qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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or-irq.h (1726B)


      1 /*
      2  * QEMU IRQ/GPIO common code.
      3  *
      4  * Copyright (c) 2016 Alistair Francis <alistair@alistair23.me>.
      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 HW_OR_IRQ_H
     26 #define HW_OR_IRQ_H
     27 
     28 #include "hw/sysbus.h"
     29 #include "qom/object.h"
     30 
     31 #define TYPE_OR_IRQ "or-irq"
     32 
     33 /* This can safely be increased if necessary without breaking
     34  * migration compatibility (as long as it remains greater than 15).
     35  */
     36 #define MAX_OR_LINES      48
     37 
     38 typedef struct OrIRQState qemu_or_irq;
     39 
     40 DECLARE_INSTANCE_CHECKER(qemu_or_irq, OR_IRQ,
     41                          TYPE_OR_IRQ)
     42 
     43 struct OrIRQState {
     44     DeviceState parent_obj;
     45 
     46     qemu_irq out_irq;
     47     bool levels[MAX_OR_LINES];
     48     uint16_t num_lines;
     49 };
     50 
     51 #endif