| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
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| ** License version 2.1 as published by the Free Software Foundation and |
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| ** 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 |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QATOMIC_SH4A_H |
| #define QATOMIC_SH4A_H |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #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; } |
| |
| QT_BEGIN_NAMESPACE |
| |
| #if !defined(Q_CC_GNU) |
| # error "SH-4A support has not been added for this compiler" |
| #else |
| |
| inline bool QBasicAtomicInt::ref() |
| { |
| register int newValue asm("r0"); |
| asm volatile("0:\n" |
| "movli.l @%[_q_value], %[newValue]\n" |
| "add #1,%[newValue]\n" |
| "movco.l %[newValue], @%[_q_value]\n" |
| "bf 0b\n" |
| : [newValue] "=&r" (newValue), |
| "+m" (_q_value) |
| : [_q_value] "r" (&_q_value) |
| : "cc", "memory"); |
| return newValue != 0; |
| } |
| |
| inline bool QBasicAtomicInt::deref() |
| { |
| register int newValue asm("r0"); |
| asm volatile("0:\n" |
| "movli.l @%[_q_value], %[newValue]\n" |
| "add #-1,%[newValue]\n" |
| "movco.l %[newValue], @%[_q_value]\n" |
| "bf 0b\n" |
| : [newValue] "=&r" (newValue), |
| "+m" (_q_value) |
| : [_q_value] "r" (&_q_value) |
| : "cc", "memory"); |
| return newValue != 0; |
| } |
| |
| inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) |
| { |
| register int 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" |
| "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; |
| } |
| |
| inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) |
| { |
| register int 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; |
| } |
| |
| inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) |
| { |
| register int 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; |
| } |
| |
| inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) |
| { |
| return testAndSetAcquire(expectedValue, newValue); |
| } |
| |
| inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue) |
| { |
| register int 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; |
| } |
| |
| inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) |
| { |
| register int 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; |
| } |
| |
| inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) |
| { |
| register int 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; |
| } |
| |
| inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) |
| { |
| return fetchAndStoreAcquire(newValue); |
| } |
| |
| inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd) |
| { |
| register int 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) |
| : "r0", "cc", "memory"); |
| return originalValue; |
| } |
| |
| inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) |
| { |
| register int 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) |
| : "r0", "cc", "memory"); |
| return originalValue; |
| } |
| |
| inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) |
| { |
| register int 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) |
| : "r0", "cc", "memory"); |
| return originalValue; |
| } |
| |
| inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) |
| { |
| return fetchAndAddAcquire(valueToAdd); |
| } |
| |
| template <typename T> |
| Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(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" |
| "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>::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 |