mirror of
https://github.com/pvvx/rtl00TstMinAmebaV35a.git
synced 2024-11-22 17:54:14 +00:00
343 lines
6.9 KiB
C
343 lines
6.9 KiB
C
/******************************************************************************
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*
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* Name: sys-support.h - System type support for Linux
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* $Revision: 1.1.1.1 $
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*
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*****************************************************************************/
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#ifndef __OS_SUPPORT_H__
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#define __OS_SUPPORT_H__
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#include <FreeRTOS.h>
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#include <basic_types.h>
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#include "os_support.h"
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//#include "diag.h"
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#if 0
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#define __init
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#define __exit
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#define __devinit
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#define __devexit
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#endif
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#define RTL_HZ 100
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#define SemaInit(sem, value) vSemaphoreCreateBinary(sem)
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#define SemaPost(sem) xSemaphoreGive(sem)
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#define SemaWait(sem, block_time) xSemaphoreTake(sem, block_time)
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//#define printk DiagPrintf
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#define SpinLockInit(lock) do { } while (0)
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#define SpinLock(x) do { } while (0)
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#define SpinUnlock(x) do { } while (0)
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#define SpinLockBh(x) do { } while (0)
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#define SpinUnlockBh(x) do { } while (0)
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#ifdef PLATFORM_FREERTOS
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#define RestoreFlags() portEXIT_CRITICAL()
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#define SaveAndCli() portENTER_CRITICAL()
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#define SpinLockIrqSave(lock, flags) SaveAndCli()
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#define SpinUnlockIrqRestore(l, f) RestoreFlags()
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#else
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#define RestoreFlags(x) portENABLE_INTERRUPTS()
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#define SaveAndCli(x) portDISABLE_INTERRUPTS()
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#define SpinLockIrqSave(lock, flags) SaveAndCli(flags)
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#define SpinUnlockIrqRestore(l, f) RestoreFlags(f)
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#endif
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//#define RtlKmalloc(size, flag) pvPortMallocAligned(size, 0)
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#define RtlKmalloc(size, flag) pvPortMalloc(size)
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#define RtlKfree(pv) vPortFreeAligned(pv)
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#ifdef CONFIG_TIMER_MODULE
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#define __Delay(t) HalDelayUs(t)
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#else
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static __inline__ u32 __Delay(u32 us)
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{
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DBG_8195A("No Delay: please enable hardware Timer\n");
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}
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#endif
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#define Mdelay(t) __Delay(t*1000)
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#define Udelay(t) __Delay(t)
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#define ASSERT(_bool_) do { } while (0)
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//#define panic_printk DiagPrintf
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//#define sprintf DiagPrintf
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//#define diag_sprintf DiagPrintf
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//1TODO: Need check again; the below just for compile ok ; chris
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/*
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* ATOMIC_READ - read atomic variable
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* @v: pointer of type atomic_t
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*
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* Atomically reads the value of @v. Note that the guaranteed
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* useful range of an atomic_t is only 24 bits.
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*/
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//#define AtomicRead(v) ((*v))
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static __inline__ u32
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AtomicRead(
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IN atomic_t * v
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)
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{
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#ifdef PLATFORM_FREERTOS
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u32 Temp;
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SaveAndCli();
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Temp = v->counter;
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RestoreFlags();
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return Temp;
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#else
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u32 Temp, Flags;
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SaveAndCli(Flags);
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Temp = v->counter;
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RestoreFlags(Flags);
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return Temp;
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#endif
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}
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/*
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* ATOMIC_SET - set atomic variable
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* @v: pointer of type atomic_t
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* @i: required value
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*
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* Atomically sets the value of @v to @i. Note that the guaranteed
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* useful range of an atomic_t is only 24 bits.
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*/
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//#define AtomicSet(v,i) ((v)->counter = (i))
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static __inline__ VOID
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AtomicSet(
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IN u32 i,
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IN atomic_t * v
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)
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{
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#ifdef PLATFORM_FREERTOS
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SaveAndCli();
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v->counter = i;
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RestoreFlags();
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#else
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u32 Flags;
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SaveAndCli(Flags);
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v->counter = i;
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RestoreFlags(Flags);
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#endif
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}
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/*
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* The MIPS I implementation is only atomic with respect to
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* interrupts. R3000 based multiprocessor machines are rare anyway ...
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*
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* AtomicAdd - add integer to atomic variable
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* @i: integer value to add
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* @v: pointer of type atomic_t
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*
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* Atomically adds @i to @v. Note that the guaranteed useful range
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* of an atomic_t is only 24 bits.
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*/
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static __inline__ VOID
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AtomicAdd(
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IN u32 i,
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IN atomic_t * v
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)
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{
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#ifdef PLATFORM_FREERTOS
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SaveAndCli();
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v->counter += i;
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RestoreFlags();
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#else
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u32 Flags;
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SaveAndCli(Flags);
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v->counter += i;
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RestoreFlags(Flags);
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#endif
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}
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/*
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* AtomicSub - subtract the atomic variable
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* @i: integer value to subtract
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* @v: pointer of type atomic_t
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*
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* Atomically subtracts @i from @v. Note that the guaranteed
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* useful range of an atomic_t is only 24 bits.
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*/
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static __inline__ void
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AtomicSub(
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IN u32 i,
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IN atomic_t * v
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)
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{
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#ifdef PLATFORM_FREERTOS
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SaveAndCli();
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v->counter -= i;
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RestoreFlags();
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#else
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u32 Flags;
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SaveAndCli(Flags);
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v->counter -= i;
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RestoreFlags(Flags);
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#endif
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}
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static __inline__ u32
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AtomicAddReturn(
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IN u32 i,
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IN atomic_t * v
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)
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{
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#ifdef PLATFORM_FREERTOS
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u32 Temp;
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SaveAndCli();
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Temp = v->counter;
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Temp += i;
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v->counter = Temp;
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RestoreFlags();
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return Temp;
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#else
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u32 Temp, Flags;
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SaveAndCli(Flags);
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Temp = v->counter;
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Temp += i;
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v->counter = Temp;
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RestoreFlags(Flags);
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return Temp;
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#endif
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}
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static __inline__ u32
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AtomicSubReturn(
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IN u32 i,
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IN atomic_t * v
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)
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{
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#ifdef PLATFORM_FREERTOS
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u32 Temp;
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SaveAndCli();
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Temp = v->counter;
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Temp -= i;
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v->counter = Temp;
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RestoreFlags();
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return Temp;
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#else
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u32 Temp, Flags;
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SaveAndCli(Flags);
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Temp = v->counter;
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Temp -= i;
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v->counter = Temp;
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RestoreFlags(Flags);
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return Temp;
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#endif
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}
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/*
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* ATOMIC_INC - increment atomic variable
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* @v: pointer of type atomic_t
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*
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* Atomically increments @v by 1. Note that the guaranteed
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* useful range of an atomic_t is only 24 bits.
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*/
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#define AtomicInc(v) AtomicAdd(1,(v))
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#define AtomicIncReturn(v) AtomicAddReturn(1,(v))
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/*
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* ATOMIC_DEC - decrement and test
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* @v: pointer of type atomic_t
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*
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* Atomically decrements @v by 1. Note that the guaranteed
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* useful range of an atomic_t is only 24 bits.
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*/
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#define AtomicDec(v) AtomicSub(1,(v))
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#define AtomicDecReturn(v) AtomicSubReturn(1,(v))
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/*
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* ATOMIC_DEC_AND_TEST - decrement by 1 and test
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* @v: pointer of type atomic_t
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*
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* Atomically decrements @v by 1 and
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* returns true if the result is 0, or false for all other
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* cases. Note that the guaranteed
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* useful range of an atomic_t is only 24 bits.
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*/
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#define AtomicDecAndTest(v) (AtomicSubReturn(1, (v)) == 0)
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/* Not needed on 64bit architectures */
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static __inline__ u32
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__Div64_32(
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IN __uint64_t *n,
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IN u32 base
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)
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{
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__uint64_t rem = *n;
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__uint64_t b = base;
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__uint64_t res, d = 1;
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u32 high = rem >> 32;
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/* Reduce the thing a bit first */
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res = 0;
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if (high >= base) {
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high /= base;
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res = (__uint64_t) high << 32;
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rem -= (__uint64_t) (high*base) << 32;
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}
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while ((__int64_t)b > 0 && b < rem) {
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b = b+b;
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d = d+d;
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}
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do {
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if (rem >= b) {
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rem -= b;
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res += d;
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}
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b >>= 1;
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d >>= 1;
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} while (d);
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*n = res;
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return rem;
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}
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#define DO_DIV(n,base) ({ \
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unsigned int __base = (base); \
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unsigned int __rem; \
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(void)(((typeof((n)) *)0) == ((__uint64_t *)0)); \
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if (((n) >> 32) == 0) { \
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__rem = (unsigned int)(n) % __base; \
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(n) = (unsigned int)(n) / __base; \
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} else \
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__rem = __Div64_32(&(n), __base); \
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__rem; \
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})
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#endif /* __SYS_SUPPORT_H__ */
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