0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* $NetBSD: fpu.h,v 1.6 2014/02/25 22:16:52 dsl Exp $ */
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#ifndef _X86_FPU_H_
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#define _X86_FPU_H_
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#include <x86/cpu_extended_state.h>
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#ifdef _KERNEL
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struct cpu_info;
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struct lwp;
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struct trapframe;
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void fpuinit(struct cpu_info *);
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void fpusave_lwp(struct lwp *, bool);
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void fpusave_cpu(bool);
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void fpu_set_default_cw(struct lwp *, unsigned int);
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void fputrap(struct trapframe *);
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void fpudna(struct trapframe *);
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void process_xmm_to_s87(const struct fxsave *, struct save87 *);
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void process_s87_to_xmm(const struct save87 *, struct fxsave *);
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/* Set all to defaults (eg during exec) */
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void fpu_save_area_clear(struct lwp *, unsigned int);
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/* Reset control words only - for signal handlers */
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void fpu_save_area_reset(struct lwp *);
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/* Copy data outside pcb during fork */
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void fpu_save_area_fork(struct pcb *, const struct pcb *);
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/* Load FP registers with user-supplied values */
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void process_write_fpregs_xmm(struct lwp *lwp, const struct fxsave *fpregs);
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void process_write_fpregs_s87(struct lwp *lwp, const struct save87 *fpregs);
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/* Save FP registers for copy to userspace */
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void process_read_fpregs_xmm(struct lwp *lwp, struct fxsave *fpregs);
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void process_read_fpregs_s87(struct lwp *lwp, struct save87 *fpregs);
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#endif
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#endif /* _X86_FPU_H_ */
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