diff options
author | cognet <cognet@FreeBSD.org> | 2004-05-14 11:46:45 +0000 |
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committer | cognet <cognet@FreeBSD.org> | 2004-05-14 11:46:45 +0000 |
commit | 295dcdd68788bc2248ebf4ab1df93d68da49b711 (patch) | |
tree | 3eb2afc6dea26c92444202ed2d06bac484ff40ae /sys/arm/include/frame.h | |
parent | dd167f263352cec86bd3c4298031380259b2fb17 (diff) | |
download | FreeBSD-src-295dcdd68788bc2248ebf4ab1df93d68da49b711.zip FreeBSD-src-295dcdd68788bc2248ebf4ab1df93d68da49b711.tar.gz |
Import FreeBSD/arm kernel bits.
It only supports sa1110 (on simics) right now, but xscale support should come
soon.
Some of the initial work has been provided by :
Stephane Potvin <sepotvin at videotron.ca>
Most of this comes from NetBSD.
Diffstat (limited to 'sys/arm/include/frame.h')
-rw-r--r-- | sys/arm/include/frame.h | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/sys/arm/include/frame.h b/sys/arm/include/frame.h new file mode 100644 index 0000000..6250bf5 --- /dev/null +++ b/sys/arm/include/frame.h @@ -0,0 +1,190 @@ +/* $NetBSD: frame.h,v 1.5 2002/10/19 00:10:54 bjh21 Exp $ */ + +/* + * Copyright (c) 1994-1997 Mark Brinicombe. + * Copyright (c) 1994 Brini. + * All rights reserved. + * + * This code is derived from software written for Brini by Mark Brinicombe + * + * 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 Brini. + * 4. The name of the company 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 BRINI ``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 BRINI 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. + * + * RiscBSD kernel project + * + * frame.h + * + * Stack frames structures + * + * Created : 30/09/94 + * + * $FreeBSD$ + * + */ + +#ifndef _MACHINE_FRAME_H_ +#define _MACHINE_FRAME_H_ + +#ifndef _LOCORE + +#include <sys/signal.h> +#include <sys/ucontext.h> + + +/* + * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception). + */ + +typedef struct trapframe { + register_t tf_spsr; /* Zero on arm26 */ + register_t tf_r0; + register_t tf_r1; + register_t tf_r2; + register_t tf_r3; + register_t tf_r4; + register_t tf_r5; + register_t tf_r6; + register_t tf_r7; + register_t tf_r8; + register_t tf_r9; + register_t tf_r10; + register_t tf_r11; + register_t tf_r12; + register_t tf_usr_sp; + register_t tf_usr_lr; + register_t tf_svc_sp; /* Not used on arm26 */ + register_t tf_svc_lr; /* Not used on arm26 */ + register_t tf_pc; +} trapframe_t; + +/* Register numbers */ +#define tf_r13 tf_usr_sp +#define tf_r14 tf_usr_lr +#define tf_r15 tf_pc +/* + * * Scheduler activations upcall frame. Pushed onto user stack before + * * calling an SA upcall. + * */ + +struct saframe { +#if 0 /* in registers on entry to upcall */ + int sa_type; + struct sa_t ** sa_sas; + int sa_events; + int sa_interrupted; +#endif + void * sa_arg; +}; + +/* + * * Signal frame. Pushed onto user stack before calling sigcode. + * */ + +/* the pointers are use in the trampoline code to locate the ucontext */ +struct sigframe { + siginfo_t sf_si; /* actual saved siginfo */ + ucontext_t sf_uc; /* actual saved ucontext */ +}; + +/* + * System stack frames. + */ + + +typedef struct irqframe { + unsigned int if_spsr; + unsigned int if_r0; + unsigned int if_r1; + unsigned int if_r2; + unsigned int if_r3; + unsigned int if_r4; + unsigned int if_r5; + unsigned int if_r6; + unsigned int if_r7; + unsigned int if_r8; + unsigned int if_r9; + unsigned int if_r10; + unsigned int if_r11; + unsigned int if_r12; + unsigned int if_usr_sp; + unsigned int if_usr_lr; + unsigned int if_svc_sp; + unsigned int if_svc_lr; + unsigned int if_pc; +} irqframe_t; + +typedef struct clockframe { + unsigned int if_spsr; + unsigned int if_r0; + unsigned int if_r1; + unsigned int if_r2; + unsigned int if_r3; + unsigned int if_r4; + unsigned int if_r5; + unsigned int if_r6; + unsigned int if_r7; + unsigned int if_r8; + unsigned int if_r9; + unsigned int if_r10; + unsigned int if_r11; + unsigned int if_r12; + unsigned int if_usr_sp; + unsigned int if_usr_lr; + unsigned int if_svc_sp; + unsigned int if_svc_lr; + unsigned int if_pc; +} clockframe_t; + +int kdb_trap(int, struct trapframe *); + +/* + * Switch frame + */ + +struct switchframe { + u_int sf_r4; + u_int sf_r5; + u_int sf_r6; + u_int sf_r7; + u_int sf_pc; +}; + +/* + * Stack frame. Used during stack traces (db_trace.c) + */ +struct frame { + u_int fr_fp; + u_int fr_sp; + u_int fr_lr; + u_int fr_pc; +}; + +#endif /* !_LOCORE */ + +#endif /* _MACHINE_FRAME_H_ */ + +/* End of frame.h */ |