linux.cc (11800:54436a1784dc) linux.cc (11851:824055fe6b30)
1/*
2 * Copyright (c) 2009 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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33#include <cstdio>
34#include <string>
35
36#include "debug/SyscallVerbose.hh"
37#include "sim/process.hh"
38#include "sim/system.hh"
39
40int
1/*
2 * Copyright (c) 2009 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 24 unchanged lines hidden (view full) ---

33#include <cstdio>
34#include <string>
35
36#include "debug/SyscallVerbose.hh"
37#include "sim/process.hh"
38#include "sim/system.hh"
39
40int
41Linux::openSpecialFile(std::string path, LiveProcess *process,
41Linux::openSpecialFile(std::string path, Process *process,
42 ThreadContext *tc)
43{
44 DPRINTF(SyscallVerbose, "Opening special file: %s\n", path.c_str());
45 if (path.compare(0, 13, "/proc/meminfo") == 0) {
46 std::string data = Linux::procMeminfo(process, tc);
47 FILE *f = tmpfile();
48 int fd = fileno(f);
49 size_t ret M5_VAR_USED = fwrite(data.c_str(), 1, data.size(), f);

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54
55 warn("Attempting to open special file: %s. Ignoring. Simulation may"
56 " take un-expected code path or be non-deterministic until proper"
57 " handling is implemented.\n", path.c_str());
58 return -1;
59}
60
61std::string
42 ThreadContext *tc)
43{
44 DPRINTF(SyscallVerbose, "Opening special file: %s\n", path.c_str());
45 if (path.compare(0, 13, "/proc/meminfo") == 0) {
46 std::string data = Linux::procMeminfo(process, tc);
47 FILE *f = tmpfile();
48 int fd = fileno(f);
49 size_t ret M5_VAR_USED = fwrite(data.c_str(), 1, data.size(), f);

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54
55 warn("Attempting to open special file: %s. Ignoring. Simulation may"
56 " take un-expected code path or be non-deterministic until proper"
57 " handling is implemented.\n", path.c_str());
58 return -1;
59}
60
61std::string
62Linux::procMeminfo(LiveProcess *process, ThreadContext *tc)
62Linux::procMeminfo(Process *process, ThreadContext *tc)
63{
64 return csprintf("MemTotal:%12d kB\nMemFree: %12d kB\n",
65 process->system->memSize() >> 10,
66 process->system->freeMemSize() >> 10);
67}
68
63{
64 return csprintf("MemTotal:%12d kB\nMemFree: %12d kB\n",
65 process->system->memSize() >> 10,
66 process->system->freeMemSize() >> 10);
67}
68