source: mainline/arch/ppc32/src/ppc32.c@ 7633b109

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7633b109 was 35f3b8c, checked in by Martin Decky <martin@…>, 19 years ago

ppc32 work
update framebuffer
get rid of the BAT memory mapping (not finished yet)

  • Property mode set to 100644
File size: 2.7 KB
Line 
1/*
2 * Copyright (C) 2005 Martin 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
29#include <arch.h>
30#include <arch/boot/boot.h>
31#include <arch/drivers/cuda.h>
32#include <arch/mm/memory_init.h>
33#include <arch/interrupt.h>
34#include <genarch/fb/fb.h>
35#include <userspace.h>
36#include <proc/uarg.h>
37
38bootinfo_t bootinfo;
39
40void arch_pre_main(void)
41{
42 /* Setup usermode */
43 init.cnt = bootinfo.taskmap.count;
44
45 __u32 i;
46
47 for (i = 0; i < bootinfo.taskmap.count; i++) {
48 init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
49 init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
50 }
51}
52
53void arch_pre_mm_init(void)
54{
55 /* Initialize dispatch table */
56 interrupt_init();
57
58 /* Start decrementer */
59 start_decrementer();
60 cuda_init();
61}
62
63void arch_post_mm_init(void)
64{
65 if (config.cpu_active == 1) {
66 fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
67
68 /* Merge all zones to 1 big zone */
69 zone_merge_all();
70 }
71}
72
73void arch_pre_smp_init(void)
74{
75 memory_print_map();
76}
77
78void arch_post_smp_init(void)
79{
80}
81
82void calibrate_delay_loop(void)
83{
84}
85
86void userspace(uspace_arg_t *kernel_uarg)
87{
88 userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);
89
90 /* Unreachable */
91 for (;;)
92 ;
93}
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