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
|
/*
* Copyright (c) 2017 Richard Braun.
*
* 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 to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdbool.h>
#include <stdio.h>
#include <lib/macros.h>
#include <lib/shell.h>
#include "cpu.h"
#include "i8254.h"
#include "i8259.h"
#include "mem.h"
#include "panic.h"
#include "sw.h"
#include "thread.h"
#include "timer.h"
#include "uart.h"
/*
* XXX The Clang compiler apparently doesn't like the lack of prototype for
* the main function in free standing mode.
*/
void main(void);
/*
* This function is the main entry point for C code. It's called from
* assembly code in the boot module, very soon after control is passed
* to the kernel.
*/
void
main(void)
{
thread_bootstrap();
cpu_setup();
i8259_setup();
i8254_setup();
uart_setup();
mem_setup();
thread_setup();
timer_setup();
shell_setup();
sw_setup();
printf("X1 " QUOTE(VERSION) "\n\n");
thread_enable_scheduler();
/* Never reached */
}
|
