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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 | #ifdef MACHINE_GXEMUL_TESTARM |
46 | #ifdef MACHINE_GXEMUL_TESTARM |
47 | #include <arch/drivers/gxemul.h> |
47 | #include <arch/drivers/gxemul.h> |
48 | #endif |
48 | #endif |
49 | #ifdef MACHINE_QEMU_ICP |
49 | #ifdef MACHINE_QEMU_ICP |
50 | #include <arch/drivers/qemu.h> |
50 | #include <arch/drivers/qemu.h> |
51 | #endif |
51 | #endif |
52 | 52 | ||
53 | 53 | ||
54 | /** Initializes console. |
54 | /** Initializes console. |
55 | * |
55 | * |
56 | * @param devno Console device number. |
56 | * @param devno Console device number. |
57 | */ |
57 | */ |
58 | extern void machine_console_init(devno_t devno); |
58 | extern void machine_console_init(devno_t devno); |
59 | 59 | ||
60 | 60 | ||
61 | /** Acquire console back for kernel. */ |
61 | /** Acquire console back for kernel. */ |
62 | extern void machine_grab_console(void); |
62 | extern void machine_grab_console(void); |
63 | 63 | ||
64 | 64 | ||
65 | /** Return console to userspace. */ |
65 | /** Return console to userspace. */ |
66 | extern void machine_release_console(void); |
66 | extern void machine_release_console(void); |
67 | 67 | ||
68 | 68 | ||
69 | /** Maps HW devices to the kernel address space using #hw_map. */ |
69 | /** Maps HW devices to the kernel address space using #hw_map. */ |
70 | extern void machine_hw_map_init(void); |
70 | extern void machine_hw_map_init(void); |
71 | 71 | ||
72 | 72 | ||
73 | /** Starts timer. */ |
73 | /** Starts timer. */ |
74 | extern void machine_timer_irq_start(void); |
74 | extern void machine_timer_irq_start(void); |
75 | 75 | ||
76 | 76 | ||
77 | /** Halts CPU. */ |
77 | /** Halts CPU. */ |
78 | extern void machine_cpu_halt(void); |
78 | extern void machine_cpu_halt(void); |
79 | 79 | ||
80 | 80 | ||
81 | /** Returns size of available memory. |
81 | /** Returns size of available memory. |
82 | * |
82 | * |
83 | * @return Size of available memory. |
83 | * @return Size of available memory. |
84 | */ |
84 | */ |
85 | extern size_t machine_get_memory_size(void); |
85 | extern size_t machine_get_memory_size(void); |
86 | 86 | ||
87 | 87 | ||
88 | /** Prints a character. |
88 | /** Prints a character. |
89 | * |
89 | * |
90 | * @param ch Character to be printed. |
90 | * @param ch Character to be printed. |
91 | */ |
91 | */ |
92 | extern void machine_debug_putc(char ch); |
92 | extern void machine_debug_putc(char ch); |
93 | 93 | ||
94 | /** Initializes the Frame Buffer |
94 | /** Initializes the Frame Buffer |
95 | * |
95 | * |
96 | */ |
96 | */ |
97 | extern void machine_fb_init(void); |
97 | extern void machine_fb_init(void); |
98 | 98 | ||
99 | 99 | ||
100 | /** Interrupt exception handler. |
100 | /** Interrupt exception handler. |
101 | * |
101 | * |
102 | * @param exc_no Interrupt exception number. |
102 | * @param exc_no Interrupt exception number. |
103 | * @param istate Saved processor state. |
103 | * @param istate Saved processor state. |
104 | */ |
104 | */ |
105 | extern void machine_irq_exception(int exc_no, istate_t *istate); |
105 | extern void machine_irq_exception(int exc_no, istate_t *istate); |
106 | 106 | ||
107 | 107 | ||
108 | /** Returns address of framebuffer device. |
108 | /** Returns address of framebuffer device. |
109 | * |
109 | * |
110 | * @return Address of framebuffer device. |
110 | * @return Address of framebuffer device. |
111 | */ |
111 | */ |
112 | extern uintptr_t machine_get_fb_address(void); |
112 | extern uintptr_t machine_get_fb_address(void); |
113 | 113 | ||
- | 114 | /* |
|
- | 115 | * Machine specific frame initialization |
|
- | 116 | */ |
|
- | 117 | extern void machine_frame_init(void); |
|
114 | 118 | ||
115 | #ifdef MACHINE_GXEMUL_TESTARM |
119 | #ifdef MACHINE_GXEMUL_TESTARM |
116 | #define machine_console_init(devno) gxemul_console_init(devno) |
120 | #define machine_console_init(devno) gxemul_console_init(devno) |
117 | #define machine_grab_console gxemul_grab_console |
121 | #define machine_grab_console gxemul_grab_console |
118 | #define machine_release_console gxemul_release_console |
122 | #define machine_release_console gxemul_release_console |
119 | #define machine_hw_map_init gxemul_hw_map_init |
123 | #define machine_hw_map_init gxemul_hw_map_init |
120 | #define machine_timer_irq_start gxemul_timer_irq_start |
124 | #define machine_timer_irq_start gxemul_timer_irq_start |
121 | #define machine_cpu_halt gxemul_cpu_halt |
125 | #define machine_cpu_halt gxemul_cpu_halt |
122 | #define machine_get_memory_size gxemul_get_memory_size |
126 | #define machine_get_memory_size gxemul_get_memory_size |
123 | #define machine_debug_putc(ch) gxemul_debug_putc(ch) |
127 | #define machine_debug_putc(ch) gxemul_debug_putc(ch) |
124 | #define machine_irq_exception(exc_no, istate) \ |
128 | #define machine_irq_exception(exc_no, istate) \ |
125 | gxemul_irq_exception(exc_no, istate) |
129 | gxemul_irq_exception(exc_no, istate) |
126 | #define machine_get_fb_address gxemul_get_fb_address |
130 | #define machine_get_fb_address gxemul_get_fb_address |
127 | #define machine_fb_init gxemul_fb_init |
131 | #define machine_fb_init gxemul_fb_init |
- | 132 | #define machine_frame_init gxemul_frame_init |
|
128 | #endif |
133 | #endif |
129 | 134 | ||
130 | #ifdef MACHINE_QEMU_ICP |
135 | #ifdef MACHINE_QEMU_ICP |
131 | #define machine_console_init(devno) qemu_icp_console_init(devno) |
136 | #define machine_console_init(devno) qemu_icp_console_init(devno) |
132 | #define machine_grab_console qemu_icp_grab_console |
137 | #define machine_grab_console qemu_icp_grab_console |
133 | #define machine_release_console qemu_icp_release_console |
138 | #define machine_release_console qemu_icp_release_console |
134 | #define machine_hw_map_init qemu_icp_hw_map_init |
139 | #define machine_hw_map_init qemu_icp_hw_map_init |
135 | #define machine_timer_irq_start qemu_icp_timer_irq_start |
140 | #define machine_timer_irq_start qemu_icp_timer_irq_start |
136 | #define machine_cpu_halt qemu_icp_cpu_halt |
141 | #define machine_cpu_halt qemu_icp_cpu_halt |
137 | #define machine_get_memory_size qemu_icp_get_memory_size |
142 | #define machine_get_memory_size qemu_icp_get_memory_size |
138 | #define machine_debug_putc(ch) qemu_icp_debug_putc(ch) |
143 | #define machine_debug_putc(ch) qemu_icp_debug_putc(ch) |
139 | #define machine_irq_exception(exc_no, istate) \ |
144 | #define machine_irq_exception(exc_no, istate) \ |
140 | qemu_icp_irq_exception(exc_no, istate) |
145 | qemu_icp_irq_exception(exc_no, istate) |
141 | #define machine_get_fb_address qemu_icp_get_fb_address |
146 | #define machine_get_fb_address qemu_icp_get_fb_address |
142 | #define machine_fb_init qemu_icp_fb_init |
147 | #define machine_fb_init qemu_icp_fb_init |
- | 148 | #define machine_frame_init qemu_icp_frame_init |
|
143 | #endif |
149 | #endif |
144 | #endif |
150 | #endif |
145 | 151 | ||
146 | /** @} |
152 | /** @} |
147 | */ |
153 | */ |
148 | 154 |