source: mainline/kernel/arch/sparc64/src/sparc64.c@ 208fa65

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 208fa65 was 208fa65, checked in by Jakub Jermar <jakub@…>, 19 years ago

Revert last change.
The register window save area is automatically allocated by the SAVE instruction.

  • Property mode set to 100644
File size: 2.8 KB
RevLine 
[39cb79a]1/*
2 * Copyright (C) 2005 Jakub Jermar
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
[2f40fe4]29/** @addtogroup sparc64
[b45c443]30 * @{
31 */
32/** @file
33 */
34
[39cb79a]35#include <arch.h>
[65fb232]36#include <debug.h>
[ed166f7]37#include <config.h>
[49b6d32]38#include <arch/trap/trap.h>
[adb2ebf8]39#include <arch/console.h>
[39494010]40#include <arch/drivers/tick.h>
[65fb232]41#include <proc/thread.h>
[41d33ac]42#include <console/console.h>
[94d614e]43#include <arch/boot/boot.h>
[10b890b]44#include <arch/arch.h>
[ed166f7]45#include <arch/mm/page.h>
46#include <arch/stack.h>
47#include <userspace.h>
[94d614e]48
49bootinfo_t bootinfo;
[39cb79a]50
[cfa70add]51void arch_pre_main(void)
52{
53 /* Setup usermode */
54 init.cnt = bootinfo.taskmap.count;
55
56 uint32_t i;
57
58 for (i = 0; i < bootinfo.taskmap.count; i++) {
59 init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
60 init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
61 }
62}
63
[39cb79a]64void arch_pre_mm_init(void)
65{
[10c071e]66 trap_init();
[39494010]67 tick_init();
[39cb79a]68}
69
70void arch_post_mm_init(void)
71{
[481c520]72 standalone_sparc64_console_init();
[39cb79a]73}
74
[7453929]75void arch_pre_smp_init(void)
76{
77}
78
79void arch_post_smp_init(void)
[39cb79a]80{
[481c520]81 thread_t *t;
82
[30ab05f]83 /*
84 * Create thread that polls keyboard.
85 */
[ff14c520]86 t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll");
[30ab05f]87 if (!t)
88 panic("cannot create kkbdpoll\n");
89 thread_ready(t);
[39cb79a]90}
91
92void calibrate_delay_loop(void)
93{
94}
[41d33ac]95
[ed166f7]96/** Switch to userspace. */
97void userspace(uspace_arg_t *kernel_uarg)
98{
99 switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry,
100 ((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE
[208fa65]101 - (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS),
[cfa70add]102 (uintptr_t) kernel_uarg->uspace_uarg);
[ed166f7]103
104 for (;;)
105 ;
106 /* not reached */
107}
108
[2f40fe4]109/** @}
[b45c443]110 */
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