root / hw / i8259_internal.h @ 2cae4119
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1 | 512709f5 | Jan Kiszka | /*
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2 | 512709f5 | Jan Kiszka | * QEMU 8259 - internal interfaces
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3 | 512709f5 | Jan Kiszka | *
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4 | 512709f5 | Jan Kiszka | * Copyright (c) 2011 Jan Kiszka, Siemens AG
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5 | 512709f5 | Jan Kiszka | *
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6 | 512709f5 | Jan Kiszka | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 512709f5 | Jan Kiszka | * of this software and associated documentation files (the "Software"), to deal
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8 | 512709f5 | Jan Kiszka | * in the Software without restriction, including without limitation the rights
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9 | 512709f5 | Jan Kiszka | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 512709f5 | Jan Kiszka | * copies of the Software, and to permit persons to whom the Software is
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11 | 512709f5 | Jan Kiszka | * furnished to do so, subject to the following conditions:
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12 | 512709f5 | Jan Kiszka | *
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13 | 512709f5 | Jan Kiszka | * The above copyright notice and this permission notice shall be included in
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14 | 512709f5 | Jan Kiszka | * all copies or substantial portions of the Software.
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15 | 512709f5 | Jan Kiszka | *
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16 | 512709f5 | Jan Kiszka | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 512709f5 | Jan Kiszka | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 512709f5 | Jan Kiszka | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 512709f5 | Jan Kiszka | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 512709f5 | Jan Kiszka | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 512709f5 | Jan Kiszka | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 512709f5 | Jan Kiszka | * THE SOFTWARE.
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23 | 512709f5 | Jan Kiszka | */
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24 | 512709f5 | Jan Kiszka | |
25 | 512709f5 | Jan Kiszka | #ifndef QEMU_I8259_INTERNAL_H
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26 | 512709f5 | Jan Kiszka | #define QEMU_I8259_INTERNAL_H
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27 | 512709f5 | Jan Kiszka | |
28 | 512709f5 | Jan Kiszka | #include "hw.h" |
29 | 512709f5 | Jan Kiszka | #include "pc.h" |
30 | 512709f5 | Jan Kiszka | #include "isa.h" |
31 | 512709f5 | Jan Kiszka | |
32 | 512709f5 | Jan Kiszka | typedef struct PICCommonState PICCommonState; |
33 | 512709f5 | Jan Kiszka | |
34 | 8f04ee08 | Anthony Liguori | #define TYPE_PIC_COMMON "pic-common" |
35 | 8f04ee08 | Anthony Liguori | #define PIC_COMMON(obj) \
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36 | 8f04ee08 | Anthony Liguori | OBJECT_CHECK(PICCommon, (obj), TYPE_PIC_COMMON) |
37 | 8f04ee08 | Anthony Liguori | #define PIC_COMMON_CLASS(klass) \
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38 | 8f04ee08 | Anthony Liguori | OBJECT_CLASS_CHECK(PICCommonClass, (klass), TYPE_PIC_COMMON) |
39 | 8f04ee08 | Anthony Liguori | #define PIC_COMMON_GET_CLASS(obj) \
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40 | 8f04ee08 | Anthony Liguori | OBJECT_GET_CLASS(PICCommonClass, (obj), TYPE_PIC_COMMON) |
41 | 8f04ee08 | Anthony Liguori | |
42 | 8f04ee08 | Anthony Liguori | typedef struct PICCommonClass |
43 | 8f04ee08 | Anthony Liguori | { |
44 | 8f04ee08 | Anthony Liguori | ISADeviceClass parent_class; |
45 | 8f04ee08 | Anthony Liguori | void (*init)(PICCommonState *s);
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46 | 8f04ee08 | Anthony Liguori | void (*pre_save)(PICCommonState *s);
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47 | 8f04ee08 | Anthony Liguori | void (*post_load)(PICCommonState *s);
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48 | 8f04ee08 | Anthony Liguori | } PICCommonClass; |
49 | 8f04ee08 | Anthony Liguori | |
50 | 512709f5 | Jan Kiszka | struct PICCommonState {
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51 | 512709f5 | Jan Kiszka | ISADevice dev; |
52 | 512709f5 | Jan Kiszka | uint8_t last_irr; /* edge detection */
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53 | 512709f5 | Jan Kiszka | uint8_t irr; /* interrupt request register */
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54 | 512709f5 | Jan Kiszka | uint8_t imr; /* interrupt mask register */
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55 | 512709f5 | Jan Kiszka | uint8_t isr; /* interrupt service register */
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56 | 512709f5 | Jan Kiszka | uint8_t priority_add; /* highest irq priority */
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57 | 512709f5 | Jan Kiszka | uint8_t irq_base; |
58 | 512709f5 | Jan Kiszka | uint8_t read_reg_select; |
59 | 512709f5 | Jan Kiszka | uint8_t poll; |
60 | 512709f5 | Jan Kiszka | uint8_t special_mask; |
61 | 512709f5 | Jan Kiszka | uint8_t init_state; |
62 | 512709f5 | Jan Kiszka | uint8_t auto_eoi; |
63 | 512709f5 | Jan Kiszka | uint8_t rotate_on_auto_eoi; |
64 | 512709f5 | Jan Kiszka | uint8_t special_fully_nested_mode; |
65 | 512709f5 | Jan Kiszka | uint8_t init4; /* true if 4 byte init */
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66 | 512709f5 | Jan Kiszka | uint8_t single_mode; /* true if slave pic is not initialized */
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67 | 512709f5 | Jan Kiszka | uint8_t elcr; /* PIIX edge/trigger selection*/
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68 | 512709f5 | Jan Kiszka | uint8_t elcr_mask; |
69 | 512709f5 | Jan Kiszka | qemu_irq int_out[1];
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70 | 512709f5 | Jan Kiszka | uint32_t master; /* reflects /SP input pin */
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71 | 512709f5 | Jan Kiszka | uint32_t iobase; |
72 | 512709f5 | Jan Kiszka | uint32_t elcr_addr; |
73 | 512709f5 | Jan Kiszka | MemoryRegion base_io; |
74 | 512709f5 | Jan Kiszka | MemoryRegion elcr_io; |
75 | 512709f5 | Jan Kiszka | }; |
76 | 512709f5 | Jan Kiszka | |
77 | 512709f5 | Jan Kiszka | void pic_reset_common(PICCommonState *s);
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78 | 512709f5 | Jan Kiszka | |
79 | 512709f5 | Jan Kiszka | ISADevice *i8259_init_chip(const char *name, ISABus *bus, bool master); |
80 | 512709f5 | Jan Kiszka | |
81 | 512709f5 | Jan Kiszka | |
82 | 512709f5 | Jan Kiszka | #endif /* !QEMU_I8259_INTERNAL_H */ |