mirror of https://gitee.com/openkylin/qemu.git
27 lines
919 B
C
27 lines
919 B
C
#ifndef HW_ISA_H
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#define HW_ISA_H
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/* ISA bus */
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extern target_phys_addr_t isa_mem_base;
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int register_ioport_read(int start, int length, int size,
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IOPortReadFunc *func, void *opaque);
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int register_ioport_write(int start, int length, int size,
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IOPortWriteFunc *func, void *opaque);
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void isa_unassign_ioport(int start, int length);
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void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);
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/* dma.c */
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int DMA_get_channel_mode (int nchan);
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int DMA_read_memory (int nchan, void *buf, int pos, int size);
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int DMA_write_memory (int nchan, void *buf, int pos, int size);
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void DMA_hold_DREQ (int nchan);
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void DMA_release_DREQ (int nchan);
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void DMA_schedule(int nchan);
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void DMA_init (int high_page_enable);
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void DMA_register_channel (int nchan,
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DMA_transfer_handler transfer_handler,
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void *opaque);
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#endif
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