8cd24529dc
Nuke struct fpu and use struct fpreg instead (except for the names, they were identical). On MP machines, this will avoid an unneeded IPI to save the register contents that are about to discarded.
74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/* $NetBSD: pcb.h,v 1.18 2004/04/16 23:58:08 matt Exp $ */
|
|
|
|
/*-
|
|
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
|
|
* Copyright (C) 1995, 1996 TooLs GmbH.
|
|
* All rights reserved.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by TooLs GmbH.
|
|
* 4. The name of TooLs GmbH may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
|
|
*/
|
|
#ifndef _POWERPC_PCB_H_
|
|
#define _POWERPC_PCB_H_
|
|
|
|
#include <powerpc/reg.h>
|
|
|
|
struct faultbuf {
|
|
register_t fb_pc; /* PC */
|
|
register_t fb_sp; /* R1 */
|
|
register_t fb_r2; /* R2 (why?) */
|
|
register_t fb_cr; /* CR */
|
|
register_t fb_fixreg[19]; /* R13-R31 */
|
|
};
|
|
|
|
struct pcb {
|
|
struct pmap *pcb_pm; /* pmap of our vmspace */
|
|
register_t pcb_sp; /* saved SP */
|
|
int pcb_flags;
|
|
#define PCB_FPU 1 /* Process had FPU initialized */
|
|
#define PCB_ALTIVEC 2 /* Process had AltiVec initialized */
|
|
#define PCB_FE1 PSL_FE1 /* 0x100 */
|
|
#define PCB_FE0 PSL_FE0 /* 0x800 */
|
|
struct cpu_info * __volatile pcb_fpcpu; /* CPU with our FP state */
|
|
struct cpu_info * __volatile pcb_veccpu;/* CPU with our VECTOR state */
|
|
struct faultbuf *pcb_onfault; /* For use during copyin/copyout */
|
|
vaddr_t pcb_kmapsr; /* where to map user segment in kernel */
|
|
vaddr_t pcb_umapsr; /* the user segment mapped in kernel */
|
|
struct fpreg pcb_fpu; /* Floating point processor */
|
|
struct vreg pcb_vr __attribute__((aligned(16)));
|
|
};
|
|
|
|
struct md_coredump {
|
|
struct trapframe frame;
|
|
struct fpreg fpstate;
|
|
struct vreg vstate;
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
int setfault(struct faultbuf *);
|
|
#endif
|
|
|
|
#endif /* _POWERPC_PCB_H_ */
|