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1 jermar 1
/*
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 * Copyright (C) 2001-2004 Jakub Jermar
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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11 jermar 29
#ifndef __ia32_ASM_H__
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#define __ia32_ASM_H__
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#include <arch/types.h>
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#include <typedefs.h>
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#include <mm/page.h>
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#include <synch/spinlock.h>
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extern __u32 interrupt_handler_size;
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extern void paging_on(void);
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extern __address cpu_read_dba(void);
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extern void cpu_write_dba(__address dba);
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extern __address cpu_read_cr2(void);
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extern void interrupt_handlers(void);
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extern __u8 inb(int port);
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extern __u16 inw(int port);
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extern __u32 inl(int port);
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extern void outb(int port, __u8 b);
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extern void outw(int port, __u16 w);
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extern void outl(int port, __u32 l);
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extern void enable_l_apic_in_msr(void);
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extern void halt_cpu(void);
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extern void cpu_sleep(void);
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static inline void write_dr0(__u32 v);
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static inline __u32 read_dr0(void);
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inline void write_dr0(__u32 v) { __asm__ volatile ("movl %0,%%dr0\n" : : "r" (v)); }
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inline __u32 read_dr0(void) { __u32 v; __asm__ volatile ("movl %%dr0,%0" : "=r" (v)); return v; }
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#endif