| /* |
| * Copyright (c) 2008 The Hewlett-Packard Development Company |
| * All rights reserved. |
| * |
| * Redistribution and use of this software in source and binary forms, |
| * with or without modification, are permitted provided that the |
| * following conditions are met: |
| * |
| * The software must be used only for Non-Commercial Use which means any |
| * use which is NOT directed to receiving any direct monetary |
| * compensation for, or commercial advantage from such use. Illustrative |
| * examples of non-commercial use are academic research, personal study, |
| * teaching, education and corporate research & development. |
| * Illustrative examples of commercial use are distributing products for |
| * commercial advantage and providing services using the software for |
| * commercial advantage. |
| * |
| * If you wish to use this software or functionality therein that may be |
| * covered by patents for commercial use, please contact: |
| * Director of Intellectual Property Licensing |
| * Office of Strategy and Technology |
| * Hewlett-Packard Company |
| * 1501 Page Mill Road |
| * Palo Alto, California 94304 |
| * |
| * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. 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. Neither the name of |
| * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. No right of |
| * sublicense is granted herewith. Derivatives of the software and |
| * output created using the software may be prepared, but only for |
| * Non-Commercial Uses. Derivatives of the software may be shared with |
| * others provided: (i) the others agree to abide by the list of |
| * conditions herein which includes the Non-Commercial Use restrictions; |
| * and (ii) such Derivatives of the software include the above copyright |
| * notice to acknowledge the contribution from this software where |
| * applicable, this list of conditions and the disclaimer below. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 COPYRIGHT |
| * OWNER 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. |
| * |
| * Authors: Gabe Black |
| */ |
| |
| #include "arch/x86/bios/e820.hh" |
| #include "arch/x86/isa_traits.hh" |
| #include "mem/port.hh" |
| #include "sim/byteswap.hh" |
| |
| using namespace std; |
| using namespace X86ISA; |
| |
| template<class T> |
| void writeVal(T val, Port * port, Addr &addr) |
| { |
| T guestVal = htog(val); |
| port->writeBlob(addr, (uint8_t *)&guestVal, sizeof(T)); |
| addr += sizeof(T); |
| } |
| |
| void X86ISA::E820Table::writeTo(Port * port, Addr countAddr, Addr addr) |
| { |
| uint8_t e820Nr = entries.size(); |
| |
| // Make sure the number of entries isn't bigger than what the kernel |
| // would be capable of handling. |
| assert(e820Nr <= 128); |
| |
| uint8_t guestE820Nr = htog(e820Nr); |
| |
| port->writeBlob(countAddr, (uint8_t *)&guestE820Nr, sizeof(guestE820Nr)); |
| |
| for (int i = 0; i < e820Nr; i++) { |
| writeVal(entries[i]->addr, port, addr); |
| writeVal(entries[i]->size, port, addr); |
| writeVal(entries[i]->type, port, addr); |
| } |
| } |
| |
| E820Table * |
| X86E820TableParams::create() |
| { |
| return new E820Table(this); |
| } |
| |
| E820Entry * |
| X86E820EntryParams::create() |
| { |
| return new E820Entry(this); |
| } |