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538 lines
18 KiB
538 lines
18 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QATOMIC_SH4A_H
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#define QATOMIC_SH4A_H
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_END_NAMESPACE
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QT_END_HEADER
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#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isReferenceCountingNative()
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{ return true; }
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inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
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{ return false; }
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#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isTestAndSetNative()
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{ return true; }
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inline bool QBasicAtomicInt::isTestAndSetWaitFree()
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{ return false; }
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#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isFetchAndStoreNative()
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{ return true; }
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inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
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{ return false; }
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#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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inline bool QBasicAtomicInt::isFetchAndAddNative()
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{ return true; }
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inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
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{ return false; }
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#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
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{ return true; }
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
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{ return false; }
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#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
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{ return true; }
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
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{ return false; }
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#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
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{ return true; }
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
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{ return false; }
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QT_BEGIN_NAMESPACE
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#if !defined(Q_CC_GNU)
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# error "SH-4A support has not been added for this compiler"
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#else
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inline bool QBasicAtomicInt::ref()
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{
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register int newValue asm("r0");
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asm volatile("0:\n"
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"movli.l @%[_q_value], %[newValue]\n"
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"add #1,%[newValue]\n"
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"movco.l %[newValue], @%[_q_value]\n"
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"bf 0b\n"
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: [newValue] "=&r" (newValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value)
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: "cc", "memory");
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return newValue != 0;
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}
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inline bool QBasicAtomicInt::deref()
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{
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register int newValue asm("r0");
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asm volatile("0:\n"
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"movli.l @%[_q_value], %[newValue]\n"
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"add #-1,%[newValue]\n"
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"movco.l %[newValue], @%[_q_value]\n"
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"bf 0b\n"
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: [newValue] "=&r" (newValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value)
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: "cc", "memory");
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return newValue != 0;
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}
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inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
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{
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register int result;
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asm volatile("0:\n"
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"movli.l @%[_q_value], r0\n"
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"xor %[expectedValue], r0\n"
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"cmp/eq #0, r0\n"
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"bf/s 0f\n"
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"mov r0, %[result]\n"
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"mov %[newValue], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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"0:\n"
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: [result] "=&r" (result),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[expectedValue] "r" (expectedValue),
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[newValue] "r" (newValue)
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: "r0", "cc", "memory");
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return result == 0;
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}
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inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
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{
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register int result;
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asm volatile("0:\n"
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"movli.l @%[_q_value], r0\n"
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"xor %[expectedValue], r0\n"
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"cmp/eq #0, r0\n"
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"bf/s 0f\n"
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"mov r0, %[result]\n"
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"mov %[newValue], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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"synco\n"
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"0:\n"
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: [result] "=&r" (result),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[expectedValue] "r" (expectedValue),
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[newValue] "r" (newValue)
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: "r0", "cc", "memory");
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return result == 0;
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}
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inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
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{
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register int result;
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asm volatile("synco\n"
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"0:\n"
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"movli.l @%[_q_value], r0\n"
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"xor %[expectedValue], r0\n"
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"cmp/eq #0, r0\n"
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"bf/s 0f\n"
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"mov r0, %[result]\n"
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"mov %[newValue], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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"0:\n"
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: [result] "=&r" (result),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[expectedValue] "r" (expectedValue),
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[newValue] "r" (newValue)
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: "r0", "cc", "memory");
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return result == 0;
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}
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inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
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{
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return testAndSetAcquire(expectedValue, newValue);
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}
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inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
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{
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register int originalValue;
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asm volatile("0:\n"
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"movli.l @%[_q_value], r0\n"
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"mov r0, %[originalValue]\n"
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"mov %[newValue], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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: [originalValue] "=&r" (originalValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[newValue] "r" (newValue)
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: "r0", "cc", "memory");
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return originalValue;
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}
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inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
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{
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register int originalValue;
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asm volatile("0:\n"
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"movli.l @%[_q_value], r0\n"
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"mov r0, %[originalValue]\n"
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"mov %[newValue], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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"synco\n"
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: [originalValue] "=&r" (originalValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[newValue] "r" (newValue)
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: "r0", "cc", "memory");
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return originalValue;
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}
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inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
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{
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register int originalValue;
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asm volatile("synco\n"
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"0:\n"
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"movli.l @%[_q_value], r0\n"
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"mov r0, %[originalValue]\n"
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"mov %[newValue], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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: [originalValue] "=&r" (originalValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[newValue] "r" (newValue)
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: "r0", "cc", "memory");
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return originalValue;
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}
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inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
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{
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return fetchAndStoreAcquire(newValue);
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}
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inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
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{
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register int originalValue;
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asm volatile("0:\n"
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"movli.l @%[_q_value], r0\n"
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"mov r0, %[originalValue]\n"
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"add %[valueToAdd], r0\n"
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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: [originalValue] "=&r" (originalValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[valueToAdd] "r" (valueToAdd)
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: "r0", "cc", "memory");
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return originalValue;
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}
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inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
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{
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register int originalValue;
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asm volatile("0:\n"
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"movli.l @%[_q_value], r0\n"
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"mov r0, %[originalValue]\n"
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|
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"add %[valueToAdd], r0\n"
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|
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"movco.l r0, @%[_q_value]\n"
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"bf 0b\n"
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"synco\n"
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: [originalValue] "=&r" (originalValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[valueToAdd] "r" (valueToAdd)
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: "r0", "cc", "memory");
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return originalValue;
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}
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inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
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{
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register int originalValue;
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asm volatile("synco\n"
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"0:\n"
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"movli.l @%[_q_value], r0\n"
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|
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"mov r0, %[originalValue]\n"
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|
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"add %[valueToAdd], r0\n"
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|
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"movco.l r0, @%[_q_value]\n"
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|
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"bf 0b\n"
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: [originalValue] "=&r" (originalValue),
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"+m" (_q_value)
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: [_q_value] "r" (&_q_value),
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[valueToAdd] "r" (valueToAdd)
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||
|
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: "r0", "cc", "memory");
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return originalValue;
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}
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inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
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||
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{
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return fetchAndAddAcquire(valueToAdd);
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}
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template <typename T>
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Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
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||
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{
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register T *result;
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asm volatile("0:\n"
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||
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"movli.l @%[_q_value], r0\n"
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|
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"xor %[expectedValue], r0\n"
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|
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"cmp/eq #0, r0\n"
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|
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"bf/s 0f\n"
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||
|
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"mov r0, %[result]\n"
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|
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"mov %[newValue], r0\n"
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||
|
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"movco.l r0, @%[_q_value]\n"
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|
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"bf 0b\n"
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|
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"0:\n"
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|
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: [result] "=&r" (result),
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|
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"+m" (_q_value)
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||
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: [_q_value] "r" (&_q_value),
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||
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[expectedValue] "r" (expectedValue),
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||
|
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[newValue] "r" (newValue)
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||
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: "r0", "cc", "memory");
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||
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return result == 0;
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||
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}
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||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
register T *result;
|
||
|
|
asm volatile("0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"xor %[expectedValue], r0\n"
|
||
|
|
"cmp/eq #0, r0\n"
|
||
|
|
"bf/s 0f\n"
|
||
|
|
"mov r0, %[result]\n"
|
||
|
|
"mov %[newValue], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
"synco\n"
|
||
|
|
"0:\n"
|
||
|
|
: [result] "=&r" (result),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[expectedValue] "r" (expectedValue),
|
||
|
|
[newValue] "r" (newValue)
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return result == 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
register T *result;
|
||
|
|
asm volatile("synco\n"
|
||
|
|
"0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"xor %[expectedValue], r0\n"
|
||
|
|
"cmp/eq #0, r0\n"
|
||
|
|
"bf/s 0f\n"
|
||
|
|
"mov r0, %[result]\n"
|
||
|
|
"mov %[newValue], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
"0:\n"
|
||
|
|
: [result] "=&r" (result),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[expectedValue] "r" (expectedValue),
|
||
|
|
[newValue] "r" (newValue)
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return result == 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
|
||
|
|
{
|
||
|
|
return testAndSetAcquire(expectedValue, newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
|
||
|
|
{
|
||
|
|
register T *originalValue;
|
||
|
|
asm volatile("0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"mov r0, %[originalValue]\n"
|
||
|
|
"mov %[newValue], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
: [originalValue] "=&r" (originalValue),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[newValue] "r" (newValue)
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return originalValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
|
||
|
|
{
|
||
|
|
register T *originalValue;
|
||
|
|
asm volatile("0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"mov r0, %[originalValue]\n"
|
||
|
|
"mov %[newValue], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
"synco\n"
|
||
|
|
: [originalValue] "=&r" (originalValue),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[newValue] "r" (newValue)
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return originalValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
|
||
|
|
{
|
||
|
|
register T *originalValue;
|
||
|
|
asm volatile("synco\n"
|
||
|
|
"0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"mov r0, %[originalValue]\n"
|
||
|
|
"mov %[newValue], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
: [originalValue] "=&r" (originalValue),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[newValue] "r" (newValue)
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return originalValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
|
||
|
|
{
|
||
|
|
return fetchAndStoreAcquire(newValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
register T *originalValue;
|
||
|
|
asm volatile("0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"mov r0, %[originalValue]\n"
|
||
|
|
"add %[valueToAdd], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
: [originalValue] "=&r" (originalValue),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[valueToAdd] "r" (valueToAdd * sizeof(T))
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return originalValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
register T *originalValue;
|
||
|
|
asm volatile("0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"mov r0, %[originalValue]\n"
|
||
|
|
"add %[valueToAdd], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
"synco\n"
|
||
|
|
: [originalValue] "=&r" (originalValue),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[valueToAdd] "r" (valueToAdd * sizeof(T))
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return originalValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
register T *originalValue;
|
||
|
|
asm volatile("synco\n"
|
||
|
|
"0:\n"
|
||
|
|
"movli.l @%[_q_value], r0\n"
|
||
|
|
"mov r0, %[originalValue]\n"
|
||
|
|
"add %[valueToAdd], r0\n"
|
||
|
|
"movco.l r0, @%[_q_value]\n"
|
||
|
|
"bf 0b\n"
|
||
|
|
: [originalValue] "=&r" (originalValue),
|
||
|
|
"+m" (_q_value)
|
||
|
|
: [_q_value] "r" (&_q_value),
|
||
|
|
[valueToAdd] "r" (valueToAdd * sizeof(T))
|
||
|
|
: "r0", "cc", "memory");
|
||
|
|
return originalValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
|
||
|
|
{
|
||
|
|
return fetchAndAddAcquire(valueToAdd);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // Q_CC_GNU
|
||
|
|
|
||
|
|
#endif // QATOMIC_SH4A_H
|