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| -rw-r--r-- | libdiskfs/boot-parse.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/libdiskfs/boot-parse.c b/libdiskfs/boot-parse.c deleted file mode 100644 index cb4ffca2..00000000 --- a/libdiskfs/boot-parse.c +++ /dev/null @@ -1,193 +0,0 @@ -/* - Copyright (C) 1993, 1994, 1995 Free Software Foundation - -This file is part of the GNU Hurd. - -The GNU Hurd is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -The GNU Hurd is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with the GNU Hurd; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* Written by Michael I. Bushnell. */ - -#include "priv.h" -#include <stdio.h> -#include <device/device.h> -#include <string.h> -#include <sys/reboot.h> -#include <mach/mig_support.h> - -int diskfs_bootflags; -char *diskfs_bootflagarg; -task_t diskfs_execserver_task; - -/* Call this if the bootstrap port is null and you want to support - being a bootstrap filesystem. ARGC and ARGV should be as passed - to main. If the arguments are not in the proper format, an - error message will be printed on stderr and exit called. Otherwise, - diskfs_priv_host, diskfs_master_device, and diskfs_bootflags will be - set and the Mach kernel name of the bootstrap device will be - returned. */ -char * -diskfs_parse_bootargs (int argc, char **argv) -{ - char *devname; - device_t con; - mach_port_t bootstrap; - - task_get_bootstrap_port (mach_task_self (), &bootstrap); - if (bootstrap != MACH_PORT_NULL) - { - /* We were started not by the kernel, but by the CMU default_pager. - It passes us args: -<flags> root_name server_dir_name. We ignore - the last one. An RPC on our bootstrap port fetches the privileged - ports. */ - - struct - { - mach_msg_header_t Head; - mach_msg_type_t priv_hostType; - mach_port_t priv_host; - mach_msg_type_t priv_deviceType; - mach_port_t priv_device; - } msg; - mach_msg_return_t msg_result; - - static const mach_msg_type_t portCheck = { - /* msgt_name = */ MACH_MSG_TYPE_MOVE_SEND, - /* msgt_size = */ 32, - /* msgt_number = */ 1, - /* msgt_inline = */ TRUE, - /* msgt_longform = */ FALSE, - /* msgt_deallocate = */ FALSE, - /* msgt_unused = */ 0 - }; - - msg.Head.msgh_bits = - MACH_MSGH_BITS (MACH_MSG_TYPE_MOVE_SEND, MACH_MSG_TYPE_MAKE_SEND_ONCE); - /* msgh_size passed as argument */ - msg.Head.msgh_remote_port = bootstrap; - msg.Head.msgh_local_port = mig_get_reply_port (); - msg.Head.msgh_seqno = 0; - msg.Head.msgh_id = 999999; - - msg_result = mach_msg (&msg.Head, MACH_SEND_MSG|MACH_RCV_MSG, - sizeof msg.Head, sizeof msg, - msg.Head.msgh_local_port, - MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL); - if (msg_result != MACH_MSG_SUCCESS) - { - if ((msg_result == MACH_SEND_INVALID_REPLY) || - (msg_result == MACH_SEND_INVALID_MEMORY) || - (msg_result == MACH_SEND_INVALID_RIGHT) || - (msg_result == MACH_SEND_INVALID_TYPE) || - (msg_result == MACH_SEND_MSG_TOO_SMALL) || - (msg_result == MACH_RCV_INVALID_NAME)) - mig_dealloc_reply_port (msg.Head.msgh_local_port); - else - mig_put_reply_port (msg.Head.msgh_local_port); - assert_perror (msg_result); - } - mig_put_reply_port (msg.Head.msgh_local_port); - - assert (msg.Head.msgh_id == 999999 + 100); - assert (msg.Head.msgh_size == sizeof msg); - assert (msg.Head.msgh_bits & MACH_MSGH_BITS_COMPLEX); - assert (*(int *) &msg.priv_hostType == *(int *) &portCheck); - assert (*(int *) &msg.priv_deviceType == *(int *) &portCheck); - diskfs_host_priv = msg.priv_host; - diskfs_master_device = msg.priv_device; - - /* bootstrap_privileged_ports (bootstrap, - &diskfs_host_priv, - &diskfs_master_device); */ - - /* Clear our bootstrap port, to appear as if run by the kernel. */ - task_set_bootstrap_port (mach_task_self (), MACH_PORT_NULL); - - devname = argv[2]; - } - else - { - /* The arguments, as passed by the kernel, are as follows: - -<flags> hostport deviceport rootname */ - - if (argc != 6 || argv[1][0] != '-') - { - fprintf (stderr, "\ -Usage: %s: -[qsdnx] hostport deviceport exectaskport rootname\n", - program_invocation_name); - exit (1); - } - diskfs_host_priv = atoi (argv[2]); - diskfs_master_device = atoi (argv[3]); - diskfs_execserver_task = atoi (argv[4]); - devname = argv[5]; - } - - (void) device_open (diskfs_master_device, D_READ|D_WRITE, "console", &con); - stderr = stdout = mach_open_devstream (con, "w"); - setlinebuf (stdout); - stdin = mach_open_devstream (con, "r"); - - /* For now... */ - /* readonly = 1; */ - - /* The possible flags are - q -- RB_ASKNAME - s -- RB_SINGLE - d -- RB_KDB - n -- RB_INITNAME */ - /* q tells us to ask about what device to use, n - about what to run as init. */ - - diskfs_bootflags = 0; - if (index (argv[1], 'q')) - diskfs_bootflags |= RB_ASKNAME; - if (index (argv[1], 's')) - diskfs_bootflags |= RB_SINGLE; - if (index (argv[1], 'd')) - diskfs_bootflags |= RB_KDB; - if (index (argv[1], 'n')) - diskfs_bootflags |= RB_INITNAME; - - if (diskfs_bootflags & RB_ASKNAME) - { - char *line = NULL; - size_t linesz = 0; - ssize_t len; - printf ("Bootstrap filesystem device name [%s]: ", devname); - switch (len = getline (&line, &linesz, stdin)) - { - case -1: - perror ("getline"); - printf ("Using default of `%s'.\n", devname); - case 0: /* Hmm. */ - case 1: /* Empty line, just a newline. */ - /* Use default. */ - free (line); - break; - default: - line[len - 1] = '\0'; /* Remove the newline. */ - devname = line; - break; - } - } - - printf ("\nInitial bootstrap: %s", argv[0]); - fflush (stdout); - - diskfs_bootflagarg = argv[1]; - - return devname; -} - |