funnyos/sys/bus.h - diff

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version 1.5, 2007/10/16 21:40:47

version 1.6, 2007/10/16 21:41:35

Line 11

* Device drivers attached to bus aquire bus_handle to perform all bus i/o.

struct bus_handle {

struct device *bh_ownerdd; /* devdata of device that owns this handler XXX kill that it is ugly */

void *bh_ownerdd; /* devdata of device that owns this handler XXX kill that it is ugly */

uint8_t (*bus_read_1)(void *ddp, uint32_t addr);

uint16_t (*bus_read_2)(void *ddp, uint32_t addr);

uint32_t (*bus_read_4)(void *ddp, uint32_t addr);