Subversion Repositories HelenOS

Rev

Rev 3829 | Rev 3880 | 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>
970 decky 48 
 
1928 decky 49 
#define IRQ_COUNT   64
50 
 
1132 decky 51 
bootinfo_t bootinfo;
52 
 
1222 decky 53 
void arch_pre_main(void)
54 
{
55 
    /* Setup usermode */
1370 decky 56 
    init.cnt = bootinfo.taskmap.count;
57 
 
1780 jermar 58 
    uint32_t i;
1370 decky 59 
 
60 
    for (i = 0; i < bootinfo.taskmap.count; i++) {
61 
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
62 
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
63 
    }
1222 decky 64 
}
65 
 
210 decky 66 
void arch_pre_mm_init(void)
67 
{
1004 decky 68 
    /* Initialize dispatch table */
1007 decky 69 
    interrupt_init();
1480 palkovsky 70 
 
1007 decky 71 
    /* Start decrementer */
72 
    start_decrementer();
210 decky 73 
}
74 
 
75 
void arch_post_mm_init(void)
76 
{
1304 palkovsky 77 
    if (config.cpu_active == 1) {
1928 decky 78 
        /* Initialize framebuffer */
3829 decky 79 
        if (bootinfo.screen.addr) {
80 
            unsigned int visual;
81 
 
82 
            switch (bootinfo.screen.bpp) {
83 
            case 8:
84 
                visual = VISUAL_INDIRECT_8;
85 
                break;
86 
            case 16:
87 
                visual = VISUAL_RGB_5_5_5;
88 
                break;
89 
            case 24:
90 
                visual = VISUAL_RGB_8_8_8;
91 
                break;
92 
            case 32:
93 
                visual = VISUAL_RGB_0_8_8_8;
94 
                break;
95 
            default:
96 
                panic("Unsupported bits per pixel.");
97 
            }
98 
            fb_properties_t prop = {
99 
                .addr = bootinfo.screen.addr,
100 
                .offset = 0,
101 
                .x = bootinfo.screen.width,
102 
                .y = bootinfo.screen.height,
103 
                .scan = bootinfo.screen.scanline,
104 
                .visual = visual,
105 
            };
106 
            fb_init(&prop);
1993 decky 107 
        }
108 
 
1928 decky 109 
        /* Initialize IRQ routing */
110 
        irq_init(IRQ_COUNT, IRQ_COUNT);
1619 decky 111 
 
3829 decky 112 
        if (bootinfo.macio.addr) {
113 
            /* Initialize PIC */
114 
            pic_init(bootinfo.macio.addr, PAGE_SIZE);
115 
 
116 
            /* Initialize I/O controller */
117 
            cuda_init(device_assign_devno(),
118 
                bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE);
119 
        }
1619 decky 120 
 
1304 palkovsky 121 
        /* Merge all zones to 1 big zone */
122 
        zone_merge_all();
123 
    }
210 decky 124 
}
125 
 
1901 jermar 126 
void arch_post_cpu_init(void)
127 
{
128 
}
129 
 
503 jermar 130 
void arch_pre_smp_init(void)
210 decky 131 
{
132 
}
133 
 
503 jermar 134 
void arch_post_smp_init(void)
135 
{
136 
}
137 
 
210 decky 138 
void calibrate_delay_loop(void)
139 
{
140 
}
1007 decky 141 
 
1220 decky 142 
void userspace(uspace_arg_t *kernel_uarg)
143 
{
3672 jermar 144 
    userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
145 
        (uintptr_t) kernel_uarg->uspace_stack +
146 
        THREAD_STACK_SIZE - SP_DELTA,
147 
        (uintptr_t) kernel_uarg->uspace_entry);
1220 decky 148 
 
149 
    /* Unreachable */
3844 decky 150 
    while (true);
1220 decky 151 
}
1474 palkovsky 152 
 
153 
/** Acquire console back for kernel
154 
 *
155 
 */
156 
void arch_grab_console(void)
157 
{
3738 decky 158 
    fb_redraw();
1734 decky 159 
    cuda_grab();
1474 palkovsky 160 
}
1734 decky 161 
 
1474 palkovsky 162 
/** Return console to userspace
163 
 *
164 
 */
165 
void arch_release_console(void)
166 
{
1734 decky 167 
    cuda_release();
1474 palkovsky 168 
}
1702 cejka 169 
 
1734 decky 170 
/** @}
1702 cejka 171 
 */