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/* $OpenBSD: cyclone_boot.h,v 1.1 2004/02/01 05:12:54 drahn Exp $ */
/* $NetBSD: cyclone_boot.h,v 1.1 2001/06/20 22:14:34 chris Exp $ */
/*
* Copyright (c) 1997,1998 Mark Brinicombe.
* Copyright (c) 1997,1998 Causality Limited.
* 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 Mark Brinicombe.
* 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 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 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.
*/
/*
* Define the boot structure that is passed to the kernel
* from the cyclone firmware.
*
* The bootloader reserves a page for boot argument info.
* This page will contain the ebsaboot structure and the
* kernel argument string.
*/
struct ebsaboot {
u_int32_t bt_magic; /* boot info magic number */
u_int32_t bt_vargp; /* virtual addr of arg page */
u_int32_t bt_pargp; /* physical addr of arg page */
const char * bt_args; /* kernel args string pointer */
pd_entry_t * bt_l1; /* active L1 page table */
u_int32_t bt_memstart; /* start of physical memory */
u_int32_t bt_memend; /* end of physical memory */
u_int32_t bt_memavail; /* start of avail phys memory */
u_int32_t bt_fclk; /* fclk frequency */
u_int32_t bt_pciclk; /* PCI bus frequency */
u_int32_t bt_vers; /* structure version (CATS) */
u_int32_t bt_features; /* feature mask (CATS) */
};
#define BT_MAGIC_NUMBER_EBSA 0x45425341
#define BT_MAGIC_NUMBER_CATS 0x43415453
#define BT_BOOT_VERSION_OLD 0
#define BT_BOOT_VERSION_NEW 1
/* End of cyclone_boot.h */
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