Subversion Repositories HelenOS

Rev

Rev 2725 | Rev 3674 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2725 Rev 2927
1
/*
1
/*
2
 * Copyright (c) 2005 Martin Decky
2
 * Copyright (c) 2005 Martin Decky
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 ppc32
29
/** @addtogroup ppc32
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
#include <config.h>
35
#include <config.h>
36
#include <arch.h>
36
#include <arch.h>
37
#include <arch/boot/boot.h>
37
#include <arch/boot/boot.h>
38
#include <arch/drivers/cuda.h>
38
#include <arch/drivers/cuda.h>
39
#include <arch/interrupt.h>
39
#include <arch/interrupt.h>
40
#include <genarch/fb/fb.h>
40
#include <genarch/fb/fb.h>
41
#include <genarch/fb/visuals.h>
41
#include <genarch/fb/visuals.h>
42
#include <userspace.h>
42
#include <userspace.h>
43
#include <proc/uarg.h>
43
#include <proc/uarg.h>
44
#include <console/console.h>
44
#include <console/console.h>
45
#include <ddi/device.h>
45
#include <ddi/device.h>
46
#include <ddi/irq.h>
46
#include <ddi/irq.h>
47
#include <arch/drivers/pic.h>
47
#include <arch/drivers/pic.h>
48
 
48
 
49
#define IRQ_COUNT   64
49
#define IRQ_COUNT   64
50
 
50
 
51
bootinfo_t bootinfo;
51
bootinfo_t bootinfo;
52
 
52
 
53
void arch_pre_main(void)
53
void arch_pre_main(void)
54
{
54
{
55
    /* Setup usermode */
55
    /* Setup usermode */
56
    init.cnt = bootinfo.taskmap.count;
56
    init.cnt = bootinfo.taskmap.count;
57
   
57
   
58
    uint32_t i;
58
    uint32_t i;
59
   
59
   
60
    for (i = 0; i < bootinfo.taskmap.count; i++) {
60
    for (i = 0; i < bootinfo.taskmap.count; i++) {
61
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
61
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
62
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
62
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
63
    }
63
    }
64
}
64
}
65
 
65
 
66
void arch_pre_mm_init(void)
66
void arch_pre_mm_init(void)
67
{
67
{
68
    /* Initialize dispatch table */
68
    /* Initialize dispatch table */
69
    interrupt_init();
69
    interrupt_init();
70
 
70
 
71
    /* Start decrementer */
71
    /* Start decrementer */
72
    start_decrementer();
72
    start_decrementer();
73
}
73
}
74
 
74
 
75
void arch_post_mm_init(void)
75
void arch_post_mm_init(void)
76
{
76
{
77
    if (config.cpu_active == 1) {
77
    if (config.cpu_active == 1) {
78
        /* Initialize framebuffer */
78
        /* Initialize framebuffer */
79
        unsigned int visual;
79
        unsigned int visual;
80
       
80
       
81
        switch (bootinfo.screen.bpp) {
81
        switch (bootinfo.screen.bpp) {
82
        case 8:
82
        case 8:
83
            visual = VISUAL_INDIRECT_8;
83
            visual = VISUAL_INDIRECT_8;
84
            break;
84
            break;
85
        case 16:
85
        case 16:
86
            visual = VISUAL_RGB_5_5_5;
86
            visual = VISUAL_RGB_5_5_5;
87
            break;
87
            break;
88
        case 24:
88
        case 24:
89
            visual = VISUAL_RGB_8_8_8;
89
            visual = VISUAL_RGB_8_8_8;
90
            break;
90
            break;
91
        case 32:
91
        case 32:
92
            visual = VISUAL_RGB_0_8_8_8;
92
            visual = VISUAL_RGB_0_8_8_8;
93
            break;
93
            break;
94
        default:
94
        default:
95
            panic("Unsupported bits per pixel");
95
            panic("Unsupported bits per pixel");
96
        }
96
        }
97
        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
97
        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual);
98
       
98
       
99
        /* Initialize IRQ routing */
99
        /* Initialize IRQ routing */
100
        irq_init(IRQ_COUNT, IRQ_COUNT);
100
        irq_init(IRQ_COUNT, IRQ_COUNT);
101
   
101
   
102
        /* Initialize PIC */
102
        /* Initialize PIC */
103
        pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
103
        pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
104
       
104
       
105
        /* Initialize I/O controller */
105
        /* Initialize I/O controller */
106
        cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
106
        cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
107
       
107
       
108
        /* Merge all zones to 1 big zone */
108
        /* Merge all zones to 1 big zone */
109
        zone_merge_all();
109
        zone_merge_all();
110
    }
110
    }
111
}
111
}
112
 
112
 
113
void arch_post_cpu_init(void)
113
void arch_post_cpu_init(void)
114
{
114
{
115
}
115
}
116
 
116
 
117
void arch_pre_smp_init(void)
117
void arch_pre_smp_init(void)
118
{
118
{
119
}
119
}
120
 
120
 
121
void arch_post_smp_init(void)
121
void arch_post_smp_init(void)
122
{
122
{
123
}
123
}
124
 
124
 
125
void calibrate_delay_loop(void)
125
void calibrate_delay_loop(void)
126
{
126
{
127
}
127
}
128
 
128
 
129
void userspace(uspace_arg_t *kernel_uarg)
129
void userspace(uspace_arg_t *kernel_uarg)
130
{
130
{
131
    userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
131
    userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
132
   
132
   
133
    /* Unreachable */
133
    /* Unreachable */
134
    for (;;)
134
    for (;;)
135
        ;
135
        ;
136
}
136
}
137
 
137
 
138
/** Acquire console back for kernel
138
/** Acquire console back for kernel
139
 *
139
 *
140
 */
140
 */
141
void arch_grab_console(void)
141
void arch_grab_console(void)
142
{
142
{
143
    cuda_grab();
143
    cuda_grab();
144
}
144
}
145
 
145
 
146
/** Return console to userspace
146
/** Return console to userspace
147
 *
147
 *
148
 */
148
 */
149
void arch_release_console(void)
149
void arch_release_console(void)
150
{
150
{
151
    cuda_release();
151
    cuda_release();
152
}
152
}
153
 
153
 
154
/** @}
154
/** @}
155
 */
155
 */
156
 
156