access.h revision 5222
1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#ifndef __MIPS_ACCESS_H__ 32#define __MIPS_ACCESS_H__ 33 34/** @file 35 * System Console Memory Mapped Register Definition 36 */ 37 38#define MIPS_ACCESS_VERSION (1305) 39#define CONSOLE_START_ADDRESS 0xBFD00F00 40#define REG_OFFSET 1 41#define UART8250_BASE 0xBFD003F8 42#define UART8250_END 7*REG_OFFSET 43#ifdef CONSOLE 44typedef unsigned uint32_t; 45typedef unsigned long uint64_t; 46#endif 47 48// This structure hacked up from simos 49struct MipsAccess 50{ 51 uint32_t inputChar; // 00: Placeholder for input 52 uint32_t last_offset; // 04: must be first field 53 uint32_t version; // 08: 54 uint32_t numCPUs; // 0C: 55 uint32_t intrClockFrequency; // 10: Hz 56 57 // Loaded kernel 58 uint32_t kernStart; // 14: 59 uint32_t kernEnd; // 18: 60 uint32_t entryPoint; // 1c: 61 62 // console simple output stuff 63 uint32_t outputChar; // 20: Placeholder for output 64 65 // console disk stuff 66 uint32_t diskUnit; // 24: 67 uint32_t diskCount; // 28: 68 uint32_t diskPAddr; // 2c: 69 uint32_t diskBlock; // 30: 70 uint32_t diskOperation; // 34: 71 72 // MP boot 73 uint32_t cpuStack[64]; // 70: 74 75 /* XXX There appears to be a problem in accessing 76 * unit64_t in the console.c file. They are treated 77 * like uint32_int and result in the wrong address for 78 * everything below. This problem should be investigated. 79 */ 80 uint64_t cpuClock; // 38: MHz 81 uint64_t mem_size; // 40: 82}; 83 84#endif // __MIPS_ACCESS_H__ 85