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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QATOMIC_BFIN_H
+#define QATOMIC_BFIN_H
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isReferenceCountingNative()
+{ return false; }
+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isTestAndSetNative()
+{ return false; }
+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndStoreNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE
+
+inline bool QBasicAtomicInt::isFetchAndAddNative()
+{ return false; }
+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
+{ return false; }
+
+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
+{ return false; }
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
+{ return false; }
+
+#if defined(Q_OS_LINUX) && defined(Q_CC_GNU)
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include <asm/fixed_code.h>
+QT_END_INCLUDE_NAMESPACE
+
+inline bool QBasicAtomicInt::ref()
+{
+ int ret;
+ asm volatile("R0 = 1;\n\t"
+ "P0 = %3;\n\t"
+ "CALL (%2);\n\t"
+ "%0 = R0;"
+ : "=da" (ret), "=m" (_q_value)
+ : "a" (ATOMIC_ADD32), "da" (&_q_value), "m" (_q_value)
+ : "R0", "R1", "P0", "RETS", "memory");
+ return ret != 0;
+}
+
+inline bool QBasicAtomicInt::deref()
+{
+ int ret;
+ asm volatile("R0 = 1;\n\t"
+ "P0 = %3;\n\t"
+ "CALL (%2);\n\t"
+ "%0 = R0;"
+ : "=da" (ret), "=m" (_q_value)
+ : "a" (ATOMIC_SUB32), "da" (&_q_value), "m" (_q_value)
+ : "R0", "R1", "P0", "RETS", "memory");
+ return ret != 0;
+}
+
+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
+{
+ long int readval;
+ asm volatile ("P0 = %2;\n\t"
+ "R1 = %3;\n\t"
+ "R2 = %4;\n\t"
+ "CALL (%5);\n\t"
+ "%0 = R0;\n\t"
+ : "=da" (readval), "=m" (_q_value)
+ : "da" (&_q_value),
+ "da" (expectedValue),
+ "da" (newValue),
+ "a" (ATOMIC_CAS32),
+ "m" (_q_value)
+ : "P0", "R0", "R1", "R2", "RETS", "memory", "cc");
+ return readval == expectedValue;
+}
+
+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
+{
+ asm volatile("R1 = %2;\n\t"
+ "P0 = %4;\n\t"
+ "CALL (%3);\n\t"
+ "%0 = R0;"
+ : "=da" (newValue), "=m" (_q_value)
+ : "da" (newValue), "a" (ATOMIC_XCHG32), "da" (&_q_value), "m" (_q_value)
+ : "R0", "R1", "P0", "RETS", "memory");
+ return newValue;
+}
+
+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
+{
+ int ret;
+ asm volatile("R0 = %[val];\n\t"
+ "P0 = %[qvalp];\n\t"
+ "CALL (%[addr]);\n\t"
+ "%[ret] = R1;"
+ : [ret] "=da" (ret), "=m" (_q_value)
+ : [addr] "a" (ATOMIC_ADD32), [qvalp] "da" (&_q_value), "m" (_q_value), [val] "da" (valueToAdd)
+ : "R0", "R1", "P0", "RETS", "memory");
+ return ret;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
+{
+ T *readval;
+ asm volatile ("P0 = %2;\n\t"
+ "R1 = %3;\n\t"
+ "R2 = %4;\n\t"
+ "CALL (%5);\n\t"
+ "%0 = R0;\n\t"
+ : "=da" (readval), "=m" (_q_value)
+ : "da" (&_q_value),
+ "da" (expectedValue),
+ "da" (newValue),
+ "a" (ATOMIC_CAS32),
+ "m" (_q_value)
+ : "P0", "R0", "R1", "R2", "RETS", "memory", "cc");
+ return readval == expectedValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
+{
+ asm volatile("R1 = %2;\n\t"
+ "P0 = %4;\n\t"
+ "CALL (%3);\n\t"
+ "%0 = R0;"
+ : "=da" (newValue), "=m" (_q_value)
+ : "da" (newValue), "a" (ATOMIC_XCHG32), "da" (&_q_value), "m" (_q_value)
+ : "R0", "R1", "P0", "RETS", "memory");
+ return newValue;
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
+{
+ T* ret;
+ asm volatile("R0 = %[val];\n\t"
+ "P0 = %[qvalp];\n\t"
+ "CALL (%[addr]);\n\t"
+ "%[ret] = R1;"
+ : [ret] "=da" (ret), "=m" (_q_value)
+ : [addr] "a" (ATOMIC_ADD32), [qvalp] "da" (&_q_value), "m" (_q_value), [val] "da" (valueToAdd * sizeof(T))
+ : "R0", "R1", "P0", "RETS", "memory");
+ return ret;
+}
+
+
+#endif // Q_OS_LINUX && Q_CC_GNU
+
+// Test and set for integers
+
+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
+{
+ return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
+{
+ return testAndSetOrdered(expectedValue, newValue);
+}
+
+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
+{
+ return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for integers
+
+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
+{
+ return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
+{
+ return fetchAndStoreOrdered(newValue);
+}
+
+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
+{
+ return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for integers
+
+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
+{
+ return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
+{
+ return fetchAndAddOrdered(valueToAdd);
+}
+
+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
+{
+ return fetchAndAddOrdered(valueToAdd);
+}
+
+// Test and set for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
+{
+ return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
+{
+ return testAndSetOrdered(expectedValue, newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
+{
+ return testAndSetOrdered(expectedValue, newValue);
+}
+
+// Fetch and store for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
+{
+ return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
+{
+ return fetchAndStoreOrdered(newValue);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
+{
+ return fetchAndStoreOrdered(newValue);
+}
+
+// Fetch and add for pointers
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
+{
+ return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
+{
+ return fetchAndAddOrdered(valueToAdd);
+}
+
+template <typename T>
+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
+{
+ return fetchAndAddOrdered(valueToAdd);
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QATOMIC_BFIN_H