4736ccfd9c
Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point.
101 lines
3.4 KiB
C
101 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $NetBSD: pcb.h,v 1.4 2000/06/04 11:57:17 tsubai Exp $
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PCB_H_
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#define _MACHINE_PCB_H_
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#include <machine/setjmp.h>
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struct pcb {
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register_t pcb_context[20]; /* non-volatile r14-r31 */
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register_t pcb_cr; /* Condition register */
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register_t pcb_sp; /* stack pointer */
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register_t pcb_toc; /* toc pointer */
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register_t pcb_lr; /* link register */
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struct pmap *pcb_pm; /* pmap of our vmspace */
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jmp_buf *pcb_onfault; /* For use during
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copyin/copyout */
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int pcb_flags;
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#define PCB_FPU 1 /* Process uses FPU */
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#define PCB_FPREGS 2 /* Process had FPU registers initialized */
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#define PCB_VEC 4 /* Process had Altivec initialized */
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#define PCB_VSX 8 /* Process had VSX initialized */
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struct fpu {
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union {
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double fpr;
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uint32_t vsr[4];
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} fpr[32];
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double fpscr; /* FPSCR stored as double for easier access */
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} pcb_fpu; /* Floating point processor */
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unsigned int pcb_fpcpu; /* which CPU had our FPU
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stuff. */
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struct vec {
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uint32_t vr[32][4];
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uint32_t spare[2];
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uint32_t vrsave;
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uint32_t vscr; /* aligned at vector element 3 */
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} pcb_vec __aligned(16); /* Vector processor */
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unsigned int pcb_veccpu; /* which CPU had our vector
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stuff. */
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union {
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struct {
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vm_offset_t usr_segm; /* Base address */
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register_t usr_vsid; /* USER_SR segment */
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} aim;
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struct {
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register_t dbcr0;
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} booke;
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} pcb_cpu;
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};
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#ifdef _KERNEL
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struct trapframe;
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#ifndef curpcb
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extern struct pcb *curpcb;
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#endif
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extern struct pmap *curpm;
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extern struct proc *fpuproc;
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void makectx(struct trapframe *, struct pcb *);
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void savectx(struct pcb *) __returns_twice;
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#endif
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#endif /* _MACHINE_PCB_H_ */
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