8c71dc5878
(format_proc_mounts): New function to implement mounts symlink. * fhandler_process.cc (process_tab): Add entry for mounts file. (format_process_mounts): New function to implement mounts file.
1140 lines
31 KiB
C++
1140 lines
31 KiB
C++
/* fhandler_proc.cc: fhandler for /proc virtual filesystem
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Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2009 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include "miscfuncs.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include "cygerrno.h"
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#include "security.h"
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#include "path.h"
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#include "fhandler.h"
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#include "fhandler_virtual.h"
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#include "pinfo.h"
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#include "dtable.h"
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#include "cygheap.h"
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#include "tls_pbuf.h"
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#include <sys/utsname.h>
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#include <sys/param.h>
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#include "ntdll.h"
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#include <ctype.h>
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#include <winioctl.h>
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#include <wchar.h>
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#include "cpuid.h"
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#define _COMPILING_NEWLIB
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#include <dirent.h>
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static _off64_t format_proc_loadavg (void *, char *&);
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static _off64_t format_proc_meminfo (void *, char *&);
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static _off64_t format_proc_stat (void *, char *&);
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static _off64_t format_proc_version (void *, char *&);
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static _off64_t format_proc_uptime (void *, char *&);
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static _off64_t format_proc_cpuinfo (void *, char *&);
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static _off64_t format_proc_partitions (void *, char *&);
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static _off64_t format_proc_self (void *, char *&);
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static _off64_t format_proc_mounts (void *, char *&);
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/* names of objects in /proc */
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static const virt_tab_t proc_tab[] = {
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{ ".", FH_PROC, virt_directory, NULL },
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{ "..", FH_PROC, virt_directory, NULL },
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{ "loadavg", FH_PROC, virt_file, format_proc_loadavg },
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{ "meminfo", FH_PROC, virt_file, format_proc_meminfo },
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{ "registry", FH_REGISTRY, virt_directory, NULL },
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{ "stat", FH_PROC, virt_file, format_proc_stat },
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{ "version", FH_PROC, virt_file, format_proc_version },
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{ "uptime", FH_PROC, virt_file, format_proc_uptime },
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{ "cpuinfo", FH_PROC, virt_file, format_proc_cpuinfo },
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{ "partitions", FH_PROC, virt_file, format_proc_partitions },
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{ "self", FH_PROC, virt_symlink, format_proc_self },
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{ "mounts", FH_PROC, virt_symlink, format_proc_mounts },
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{ "registry32", FH_REGISTRY, virt_directory, NULL },
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{ "registry64", FH_REGISTRY, virt_directory, NULL },
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{ "net", FH_PROCNET, virt_directory, NULL },
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{ NULL, 0, virt_none, NULL }
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};
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#define PROC_DIR_COUNT 4
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static const int PROC_LINK_COUNT = (sizeof (proc_tab) / sizeof (virt_tab_t)) - 1;
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/* name of the /proc filesystem */
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const char proc[] = "/proc";
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const int proc_len = sizeof (proc) - 1;
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/* Auxillary function that returns the fhandler associated with the given path
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this is where it would be nice to have pattern matching in C - polymorphism
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just doesn't cut it. */
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DWORD
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fhandler_proc::get_proc_fhandler (const char *path)
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{
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debug_printf ("get_proc_fhandler(%s)", path);
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path += proc_len;
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/* Since this method is called from path_conv::check we can't rely on
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it being normalised and therefore the path may have runs of slashes
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in it. */
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while (isdirsep (*path))
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path++;
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/* Check if this is the root of the virtual filesystem (i.e. /proc). */
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if (*path == 0)
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return FH_PROC;
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for (int i = 0; proc_tab[i].name; i++)
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{
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if (path_prefix_p (proc_tab[i].name, path, strlen (proc_tab[i].name),
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false))
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return proc_tab[i].fhandler;
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}
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if (pinfo (atoi (path)))
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return FH_PROCESS;
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bool has_subdir = false;
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while (*path)
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if (isdirsep (*path++))
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{
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has_subdir = true;
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break;
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}
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if (has_subdir)
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/* The user is trying to access a non-existent subdirectory of /proc. */
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return FH_BAD;
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else
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/* Return FH_PROC so that we can return EROFS if the user is trying to
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create a file. */
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return FH_PROC;
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}
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/* Returns 0 if path doesn't exist, >0 if path is a directory,
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-1 if path is a file, -2 if it's a symlink. */
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int
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fhandler_proc::exists ()
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{
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const char *path = get_name ();
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debug_printf ("exists (%s)", path);
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path += proc_len;
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if (*path == 0)
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return virt_rootdir;
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for (int i = 0; proc_tab[i].name; i++)
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if (!strcmp (path + 1, proc_tab[i].name))
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{
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fileid = i;
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return proc_tab[i].type;
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}
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return virt_none;
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}
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fhandler_proc::fhandler_proc ():
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fhandler_virtual ()
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{
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}
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int
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fhandler_proc::fstat (struct __stat64 *buf)
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{
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const char *path = get_name ();
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debug_printf ("fstat (%s)", path);
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path += proc_len;
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fhandler_base::fstat (buf);
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buf->st_mode &= ~_IFMT & NO_W;
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if (!*path)
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{
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winpids pids ((DWORD) 0);
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buf->st_ino = 2;
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buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
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buf->st_nlink = PROC_DIR_COUNT + 2 + pids.npids;
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return 0;
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}
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else
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{
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path++;
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for (int i = 0; proc_tab[i].name; i++)
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if (!strcmp (path, proc_tab[i].name))
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{
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if (proc_tab[i].type == virt_directory)
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buf->st_mode |= S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
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else if (proc_tab[i].type == virt_symlink)
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buf->st_mode = S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO;
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else
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{
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buf->st_mode &= NO_X;
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buf->st_mode |= S_IFREG;
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}
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return 0;
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}
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}
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set_errno (ENOENT);
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return -1;
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}
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int
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fhandler_proc::readdir (DIR *dir, dirent *de)
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{
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int res;
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if (dir->__d_position < PROC_LINK_COUNT)
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{
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strcpy (de->d_name, proc_tab[dir->__d_position++].name);
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dir->__flags |= dirent_saw_dot | dirent_saw_dot_dot;
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res = 0;
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}
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else
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{
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winpids pids ((DWORD) 0);
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int found = 0;
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res = ENMFILE;
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for (unsigned i = 0; i < pids.npids; i++)
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if (found++ == dir->__d_position - PROC_LINK_COUNT)
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{
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__small_sprintf (de->d_name, "%d", pids[i]->pid);
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dir->__d_position++;
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res = 0;
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break;
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}
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}
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syscall_printf ("%d = readdir (%p, %p) (%s)", res, dir, de, de->d_name);
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return res;
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}
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int
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fhandler_proc::open (int flags, mode_t mode)
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{
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int proc_file_no = -1;
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int res = fhandler_virtual::open (flags, mode);
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if (!res)
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goto out;
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nohandle (true);
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const char *path;
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path = get_name () + proc_len;
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if (!*path)
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{
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if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
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{
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set_errno (EEXIST);
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res = 0;
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goto out;
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}
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else if (flags & O_WRONLY)
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{
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set_errno (EISDIR);
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res = 0;
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goto out;
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}
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else
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{
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flags |= O_DIROPEN;
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goto success;
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}
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}
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proc_file_no = -1;
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for (int i = 0; proc_tab[i].name; i++)
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if (path_prefix_p (proc_tab[i].name, path + 1, strlen (proc_tab[i].name),
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false))
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{
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proc_file_no = i;
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if (proc_tab[i].fhandler != FH_PROC)
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{
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if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
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{
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set_errno (EEXIST);
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res = 0;
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goto out;
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}
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else if (flags & O_WRONLY)
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{
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set_errno (EISDIR);
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res = 0;
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goto out;
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}
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else
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{
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flags |= O_DIROPEN;
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goto success;
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}
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}
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}
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if (proc_file_no == -1)
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{
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if (flags & O_CREAT)
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{
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set_errno (EROFS);
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res = 0;
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goto out;
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}
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else
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{
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set_errno (ENOENT);
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res = 0;
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goto out;
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}
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}
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if (flags & O_WRONLY)
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{
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set_errno (EROFS);
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res = 0;
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goto out;
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}
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fileid = proc_file_no;
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if (!fill_filebuf ())
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{
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res = 0;
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goto out;
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}
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if (flags & O_APPEND)
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position = filesize;
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else
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position = 0;
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success:
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res = 1;
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set_flags ((flags & ~O_TEXT) | O_BINARY);
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set_open_status ();
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out:
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syscall_printf ("%d = fhandler_proc::open (%p, %d)", res, flags, mode);
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return res;
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}
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bool
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fhandler_proc::fill_filebuf ()
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{
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if (fileid < PROC_LINK_COUNT && proc_tab[fileid].format_func)
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{
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filesize = proc_tab[fileid].format_func (NULL, filebuf);
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return true;
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}
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return false;
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}
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static _off64_t
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format_proc_version (void *, char *&destbuf)
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{
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struct utsname uts_name;
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uname (&uts_name);
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destbuf = (char *) crealloc_abort (destbuf, strlen (uts_name.sysname)
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+ strlen (uts_name.release)
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+ strlen (uts_name.version)
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+ 4);
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return __small_sprintf (destbuf, "%s %s %s\n",
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uts_name.sysname, uts_name.release, uts_name.version);
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}
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static _off64_t
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format_proc_loadavg (void *, char *&destbuf)
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{
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destbuf = (char *) crealloc_abort (destbuf, 16);
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return __small_sprintf (destbuf, "%u.%02u %u.%02u %u.%02u\n",
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0, 0, 0, 0, 0, 0);
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}
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static _off64_t
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format_proc_meminfo (void *, char *&destbuf)
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{
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unsigned long mem_total = 0UL, mem_free = 0UL, swap_total = 0UL,
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swap_free = 0UL;
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MEMORYSTATUS memory_status;
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GlobalMemoryStatus (&memory_status);
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mem_total = memory_status.dwTotalPhys;
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mem_free = memory_status.dwAvailPhys;
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PSYSTEM_PAGEFILE_INFORMATION spi = NULL;
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ULONG size = 512;
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NTSTATUS ret = STATUS_SUCCESS;
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spi = (PSYSTEM_PAGEFILE_INFORMATION) malloc (size);
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if (spi)
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{
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ret = NtQuerySystemInformation (SystemPagefileInformation, (PVOID) spi,
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size, &size);
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if (ret == STATUS_INFO_LENGTH_MISMATCH)
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{
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free (spi);
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spi = (PSYSTEM_PAGEFILE_INFORMATION) malloc (size);
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if (spi)
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ret = NtQuerySystemInformation (SystemPagefileInformation,
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(PVOID) spi, size, &size);
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}
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}
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if (!spi || ret || (!ret && GetLastError () == ERROR_PROC_NOT_FOUND))
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{
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swap_total = memory_status.dwTotalPageFile - mem_total;
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swap_free = memory_status.dwAvailPageFile - mem_total;
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}
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else
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{
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PSYSTEM_PAGEFILE_INFORMATION spp = spi;
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do
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{
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swap_total += spp->CurrentSize * getsystempagesize ();
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swap_free += (spp->CurrentSize - spp->TotalUsed)
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* getsystempagesize ();
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}
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while (spp->NextEntryOffset
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&& (spp = (PSYSTEM_PAGEFILE_INFORMATION)
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((char *) spp + spp->NextEntryOffset)));
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}
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if (spi)
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free (spi);
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destbuf = (char *) crealloc_abort (destbuf, 512);
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return __small_sprintf (destbuf, " total: used: free:\n"
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"Mem: %10lu %10lu %10lu\n"
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"Swap: %10lu %10lu %10lu\n"
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"MemTotal: %10lu kB\n"
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"MemFree: %10lu kB\n"
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"MemShared: 0 kB\n"
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"HighTotal: 0 kB\n"
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"HighFree: 0 kB\n"
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"LowTotal: %10lu kB\n"
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"LowFree: %10lu kB\n"
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"SwapTotal: %10lu kB\n"
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"SwapFree: %10lu kB\n",
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mem_total, mem_total - mem_free, mem_free,
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swap_total, swap_total - swap_free, swap_free,
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mem_total >> 10, mem_free >> 10,
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mem_total >> 10, mem_free >> 10,
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swap_total >> 10, swap_free >> 10);
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}
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|
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static _off64_t
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format_proc_uptime (void *, char *&destbuf)
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{
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unsigned long long uptime = 0ULL, idle_time = 0ULL;
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NTSTATUS ret;
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SYSTEM_BASIC_INFORMATION sbi;
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SYSTEM_TIME_OF_DAY_INFORMATION stodi;
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SYSTEM_PERFORMANCE_INFORMATION spi;
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|
|
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ret = NtQuerySystemInformation (SystemBasicInformation, (PVOID) &sbi,
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sizeof sbi, NULL);
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if (!NT_SUCCESS (ret))
|
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{
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debug_printf ("NtQuerySystemInformation: ret %d", ret);
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sbi.NumberProcessors = 1;
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}
|
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|
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ret = NtQuerySystemInformation (SystemTimeOfDayInformation, &stodi,
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sizeof stodi, NULL);
|
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if (NT_SUCCESS (ret))
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uptime = (stodi.CurrentTime.QuadPart - stodi.BootTime.QuadPart) / 100000ULL;
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ret = NtQuerySystemInformation (SystemPerformanceInformation, &spi,
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sizeof spi, NULL);
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if (NT_SUCCESS (ret))
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idle_time = (spi.IdleTime.QuadPart / sbi.NumberProcessors) / 100000ULL;
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|
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destbuf = (char *) crealloc_abort (destbuf, 80);
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return __small_sprintf (destbuf, "%U.%02u %U.%02u\n",
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uptime / 100, long (uptime % 100),
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idle_time / 100, long (idle_time % 100));
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}
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|
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static _off64_t
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format_proc_stat (void *, char *&destbuf)
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{
|
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unsigned long pages_in = 0UL, pages_out = 0UL, interrupt_count = 0UL,
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context_switches = 0UL, swap_in = 0UL, swap_out = 0UL;
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time_t boot_time = 0;
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NTSTATUS ret;
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SYSTEM_PERFORMANCE_INFORMATION spi;
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SYSTEM_TIME_OF_DAY_INFORMATION stodi;
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SYSTEM_BASIC_INFORMATION sbi;
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tmp_pathbuf tp;
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|
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char *buf = tp.c_get ();
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char *eobuf = buf;
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|
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if ((ret = NtQuerySystemInformation (SystemBasicInformation,
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(PVOID) &sbi, sizeof sbi, NULL))
|
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!= STATUS_SUCCESS)
|
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{
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debug_printf ("NtQuerySystemInformation: ret %d", ret);
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sbi.NumberProcessors = 1;
|
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}
|
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|
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SYSTEM_PROCESSOR_TIMES spt[sbi.NumberProcessors];
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ret = NtQuerySystemInformation (SystemProcessorTimes, (PVOID) spt,
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sizeof spt[0] * sbi.NumberProcessors, NULL);
|
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interrupt_count = 0;
|
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if (ret == STATUS_SUCCESS)
|
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{
|
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unsigned long long user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL;
|
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for (int i = 0; i < sbi.NumberProcessors; i++)
|
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{
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kernel_time += (spt[i].KernelTime.QuadPart - spt[i].IdleTime.QuadPart)
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* HZ / 10000000ULL;
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user_time += spt[i].UserTime.QuadPart * HZ / 10000000ULL;
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idle_time += spt[i].IdleTime.QuadPart * HZ / 10000000ULL;
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}
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|
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eobuf += __small_sprintf (eobuf, "cpu %U %U %U %U\n",
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user_time, 0ULL, kernel_time, idle_time);
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|
user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL;
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for (int i = 0; i < sbi.NumberProcessors; i++)
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{
|
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interrupt_count += spt[i].InterruptCount;
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kernel_time = (spt[i].KernelTime.QuadPart - spt[i].IdleTime.QuadPart) * HZ / 10000000ULL;
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user_time = spt[i].UserTime.QuadPart * HZ / 10000000ULL;
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idle_time = spt[i].IdleTime.QuadPart * HZ / 10000000ULL;
|
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eobuf += __small_sprintf (eobuf, "cpu%d %U %U %U %U\n", i,
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user_time, 0ULL, kernel_time, idle_time);
|
|
}
|
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|
|
ret = NtQuerySystemInformation (SystemPerformanceInformation,
|
|
(PVOID) &spi, sizeof spi, NULL);
|
|
}
|
|
if (ret == STATUS_SUCCESS)
|
|
ret = NtQuerySystemInformation (SystemTimeOfDayInformation,
|
|
(PVOID) &stodi,
|
|
sizeof stodi, NULL);
|
|
if (ret != STATUS_SUCCESS)
|
|
{
|
|
debug_printf ("NtQuerySystemInformation: ret %d", ret);
|
|
return 0;
|
|
}
|
|
pages_in = spi.PagesRead;
|
|
pages_out = spi.PagefilePagesWritten + spi.MappedFilePagesWritten;
|
|
/*
|
|
* Note: there is no distinction made in this structure between pages
|
|
* read from the page file and pages read from mapped files, but there
|
|
* is such a distinction made when it comes to writing. Goodness knows
|
|
* why. The value of swap_in, then, will obviously be wrong but its our
|
|
* best guess.
|
|
*/
|
|
swap_in = spi.PagesRead;
|
|
swap_out = spi.PagefilePagesWritten;
|
|
context_switches = spi.ContextSwitches;
|
|
boot_time = to_time_t ((FILETIME *) &stodi.BootTime.QuadPart);
|
|
|
|
eobuf += __small_sprintf (eobuf, "page %u %u\n"
|
|
"swap %u %u\n"
|
|
"intr %u\n"
|
|
"ctxt %u\n"
|
|
"btime %u\n",
|
|
pages_in, pages_out,
|
|
swap_in, swap_out,
|
|
interrupt_count,
|
|
context_switches,
|
|
boot_time);
|
|
destbuf = (char *) crealloc_abort (destbuf, eobuf - buf);
|
|
memcpy (destbuf, buf, eobuf - buf);
|
|
return eobuf - buf;
|
|
}
|
|
|
|
#define read_value(x,y) \
|
|
do {\
|
|
dwCount = BUFSIZE; \
|
|
if ((dwError = RegQueryValueEx (hKey, x, NULL, &dwType, (BYTE *) szBuffer, &dwCount)), \
|
|
(dwError != ERROR_SUCCESS && dwError != ERROR_MORE_DATA)) \
|
|
{ \
|
|
debug_printf ("RegQueryValueEx failed retcode %d", dwError); \
|
|
return 0; \
|
|
} \
|
|
if (dwType != y) \
|
|
{ \
|
|
debug_printf ("Value %s had an unexpected type (expected %d, found %d)", y, dwType); \
|
|
return 0; \
|
|
}\
|
|
} while (0)
|
|
|
|
#define print(x) \
|
|
do { \
|
|
strcpy (bufptr, x), \
|
|
bufptr += sizeof (x) - 1; \
|
|
} while (0)
|
|
|
|
static _off64_t
|
|
format_proc_cpuinfo (void *, char *&destbuf)
|
|
{
|
|
SYSTEM_INFO siSystemInfo;
|
|
HKEY hKey;
|
|
DWORD dwError, dwCount, dwType;
|
|
DWORD dwOldThreadAffinityMask;
|
|
int cpu_number;
|
|
const int BUFSIZE = 256;
|
|
CHAR szBuffer[BUFSIZE];
|
|
tmp_pathbuf tp;
|
|
|
|
char *buf = tp.c_get ();
|
|
char *bufptr = buf;
|
|
|
|
GetSystemInfo (&siSystemInfo);
|
|
for (cpu_number = 0; ; cpu_number++)
|
|
{
|
|
if (cpu_number)
|
|
print ("\n");
|
|
|
|
__small_sprintf (szBuffer, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\%d", cpu_number);
|
|
|
|
if ((dwError = RegOpenKeyEx (HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_QUERY_VALUE, &hKey)) != ERROR_SUCCESS)
|
|
{
|
|
if (dwError == ERROR_FILE_NOT_FOUND)
|
|
break;
|
|
debug_printf ("RegOpenKeyEx failed retcode %d", dwError);
|
|
return 0;
|
|
}
|
|
|
|
dwOldThreadAffinityMask = SetThreadAffinityMask (GetCurrentThread (), 1 << cpu_number);
|
|
if (dwOldThreadAffinityMask == 0)
|
|
debug_printf ("SetThreadAffinityMask failed %E");
|
|
// I'm not sure whether the thread changes processor immediately
|
|
// and I'm not sure whether this function will cause the thread to be rescheduled
|
|
low_priority_sleep (0);
|
|
|
|
bool has_cpuid = false;
|
|
|
|
if (!can_set_flag (0x00040000))
|
|
debug_printf ("386 processor - no cpuid");
|
|
else
|
|
{
|
|
debug_printf ("486 processor");
|
|
if (can_set_flag (0x00200000))
|
|
{
|
|
debug_printf ("processor supports CPUID instruction");
|
|
has_cpuid = true;
|
|
}
|
|
else
|
|
debug_printf ("processor does not support CPUID instruction");
|
|
}
|
|
|
|
|
|
if (!has_cpuid)
|
|
{
|
|
bufptr += __small_sprintf (bufptr, "processor : %d\n", cpu_number);
|
|
read_value ("VendorIdentifier", REG_SZ);
|
|
bufptr += __small_sprintf (bufptr, "vendor_id : %s\n", szBuffer);
|
|
read_value ("Identifier", REG_SZ);
|
|
bufptr += __small_sprintf (bufptr, "identifier : %s\n", szBuffer);
|
|
read_value ("~Mhz", REG_DWORD);
|
|
bufptr += __small_sprintf (bufptr, "cpu MHz : %u\n", *(DWORD *) szBuffer);
|
|
|
|
print ("flags :");
|
|
if (IsProcessorFeaturePresent (PF_3DNOW_INSTRUCTIONS_AVAILABLE))
|
|
print (" 3dnow");
|
|
if (IsProcessorFeaturePresent (PF_COMPARE_EXCHANGE_DOUBLE))
|
|
print (" cx8");
|
|
if (!IsProcessorFeaturePresent (PF_FLOATING_POINT_EMULATED))
|
|
print (" fpu");
|
|
if (IsProcessorFeaturePresent (PF_MMX_INSTRUCTIONS_AVAILABLE))
|
|
print (" mmx");
|
|
if (IsProcessorFeaturePresent (PF_PAE_ENABLED))
|
|
print (" pae");
|
|
if (IsProcessorFeaturePresent (PF_RDTSC_INSTRUCTION_AVAILABLE))
|
|
print (" tsc");
|
|
if (IsProcessorFeaturePresent (PF_XMMI_INSTRUCTIONS_AVAILABLE))
|
|
print (" sse");
|
|
if (IsProcessorFeaturePresent (PF_XMMI64_INSTRUCTIONS_AVAILABLE))
|
|
print (" sse2");
|
|
}
|
|
else
|
|
{
|
|
bufptr += __small_sprintf (bufptr, "processor\t: %d\n", cpu_number);
|
|
unsigned maxf, vendor_id[4], unused;
|
|
cpuid (&maxf, &vendor_id[0], &vendor_id[2], &vendor_id[1], 0);
|
|
maxf &= 0xffff;
|
|
vendor_id[3] = 0;
|
|
|
|
// vendor identification
|
|
bool is_amd = false, is_intel = false;
|
|
if (!strcmp ((char*)vendor_id, "AuthenticAMD"))
|
|
is_amd = true;
|
|
else if (!strcmp ((char*)vendor_id, "GenuineIntel"))
|
|
is_intel = true;
|
|
|
|
bufptr += __small_sprintf (bufptr, "vendor_id\t: %s\n",
|
|
(char *)vendor_id);
|
|
read_value ("~Mhz", REG_DWORD);
|
|
unsigned cpu_mhz = *(DWORD *)szBuffer;
|
|
if (maxf >= 1)
|
|
{
|
|
unsigned features2, features1, extra_info, cpuid_sig;
|
|
cpuid (&cpuid_sig, &extra_info, &features2, &features1, 1);
|
|
/* unsigned extended_family = (cpuid_sig & 0x0ff00000) >> 20,
|
|
extended_model = (cpuid_sig & 0x000f0000) >> 16,
|
|
type = (cpuid_sig & 0x00003000) >> 12; */
|
|
unsigned family = (cpuid_sig & 0x00000f00) >> 8,
|
|
model = (cpuid_sig & 0x000000f0) >> 4,
|
|
stepping = cpuid_sig & 0x0000000f;
|
|
/* Not printed on Linux */
|
|
//unsigned brand_id = extra_info & 0x0000000f;
|
|
//unsigned cpu_count = (extra_info & 0x00ff0000) >> 16;
|
|
unsigned apic_id = (extra_info & 0xff000000) >> 24;
|
|
if (family == 15)
|
|
family += (cpuid_sig >> 20) & 0xff;
|
|
if (family >= 6)
|
|
model += ((cpuid_sig >> 16) & 0x0f) << 4;
|
|
unsigned maxe = 0;
|
|
cpuid (&maxe, &unused, &unused, &unused, 0x80000000);
|
|
if (maxe >= 0x80000004)
|
|
{
|
|
unsigned *model_name = (unsigned *) szBuffer;
|
|
cpuid (&model_name[0], &model_name[1], &model_name[2],
|
|
&model_name[3], 0x80000002);
|
|
cpuid (&model_name[4], &model_name[5], &model_name[6],
|
|
&model_name[7], 0x80000003);
|
|
cpuid (&model_name[8], &model_name[9], &model_name[10],
|
|
&model_name[11], 0x80000004);
|
|
model_name[12] = 0;
|
|
}
|
|
else
|
|
{
|
|
// could implement a lookup table here if someone needs it
|
|
strcpy (szBuffer, "unknown");
|
|
}
|
|
int cache_size = -1,
|
|
tlb_size = -1,
|
|
clflush = 64,
|
|
cache_alignment = 64;
|
|
if (features1 & (1 << 19)) // CLFSH
|
|
clflush = ((extra_info >> 8) & 0xff) << 3;
|
|
if (is_intel && family == 15)
|
|
cache_alignment = clflush * 2;
|
|
if (maxe >= 0x80000005) // L1 Cache and TLB Identifiers
|
|
{
|
|
unsigned data_cache, inst_cache;
|
|
cpuid (&unused, &unused, &data_cache, &inst_cache,
|
|
0x80000005);
|
|
|
|
cache_size = (inst_cache >> 24) + (data_cache >> 24);
|
|
tlb_size = 0;
|
|
}
|
|
if (maxe >= 0x80000006) // L2 Cache and L2 TLB Identifiers
|
|
{
|
|
unsigned tlb, l2;
|
|
cpuid (&unused, &tlb, &l2, &unused, 0x80000006);
|
|
|
|
cache_size = l2 >> 16;
|
|
tlb_size = ((tlb >> 16) & 0xfff) + (tlb & 0xfff);
|
|
}
|
|
bufptr += __small_sprintf (bufptr, "cpu family\t: %d\n"
|
|
"model\t\t: %d\n"
|
|
"model name\t: %s\n"
|
|
"stepping\t: %d\n"
|
|
"cpu MHz\t\t: %d\n",
|
|
family,
|
|
model,
|
|
szBuffer + strspn (szBuffer, " "),
|
|
stepping,
|
|
cpu_mhz);
|
|
if (cache_size >= 0)
|
|
bufptr += __small_sprintf (bufptr, "cache size\t: %d KB\n",
|
|
cache_size);
|
|
|
|
// Recognize multi-core CPUs
|
|
if (is_amd && maxe >= 0x80000008)
|
|
{
|
|
unsigned core_info;
|
|
cpuid (&unused, &unused, &core_info, &unused, 0x80000008);
|
|
|
|
int max_cores = 1 + (core_info & 0xff);
|
|
if (max_cores > 1)
|
|
{
|
|
int shift = (core_info >> 12) & 0x0f;
|
|
if (!shift)
|
|
while ((1 << shift) < max_cores)
|
|
++shift;
|
|
int core_id = apic_id & ((1 << shift) - 1);
|
|
apic_id >>= shift;
|
|
|
|
bufptr += __small_sprintf (bufptr, "physical id\t: %d\n"
|
|
"core id\t\t: %d\n"
|
|
"cpu cores\t: %d\n",
|
|
apic_id, core_id, max_cores);
|
|
}
|
|
}
|
|
// Recognize Intel Hyper-Transport CPUs
|
|
else if (is_intel && (features1 & (1 << 28)) && maxf >= 4)
|
|
{
|
|
/* TODO */
|
|
}
|
|
|
|
bufptr += __small_sprintf (bufptr, "fpu\t\t: %s\n"
|
|
"fpu_exception\t: %s\n"
|
|
"cpuid level\t: %d\n"
|
|
"wp\t\t: yes\n",
|
|
(features1 & (1 << 0)) ? "yes" : "no",
|
|
(features1 & (1 << 0)) ? "yes" : "no",
|
|
maxf);
|
|
print ("flags\t\t:");
|
|
if (features1 & (1 << 0))
|
|
print (" fpu");
|
|
if (features1 & (1 << 1))
|
|
print (" vme");
|
|
if (features1 & (1 << 2))
|
|
print (" de");
|
|
if (features1 & (1 << 3))
|
|
print (" pse");
|
|
if (features1 & (1 << 4))
|
|
print (" tsc");
|
|
if (features1 & (1 << 5))
|
|
print (" msr");
|
|
if (features1 & (1 << 6))
|
|
print (" pae");
|
|
if (features1 & (1 << 7))
|
|
print (" mce");
|
|
if (features1 & (1 << 8))
|
|
print (" cx8");
|
|
if (features1 & (1 << 9))
|
|
print (" apic");
|
|
if (features1 & (1 << 11))
|
|
print (" sep");
|
|
if (features1 & (1 << 12))
|
|
print (" mtrr");
|
|
if (features1 & (1 << 13))
|
|
print (" pge");
|
|
if (features1 & (1 << 14))
|
|
print (" mca");
|
|
if (features1 & (1 << 15))
|
|
print (" cmov");
|
|
if (features1 & (1 << 16))
|
|
print (" pat");
|
|
if (features1 & (1 << 17))
|
|
print (" pse36");
|
|
if (features1 & (1 << 18))
|
|
print (" pn");
|
|
if (features1 & (1 << 19))
|
|
print (" clflush");
|
|
if (is_intel && features1 & (1 << 21))
|
|
print (" dts");
|
|
if (is_intel && features1 & (1 << 22))
|
|
print (" acpi");
|
|
if (features1 & (1 << 23))
|
|
print (" mmx");
|
|
if (features1 & (1 << 24))
|
|
print (" fxsr");
|
|
if (features1 & (1 << 25))
|
|
print (" sse");
|
|
if (features1 & (1 << 26))
|
|
print (" sse2");
|
|
if (is_intel && (features1 & (1 << 27)))
|
|
print (" ss");
|
|
if (features1 & (1 << 28))
|
|
print (" ht");
|
|
if (is_intel)
|
|
{
|
|
if (features1 & (1 << 29))
|
|
print (" tm");
|
|
if (features1 & (1 << 30))
|
|
print (" ia64");
|
|
if (features1 & (1 << 31))
|
|
print (" pbe");
|
|
}
|
|
|
|
if (is_amd && maxe >= 0x80000001)
|
|
{
|
|
unsigned features;
|
|
cpuid (&unused, &unused, &unused, &features, 0x80000001);
|
|
|
|
if (features & (1 << 11))
|
|
print (" syscall");
|
|
if (features & (1 << 19)) // Huh? Not in AMD64 specs.
|
|
print (" mp");
|
|
if (features & (1 << 20))
|
|
print (" nx");
|
|
if (features & (1 << 22))
|
|
print (" mmxext");
|
|
if (features & (1 << 25))
|
|
print (" fxsr_opt");
|
|
if (features & (1 << 27))
|
|
print (" rdtscp");
|
|
if (features & (1 << 29))
|
|
print (" lm");
|
|
if (features & (1 << 30)) // 31th bit is on
|
|
print (" 3dnowext");
|
|
if (features & (1 << 31)) // 32th bit (highest) is on
|
|
print (" 3dnow");
|
|
}
|
|
|
|
if (features2 & (1 << 0))
|
|
print (" pni");
|
|
if (is_intel)
|
|
{
|
|
if (features2 & (1 << 3))
|
|
print (" monitor");
|
|
if (features2 & (1 << 4))
|
|
print (" ds_cpl");
|
|
if (features2 & (1 << 7))
|
|
print (" tm2");
|
|
if (features2 & (1 << 8))
|
|
print (" est");
|
|
if (features2 & (1 << 10))
|
|
print (" cid");
|
|
}
|
|
if (features2 & (1 << 13))
|
|
print (" cx16");
|
|
|
|
if (is_amd && maxe >= 0x80000001)
|
|
{
|
|
unsigned features;
|
|
cpuid (&unused, &unused, &features, &unused, 0x80000001);
|
|
|
|
if (features & (1 << 0))
|
|
print (" lahf_lm");
|
|
if (features & (1 << 1))
|
|
print (" cmp_legacy");
|
|
if (features & (1 << 2))
|
|
print (" svm");
|
|
if (features & (1 << 4))
|
|
print (" cr8_legacy");
|
|
}
|
|
|
|
print ("\n");
|
|
|
|
/* TODO: bogomips */
|
|
|
|
if (tlb_size >= 0)
|
|
bufptr += __small_sprintf (bufptr,
|
|
"TLB size\t: %d 4K pages\n",
|
|
tlb_size);
|
|
bufptr += __small_sprintf (bufptr, "clflush size\t: %d\n"
|
|
"cache_alignment\t: %d\n",
|
|
clflush,
|
|
cache_alignment);
|
|
|
|
if (maxe >= 0x80000008) // Address size
|
|
{
|
|
unsigned addr_size, phys, virt;
|
|
cpuid (&addr_size, &unused, &unused, &unused, 0x80000008);
|
|
|
|
phys = addr_size & 0xff;
|
|
virt = (addr_size >> 8) & 0xff;
|
|
/* Fix an errata on Intel CPUs */
|
|
if (is_intel && family == 15 && model == 3 && stepping == 4)
|
|
phys = 36;
|
|
bufptr += __small_sprintf (bufptr, "address sizes\t: "
|
|
"%u bits physical, "
|
|
"%u bits virtual\n",
|
|
phys, virt);
|
|
}
|
|
|
|
if (maxe >= 0x80000007) // advanced power management
|
|
{
|
|
cpuid (&unused, &unused, &unused, &features2, 0x80000007);
|
|
|
|
print ("power management:");
|
|
if (features2 & (1 << 0))
|
|
print (" ts");
|
|
if (features2 & (1 << 1))
|
|
print (" fid");
|
|
if (features2 & (1 << 2))
|
|
print (" vid");
|
|
if (features2 & (1 << 3))
|
|
print (" ttp");
|
|
if (features2 & (1 << 4))
|
|
print (" tm");
|
|
if (features2 & (1 << 5))
|
|
print (" stc");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bufptr += __small_sprintf (bufptr, "cpu MHz : %d\n"
|
|
"fpu : %s\n",
|
|
cpu_mhz,
|
|
IsProcessorFeaturePresent (PF_FLOATING_POINT_EMULATED) ? "no" : "yes");
|
|
}
|
|
}
|
|
if (dwOldThreadAffinityMask != 0)
|
|
SetThreadAffinityMask (GetCurrentThread (), dwOldThreadAffinityMask);
|
|
|
|
RegCloseKey (hKey);
|
|
bufptr += __small_sprintf (bufptr, "\n");
|
|
}
|
|
|
|
destbuf = (char *) crealloc_abort (destbuf, bufptr - buf);
|
|
memcpy (destbuf, buf, bufptr - buf);
|
|
return bufptr - buf;
|
|
}
|
|
|
|
#undef read_value
|
|
|
|
static _off64_t
|
|
format_proc_partitions (void *, char *&destbuf)
|
|
{
|
|
char devname[NAME_MAX + 1];
|
|
OBJECT_ATTRIBUTES attr;
|
|
HANDLE dirhdl, devhdl;
|
|
IO_STATUS_BLOCK io;
|
|
NTSTATUS status;
|
|
tmp_pathbuf tp;
|
|
|
|
char *buf = tp.c_get ();
|
|
char *bufptr = buf;
|
|
|
|
/* Open \Device object directory. */
|
|
wchar_t wpath[MAX_PATH] = L"\\Device";
|
|
UNICODE_STRING upath = {14, 16, wpath};
|
|
InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, NULL, NULL);
|
|
status = NtOpenDirectoryObject (&dirhdl, DIRECTORY_QUERY, &attr);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
debug_printf ("NtOpenDirectoryObject %x", status);
|
|
return 0;
|
|
}
|
|
|
|
print ("major minor #blocks name\n\n");
|
|
/* Traverse \Device directory ... */
|
|
PDIRECTORY_BASIC_INFORMATION dbi = (PDIRECTORY_BASIC_INFORMATION)
|
|
alloca (640);
|
|
BOOLEAN restart = TRUE;
|
|
ULONG context = 0;
|
|
while (NT_SUCCESS (NtQueryDirectoryObject (dirhdl, dbi, 640, TRUE, restart,
|
|
&context, NULL)))
|
|
{
|
|
restart = FALSE;
|
|
sys_wcstombs (devname, NAME_MAX + 1, dbi->ObjectName.Buffer,
|
|
dbi->ObjectName.Length / 2);
|
|
/* ... and check for a "Harddisk[0-9]*" entry. */
|
|
if (!strncasematch (devname, "Harddisk", 8)
|
|
|| dbi->ObjectName.Length < 18
|
|
|| !isdigit (devname[8]))
|
|
continue;
|
|
/* Construct path name for partition 0, which is the whole disk,
|
|
and try to open. */
|
|
wcscpy (wpath, dbi->ObjectName.Buffer);
|
|
wcscpy (wpath + dbi->ObjectName.Length / 2, L"\\Partition0");
|
|
upath.Length = 22 + dbi->ObjectName.Length;
|
|
upath.MaximumLength = upath.Length + 2;
|
|
InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE,
|
|
dirhdl, NULL);
|
|
status = NtOpenFile (&devhdl, READ_CONTROL | FILE_READ_DATA, &attr, &io,
|
|
FILE_SHARE_VALID_FLAGS, 0);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
/* Retry with READ_CONTROL only for non-privileged users. This
|
|
at least prints the Partition0 info, but it doesn't allow access
|
|
to the drive's layout information. It beats me, though, why
|
|
a non-privileged user shouldn't get read access to the drive
|
|
layout information. */
|
|
status = NtOpenFile (&devhdl, READ_CONTROL, &attr, &io,
|
|
FILE_SHARE_VALID_FLAGS, 0);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
debug_printf ("NtOpenFile(%s) %x", devname, status);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* Use a buffer since some ioctl buffers aren't fixed size. */
|
|
char buf[256];
|
|
PARTITION_INFORMATION *pi = NULL;
|
|
PARTITION_INFORMATION_EX *pix = NULL;
|
|
DISK_GEOMETRY *dg = NULL;
|
|
DWORD bytes;
|
|
unsigned long drive_number = strtoul (devname + 8, NULL, 10);
|
|
unsigned long long size;
|
|
|
|
if (wincap.has_disk_ex_ioctls ()
|
|
&& DeviceIoControl (devhdl, IOCTL_DISK_GET_PARTITION_INFO_EX,
|
|
NULL, 0, buf, 256, &bytes, NULL))
|
|
{
|
|
pix = (PARTITION_INFORMATION_EX *) buf;
|
|
size = pix->PartitionLength.QuadPart;
|
|
}
|
|
else if (DeviceIoControl (devhdl, IOCTL_DISK_GET_PARTITION_INFO,
|
|
NULL, 0, buf, 256, &bytes, NULL))
|
|
{
|
|
pi = (PARTITION_INFORMATION *) buf;
|
|
size = pi->PartitionLength.QuadPart;
|
|
}
|
|
else if (DeviceIoControl (devhdl, IOCTL_DISK_GET_DRIVE_GEOMETRY,
|
|
NULL, 0, buf, 256, &bytes, NULL))
|
|
{
|
|
dg = (DISK_GEOMETRY *) buf;
|
|
size = (unsigned long long) dg->Cylinders.QuadPart
|
|
* dg->TracksPerCylinder
|
|
* dg->SectorsPerTrack
|
|
* dg->BytesPerSector;
|
|
}
|
|
else
|
|
size = 0;
|
|
if (!pi && !pix && !dg)
|
|
debug_printf ("DeviceIoControl %E");
|
|
else
|
|
{
|
|
device dev;
|
|
dev.parsedisk (drive_number, 0);
|
|
bufptr += __small_sprintf (bufptr, "%5d %5d %9U %s\n",
|
|
dev.major, dev.minor,
|
|
size >> 10, dev.name + 5);
|
|
}
|
|
size_t buf_size = 8192;
|
|
while (true)
|
|
{
|
|
char buf[buf_size];
|
|
if (DeviceIoControl (devhdl, IOCTL_DISK_GET_DRIVE_LAYOUT,
|
|
NULL, 0, (DRIVE_LAYOUT_INFORMATION *) buf,
|
|
buf_size, &bytes, NULL))
|
|
/* fall through */;
|
|
else if (GetLastError () == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
buf_size *= 2;
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
debug_printf ("DeviceIoControl %E");
|
|
break;
|
|
}
|
|
DRIVE_LAYOUT_INFORMATION *dli = (DRIVE_LAYOUT_INFORMATION *) buf;
|
|
for (unsigned part = 0; part < dli->PartitionCount; part++)
|
|
{
|
|
if (!dli->PartitionEntry[part].PartitionLength.QuadPart
|
|
|| !dli->PartitionEntry[part].RecognizedPartition)
|
|
continue;
|
|
device dev;
|
|
dev.parsedisk (drive_number,
|
|
dli->PartitionEntry[part].PartitionNumber);
|
|
size = dli->PartitionEntry[part].PartitionLength.QuadPart >> 10;
|
|
bufptr += __small_sprintf (bufptr, "%5d %5d %9U %s\n",
|
|
dev.major, dev.minor,
|
|
size, dev.name + 5);
|
|
}
|
|
break;
|
|
}
|
|
NtClose (devhdl);
|
|
}
|
|
NtClose (dirhdl);
|
|
|
|
destbuf = (char *) crealloc_abort (destbuf, bufptr - buf);
|
|
memcpy (destbuf, buf, bufptr - buf);
|
|
return bufptr - buf;
|
|
}
|
|
|
|
static _off64_t
|
|
format_proc_self (void *, char *&destbuf)
|
|
{
|
|
destbuf = (char *) crealloc_abort (destbuf, 16);
|
|
return __small_sprintf (destbuf, "%d", getpid ());
|
|
}
|
|
|
|
static _off64_t
|
|
format_proc_mounts (void *, char *&destbuf)
|
|
{
|
|
destbuf = (char *) crealloc_abort (destbuf, sizeof ("self/mounts"));
|
|
return __small_sprintf (destbuf, "self/mounts");
|
|
}
|
|
|
|
#undef print
|