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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 ARM32 architecture specific functions. |
33 | * @brief ARM32 architecture specific functions. |
34 | */ |
34 | */ |
35 | 35 | ||
36 | #include <arch.h> |
36 | #include <arch.h> |
37 | #include <config.h> |
37 | #include <config.h> |
38 | #include <genarch/fb/fb.h> |
38 | #include <genarch/fb/fb.h> |
39 | #include <genarch/fb/visuals.h> |
39 | #include <genarch/fb/visuals.h> |
40 | #include <genarch/drivers/dsrln/dsrlnin.h> |
- | |
41 | #include <genarch/drivers/dsrln/dsrlnout.h> |
- | |
42 | #include <genarch/srln/srln.h> |
- | |
43 | #include <sysinfo/sysinfo.h> |
40 | #include <sysinfo/sysinfo.h> |
44 | #include <console/console.h> |
41 | #include <console/console.h> |
45 | #include <ddi/irq.h> |
42 | #include <ddi/irq.h> |
46 | #include <arch/drivers/gxemul.h> |
43 | #include <arch/machine.h> |
47 | #include <print.h> |
44 | #include <print.h> |
48 | #include <config.h> |
45 | #include <config.h> |
49 | #include <interrupt.h> |
46 | #include <interrupt.h> |
50 | #include <arch/regutils.h> |
47 | #include <arch/regutils.h> |
51 | #include <userspace.h> |
48 | #include <userspace.h> |
52 | #include <macros.h> |
49 | #include <macros.h> |
53 | #include <string.h> |
50 | #include <string.h> |
54 | 51 | ||
55 | /** Performs arm32-specific initialization before main_bsp() is called. */ |
52 | /** Performs arm32-specific initialization before main_bsp() is called. */ |
56 | void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo) |
53 | void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo) |
57 | { |
54 | { |
58 | unsigned int i; |
55 | unsigned int i; |
59 | 56 | ||
60 | init.cnt = bootinfo->cnt; |
57 | init.cnt = bootinfo->cnt; |
61 | 58 | ||
62 | for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); ++i) { |
59 | for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); ++i) { |
63 | init.tasks[i].addr = bootinfo->tasks[i].addr; |
60 | init.tasks[i].addr = bootinfo->tasks[i].addr; |
64 | init.tasks[i].size = bootinfo->tasks[i].size; |
61 | init.tasks[i].size = bootinfo->tasks[i].size; |
65 | str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
62 | str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
66 | bootinfo->tasks[i].name); |
63 | bootinfo->tasks[i].name); |
67 | } |
64 | } |
68 | } |
65 | } |
69 | 66 | ||
70 | /** Performs arm32 specific initialization before mm is initialized. */ |
67 | /** Performs arm32 specific initialization before mm is initialized. */ |
71 | void arch_pre_mm_init(void) |
68 | void arch_pre_mm_init(void) |
72 | { |
69 | { |
73 | /* It is not assumed by default */ |
70 | /* It is not assumed by default */ |
74 | interrupts_disable(); |
71 | interrupts_disable(); |
75 | } |
72 | } |
76 | 73 | ||
77 | /** Performs arm32 specific initialization afterr mm is initialized. */ |
74 | /** Performs arm32 specific initialization afterr mm is initialized. */ |
78 | void arch_post_mm_init(void) |
75 | void arch_post_mm_init(void) |
79 | { |
76 | { |
80 | gxemul_init(); |
77 | machine_init(); |
81 | 78 | ||
82 | /* Initialize exception dispatch table */ |
79 | /* Initialize exception dispatch table */ |
83 | exception_init(); |
80 | exception_init(); |
84 | interrupt_init(); |
81 | interrupt_init(); |
85 | 82 | ||
86 | #ifdef CONFIG_FB |
83 | #ifdef CONFIG_FB |
87 | fb_properties_t prop = { |
- | |
88 | .addr = GXEMUL_FB_ADDRESS, |
- | |
89 | .offset = 0, |
- | |
90 | .x = 640, |
- | |
91 | .y = 480, |
- | |
92 | .scan = 1920, |
- | |
93 | .visual = VISUAL_BGR_8_8_8, |
- | |
94 | }; |
- | |
95 | fb_init(&prop); |
84 | machine_fb_init(); |
96 | #else |
85 | #else |
97 | #ifdef CONFIG_ARM_PRN |
86 | #ifdef CONFIG_ARM_PRN |
98 | dsrlnout_init((ioport8_t *) gxemul_kbd); |
87 | machine_output_init(); |
99 | #endif /* CONFIG_ARM_PRN */ |
88 | #endif /* CONFIG_ARM_PRN */ |
100 | #endif /* CONFIG_FB */ |
89 | #endif /* CONFIG_FB */ |
101 | } |
90 | } |
102 | 91 | ||
103 | /** Performs arm32 specific tasks needed after cpu is initialized. |
92 | /** Performs arm32 specific tasks needed after cpu is initialized. |
104 | * |
93 | * |
105 | * Currently the function is empty. |
94 | * Currently the function is empty. |
106 | */ |
95 | */ |
107 | void arch_post_cpu_init(void) |
96 | void arch_post_cpu_init(void) |
108 | { |
97 | { |
109 | } |
98 | } |
110 | 99 | ||
111 | 100 | ||
112 | /** Performs arm32 specific tasks needed before the multiprocessing is |
101 | /** Performs arm32 specific tasks needed before the multiprocessing is |
113 | * initialized. |
102 | * initialized. |
114 | * |
103 | * |
115 | * Currently the function is empty because SMP is not supported. |
104 | * Currently the function is empty because SMP is not supported. |
116 | */ |
105 | */ |
117 | void arch_pre_smp_init(void) |
106 | void arch_pre_smp_init(void) |
118 | { |
107 | { |
119 | } |
108 | } |
120 | 109 | ||
121 | 110 | ||
122 | /** Performs arm32 specific tasks needed after the multiprocessing is |
111 | /** Performs arm32 specific tasks needed after the multiprocessing is |
123 | * initialized. |
112 | * initialized. |
124 | * |
113 | * |
125 | * Currently the function is empty because SMP is not supported. |
114 | * Currently the function is empty because SMP is not supported. |
126 | */ |
115 | */ |
127 | void arch_post_smp_init(void) |
116 | void arch_post_smp_init(void) |
128 | { |
117 | { |
129 | #ifdef CONFIG_ARM_KBD |
- | |
130 | /* |
- | |
131 | * Initialize the GXemul keyboard port. Then initialize the serial line |
- | |
132 | * module and connect it to the GXemul keyboard. |
- | |
133 | */ |
- | |
134 | dsrlnin_instance_t *dsrlnin_instance |
- | |
135 | = dsrlnin_init((dsrlnin_t *) gxemul_kbd, GXEMUL_KBD_IRQ); |
- | |
136 | if (dsrlnin_instance) { |
- | |
137 | srln_instance_t *srln_instance = srln_init(); |
- | |
138 | if (srln_instance) { |
- | |
139 | indev_t *sink = stdin_wire(); |
118 | machine_input_init(); |
140 | indev_t *srln = srln_wire(srln_instance, sink); |
- | |
141 | dsrlnin_wire(dsrlnin_instance, srln); |
- | |
142 | } |
- | |
143 | } |
- | |
144 | - | ||
145 | /* |
- | |
146 | * This is the necessary evil until the userspace driver is entirely |
- | |
147 | * self-sufficient. |
- | |
148 | */ |
- | |
149 | sysinfo_set_item_val("kbd", NULL, true); |
- | |
150 | sysinfo_set_item_val("kbd.inr", NULL, GXEMUL_KBD_IRQ); |
- | |
151 | sysinfo_set_item_val("kbd.address.virtual", NULL, (unative_t) gxemul_kbd); |
- | |
152 | #endif |
- | |
153 | } |
119 | } |
154 | 120 | ||
155 | 121 | ||
156 | /** Performs arm32 specific tasks needed before the new task is run. */ |
122 | /** Performs arm32 specific tasks needed before the new task is run. */ |
157 | void before_task_runs_arch(void) |
123 | void before_task_runs_arch(void) |
158 | { |
124 | { |
159 | tlb_invalidate_all(); |
- | |
160 | } |
125 | } |
161 | 126 | ||
162 | 127 | ||
163 | /** Performs arm32 specific tasks needed before the new thread is scheduled. |
128 | /** Performs arm32 specific tasks needed before the new thread is scheduled. |
164 | * |
129 | * |
165 | * It sets supervisor_sp. |
130 | * It sets supervisor_sp. |
166 | */ |
131 | */ |
167 | void before_thread_runs_arch(void) |
132 | void before_thread_runs_arch(void) |
168 | { |
133 | { |
169 | uint8_t *stck; |
134 | uint8_t *stck; |
170 | 135 | ||
- | 136 | tlb_invalidate_all(); |
|
171 | stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]; |
137 | stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]; |
172 | supervisor_sp = (uintptr_t) stck; |
138 | supervisor_sp = (uintptr_t) stck; |
173 | } |
139 | } |
174 | 140 | ||
175 | /** Performs arm32 specific tasks before a thread stops running. |
141 | /** Performs arm32 specific tasks before a thread stops running. |
176 | * |
142 | * |
177 | * Currently the function is empty. |
143 | * Currently the function is empty. |
178 | */ |
144 | */ |
179 | void after_thread_ran_arch(void) |
145 | void after_thread_ran_arch(void) |
180 | { |
146 | { |
181 | } |
147 | } |
182 | 148 | ||
183 | /** Halts CPU. */ |
149 | /** Halts CPU. */ |
184 | void cpu_halt(void) |
150 | void cpu_halt(void) |
185 | { |
151 | { |
186 | *((char *) (gxemul_kbd + GXEMUL_HALT_OFFSET)) |
152 | machine_cpu_halt(); |
187 | = 0; |
- | |
188 | } |
153 | } |
189 | 154 | ||
190 | /** Reboot. */ |
155 | /** Reboot. */ |
191 | void arch_reboot() |
156 | void arch_reboot() |
192 | { |
157 | { |
193 | /* not implemented */ |
158 | /* not implemented */ |
194 | while (1); |
159 | while (1); |
195 | } |
160 | } |
196 | 161 | ||
197 | /** Construct function pointer |
162 | /** Construct function pointer |
198 | * |
163 | * |
199 | * @param fptr function pointer structure |
164 | * @param fptr function pointer structure |
200 | * @param addr function address |
165 | * @param addr function address |
201 | * @param caller calling function address |
166 | * @param caller calling function address |
202 | * |
167 | * |
203 | * @return address of the function pointer |
168 | * @return address of the function pointer |
204 | * |
169 | * |
205 | */ |
170 | */ |
206 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
171 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
207 | { |
172 | { |
208 | return addr; |
173 | return addr; |
209 | } |
174 | } |
210 | 175 | ||
211 | /** Acquire console back for kernel. */ |
176 | /** Acquire console back for kernel. */ |
212 | void arch_grab_console(void) |
177 | void arch_grab_console(void) |
213 | { |
178 | { |
- | 179 | machine_grab_console(); |
|
214 | #ifdef CONFIG_FB |
180 | #ifdef CONFIG_FB |
215 | fb_redraw(); |
181 | fb_redraw(); |
216 | #endif |
182 | #endif |
217 | } |
183 | } |
218 | 184 | ||
219 | /** Return console to userspace. */ |
185 | /** Return console to userspace. */ |
220 | void arch_release_console(void) |
186 | void arch_release_console(void) |
221 | { |
187 | { |
- | 188 | machine_release_console(); |
|
222 | } |
189 | } |
223 | 190 | ||
224 | /** @} |
191 | /** @} |
225 | */ |
192 | */ |
226 | 193 |