c110695a44
The C++ versions of those functions are technically in the std namespace, and while they may work without it (the C version leaking through from somewhere?), they should still use it. Change-Id: Ib53a7f0c41d7f5776221e7661c616ea51e8ed528 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/31834 Tested-by: kokoro <noreply+kokoro@google.com> Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2003-2005 The Regents of The University of Michigan
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <cstring>
|
|
#include <iostream>
|
|
|
|
#include "args.hh"
|
|
#include "command.hh"
|
|
#include "dispatch_table.hh"
|
|
|
|
namespace
|
|
{
|
|
|
|
int
|
|
read_file(const DispatchTable &dt, std::ostream &os)
|
|
{
|
|
char buf[256 * 1024];
|
|
|
|
// Touch all buffer pages to ensure they are mapped in the
|
|
// page table. This is required in the case of X86_FS, where
|
|
// Linux does demand paging.
|
|
std::memset(buf, 0, sizeof(buf));
|
|
|
|
int len;
|
|
int offset = 0;
|
|
while ((len = (*dt.m5_read_file)(buf, sizeof(buf), offset)) > 0) {
|
|
os.write(buf, len);
|
|
os.flush();
|
|
if (!os) {
|
|
std::cerr << "Failed to write file" << std::endl;
|
|
exit(2);
|
|
}
|
|
offset += len;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
bool
|
|
do_read_file(const DispatchTable &dt, Args &args)
|
|
{
|
|
if (args.size() > 0)
|
|
return false;
|
|
|
|
read_file(dt, std::cout);
|
|
|
|
return true;
|
|
}
|
|
|
|
Command read_file_cmd = {
|
|
"readfile", 0, 0, do_read_file, "\n"
|
|
" read a preselected file from the host and write it to "
|
|
"stdout" };
|
|
|
|
} // anonymous namespace
|