diff options
Diffstat (limited to 'arch/arm/vfp/vfp.h')
| -rw-r--r-- | arch/arm/vfp/vfp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h index 4b97950984e..5fbdf81a8aa 100644 --- a/arch/arm/vfp/vfp.h +++ b/arch/arm/vfp/vfp.h @@ -353,3 +353,11 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand); * A special flag to tell the normalisation code not to normalise. */ #define VFP_NAN_FLAG 0x100 + +/* + * A bit pattern used to indicate the initial (unset) value of the + * exception mask, in case nothing handles an instruction. This + * doesn't include the NAN flag, which get masked out before + * we check for an error. + */ +#define VFP_EXCEPTION_ERROR ((u32)-1 & ~VFP_NAN_FLAG) |