpu.h b/c/src/exec/score/cpu/unix/cpu.h
index b4b34d4eff..e002a73f65 100644
--- a/c/src/exec/score/cpu/unix/cpu.h
+++ b/c/src/exec/score/cpu/unix/cpu.h
@@ -549,7 +549,8 @@ EXTERN void           (*_CPU_Thread_dispatch_pointer)();
  *  by RTEMS.
  */
 
-#define CPU_INTERRUPT_NUMBER_OF_VECTORS  64
+#define CPU_INTERRUPT_NUMBER_OF_VECTORS      64
+#define CPU_INTERRUPT_MAXIMUM_VECTOR_NUMBER  (CPU_INTERRUPT_NUMBER_OF_VECTORS - 1)
 
 /*
  *  Should be large enough to run all RTEMS tests.  This insures
@@ -721,7 +722,8 @@ extern void _CPU_Context_Initialize(
   unsigned32       *_stack_base,
   unsigned32        _size,
   unsigned32        _new_level,
-  void             *_entry_point
+  void             *_entry_point,
+  boolean           _is_fp
 );
 
 /* end of Context handler macros */
@@ -757,11 +759,11 @@ extern void _CPU_Context_Initialize(
  *
  *  RTEMS guarantees that (1) will never happen so it is not a concern.
  *  (2),(3), (4) are handled by the macros _CPU_Priority_mask() and
- *  _CPU_Priority_Bits_index().  These three form a set of routines
+ *  _CPU_Priority_bits_index().  These three form a set of routines
  *  which must logically operate together.  Bits in the _value are
  *  set and cleared based on masks built by _CPU_Priority_mask().
  *  The basic major and minor values calculated by _Priority_Major()
- *  and _Priority_Minor() are "massaged" by _CPU_Priority_Bits_index()
+ *  and _Priority_Minor() are "massaged" by _CPU_Priority_bits_index()
  *  to properly range between the values returned by the "find first bit"
  *  instruction.  This makes it possible for _Priority_Get_highest() to
  *  calculate the major and directly index into the minor table.
@@ -796,30 +798,25 @@ extern void _CPU_Context_Initialize(
  *      bit set
  */
 
-#define _CPU_Bitfield_Find_first_bit( _value, _output ) \
-    _output = _CPU_ffs( _value )
-
-/* end of Bitfield handler macros */
-
 /*
- *  This routine builds the mask which corresponds to the bit fields
- *  as searched by _CPU_Bitfield_Find_first_bit().  See the discussion
- *  for that routine.
+ *  The UNIX port uses the generic C algorithm for bitfield scan to avoid
+ *  dependencies on either a native bitscan instruction or an ffs() in the
+ *  C library.
  */
-
-#define _CPU_Priority_Mask( _bit_number ) \
-  ( 1 << (_bit_number) )
-
+ 
+#define CPU_USE_GENERIC_BITFIELD_CODE TRUE
+#define CPU_USE_GENERIC_BITFIELD_DATA TRUE
+ 
+/* end of Bitfield handler macros */
+ 
+/* Priority handler handler macros */
+ 
 /*
- *  This routine translates the bit numbers returned by
- *  _CPU_Bitfield_Find_first_bit() into something suitable for use as
- *  a major or minor component of a priority.  See the discussion
- *  for that routine.
+ *  The UNIX port uses the generic C algorithm for bitfield scan to avoid
+ *  dependencies on either a native bitscan instruction or an ffs() in the
+ *  C library.
  */
-
-#define _CPU_Priority_Bits_index( _priority ) \
-  (_priority)
-
+ 
 /* end of Priority handler macros */
 
 /* functions */
@@ -935,10 +932,6 @@ void _CPU_Fatal_error(
   unsigned32 _error
 );
 
-int _CPU_ffs(
-  unsigned32 _value
-);
-
 /*  The following routine swaps the endian format of an unsigned int.
  *  It must be static because it is referenced indirectly.
  *