4c6260b9de
caused memory destruction when kernel stack grow over 1 page. new code use P3 address for kernel stack. but for the sake of debug, P1 kernel stack mode remain.
70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/* $NetBSD: proc.h,v 1.3 2002/03/17 14:02:04 uch Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
|
|
* Copyright (c) 1991 Regents of the University of California.
|
|
* 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 University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*
|
|
* @(#)proc.h 7.1 (Berkeley) 5/15/91
|
|
*/
|
|
|
|
#ifndef _SH3_PROC_H_
|
|
#define _SH3_PROC_H_
|
|
/*
|
|
* Machine-dependent part of the proc structure for sh3.
|
|
*/
|
|
|
|
/* Kernel stack PTE */
|
|
struct md_upte {
|
|
u_int32_t addr;
|
|
u_int32_t data;
|
|
};
|
|
|
|
struct mdproc {
|
|
struct trapframe *md_regs; /* user context */
|
|
int md_flags; /* machine-dependent flags */
|
|
struct user *md_p3; /* P3 address of p_addr */
|
|
/* u-area PTE: *2 .. SH4 data/address data array access */
|
|
struct md_upte md_upte[UPAGES * 2];
|
|
__volatile int md_astpending; /* AST pending on return to userland */
|
|
};
|
|
|
|
/* md_flags */
|
|
#define MDP_USEDFPU 0x0001 /* has used the FPU */
|
|
|
|
#ifdef _KERNEL
|
|
#ifndef _LOCORE
|
|
vsize_t sh_proc0_init(vaddr_t, paddr_t, paddr_t);
|
|
extern struct md_upte *curupte; /* SH3 wired u-area hack */
|
|
#endif /* _LOCORE */
|
|
#endif /* _KERNEL */
|
|
#endif /* !_SH3_PROC_H_ */
|