diff options
Diffstat (limited to 'c/src/exec/score/cpu/unix/cpu.h')
| -rw-r--r-- | c/src/exec/score/cpu/unix/cpu.h | 49 |
1 files changed, 21 insertions, 28 deletions
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. * |