Subversion Repositories HelenOS

Rev

Rev 3022 | Rev 4296 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
210 decky 1 
/*
2071 jermar 2 
 * Copyright (c) 2005 Martin Decky
210 decky 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 
 
1734 decky 29 
/** @addtogroup ppc32
1702 cejka 30 
 * @{
31 
 */
32 
/** @file
33 
 */
34 
 
2089 decky 35 
#include <config.h>
210 decky 36 
#include <arch.h>
1132 decky 37 
#include <arch/boot/boot.h>
990 decky 38 
#include <arch/drivers/cuda.h>
1004 decky 39 
#include <arch/interrupt.h>
1374 decky 40 
#include <genarch/fb/fb.h>
1993 decky 41 
#include <genarch/fb/visuals.h>
1220 decky 42 
#include <userspace.h>
43 
#include <proc/uarg.h>
1474 palkovsky 44 
#include <console/console.h>
1928 decky 45 
#include <ddi/device.h>
46 
#include <ddi/irq.h>
1480 palkovsky 47 
#include <arch/drivers/pic.h>
4055 trochtova 48 
#include <macros.h>
49 
#include <string.h>
970 decky 50 
 
4055 trochtova 51 
#define IRQ_COUNT  64
1928 decky 52 
 
1132 decky 53 
bootinfo_t bootinfo;
54 
 
4055 trochtova 55 
/** Performs ppc32-specific initialization before main_bsp() is called. */
1222 decky 56 
void arch_pre_main(void)
57 
{
1370 decky 58 
    init.cnt = bootinfo.taskmap.count;
59 
 
1780 jermar 60 
    uint32_t i;
1370 decky 61 
 
4055 trochtova 62 
    for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
1370 decky 63 
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
64 
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
4055 trochtova 65 
        strncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name,
66 
            CONFIG_TASK_NAME_BUFLEN);
1370 decky 67 
    }
1222 decky 68 
}
69 
 
210 decky 70 
void arch_pre_mm_init(void)
71 
{
1004 decky 72 
    /* Initialize dispatch table */
1007 decky 73 
    interrupt_init();
1480 palkovsky 74 
 
1007 decky 75 
    /* Start decrementer */
76 
    start_decrementer();
210 decky 77 
}
78 
 
79 
void arch_post_mm_init(void)
80 
{
1304 palkovsky 81 
    if (config.cpu_active == 1) {
1928 decky 82 
        /* Initialize framebuffer */
4055 trochtova 83 
        if (bootinfo.screen.addr) {
84 
            unsigned int visual;
85 
 
86 
            switch (bootinfo.screen.bpp) {
87 
            case 8:
88 
                visual = VISUAL_INDIRECT_8;
89 
                break;
90 
            case 16:
91 
                visual = VISUAL_RGB_5_5_5;
92 
                break;
93 
            case 24:
94 
                visual = VISUAL_RGB_8_8_8;
95 
                break;
96 
            case 32:
97 
                visual = VISUAL_RGB_0_8_8_8;
98 
                break;
99 
            default:
100 
                panic("Unsupported bits per pixel.");
101 
            }
102 
            fb_properties_t prop = {
103 
                .addr = bootinfo.screen.addr,
104 
                .offset = 0,
105 
                .x = bootinfo.screen.width,
106 
                .y = bootinfo.screen.height,
107 
                .scan = bootinfo.screen.scanline,
108 
                .visual = visual,
109 
            };
110 
            fb_init(&prop);
1993 decky 111 
        }
112 
 
1928 decky 113 
        /* Initialize IRQ routing */
114 
        irq_init(IRQ_COUNT, IRQ_COUNT);
1619 decky 115 
 
4055 trochtova 116 
        if (bootinfo.macio.addr) {
117 
            /* Initialize PIC */
118 
            pic_init(bootinfo.macio.addr, PAGE_SIZE);
119 
 
120 
            /* Initialize I/O controller */
121 
            cuda_init(device_assign_devno(),
122 
                bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);
123 
        }
1619 decky 124 
 
1304 palkovsky 125 
        /* Merge all zones to 1 big zone */
126 
        zone_merge_all();
127 
    }
210 decky 128 
}
129 
 
1901 jermar 130 
void arch_post_cpu_init(void)
131 
{
132 
}
133 
 
503 jermar 134 
void arch_pre_smp_init(void)
210 decky 135 
{
136 
}
137 
 
503 jermar 138 
void arch_post_smp_init(void)
139 
{
140 
}
141 
 
210 decky 142 
void calibrate_delay_loop(void)
143 
{
144 
}
1007 decky 145 
 
1220 decky 146 
void userspace(uspace_arg_t *kernel_uarg)
147 
{
4055 trochtova 148 
    userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
149 
        (uintptr_t) kernel_uarg->uspace_stack +
150 
        THREAD_STACK_SIZE - SP_DELTA,
151 
        (uintptr_t) kernel_uarg->uspace_entry);
1220 decky 152 
 
153 
    /* Unreachable */
4055 trochtova 154 
    while (true);
1220 decky 155 
}
1474 palkovsky 156 
 
157 
/** Acquire console back for kernel
158 
 *
159 
 */
160 
void arch_grab_console(void)
161 
{
4055 trochtova 162 
    fb_redraw();
1474 palkovsky 163 
}
1734 decky 164 
 
1474 palkovsky 165 
/** Return console to userspace
166 
 *
167 
 */
168 
void arch_release_console(void)
169 
{
170 
}
1702 cejka 171 
 
4055 trochtova 172 
/** Construct function pointer
173 
 *
174 
 * @param fptr   function pointer structure
175 
 * @param addr   function address
176 
 * @param caller calling function address
177 
 *
178 
 * @return address of the function pointer
179 
 *
180 
 */
181 
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
182 
{
183 
    return addr;
184 
}
185 
 
1734 decky 186 
/** @}
1702 cejka 187 
 */