source: mainline/arch/ia32/include/asm.h@ c9b8c5c

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since c9b8c5c was c9b8c5c, checked in by Jakub Jermar <jakub@…>, 20 years ago

APIC changes and fixes.
Be more robust during MP configuration.

Do not use APIC ID as CPU_ID_ARCH anymore.
Changing APIC ID's is not a good idea.
Use dr0 register instead.

  • Property mode set to 100644
File size: 2.2 KB
Line 
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#ifndef __ia32_ASM_H__
30#define __ia32_ASM_H__
31
32#include <cpu.h>
33#include <arch/types.h>
34#include <typedefs.h>
35#include <mm/page.h>
36#include <synch/spinlock.h>
37
38extern __u32 interrupt_handler_size;
39
40extern void paging_on(void);
41extern __address cpu_read_dba(void);
42extern void cpu_write_dba(__address dba);
43
44extern __address cpu_read_cr2(void);
45
46extern void interrupt_handlers(void);
47
48extern __u8 inb(int port);
49extern __u16 inw(int port);
50extern __u32 inl(int port);
51
52extern void outb(int port, __u8 b);
53extern void outw(int port, __u16 w);
54extern void outl(int port, __u32 l);
55
56extern void enable_l_apic_in_msr(void);
57
58extern void halt_cpu(void);
59extern void cpu_sleep(void);
60
61extern void write_dr0(__u32 v);
62extern __u32 read_dr0(void);
63
64#endif
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