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1 | /* |
1 | /* |
2 | * Copyright (c) 2007 Michal Kebrt |
2 | * Copyright (c) 2007 Michal Kebrt |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup arm32 |
29 | /** @addtogroup arm32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | * @brief Declarations of machine specific functions. |
33 | * @brief Declarations of machine specific functions. |
34 | * |
34 | * |
35 | * These functions enable to differentiate more kinds of ARM emulators |
35 | * These functions enable to differentiate more kinds of ARM emulators |
36 | * or CPUs. It's the same concept as "arch" functions on the architecture |
36 | * or CPUs. It's the same concept as "arch" functions on the architecture |
37 | * level. |
37 | * level. |
38 | */ |
38 | */ |
39 | 39 | ||
40 | #ifndef KERN_arm32_MACHINE_H_ |
40 | #ifndef KERN_arm32_MACHINE_H_ |
41 | #define KERN_arm32_MACHINE_H_ |
41 | #define KERN_arm32_MACHINE_H_ |
42 | 42 | ||
43 | #include <console/console.h> |
43 | #include <console/console.h> |
44 | #include <arch/types.h> |
44 | #include <arch/types.h> |
45 | #include <arch/exception.h> |
45 | #include <arch/exception.h> |
46 | #include <arch/drivers/gxemul.h> |
46 | #include <arch/drivers/gxemul.h> |
47 | 47 | ||
48 | 48 | ||
49 | /** Initializes console. |
49 | /** Initializes console. |
50 | * |
50 | * |
51 | * @param devno Console device number. |
51 | * @param devno Console device number. |
52 | */ |
52 | */ |
53 | extern void machine_console_init(devno_t devno); |
53 | extern void machine_console_init(devno_t devno); |
54 | 54 | ||
55 | 55 | ||
56 | /** Acquire console back for kernel. */ |
56 | /** Acquire console back for kernel. */ |
57 | extern void machine_grab_console(void); |
57 | extern void machine_grab_console(void); |
58 | 58 | ||
59 | 59 | ||
60 | /** Return console to userspace. */ |
60 | /** Return console to userspace. */ |
61 | extern void machine_release_console(void); |
61 | extern void machine_release_console(void); |
62 | 62 | ||
63 | 63 | ||
64 | /** Maps HW devices to the kernel address space using #hw_map. */ |
64 | /** Maps HW devices to the kernel address space using #hw_map. */ |
65 | extern void machine_hw_map_init(void); |
65 | extern void machine_hw_map_init(void); |
66 | 66 | ||
67 | 67 | ||
68 | /** Starts timer. */ |
68 | /** Starts timer. */ |
69 | extern void machine_timer_irq_start(void); |
69 | extern void machine_timer_irq_start(void); |
70 | 70 | ||
71 | 71 | ||
72 | /** Halts CPU. */ |
72 | /** Halts CPU. */ |
73 | extern void machine_cpu_halt(void); |
73 | extern void machine_cpu_halt(void); |
74 | 74 | ||
75 | 75 | ||
76 | /** Returns size of available memory. |
76 | /** Returns size of available memory. |
77 | * |
77 | * |
78 | * @return Size of available memory. |
78 | * @return Size of available memory. |
79 | */ |
79 | */ |
80 | extern size_t machine_get_memory_size(void); |
80 | extern size_t machine_get_memory_size(void); |
81 | 81 | ||
82 | 82 | ||
83 | /** Prints a character. |
83 | /** Prints a character. |
84 | * |
84 | * |
85 | * @param ch Character to be printed. |
85 | * @param ch Character to be printed. |
86 | */ |
86 | */ |
87 | extern void machine_debug_putc(char ch); |
87 | extern void machine_debug_putc(char ch); |
88 | 88 | ||
89 | 89 | ||
90 | /** Interrupt exception handler. |
90 | /** Interrupt exception handler. |
91 | * |
91 | * |
92 | * @param exc_no Interrupt exception number. |
92 | * @param exc_no Interrupt exception number. |
93 | * @param istate Saved processor state. |
93 | * @param istate Saved processor state. |
94 | */ |
94 | */ |
95 | extern void machine_irq_exception(int exc_no, istate_t *istate); |
95 | extern void machine_irq_exception(int exc_no, istate_t *istate); |
96 | 96 | ||
97 | 97 | ||
98 | /** Returns address of framebuffer device. |
98 | /** Returns address of framebuffer device. |
99 | * |
99 | * |
100 | * @return Address of framebuffer device. |
100 | * @return Address of framebuffer device. |
101 | */ |
101 | */ |
102 | extern uintptr_t machine_get_fb_address(void); |
102 | extern uintptr_t machine_get_fb_address(void); |
103 | 103 | ||
104 | 104 | ||
105 | #ifdef MACHINE_GXEMUL_TESTARM |
105 | #ifdef MACHINE_GXEMUL_TESTARM |
106 | #define machine_console_init(devno) gxemul_console_init(devno) |
106 | #define machine_console_init(devno) gxemul_console_init(devno) |
107 | #define machine_grab_console gxemul_grab_console |
107 | #define machine_grab_console gxemul_grab_console |
108 | #define machine_release_console gxemul_release_console |
108 | #define machine_release_console gxemul_release_console |
109 | #define machine_hw_map_init gxemul_hw_map_init |
109 | #define machine_hw_map_init gxemul_hw_map_init |
110 | #define machine_timer_irq_start gxemul_timer_irq_start |
110 | #define machine_timer_irq_start gxemul_timer_irq_start |
111 | #define machine_cpu_halt gxemul_cpu_halt |
111 | #define machine_cpu_halt gxemul_cpu_halt |
112 | #define machine_get_memory_size gxemul_get_memory_size |
112 | #define machine_get_memory_size gxemul_get_memory_size |
113 | #define machine_debug_putc(ch) gxemul_debug_putc(ch) |
113 | #define machine_debug_putc(ch) gxemul_debug_putc(ch) |
114 | #define machine_irq_exception(exc_no, istate) \ |
114 | #define machine_irq_exception(exc_no, istate) \ |
115 | gxemul_irq_exception(exc_no, istate) |
115 | gxemul_irq_exception(exc_no, istate) |
116 | #define machine_get_fb_address gxemul_get_fb_address |
116 | #define machine_get_fb_address gxemul_get_fb_address |
117 | #endif |
117 | #endif |
118 | 118 | ||
119 | #endif |
119 | #endif |
120 | 120 | ||
121 | /** @} |
121 | /** @} |
122 | */ |
122 | */ |
123 | 123 |