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moxie: Delete superfluous _CPU_Null_fp_context

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Update #2559.
This commit is contained in:
Sebastian Huber
2016-02-03 11:56:09 +01:00
parent 142868b235
commit 6df8926885
1 changed files with 1 additions and 30 deletions
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31
cpukit/score/cpu/moxie/rtems/score/cpu.h
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@@ -370,18 +370,6 @@ typedef struct {
uint32_t special_interrupt_register;
} CPU_Interrupt_frame;
/*
* This variable is optional. It is used on CPUs on which it is difficult
* to generate an "uninitialized" FP context. It is filled in by
* _CPU_Initialize and copied into the task's FP context area during
* _CPU_Context_Initialize.
*
* MOXIE Specific Information:
*
* XXX
*/
SCORE_EXTERN Context_Control_fp _CPU_Null_fp_context;
/*
* Nothing prevents the porter from declaring more CPU specific variables.
*
@@ -666,25 +654,8 @@ uint32_t _CPU_ISR_Get_level( void );
#define _CPU_Context_Fp_start( _base, _offset ) \
( (void *) (_base) + (_offset) )
/*
* This routine initializes the FP context area passed to it to.
* There are a few standard ways in which to initialize the
* floating point context. The code included for this macro assumes
* that this is a CPU in which a "initial" FP context was saved into
* _CPU_Null_fp_context and it simply copies it to the destination
* context passed to it.
*
* Other models include (1) not doing anything, and (2) putting
* a "null FP status word" in the correct place in the FP context.
*
* MOXIE Specific Information:
*
* XXX
*/
#define _CPU_Context_Initialize_fp( _destination ) \
{ \
*(*(_destination)) = _CPU_Null_fp_context; \
}
memset( *( _destination ), 0, CPU_CONTEXT_FP_SIZE );
/* end of Context handler macros */