lib/i386/math/fpu_sw.h

   1 #ifndef __FPU_SW__
   2 #define __FPU_SW__
   3
   4 #include <stdint.h>
   5
   6 #define FPUSW_EXCEPTION_IE  0x0001
   7 #define FPUSW_EXCEPTION_DE  0x0002
   8 #define FPUSW_EXCEPTION_ZE  0x0004
   9 #define FPUSW_EXCEPTION_OE  0x0008
  10 #define FPUSW_EXCEPTION_UE  0x0010
  11 #define FPUSW_EXCEPTION_PE  0x0020
  12 #define FPUSW_STACK_FAULT   0x0040
  13 #define FPUSW_ERROR_SUMMARY 0x0080
  14 #define FPUSW_CONDITION_C0  0x0100
  15 #define FPUSW_CONDITION_C1  0x0200
  16 #define FPUSW_CONDITION_C2  0x0400
  17 #define FPUSW_CONDITION_C3  0x4000
  18 #define FPUSW_BUSY          0x8000
  19
  20 u16_t fpu_compare(double x, double y);
  21 u16_t fpu_sw_get(void);
  22 void fpu_sw_set(u16_t value);
  23 u16_t fpu_xam(double value);
  24
  25 #endif /* !defined(__FPU_SW__) */
  26