File: [local] / sys / sys / core.h (download)
Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:16:09 2008 UTC (16 years, 3 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD Changes since 1.1: +0 -0 lines
Import of OpenBSD 4.2 release kernel tree with initial code to support
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO
Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)
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/* $OpenBSD: core.h,v 1.3 2003/10/30 21:38:09 jmc Exp $ */
/* $NetBSD: core.h,v 1.4 1994/10/29 08:20:14 cgd Exp $ */
/*
* Copyright (c) 1994 Paul Kranenburg
* 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 Paul Kranenburg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#define COREMAGIC 0507
#define CORESEGMAGIC 0510
/*
* The core structure's c_midmag field (like exec's a_midmag) is a
* network-byteorder encoding of this int
* FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
* Where `F' is 6 bits of flag (currently unused),
* `m' is 10 bits of machine-id, and
* `M' is 16 bits worth of magic number, ie. COREMAGIC.
* The macros below will set/get the needed fields.
*/
#define CORE_GETMAGIC(c) ( ntohl(((c).c_midmag)) & 0xffff )
#define CORE_GETMID(c) ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff )
#define CORE_GETFLAG(c) ( (ntohl(((c).c_midmag)) >> 26) & 0x03f )
#define CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \
( ((flag) & 0x3f) << 26) | \
( ((mid) & 0x03ff) << 16) | \
( ((mag) & 0xffff) ) ) )
/* Flag definitions */
#define CORE_CPU 1
#define CORE_DATA 2
#define CORE_STACK 4
/*
* A core file consists of a header followed by a number of segments.
* Each segment is preceded by a `coreseg' structure giving the
* segment's type, the virtual address where the bits resided in
* process address space and the size of the segment.
*
* The core header specifies the lengths of the core header itself and
* each of the following core segment headers to allow for any machine
* dependent alignment requirements.
*/
struct core {
u_int32_t c_midmag; /* magic, id, flags */
u_int16_t c_hdrsize; /* Size of this header (machdep algn) */
u_int16_t c_seghdrsize; /* Size of a segment header */
u_int32_t c_nseg; /* # of core segments */
char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */
u_int32_t c_signo; /* Killing signal */
u_long c_ucode; /* Hmm ? */
u_long c_cpusize; /* Size of machine dependent segment */
u_long c_tsize; /* Size of traditional text segment */
u_long c_dsize; /* Size of traditional data segment */
u_long c_ssize; /* Size of traditional stack segment */
};
struct coreseg {
u_int32_t c_midmag; /* magic, id, flags */
u_long c_addr; /* Virtual address of segment */
u_long c_size; /* Size of this segment */
};