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Annotation of qemu/hw/i8259_internal.h, revision 1.1

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

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