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
|
/*
* Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/reboot.h>
#include <sys/syslog.h>
#include <sys/sched.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/exec.h>
#include <sys/driver.h>
#include <sys/panic.h>
#include <dev/cons/cons.h>
#include <dev/acpi/acpi.h>
#include <machine/cpu.h>
#include <vm/vm.h>
#include <string.h>
static struct proc proc0;
static void
start_init(void)
{
struct proc *td = this_td();
struct execve_args execve_args;
char *argv[] = { "/usr/sbin/init", NULL };
char *envp[] = { NULL };
execve_args.pathname = argv[0];
execve_args.argv = argv;
execve_args.envp = envp;
if (execve(td, &execve_args) != 0)
panic("Failed to load init\n");
}
int
main(void)
{
/* Setup serial driver */
serial_init();
/* Startup the console */
cons_init();
kprintf("Starting Hyra/%s v%s: %s\n", HYRA_ARCH, HYRA_VERSION,
HYRA_BUILDDATE);
/* Init the virtual memory subsystem */
vm_init();
/* Start the ACPI subsystem */
acpi_init();
/* Startup the BSP */
cpu_startup(&g_bsp_ci);
/* Init the virtual file system */
vfs_init();
DRIVERS_INIT();
/* Start scheduler and bootstrap APs */
sched_init();
mp_bootstrap_aps(&g_bsp_ci);
/* Startup init */
memset(&proc0, 0, sizeof(proc0.tf));
fork1(&proc0, 0, start_init, NULL);
sched_enter();
__builtin_unreachable();
}
|