2007-08-31 01:59:49 +04:00
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/*
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* Copyright 2007, Haiku Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* JiSheng Zhang
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*/
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#ifndef _FW_GLUE_H
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#define _FW_GLUE_H
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#include <stdint.h>
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#include <dpc.h>
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#define device_printf(dev, a...) dprintf("firewire:" a)
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#define printf(a...) dprintf(a)
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#define KASSERT(cond,msg) do { \
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if (!cond) \
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panic msg; \
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} while(0)
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#ifndef howmany
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#define howmany(x, y) (((x)+((y)-1))/(y)) // x/y的上界
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#endif
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#define rounddown(x, y) (((x)/(y))*(y)) // 比x小，y的最大的倍数
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#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ // 比x大，y的最小倍数
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#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
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#define powerof2(x) ((((x)-1)&(x))==0) // 是否是2的次方
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typedef uint32_t bus_addr_t;
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typedef uint32_t bus_size_t;
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2008-04-26 19:02:43 +04:00
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#define atomic_readandclear_int(ptr) atomic_set((int32 *)(ptr), 0)
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#define atomic_set_int(ptr, value) atomic_or((int32 *)(ptr), value)
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2007-08-31 01:59:49 +04:00
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#define mtx_lock benaphore_lock
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#define mtx_unlock benaphore_unlock
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#define mtx_destroy benaphore_destroy
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#define mtx_init(lockaddr, name, type, opts) benaphore_init(lockaddr, name)
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#define splfw() 0
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#define splx(s)
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#define hz 1000000LL
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#define DELAY(n) snooze(n)
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#define OWRITE(sc, offset, value) (*(volatile uint32 *)((char *)(sc->regAddr) + (offset)) = value)
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#define OREAD(sc, offset) (*(volatile uint32 *)((char *)(sc->regAddr) + (offset)))
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#define MAX_CARDS 4
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extern dpc_module_info *gDpc;
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#define __offsetof(type, field) ((size_t)(&((type *)0)->field))
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#endif /*_FW_GLUE_H*/
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