Subversion Repositories HelenOS

Rev

Rev 3672 | Rev 3790 | 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 */
1993 decky 79 
		unsigned int visual;
1928 decky 80 
 
1993 decky 81 
		switch (bootinfo.screen.bpp) {
82 
		case 8:
83 
			visual = VISUAL_INDIRECT_8;
84 
			break;
85 
		case 16:
86 
			visual = VISUAL_RGB_5_5_5;
87 
			break;
88 
		case 24:
89 
			visual = VISUAL_RGB_8_8_8;
90 
			break;
91 
		case 32:
92 
			visual = VISUAL_RGB_0_8_8_8;
93 
			break;
94 
		default:
95 
			panic("Unsupported bits per pixel");
96 
		}
3672 jermar 97 
		fb_properties_t prop = {
98 
			.addr = bootinfo.screen.addr,
99 
			.offset = 0,
100 
			.x = bootinfo.screen.width,
101 
			.y = bootinfo.screen.height,
102 
			.scan = bootinfo.screen.scanline,
103 
			.visual = visual,
104 
		};
105 
		fb_init(&prop);
1993 decky 106 
 
1928 decky 107 
		/* Initialize IRQ routing */
108 
		irq_init(IRQ_COUNT, IRQ_COUNT);
1371 decky 109 
 
1480 palkovsky 110 
		/* Initialize PIC */
1756 decky 111 
		pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
1619 decky 112 
 
1928 decky 113 
		/* Initialize I/O controller */
3672 jermar 114 
		cuda_init(device_assign_devno(),
115 
		    bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
1619 decky 116 
 
1304 palkovsky 117 
		/* Merge all zones to 1 big zone */
118 
		zone_merge_all();
119 
	}
210 decky 120 
}
121 
 
1901 jermar 122 
void arch_post_cpu_init(void)
123 
{
124 
}
125 
 
503 jermar 126 
void arch_pre_smp_init(void)
210 decky 127 
{
128 
}
129 
 
503 jermar 130 
void arch_post_smp_init(void)
131 
{
132 
}
133 
 
210 decky 134 
void calibrate_delay_loop(void)
135 
{
136 
}
1007 decky 137 
 
1220 decky 138 
void userspace(uspace_arg_t *kernel_uarg)
139 
{
3672 jermar 140 
	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
141 
	    (uintptr_t) kernel_uarg->uspace_stack +
142 
	    THREAD_STACK_SIZE - SP_DELTA,
143 
	    (uintptr_t) kernel_uarg->uspace_entry);
1220 decky 144 
 
145 
	/* Unreachable */
146 
	for (;;)
147 
		;
148 
}
1474 palkovsky 149 
 
150 
/** Acquire console back for kernel
151 
 *
152 
 */
153 
void arch_grab_console(void)
154 
{
3738 decky 155 
	fb_redraw();
1734 decky 156 
	cuda_grab();
1474 palkovsky 157 
}
1734 decky 158 
 
1474 palkovsky 159 
/** Return console to userspace
160 
 *
161 
 */
162 
void arch_release_console(void)
163 
{
1734 decky 164 
	cuda_release();
1474 palkovsky 165 
}
1702 cejka 166 
 
1734 decky 167 
/** @}
1702 cejka 168 
 */