1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/* Init that only bootstraps the hurd and runs sh.
Copyright (C) 1993, 1994 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 and Roland McGrath. */
#include <hurd.h>
#include <hurd/fs.h>
#include <hurd/fsys.h>
#include <device/device.h>
#include <stdio.h>
#include <assert.h>
#include "startup_reply.h"
mach_port_t startup;
int
main (int argc, char **argv)
{
int err;
mach_port_t bootport;
int i;
mach_port_t ports[INIT_PORT_MAX];
/* Fetch a port to the bootstrap filesystem, the host priv and
master device ports, and the console */
if (task_get_bootstrap_port (mach_task_self (), &bootport)
|| fsys_getpriv (bootport, &host_priv, &device_master)
|| device_open (device_master, D_WRITE, "console", &consdev))
crash_mach ();
stdin = mach_open_devstream (consdev, "w+");
if (stdin == NULL)
crash_mach ();
stdout = stderr = stdin;
setbuf (stdout, NULL);
/* At this point we can use assert to check for errors. */
err = mach_port_allocate (mach_task_self (),
MACH_PORT_RIGHT_RECEIVE, &startup);
assert (!err);
/* Set up the set of ports we will pass to the programs we exec. */
for (i = 0; i < INIT_PORT_MAX; i++)
switch (i)
{
case INIT_PORT_CRDIR:
ports[i] = getcrdir ();
break;
case INIT_PORT_CWDIR:
ports[i] = getcwdir ();
break;
case INIT_PORT_BOOTSTRAP:
ports[i] = startup;
break;
default:
ports[i] = MACH_PORT_NULL;
break;
}
run (_HURD_PROC, ports);
run (_HURD_AUTH, ports);
/* Wait for messages. When both auth and proc have started, we
run launch_system which does the rest of the boot. */
while (1)
{
err = mach_msg_server (request_server, 0, startup);
assert (!err);
}
}
error_t
launch_system (void)
{
mach_port_t old;
/* Reply to the proc and auth servers. */
startup_procinit_reply (procreply, procreplytype, 0, authserver, host_priv,
device_master);
startup_authinit_reply (authreply, authreplytype, 0, authserver_proc);
/* Give the library our auth and proc server ports. */
_hurd_port_init (&_hurd_ports[INIT_PORT_AUTH], authserver);
_hurd_port_init (&_hurd_ports[INIT_PORT_PROC], procserver);
/* Tell the proc server our msgport and where our args and
environment are. */
proc_setmsgport (procserver, startup, &old);
if (old)
mach_port_deallocate (mach_task_self (), old);
proc_setprocargs (procserver, (int) global_argv, (int) environ);
/* Give the bootstrap FS its proc and auth ports. */
{
fsys_t fsys;
if (errno = file_getcontrol (getcrdir (), &fsys))
perror ("file_getcontrol (root)");
else
{
if (errno = fsys_init (fsys, bootfs_proc, authserver))
perror ("fsys_init");
mach_port_deallocate (mach_task_self (), fsys);
}
}
printf ("Init has completed.\n");
}
error_t
S_startup_procinit (startup_t server,
mach_port_t reply,
mach_msg_type_name_t reply_porttype,
process_t proc, process_t fs_proc, process_t auth_proc,
auth_t *auth,
mach_port_t *priv, mach_port_t *dev)
{
if (procserver)
/* Only one proc server. */
return EPERM;
procserver = proc;
bootfs_proc = fs_proc;
authserver_proc = auth_proc;
procreply = reply;
procreplytype = reply_porttype;
/* Save the reply port until we get startup_authinit. */
if (authserver)
launch_system ();
return MIG_NO_REPLY;
}
/* Called by the auth server when it starts up. */
error_t
S_startup_authinit (startup_t server,
mach_port_t reply,
mach_msg_type_name_t reply_porttype,
mach_port_t auth)
{
if (authserver)
/* Only one auth server. */
return EPERM;
authserver = auth;
/* Save the reply port until we get startup_procinit. */
authreply = reply;
authreplytype = reply_porttype;
if (procserver)
launch_system ();
return MIG_NO_REPLY;
}
|
