1/*
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2 * Copyright (c) 2009 ARM Limited
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2 * Copyright (c) 2009, 2014 ARM Limited |
3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2004-2005 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Ali Saidi 41 */ 42 43/** @file 44 * Implementation of RealView platform. 45 */ 46 47#include <deque> 48#include <string> 49#include <vector> 50 51#include "config/the_isa.hh" 52#include "cpu/intr_control.hh" 53#include "dev/arm/base_gic.hh" 54#include "dev/arm/realview.hh" 55#include "dev/terminal.hh" 56#include "sim/system.hh" 57 58using namespace std; 59using namespace TheISA; 60 61RealView::RealView(const Params *p) 62 : Platform(p), system(p->system) 63{} 64 65void
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66RealView::initState() 67{ 68 Addr junk; 69 bool has_gen_pci_host; 70 has_gen_pci_host = system->kernelSymtab->findAddress("gen_pci_setup", junk); 71 72 if (has_gen_pci_host && !params()->pci_cfg_gen_offsets) 73 warn("Kernel supports generic PCI host but PCI Config offsets " 74 "configured for legacy. Set pci_cfg_gen_offsets to True"); 75 if (has_gen_pci_host && !params()->pci_io_base) 76 warn("Kernel supports generic PCI host but PCI IO base is set " 77 "to 0. Set pci_io_base to the start of PCI IO space"); 78} 79 80void |
81RealView::postConsoleInt() 82{ 83 warn_once("Don't know what interrupt to post for console.\n"); 84 //panic("Need implementation\n"); 85} 86 87void 88RealView::clearConsoleInt() 89{ 90 warn_once("Don't know what interrupt to clear for console.\n"); 91 //panic("Need implementation\n"); 92} 93 94void 95RealView::postPciInt(int line) 96{ 97 gic->sendInt(line); 98} 99 100void 101RealView::clearPciInt(int line) 102{ 103 gic->clearInt(line); 104} 105 106Addr 107RealView::pciToDma(Addr pciAddr) const 108{ 109 return pciAddr; 110} 111 112 113Addr 114RealView::calcPciConfigAddr(int bus, int dev, int func) 115{ 116 if (bus != 0) 117 return ULL(-1);
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103 return params()->pci_cfg_base | ((func & 7) << 16) | ((dev & 0x1f) << 19);
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118 119 Addr cfg_offset = 0; 120 if (params()->pci_cfg_gen_offsets) 121 cfg_offset |= ((func & 7) << 12) | ((dev & 0x1f) << 15); 122 else 123 cfg_offset |= ((func & 7) << 16) | ((dev & 0x1f) << 19); 124 return params()->pci_cfg_base | cfg_offset; |
125} 126 127Addr 128RealView::calcPciIOAddr(Addr addr) 129{
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109 return addr;
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130 return params()->pci_io_base + addr; |
131} 132 133Addr 134RealView::calcPciMemAddr(Addr addr) 135{ 136 return addr; 137} 138 139RealView * 140RealViewParams::create() 141{ 142 return new RealView(this); 143}
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