fpinit.c

来自「realview22.rar」· C语言 代码 · 共 28 行

#ifdef __cplusplus
 #define EXTERN_C extern "C"
#else
 #define EXTERN_C extern
#endif

#ifdef INIT_CM10rev0_VFP
EXTERN_C void CM_VFP_enable (void);
#endif

EXTERN_C void Enable_VFP (void);
EXTERN_C void RunFast_Enable (void);
EXTERN_C void $Super$$_fp_init(void);

EXTERN_C void $Sub$$_fp_init(void)
{
#ifdef INIT_CM10rev0_VFP    //If using an Integrator/CM10200 this must be defined to enable VFP
        CM_VFP_enable();
#endif

        Enable_VFP();       //Enable VFP in FPEXC
        $Super$$_fp_init(); //Call original _fp_init
        RunFast_Enable ();  //Set FPSCR bits for RunFast
        
}