fpu.h revision 1.17
1 1.17 mgorny /* $NetBSD: fpu.h,v 1.17 2019/06/26 12:30:13 mgorny Exp $ */ 2 1.1 dsl 3 1.2 dsl #ifndef _X86_FPU_H_ 4 1.2 dsl #define _X86_FPU_H_ 5 1.1 dsl 6 1.1 dsl #include <x86/cpu_extended_state.h> 7 1.1 dsl 8 1.1 dsl #ifdef _KERNEL 9 1.2 dsl 10 1.3 dsl struct cpu_info; 11 1.3 dsl struct lwp; 12 1.1 dsl struct trapframe; 13 1.1 dsl 14 1.1 dsl void fpuinit(struct cpu_info *); 15 1.12 maxv void fpuinit_mxcsr_mask(void); 16 1.13 maxv 17 1.14 maxv void fpu_area_save(void *, uint64_t); 18 1.14 maxv void fpu_area_restore(void *, uint64_t); 19 1.13 maxv 20 1.1 dsl void fpusave_lwp(struct lwp *, bool); 21 1.1 dsl void fpusave_cpu(bool); 22 1.1 dsl 23 1.9 maxv void fpu_eagerswitch(struct lwp *, struct lwp *); 24 1.9 maxv 25 1.5 dsl void fpu_set_default_cw(struct lwp *, unsigned int); 26 1.5 dsl 27 1.2 dsl void fputrap(struct trapframe *); 28 1.2 dsl void fpudna(struct trapframe *); 29 1.2 dsl 30 1.16 maxv void fpu_clear(struct lwp *, unsigned int); 31 1.16 maxv void fpu_sigreset(struct lwp *); 32 1.3 dsl 33 1.6 dsl void fpu_save_area_fork(struct pcb *, const struct pcb *); 34 1.6 dsl 35 1.15 maxv void process_write_fpregs_xmm(struct lwp *, const struct fxsave *); 36 1.15 maxv void process_write_fpregs_s87(struct lwp *, const struct save87 *); 37 1.15 maxv 38 1.15 maxv void process_read_fpregs_xmm(struct lwp *, struct fxsave *); 39 1.15 maxv void process_read_fpregs_s87(struct lwp *, struct save87 *); 40 1.4 dsl 41 1.17 mgorny int process_read_xstate(struct lwp *, struct xstate *); 42 1.17 mgorny int process_verify_xstate(const struct xstate *); 43 1.17 mgorny int process_write_xstate(struct lwp *, const struct xstate *); 44 1.17 mgorny 45 1.1 dsl #endif 46 1.1 dsl 47 1.2 dsl #endif /* _X86_FPU_H_ */ 48
Indexes created Wed Oct 22 13:09:56 GMT 2025