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/*
* Copyright (c) 2008 The Hewlett-Packard Development Company
* All rights reserved.
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: 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 holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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_proxy.hh"
#include "sim/byteswap.hh"
using namespace std;
using namespace X86ISA;
template<class T>
void writeVal(T val, PortProxy& proxy, Addr &addr)
{
T guestVal = htog(val);
proxy.writeBlob(addr, (uint8_t *)&guestVal, sizeof(T));
addr += sizeof(T);
}
void X86ISA::E820Table::writeTo(PortProxy& proxy, 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);
proxy.writeBlob(countAddr, (uint8_t *)&guestE820Nr, sizeof(guestE820Nr));
for (int i = 0; i < e820Nr; i++) {
writeVal(entries[i]->addr, proxy, addr);
writeVal(entries[i]->size, proxy, addr);
writeVal(entries[i]->type, proxy, addr);
}
}
E820Table *
X86E820TableParams::create()
{
return new E820Table(this);
}
E820Entry *
X86E820EntryParams::create()
{
return new E820Entry(this);
}
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