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authorJeff Garzik <jeff@garzik.org>2006-09-04 06:41:37 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-04 06:41:37 -0400
commitf9bcda7760e1373615c9f6d9ce24209b0ab97de1 (patch)
treef90b3031126c4e4beb8161f38ea436303e2b8b73 /arch/arm/vfp/vfp.h
parent9bec2e38527a9f2497b3d976715c672d08d6160d (diff)
parentc336923b668fdcf0312efbec3b44895d713f4d81 (diff)
Merge branch 'master' into upstream
Diffstat (limited to 'arch/arm/vfp/vfp.h')
-rw-r--r--arch/arm/vfp/vfp.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h
index 4b97950984e9..96fdf30f6a3b 100644
--- a/arch/arm/vfp/vfp.h
+++ b/arch/arm/vfp/vfp.h
@@ -156,7 +156,7 @@ struct vfp_single {
156}; 156};
157 157
158extern s32 vfp_get_float(unsigned int reg); 158extern s32 vfp_get_float(unsigned int reg);
159extern void vfp_put_float(unsigned int reg, s32 val); 159extern void vfp_put_float(s32 val, unsigned int reg);
160 160
161/* 161/*
162 * VFP_SINGLE_MANTISSA_BITS - number of bits in the mantissa 162 * VFP_SINGLE_MANTISSA_BITS - number of bits in the mantissa
@@ -267,7 +267,7 @@ struct vfp_double {
267 */ 267 */
268#define VFP_REG_ZERO 16 268#define VFP_REG_ZERO 16
269extern u64 vfp_get_double(unsigned int reg); 269extern u64 vfp_get_double(unsigned int reg);
270extern void vfp_put_double(unsigned int reg, u64 val); 270extern void vfp_put_double(u64 val, unsigned int reg);
271 271
272#define VFP_DOUBLE_MANTISSA_BITS (52) 272#define VFP_DOUBLE_MANTISSA_BITS (52)
273#define VFP_DOUBLE_EXPONENT_BITS (11) 273#define VFP_DOUBLE_EXPONENT_BITS (11)
@@ -341,15 +341,17 @@ static inline int vfp_double_type(struct vfp_double *s)
341 341
342u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char *func); 342u32 vfp_double_normaliseround(int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char *func);
343 343
344/*
345 * System registers
346 */
347extern u32 vfp_get_sys(unsigned int reg);
348extern void vfp_put_sys(unsigned int reg, u32 val);
349
350u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand); 344u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
351 345
352/* 346/*
353 * A special flag to tell the normalisation code not to normalise. 347 * A special flag to tell the normalisation code not to normalise.
354 */ 348 */
355#define VFP_NAN_FLAG 0x100 349#define VFP_NAN_FLAG 0x100
350
351/*
352 * A bit pattern used to indicate the initial (unset) value of the
353 * exception mask, in case nothing handles an instruction. This
354 * doesn't include the NAN flag, which get masked out before
355 * we check for an error.
356 */
357#define VFP_EXCEPTION_ERROR ((u32)-1 & ~VFP_NAN_FLAG)