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Diffstat (limited to 'qtinterface/qt4/Qt/qatomic_armv6.h')
| -rw-r--r-- | qtinterface/qt4/Qt/qatomic_armv6.h | 500 |
1 files changed, 0 insertions, 500 deletions
diff --git a/qtinterface/qt4/Qt/qatomic_armv6.h b/qtinterface/qt4/Qt/qatomic_armv6.h deleted file mode 100644 index 063aa56..0000000 --- a/qtinterface/qt4/Qt/qatomic_armv6.h +++ /dev/null @@ -1,500 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation ([email protected]) -** -** 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 [email protected]. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QATOMIC_ARMV6_H -#define QATOMIC_ARMV6_H - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE -#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE - -inline bool QBasicAtomicInt::isReferenceCountingNative() -{ return true; } -inline bool QBasicAtomicInt::isReferenceCountingWaitFree() -{ return false; } - -#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE - -inline bool QBasicAtomicInt::isTestAndSetNative() -{ return true; } -inline bool QBasicAtomicInt::isTestAndSetWaitFree() -{ return false; } - -#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE - -inline bool QBasicAtomicInt::isFetchAndStoreNative() -{ return true; } -inline bool QBasicAtomicInt::isFetchAndStoreWaitFree() -{ return false; } - -#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE - -inline bool QBasicAtomicInt::isFetchAndAddNative() -{ return true; } -inline bool QBasicAtomicInt::isFetchAndAddWaitFree() -{ return false; } - -#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative() -{ return true; } -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree() -{ return false; } - -#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative() -{ return true; } -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree() -{ return false; } - -#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative() -{ return true; } -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree() -{ return false; } - -#ifndef Q_CC_RVCT - -inline bool QBasicAtomicInt::ref() -{ - register int newValue; - register int result; - asm volatile("0:\n" - "ldrex %[newValue], [%[_q_value]]\n" - "add %[newValue], %[newValue], #1\n" - "strex %[result], %[newValue], [%[_q_value]]\n" - "teq %[result], #0\n" - "bne 0b\n" - : [newValue] "=&r" (newValue), - [result] "=&r" (result), - "+m" (_q_value) - : [_q_value] "r" (&_q_value) - : "cc", "memory"); - return newValue != 0; -} - -inline bool QBasicAtomicInt::deref() -{ - register int newValue; - register int result; - asm volatile("0:\n" - "ldrex %[newValue], [%[_q_value]]\n" - "sub %[newValue], %[newValue], #1\n" - "strex %[result], %[newValue], [%[_q_value]]\n" - "teq %[result], #0\n" - "bne 0b\n" - : [newValue] "=&r" (newValue), - [result] "=&r" (result), - "+m" (_q_value) - : [_q_value] "r" (&_q_value) - : "cc", "memory"); - return newValue != 0; -} - -inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) -{ - register int result; - asm volatile("0:\n" - "ldrex %[result], [%[_q_value]]\n" - "eors %[result], %[result], %[expectedValue]\n" - "strexeq %[result], %[newValue], [%[_q_value]]\n" - "teqeq %[result], #1\n" - "beq 0b\n" - : [result] "=&r" (result), - "+m" (_q_value) - : [expectedValue] "r" (expectedValue), - [newValue] "r" (newValue), - [_q_value] "r" (&_q_value) - : "cc", "memory"); - return result == 0; -} - -inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) -{ - register int originalValue; - register int result; - asm volatile("0:\n" - "ldrex %[originalValue], [%[_q_value]]\n" - "strex %[result], %[newValue], [%[_q_value]]\n" - "teq %[result], #0\n" - "bne 0b\n" - : [originalValue] "=&r" (originalValue), - [result] "=&r" (result), - "+m" (_q_value) - : [newValue] "r" (newValue), - [_q_value] "r" (&_q_value) - : "cc", "memory"); - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) -{ - register int originalValue; - register int newValue; - register int result; - asm volatile("0:\n" - "ldrex %[originalValue], [%[_q_value]]\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - "strex %[result], %[newValue], [%[_q_value]]\n" - "teq %[result], #0\n" - "bne 0b\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - [result] "=&r" (result), - "+m" (_q_value) - : [valueToAdd] "r" (valueToAdd), - [_q_value] "r" (&_q_value) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) -{ - register T *result; - asm volatile("0:\n" - "ldrex %[result], [%[_q_value]]\n" - "eors %[result], %[result], %[expectedValue]\n" - "strexeq %[result], %[newValue], [%[_q_value]]\n" - "teqeq %[result], #1\n" - "beq 0b\n" - : [result] "=&r" (result), - "+m" (_q_value) - : [expectedValue] "r" (expectedValue), - [newValue] "r" (newValue), - [_q_value] "r" (&_q_value) - : "cc", "memory"); - return result == 0; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) -{ - register T *originalValue; - register int result; - asm volatile("0:\n" - "ldrex %[originalValue], [%[_q_value]]\n" - "strex %[result], %[newValue], [%[_q_value]]\n" - "teq %[result], #0\n" - "bne 0b\n" - : [originalValue] "=&r" (originalValue), - [result] "=&r" (result), - "+m" (_q_value) - : [newValue] "r" (newValue), - [_q_value] "r" (&_q_value) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) -{ - register T *originalValue; - register T *newValue; - register int result; - asm volatile("0:\n" - "ldrex %[originalValue], [%[_q_value]]\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - "strex %[result], %[newValue], [%[_q_value]]\n" - "teq %[result], #0\n" - "bne 0b\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - [result] "=&r" (result), - "+m" (_q_value) - : [valueToAdd] "r" (valueToAdd * sizeof(T)), - [_q_value] "r" (&_q_value) - : "cc", "memory"); - return originalValue; -} - -#else -// This is Q_CC_RVCT - -// RVCT inline assembly documentation: -// http://www.keil.com/support/man/docs/armcc/armcc_chdcffdb.htm -// RVCT embedded assembly documentation: -// http://www.keil.com/support/man/docs/armcc/armcc_chddbeib.htm - -// save our pragma state and switch to ARM mode -#pragma push -#pragma arm - -inline bool QBasicAtomicInt::ref() -{ - register int newValue; - register int result; - retry: - __asm { - ldrex newValue, [&_q_value] - add newValue, newValue, #1 - strex result, newValue, [&_q_value] - teq result, #0 - bne retry - } - return newValue != 0; -} - -inline bool QBasicAtomicInt::deref() -{ - register int newValue; - register int result; - retry: - __asm { - ldrex newValue, [&_q_value] - sub newValue, newValue, #1 - strex result, newValue, [&_q_value] - teq result, #0 - bne retry - } - return newValue != 0; -} - -inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) -{ - register int result; - retry: - __asm { - ldrex result, [&_q_value] - eors result, result, expectedValue - strexeq result, newValue, [&_q_value] - teqeq result, #1 - beq retry - } - return result == 0; -} - -inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) -{ - register int originalValue; - register int result; - retry: - __asm { - ldrex originalValue, [&_q_value] - strex result, newValue, [&_q_value] - teq result, #0 - bne retry - } - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) -{ - register int originalValue; - register int newValue; - register int result; - retry: - __asm { - ldrex originalValue, [&_q_value] - add newValue, originalValue, valueToAdd - strex result, newValue, [&_q_value] - teq result, #0 - bne retry - } - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) -{ - register T *result; - retry: - __asm { - ldrex result, [&_q_value] - eors result, result, expectedValue - strexeq result, newValue, [&_q_value] - teqeq result, #1 - beq retry - } - return result == 0; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) -{ - register T *originalValue; - register int result; - retry: - __asm { - ldrex originalValue, [&_q_value] - strex result, newValue, [&_q_value] - teq result, #0 - bne retry - } - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) -{ - register T *originalValue; - register T *newValue; - register int result; - retry: - __asm { - ldrex originalValue, [&_q_value] - add newValue, originalValue, valueToAdd * sizeof(T) - strex result, newValue, [&_q_value] - teq result, #0 - bne retry - } - return originalValue; -} - -// go back to the previous pragma state (probably Thumb mode) -#pragma pop -#endif - -// common code - -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); -} - -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); -} - -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); -} - -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); -} - -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); -} - -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_ARMV6_H |