5e37bc4997
Set I8257 instances parent (migration isn't affected). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20240213114426.87836-1-philmd@linaro.org>
51 lines
957 B
C
51 lines
957 B
C
#ifndef HW_I8257_H
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#define HW_I8257_H
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#include "hw/isa/isa.h"
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#include "exec/ioport.h"
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#include "qom/object.h"
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#define TYPE_I8257 "i8257"
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OBJECT_DECLARE_SIMPLE_TYPE(I8257State, I8257)
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typedef struct I8257Regs {
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int now[2];
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uint16_t base[2];
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uint8_t mode;
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uint8_t page;
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uint8_t pageh;
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uint8_t dack;
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uint8_t eop;
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IsaDmaTransferHandler transfer_handler;
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void *opaque;
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} I8257Regs;
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struct I8257State {
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/* <private> */
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ISADevice parent_obj;
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/* <public> */
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int32_t base;
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int32_t page_base;
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int32_t pageh_base;
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int32_t dshift;
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uint8_t status;
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uint8_t command;
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uint8_t mask;
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uint8_t flip_flop;
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I8257Regs regs[4];
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MemoryRegion channel_io;
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MemoryRegion cont_io;
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QEMUBH *dma_bh;
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bool dma_bh_scheduled;
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int running;
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PortioList portio_page;
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PortioList portio_pageh;
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};
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void i8257_dma_init(Object *parent, ISABus *bus, bool high_page_enable);
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#endif
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