67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
/* $NetBSD: cyclone_boot.h,v 1.1 2001/06/20 22:14:34 chris Exp $ */
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/*
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* Copyright (c) 1997,1998 Mark Brinicombe.
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* Copyright (c) 1997,1998 Causality Limited.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Define the boot structure that is passed to the kernel
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* from the cyclone firmware.
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*
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* The bootloader reserves a page for boot argument info.
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* This page will contain the ebsaboot structure and the
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* kernel argument string.
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*/
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struct ebsaboot {
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u_int32_t bt_magic; /* boot info magic number */
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u_int32_t bt_vargp; /* virtual addr of arg page */
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u_int32_t bt_pargp; /* physical addr of arg page */
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const char * bt_args; /* kernel args string pointer */
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pd_entry_t * bt_l1; /* active L1 page table */
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u_int32_t bt_memstart; /* start of physical memory */
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u_int32_t bt_memend; /* end of physical memory */
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u_int32_t bt_memavail; /* start of avail phys memory */
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u_int32_t bt_fclk; /* fclk frequency */
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u_int32_t bt_pciclk; /* PCI bus frequency */
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u_int32_t bt_vers; /* structure version (CATS) */
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u_int32_t bt_features; /* feature mask (CATS) */
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};
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#define BT_MAGIC_NUMBER_EBSA 0x45425341
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#define BT_MAGIC_NUMBER_CATS 0x43415453
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#define BT_BOOT_VERSION_OLD 0
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#define BT_BOOT_VERSION_NEW 1
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/* End of cyclone_boot.h */
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