115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/* $NetBSD: pcb.h,v 1.11 2003/10/25 19:44:42 scw Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2001 Matt Thomas <matt@3am-software.com>.
|
|
* Copyright (c) 1994 Mark Brinicombe.
|
|
* 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 the RiscBSD team.
|
|
* 4. The name "RiscBSD" nor the name of the author may be used to
|
|
* endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY RISCBSD ``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 RISCBSD 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.
|
|
*/
|
|
|
|
#ifndef _ARM_PCB_H_
|
|
#define _ARM_PCB_H_
|
|
|
|
#include <machine/frame.h>
|
|
#include <machine/fp.h>
|
|
|
|
#include <arm/arm32/pte.h>
|
|
|
|
struct trapframe;
|
|
|
|
struct pcb_arm32 {
|
|
paddr_t pcb32_pagedir; /* PT hooks */
|
|
pd_entry_t *pcb32_pl1vec; /* PTR to vector_base L1 entry*/
|
|
pd_entry_t pcb32_l1vec; /* Value to stuff on ctx sw */
|
|
u_int pcb32_dacr; /* Domain Access Control Reg */
|
|
void *pcb32_cstate; /* &pmap->pm_cstate */
|
|
/*
|
|
* WARNING!
|
|
* cpuswitch.S relies on pcb32_r8 being quad-aligned in struct pcb
|
|
* (due to the use of "strd" when compiled for XSCALE)
|
|
*/
|
|
u_int pcb32_r8; /* used */
|
|
u_int pcb32_r9; /* used */
|
|
u_int pcb32_r10; /* used */
|
|
u_int pcb32_r11; /* used */
|
|
u_int pcb32_r12; /* used */
|
|
u_int pcb32_sp; /* used */
|
|
u_int pcb32_lr;
|
|
u_int pcb32_pc;
|
|
u_int pcb32_und_sp;
|
|
};
|
|
#define pcb_pagedir pcb_un.un_32.pcb32_pagedir
|
|
#define pcb_pl1vec pcb_un.un_32.pcb32_pl1vec
|
|
#define pcb_l1vec pcb_un.un_32.pcb32_l1vec
|
|
#define pcb_dacr pcb_un.un_32.pcb32_dacr
|
|
#define pcb_cstate pcb_un.un_32.pcb32_cstate
|
|
|
|
struct pcb_arm26 {
|
|
struct switchframe *pcb26_sf;
|
|
};
|
|
#define pcb_sf pcb_un.un_26.pcb26_sf
|
|
|
|
/*
|
|
* WARNING!
|
|
* See warning for struct pcb_arm32, above, before changing struct pcb!
|
|
*/
|
|
struct pcb {
|
|
u_int pcb_flags;
|
|
#define PCB_OWNFPU 0x00000001
|
|
#define PCB_NOALIGNFLT 0x00000002 /* For COMPAT_15/EXEC_AOUT */
|
|
struct trapframe *pcb_tf;
|
|
caddr_t pcb_onfault; /* On fault handler */
|
|
union {
|
|
struct pcb_arm32 un_32;
|
|
struct pcb_arm26 un_26;
|
|
} pcb_un;
|
|
struct fpe_sp_state pcb_fpstate; /* Floating Point state */
|
|
};
|
|
#define pcb_ff pcb_fpstate /* for arm26 */
|
|
|
|
/*
|
|
* No additional data for core dumps.
|
|
*/
|
|
struct md_coredump {
|
|
int md_empty;
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_multiprocessor.h"
|
|
#endif
|
|
#ifdef MULTIPROCESSOR
|
|
#define curpcb (curcpu()->ci_curpcb)
|
|
#else
|
|
extern struct pcb *curpcb;
|
|
#endif
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _ARM_PCB_H_ */
|