dump_mbuf.cc

来自「linux下基于c++的处理器仿真平台。具有处理器流水线」· CC 代码 · 共 78 行

/*
 * Copyright (c) 2003, 2004, 2005
 * The Regents of The University of Michigan
 * All Rights Reserved
 *
 * This code is part of the M5 simulator, developed by Nathan Binkert,
 * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions
 * from Ron Dreslinski, Dave Greene, Lisa Hsu, Kevin Lim, Ali Saidi,
 * and Andrew Schultz.
 *
 * Permission is granted to use, copy, create derivative works and
 * redistribute this software and such derivative works for any
 * purpose, so long as the copyright notice above, this grant of
 * permission, and the disclaimer below appear in all copies made; and
 * so long as the name of The University of Michigan is not used in
 * any advertising or publicity pertaining to the use or distribution
 * of this software without specific, written prior authorization.
 *
 * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
 * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND
 * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE
 * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT,
 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
 * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGES.
 */

#include <sys/types.h>
#include <algorithm>

#include "base/cprintf.hh"
#include "base/trace.hh"
#include "cpu/exec_context.hh"
#include "kern/tru64/mbuf.hh"
#include "sim/host.hh"
#include "targetarch/arguments.hh"
#include "targetarch/isa_traits.hh"
#include "targetarch/vtophys.hh"

namespace tru64 {

void
DumpMbuf(AlphaArguments args)
{
    ExecContext *xc = args.getExecContext();
    Addr addr = (Addr)args;
    struct mbuf m;

    CopyOut(xc, &m, addr, sizeof(m));

    int count = m.m_pkthdr.len;

    ccprintf(DebugOut(), "m=%#lx, m->m_pkthdr.len=%#d\n", addr,
	     m.m_pkthdr.len);

    while (count > 0) {
	ccprintf(DebugOut(), "m=%#lx, m->m_data=%#lx, m->m_len=%d\n",
		 addr, m.m_data, m.m_len);
	char *buffer = new char[m.m_len];
	CopyOut(xc, buffer, m.m_data, m.m_len);
	Trace::dataDump(curTick, xc->system->name(), (uint8_t *)buffer,
			m.m_len);
	delete [] buffer;

	count -= m.m_len;
	if (!m.m_next)
	    break;

	CopyOut(xc, &m, m.m_next, sizeof(m));
    }
}

} // namespace Tru64