Subversion Repositories HelenOS

Rev

Rev 4343 | Rev 4346 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2128 jermar 1 
/*
2465 jermar 2 
 * Copyright (c) 2007 Michal Kebrt
2128 jermar 3 
 * All rights reserved.
4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions
7 
 * are met:
8 
 *
9 
 * - Redistributions of source code must retain the above copyright
10 
 *   notice, this list of conditions and the following disclaimer.
11 
 * - Redistributions in binary form must reproduce the above copyright
12 
 *   notice, this list of conditions and the following disclaimer in the
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
15 
 *   derived from this software without specific prior written permission.
16 
 *
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
19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
28 
 
29 
/** @addtogroup arm32
30 
 * @{
31 
 */
32 
/** @file
2465 jermar 33 
 *  @brief ARM32 architecture specific functions.
2128 jermar 34 
 */
35 
 
36 
#include <arch.h>
2465 jermar 37 
#include <config.h>
38 
#include <arch/console.h>
39 
#include <ddi/device.h>
40 
#include <genarch/fb/fb.h>
41 
#include <genarch/fb/visuals.h>
42 
#include <ddi/irq.h>
43 
#include <arch/debug/print.h>
44 
#include <print.h>
45 
#include <config.h>
46 
#include <interrupt.h>
47 
#include <arch/regutils.h>
48 
#include <arch/machine.h>
49 
#include <userspace.h>
4343 svoboda 50 
#include <macros.h>
4345 svoboda 51 
#include <string.h>
2128 jermar 52 
 
4345 svoboda 53 
/** Performs arm32-specific initialization before main_bsp() is called. */
4343 svoboda 54 
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo)
2128 jermar 55 
{
2745 decky 56 
    unsigned int i;
4343 svoboda 57 
 
58 
    init.cnt = bootinfo->cnt;
59 
 
60 
    for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); ++i) {
61 
        init.tasks[i].addr = bootinfo->tasks[i].addr;
62 
        init.tasks[i].size = bootinfo->tasks[i].size;
4345 svoboda 63 
        strncpy(init.tasks[i].name, bootinfo->tasks[i].name,
64 
            CONFIG_TASK_NAME_BUFLEN);
2465 jermar 65 
    }
2128 jermar 66 
}
67 
 
2465 jermar 68 
/** Performs arm32 specific initialization before mm is initialized. */
2128 jermar 69 
void arch_pre_mm_init(void)
70 
{
2465 jermar 71 
    /* It is not assumed by default */
72 
    interrupts_disable();
2128 jermar 73 
}
74 
 
2465 jermar 75 
/** Performs arm32 specific initialization afterr mm is initialized. */
2128 jermar 76 
void arch_post_mm_init(void)
77 
{
2465 jermar 78 
    machine_hw_map_init();
79 
 
80 
    /* Initialize exception dispatch table */
81 
    exception_init();
82 
 
83 
    interrupt_init();
84 
 
85 
    console_init(device_assign_devno());
86 
 
87 
#ifdef CONFIG_FB
3674 svoboda 88 
    fb_properties_t prop = {
89 
        .addr = machine_get_fb_address(),
90 
        .offset = 0,
91 
        .x = 640,
92 
        .y = 480,
93 
        .scan = 1920,
4342 svoboda 94 
        .visual = VISUAL_BGR_8_8_8,
3674 svoboda 95 
    };
96 
    fb_init(&prop);
2465 jermar 97 
#endif
2128 jermar 98 
}
99 
 
2465 jermar 100 
/** Performs arm32 specific tasks needed after cpu is initialized.
101 
 *
102 
 * Currently the function is empty.
103 
 */
2128 jermar 104 
void arch_post_cpu_init(void)
105 
{
106 
}
107 
 
2465 jermar 108 
 
109 
/** Performs arm32 specific tasks needed before the multiprocessing is
110 
 * initialized.
111 
 *
112 
 * Currently the function is empty because SMP is not supported.
113 
 */
2128 jermar 114 
void arch_pre_smp_init(void)
115 
{
116 
}
117 
 
2465 jermar 118 
 
119 
/** Performs arm32 specific tasks needed after the multiprocessing is
120 
 * initialized.
121 
 *
122 
 * Currently the function is empty because SMP is not supported.
123 
 */
2128 jermar 124 
void arch_post_smp_init(void)
125 
{
126 
}
127 
 
2465 jermar 128 
 
129 
/** Performs arm32 specific tasks needed before the new task is run. */
2128 jermar 130 
void before_task_runs_arch(void)
131 
{
2465 jermar 132 
    tlb_invalidate_all();
2128 jermar 133 
}
134 
 
2465 jermar 135 
 
136 
/** Performs arm32 specific tasks needed before the new thread is scheduled.
137 
 *
138 
 * It sets supervisor_sp.
139 
 */
2128 jermar 140 
void before_thread_runs_arch(void)
141 
{
2465 jermar 142 
    uint8_t *stck;
143 
 
144 
    stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
145 
    supervisor_sp = (uintptr_t) stck;
2128 jermar 146 
}
147 
 
2465 jermar 148 
/** Performs arm32 specific tasks before a thread stops running.
149 
 *
150 
 * Currently the function is empty.
151 
 */
2128 jermar 152 
void after_thread_ran_arch(void)
153 
{
154 
}
155 
 
2465 jermar 156 
/** Halts CPU. */
157 
void cpu_halt(void)
2227 decky 158 
{
2465 jermar 159 
    machine_cpu_halt();
2227 decky 160 
}
161 
 
2465 jermar 162 
/** Reboot. */
163 
void arch_reboot()
164 
{
165 
    /* not implemented */
4342 svoboda 166 
    while (1);
2465 jermar 167 
}
168 
 
4342 svoboda 169 
/** Construct function pointer
170 
 *
171 
 * @param fptr   function pointer structure
172 
 * @param addr   function address
173 
 * @param caller calling function address
174 
 *
175 
 * @return address of the function pointer
176 
 *
177 
 */
178 
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
179 
{
180 
    return addr;
181 
}
182 
 
2128 jermar 183 
/** @}
184 
 */