Archipelago » qemu

/*

 * QEMU low level functions

 * Copyright (c) 2003 Fabrice Bellard

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

            free_space = (int64_t)stfs.f_bavail * stfs.f_bsize;

            if ((ram_size + 8192 * 1024) >= free_space) {

                ram_mb = (ram_size / (1024 * 1024));

                        "You do not have enough space in '%s' for the %d MB of QEMU virtual RAM.\n",

                        tmpdir, ram_mb);

                if (strcmp(tmpdir, "/dev/shm") == 0) {

                            "mount -t tmpfs -o size=%dm none /dev/shm\n",

                            ram_mb + 16);

                } else {

                            "Use the '-m' option of QEMU to diminish the amount of virtual RAM or use the\n"

                            "QEMU_TMPDIR environment variable to set another directory where the QEMU\n"

                            "temporary RAM file will be opened.\n");

                exit(1);

            }

        }

                 tmpdir);

        phys_ram_fd = mkstemp(phys_ram_file);

        if (phys_ram_fd < 0) {

                    "warning: could not create temporary file in '%s'.\n"

                    "Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n"

                    "Using '/tmp' as fallback.\n",

                    tmpdir);

                     "/tmp");

            phys_ram_fd = mkstemp(phys_ram_file);

            if (phys_ram_fd < 0) {

                        phys_ram_file);

                exit(1);

            }

    }

    size = (size + 4095) & ~4095;

    ftruncate(phys_ram_fd, phys_ram_size + size);

               phys_ram_fd, phys_ram_size);

    if (ptr == MAP_FAILED) {

        fprintf(stderr, "Could not map physical memory\n");

    BOOL ret;

    /* Open for writing with no sharing. */

		      OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

    if (file == INVALID_HANDLE_VALUE)

    /* Write PID to file. */

    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());

		      &overlap, NULL);

    if (ret == 0)

      return -1;