Annotation of qemu/rwhandler.h, revision 1.1

1.1     ! root        1: #ifndef READ_WRITE_HANDLER_H
        !             2: #define READ_WRITE_HANDLER_H
        !             3: 
        !             4: #include "qemu-common.h"
        !             5: #include "ioport.h"
        !             6: 
        !             7: typedef struct ReadWriteHandler ReadWriteHandler;
        !             8: 
        !             9: /* len is guaranteed to be one of 1, 2 or 4, addr is guaranteed to fit in an
        !            10:  * appropriate type (io/memory/etc). They do not need to be range checked. */
        !            11: typedef void WriteHandlerFunc(ReadWriteHandler *, pcibus_t addr,
        !            12:                               uint32_t value, int len);
        !            13: typedef uint32_t ReadHandlerFunc(ReadWriteHandler *, pcibus_t addr, int len);
        !            14: 
        !            15: struct ReadWriteHandler {
        !            16:     WriteHandlerFunc *write;
        !            17:     ReadHandlerFunc *read;
        !            18: };
        !            19: 
        !            20: /* Helpers for when we want to use a single routine with length. */
        !            21: /* CPU memory handler: both read and write must be present. */
        !            22: int cpu_register_io_memory_simple(ReadWriteHandler *);
        !            23: /* io port handler: can supply only read or write handlers. */
        !            24: int register_ioport_simple(ReadWriteHandler *,
        !            25:                            pio_addr_t start, int length, int size);
        !            26: 
        !            27: #endif

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