/* $NetBSD: cyclone_boot.h,v 1.2 2021/08/22 07:00:41 skrll 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 { uint32_t bt_magic; /* boot info magic number */ uint32_t bt_vargp; /* virtual addr of arg page */ uint32_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 */ uint32_t bt_memstart; /* start of physical memory */ uint32_t bt_memend; /* end of physical memory */ uint32_t bt_memavail; /* start of avail phys memory */ uint32_t bt_fclk; /* fclk frequency */ uint32_t bt_pciclk; /* PCI bus frequency */ uint32_t bt_vers; /* structure version (CATS) */ uint32_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 */ |