Subversion Repositories HelenOS

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4651 pillai 1
/*
2
 * Copyright (c) 2007 Michal Kebrt
3
 * Copyright (c) 2009 Vineeth Pillai
4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 *
10
 * - Redistributions of source code must retain the above copyright
11
 *   notice, this list of conditions and the following disclaimer.
12
 * - Redistributions in binary form must reproduce the above copyright
13
 *   notice, this list of conditions and the following disclaimer in the
14
 *   documentation and/or other materials provided with the distribution.
15
 * - The name of the author may not be used to endorse or promote products
16
 *   derived from this software without specific prior written permission.
17
 *
18
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
 */
29
 
30
/** @addtogroup arm32
31
 * @{
32
 */
33
/** @file
34
 *  @brief Declarations of machine specific functions.
35
 *
36
 *  These functions enable to differentiate more kinds of ARM emulators
37
 *  or CPUs. It's the same concept as "arch" functions on the architecture
38
 *  level.
39
 */
40
 
41
#ifndef KERN_arm32_MACHINE_FUNC_H_
42
#define KERN_arm32_MACHINE_FUNC_H_
43
 
44
#include <console/console.h>
45
#include <arch/types.h>
46
#include <arch/exception.h>
47
 
48
#define MACHINE_GENFUNC machine_genfunc
49
 
50
struct arm_machine_ops {
51
    void        (*machine_grab_console)(void);
52
    void        (*machine_release_console)(void);
53
    void        (*machine_init)(void);
54
    void        (*machine_timer_irq_start)(void);
55
    void        (*machine_cpu_halt)(void);
56
    uintptr_t   (*machine_get_memory_size)(void);
57
    void        (*machine_fb_init)(void);
58
    void        (*machine_irq_exception)(int, istate_t*);
59
    uintptr_t   (*machine_get_fb_address)(void);
60
    void        (*machine_frame_init)(void);
61
    void        (*machine_output_init)(void);
62
    void        (*machine_input_init)(void);
63
};
64
 
65
extern struct arm_machine_ops machine_ops;
66
 
67
 
68
/** Acquire console back for kernel. */
69
extern void machine_grab_console(void);
70
 
71
/** Return console to userspace. */
72
extern void machine_release_console(void);
73
 
74
 
75
/** Maps HW devices to the kernel address space using #hw_map. */
76
extern void machine_init(void);
77
 
78
 
79
/** Starts timer. */
80
extern void machine_timer_irq_start(void);
81
 
82
 
83
/** Halts CPU. */
84
extern void machine_cpu_halt(void);
85
 
86
 
87
/** Returns size of available memory.
88
 *
89
 *  @return Size of available memory.
90
 */
91
extern uintptr_t machine_get_memory_size(void);
92
 
93
/** Initializes the Frame Buffer
94
 *
95
 */
96
extern void machine_fb_init(void);
97
 
98
 
99
/** Interrupt exception handler.
100
 *
101
 * @param exc_no Interrupt exception number.
102
 * @param istate Saved processor state.
103
 */
104
extern void machine_irq_exception(int exc_no, istate_t *istate);
105
 
106
 
107
/** Returns address of framebuffer device.
108
 *
109
 *  @return Address of framebuffer device.
110
 */
111
extern uintptr_t machine_get_fb_address(void);
112
 
113
/*
114
 * Machine specific frame initialization
115
 */
116
extern void machine_frame_init(void);
117
 
118
/*
119
 * configure the serial line output device.
120
 */
121
extern void machine_output_init(void);
122
 
123
/*
124
 * configure the serial line input device.
125
 */
126
extern void machine_input_init(void);
127
 
128
extern void machine_genfunc(void);
129
#endif
130
 
131
/** @}
132
 */