source: mainline/arch/ia32/src/ia32.c@ 3396f59

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 3396f59 was f6297e0, checked in by Martin Decky <martin@…>, 20 years ago

proper way of initializing GDT during boot on IA-32, fixes the nasty hack
SMP might be still broken

  • Property mode set to 100644
File size: 2.5 KB
RevLine 
[f761f1eb]1/*
2 * Copyright (C) 2001-2004 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
29#include <arch.h>
30
31#include <arch/types.h>
32#include <typedefs.h>
33
34#include <arch/pm.h>
35
36#include <arch/ega.h>
37#include <arch/i8042.h>
38#include <arch/i8254.h>
39#include <arch/i8259.h>
40
41#include <arch/context.h>
42
43#include <config.h>
44
45#include <arch/interrupt.h>
[ad36bd6]46#include <arch/asm.h>
[85bfdcc8]47#include <arch/acpi/acpi.h>
[9c0a9b3]48
49#include <arch/bios/bios.h>
50
[1e9a463]51#include <arch/mm/memory_init.h>
[ad36bd6]52
[9c0a9b3]53
[f07bba5]54void arch_pre_mm_init(void)
[f761f1eb]55{
56 pm_init();
57
58 if (config.cpu_active == 1) {
[dba84ff]59 bios_init();
[f6297e0]60 i8042_init(); /* keyboard controller */
[76cec1e]61 i8259_init(); /* PIC */
[f761f1eb]62 i8254_init(); /* hard clock */
[5dce48b9]63
[f761f1eb]64 trap_register(VECTOR_SYSCALL, syscall);
[169587a]65
66 #ifdef __SMP__
[4ffa9e0]67 trap_register(VECTOR_TLB_SHOOTDOWN_IPI, tlb_shootdown_ipi);
68 trap_register(VECTOR_WAKEUP_IPI, wakeup_ipi);
[169587a]69 #endif /* __SMP__ */
[f761f1eb]70 }
71}
72
[6ba143d]73void arch_post_mm_init(void)
[7eade45]74{
[425913b]75 if (config.cpu_active == 1) {
76 ega_init(); /* video */
[babcb148]77 }
78}
79
[6ba143d]80void arch_late_init(void)
[babcb148]81{
82 if (config.cpu_active == 1) {
[1e9a463]83 memory_print_map();
84
[babcb148]85 #ifdef __SMP__
[85bfdcc8]86 acpi_init();
[babcb148]87 #endif /* __SMP__ */
[425913b]88 }
[7eade45]89}
90
[f761f1eb]91void calibrate_delay_loop(void)
92{
93 i8254_calibrate_delay_loop();
94 i8254_normal_operation();
95}
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