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📄 _align.h(87 B)
📄 _bus.h(1.78 KB)
📄 _inttypes.h(90 B)
📄 _limits.h(88 B)
📄 _stdint.h(88 B)
📄 _types.h(87 B)
📄 acpica_machdep.h(95 B)
📄 apm_bios.h(89 B)
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📄 asmacros.h(10.11 KB)
📄 atomic.h(22.3 KB)
📄 bus.h(84 B)
📄 bus_dma.h(1.5 KB)
📄 clock.h(891 B)
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📄 cpu.h(3.19 KB)
📄 cpufunc.h(18.89 KB)
📄 cputypes.h(89 B)
📄 csan.h(2.02 KB)
📄 db_machdep.h(2.83 KB)
📄 dump.h(85 B)
📄 efi.h(2.62 KB)
📄 elf.h(84 B)
📄 endian.h(87 B)
📄 exec.h(1.76 KB)
📄 fdt.h(84 B)
📄 float.h(86 B)
📄 floatingpoint.h(2.01 KB)
📄 fpu.h(3.28 KB)
📄 frame.h(1.78 KB)
📄 gdb_machdep.h(2.32 KB)
📄 ieeefp.h(8.9 KB)
📄 in_cksum.h(2.95 KB)
📄 intr_machdep.h(1.88 KB)
📄 iodev.h(1.81 KB)
📄 iommu.h(86 B)
📄 kdb.h(1.85 KB)
📄 limits.h(1.9 KB)
📄 md_var.h(3.66 KB)
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📄 metadata.h(89 B)
📄 minidump.h(1.73 KB)
📄 mp_watchdog.h(1.53 KB)
📄 nexusvar.h(1.76 KB)
📄 npx.h(84 B)
📄 ofw_machdep.h(92 B)
📄 param.h(5.92 KB)
📁 pc
📄 pcb.h(4.25 KB)
📄 pci_cfgreg.h(91 B)
📄 pcpu.h(10.3 KB)
📄 pcpu_aux.h(2.16 KB)
📄 pmap.h(18.41 KB)
📄 pmc_mdep.h(4.55 KB)
📄 ppireg.h(1.88 KB)
📄 proc.h(3.74 KB)
📄 procctl.h(88 B)
📄 profile.h(5.7 KB)
📄 psl.h(84 B)
📄 ptrace.h(87 B)
📄 pvclock.h(88 B)
📄 reg.h(84 B)
📄 reloc.h(2.26 KB)
📄 resource.h(1.93 KB)
📄 runq.h(1.85 KB)
📄 segments.h(4.08 KB)
📄 setjmp.h(87 B)
📄 sf_buf.h(2 KB)
📄 sgx.h(2.23 KB)
📄 sgxreg.h(4.95 KB)
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📄 signal.h(87 B)
📄 smp.h(1.15 KB)
📄 specialreg.h(91 B)
📄 stack.h(85 B)
📄 stdarg.h(87 B)
📄 sysarch.h(88 B)
📄 timerreg.h(2.05 KB)
📄 trap.h(85 B)
📄 tss.h(2.84 KB)
📄 ucontext.h(89 B)
📄 vdso.h(85 B)
📄 vm.h(2.02 KB)
📄 vmm.h(22.46 KB)
📄 vmm_dev.h(11.61 KB)
📄 vmm_instruction_emul.h(4.97 KB)
📄 vmm_snapshot.h(4.63 KB)
📄 vmparam.h(8.71 KB)
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Editing: fpu.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * William Jolitz.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: @(#)npx.h	5.3 (Berkeley) 1/18/91
 * $FreeBSD$
 */

/*
 * Floating Point Data Structures and Constants
 * W. Jolitz 1/90
 */

#ifndef _MACHINE_FPU_H_
#define	_MACHINE_FPU_H_

#include <x86/fpu.h>

#ifdef _KERNEL

struct fpu_kern_ctx;

#define	PCB_USER_FPU(pcb) (((pcb)->pcb_flags & PCB_KERNFPU) == 0)

#define	XSAVE_AREA_ALIGN	64

void	fpudna(void);
void	fpudrop(void);
void	fpuexit(struct thread *td);
int	fpuformat(void);
int	fpugetregs(struct thread *td);
void	fpuinit(void);
void	fpurestore(void *addr);
void	fpuresume(void *addr);
void	fpusave(void *addr);
int	fpusetregs(struct thread *td, struct savefpu *addr,
	    char *xfpustate, size_t xfpustate_size);
int	fpusetxstate(struct thread *td, char *xfpustate,
	    size_t xfpustate_size);
void	fpususpend(void *addr);
int	fputrap_sse(void);
int	fputrap_x87(void);
void	fpuuserinited(struct thread *td);
struct fpu_kern_ctx *fpu_kern_alloc_ctx(u_int flags);
struct fpu_kern_ctx *fpu_kern_alloc_ctx_domain(int domain, 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);

struct savefpu	*fpu_save_area_alloc(void);
void	fpu_save_area_free(struct savefpu *fsa);
void	fpu_save_area_reset(struct savefpu *fsa);

/*
 * 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

#endif

#endif /* !_MACHINE_FPU_H_ */

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Editing: fpu.h

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