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1 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2001-2004 Jakub Jermar |
1 | jermar | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1888 | jermar | 29 | /** @addtogroup ia32 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1888 | jermar | 35 | #ifndef KERN_ia32_I8259_H_ |
36 | #define KERN_ia32_I8259_H_ |
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1 | jermar | 37 | |
38 | #include <arch/types.h> |
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39 | #include <arch/interrupt.h> |
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40 | |||
41 | #define PIC_PIC0PORT1 0x20 |
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42 | #define PIC_PIC0PORT2 0x21 |
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43 | #define PIC_PIC1PORT1 0xa0 |
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44 | #define PIC_PIC1PORT2 0xa1 |
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45 | |||
46 | #define PIC_NEEDICW4 (1<<0) |
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47 | #define PIC_ICW1 (1<<4) |
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48 | |||
49 | extern void i8259_init(void); |
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1780 | jermar | 50 | extern void pic_enable_irqs(uint16_t irqmask); |
51 | extern void pic_disable_irqs(uint16_t irqmask); |
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1 | jermar | 52 | extern void pic_eoi(void); |
53 | |||
54 | #endif |
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1702 | cejka | 55 | |
1888 | jermar | 56 | /** @} |
1702 | cejka | 57 | */ |