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  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.  
  38. extern __u32 interrupt_handler_size;
  39.  
  40. extern void paging_on(void);
  41. extern __address cpu_read_dba(void);
  42. extern void cpu_write_dba(__address dba);
  43.  
  44. extern __address cpu_read_cr2(void);
  45.  
  46. extern void interrupt_handlers(void);
  47.  
  48. extern __u8 inb(int port);
  49. extern __u16 inw(int port);
  50. extern __u32 inl(int port);
  51.  
  52. extern void outb(int port, __u8 b);
  53. extern void outw(int port, __u16 w);
  54. extern void outl(int port, __u32 l);
  55.  
  56. extern void enable_l_apic_in_msr(void);
  57.  
  58. extern void halt_cpu(void);
  59. extern void cpu_sleep(void);
  60.  
  61. extern void write_dr0(__u32 v);
  62. extern inline __u32 read_dr0(void);
  63.  
  64. #endif
  65.