diff options
Diffstat (limited to 'sys/powerpc/include/fpu.h')
| -rw-r--r-- | sys/powerpc/include/fpu.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sys/powerpc/include/fpu.h b/sys/powerpc/include/fpu.h index 30df3a470b09..aa5640ea31fb 100644 --- a/sys/powerpc/include/fpu.h +++ b/sys/powerpc/include/fpu.h @@ -76,6 +76,26 @@ void save_fpu(struct thread *); void save_fpu_nodrop(struct thread *); void cleanup_fpscr(void); u_int get_fpu_exception(struct thread *); +void enable_fpu_kern(void); +void disable_fpu(struct thread *td); + +/* + * Flags for fpu_kern_alloc_ctx(), fpu_kern_enter() and fpu_kern_thread(). + */ +#define FPU_KERN_NORMAL 0x0000 +#define FPU_KERN_NOWAIT 0x0001 +#define FPU_KERN_KTHR 0x0002 +#define FPU_KERN_NOCTX 0x0004 + +struct fpu_kern_ctx; + +struct fpu_kern_ctx *fpu_kern_alloc_ctx(u_int flags); +void fpu_kern_free_ctx(struct fpu_kern_ctx *ctx); +void fpu_kern_enter(struct thread *td, struct fpu_kern_ctx *ctx, + u_int flags); +int fpu_kern_leave(struct thread *td, struct fpu_kern_ctx *ctx); +int fpu_kern_thread(u_int flags); +int is_fpu_kern_thread(u_int flags); #endif /* _KERNEL */ |