summaryrefslogtreecommitdiffstats
path: root/meta/recipes-qt/qt4/qt4-4.8.6/0030-aarch64_arm64_qatomic_support.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-qt/qt4/qt4-4.8.6/0030-aarch64_arm64_qatomic_support.patch')
-rw-r--r--meta/recipes-qt/qt4/qt4-4.8.6/0030-aarch64_arm64_qatomic_support.patch491
1 files changed, 491 insertions, 0 deletions
diff --git a/meta/recipes-qt/qt4/qt4-4.8.6/0030-aarch64_arm64_qatomic_support.patch b/meta/recipes-qt/qt4/qt4-4.8.6/0030-aarch64_arm64_qatomic_support.patch
new file mode 100644
index 0000000000..ba4c2a6b4f
--- /dev/null
+++ b/meta/recipes-qt/qt4/qt4-4.8.6/0030-aarch64_arm64_qatomic_support.patch
@@ -0,0 +1,491 @@
1From 294010b562c9846bb2bc4ee9c63ff78adc7c1f4f Mon Sep 17 00:00:00 2001
2From: =?UTF-8?q?Lisandro=20Dami=C3=A1n=20Nicanor=20P=C3=A9rez=20Meyer?=
3 <perezmeyer@gmail.com>
4Date: Sat, 15 Mar 2014 15:40:49 -0300
5Subject: [PATCH] Add qatomic support for AArch64 (aka arm64).
6
7Patch by Mark Salter <msalter@redhat.com>
8licensed under BSD:
9
10<https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=735488#195>
11
12This patch is known to not be the most correct way
13to implement them, as it seems to be possible to do it in a faster way,
14but should work non the less until we can provide something better.
15
16Change-Id: Ib392b27dc54691fd4c2ea9896240ad71fb8128cc
17
18
19Upstream-Status: Pending
20
21Signed-off-by: Kai Kang <kai.kang@windriver.com>
22
23---
24 src/corelib/arch/aarch64/arch.pri | 4 +
25 src/corelib/arch/aarch64/qatomic_aarch64.cpp | 70 ++++++
26 src/corelib/arch/arch.pri | 4 +-
27 src/corelib/arch/qatomic_aarch64.h | 335 +++++++++++++++++++++++++++
28 src/corelib/arch/qatomic_arch.h | 2 +
29 5 files changed, 414 insertions(+), 1 deletion(-)
30 create mode 100644 src/corelib/arch/aarch64/arch.pri
31 create mode 100644 src/corelib/arch/aarch64/qatomic_aarch64.cpp
32 create mode 100644 src/corelib/arch/qatomic_aarch64.h
33
34diff --git a/src/corelib/arch/aarch64/arch.pri b/src/corelib/arch/aarch64/arch.pri
35new file mode 100644
36index 0000000..63523d9
37--- /dev/null
38+++ b/src/corelib/arch/aarch64/arch.pri
39@@ -0,0 +1,4 @@
40+#
41+# AArch64 architecture
42+#
43+SOURCES += $$QT_ARCH_CPP/qatomic_aarch64.cpp
44diff --git a/src/corelib/arch/aarch64/qatomic_aarch64.cpp b/src/corelib/arch/aarch64/qatomic_aarch64.cpp
45new file mode 100644
46index 0000000..fc851b9
47--- /dev/null
48+++ b/src/corelib/arch/aarch64/qatomic_aarch64.cpp
49@@ -0,0 +1,70 @@
50+/****************************************************************************
51+**
52+** Copyright (C) 2012, 2013 Digia Plc and/or its subsidiary(-ies).
53+** Contact: http://www.qt-project.org/legal
54+**
55+** This file is part of the QtCore module of the Qt Toolkit.
56+**
57+** $QT_BEGIN_LICENSE:LGPL$
58+** Commercial License Usage
59+** Licensees holding valid commercial Qt licenses may use this file in
60+** accordance with the commercial license agreement provided with the
61+** Software or, alternatively, in accordance with the terms contained in
62+** a written agreement between you and Digia. For licensing terms and
63+** conditions see http://qt.digia.com/licensing. For further information
64+** use the contact form at http://qt.digia.com/contact-us.
65+**
66+** GNU Lesser General Public License Usage
67+** Alternatively, this file may be used under the terms of the GNU Lesser
68+** General Public License version 2.1 as published by the Free Software
69+** Foundation and appearing in the file LICENSE.LGPL included in the
70+** packaging of this file. Please review the following information to
71+** ensure the GNU Lesser General Public License version 2.1 requirements
72+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
73+**
74+** In addition, as a special exception, Digia gives you certain additional
75+** rights. These rights are described in the Digia Qt LGPL Exception
76+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
77+**
78+** GNU General Public License Usage
79+** Alternatively, this file may be used under the terms of the GNU
80+** General Public License version 3.0 as published by the Free Software
81+** Foundation and appearing in the file LICENSE.GPL included in the
82+** packaging of this file. Please review the following information to
83+** ensure the GNU General Public License version 3.0 requirements will be
84+** met: http://www.gnu.org/copyleft/gpl.html.
85+**
86+**
87+** $QT_END_LICENSE$
88+**
89+****************************************************************************/
90+
91+#include <QtCore/qglobal.h>
92+
93+#include <unistd.h>
94+#ifdef _POSIX_PRIORITY_SCHEDULING
95+# include <sched.h>
96+#endif
97+#include <time.h>
98+
99+QT_BEGIN_NAMESPACE
100+
101+QT_USE_NAMESPACE
102+
103+Q_CORE_EXPORT void qt_atomic_yield(int *count)
104+{
105+#ifdef _POSIX_PRIORITY_SCHEDULING
106+ if ((*count)++ < 50) {
107+ sched_yield();
108+ } else
109+#endif
110+ {
111+ struct timespec tm;
112+ tm.tv_sec = 0;
113+ tm.tv_nsec = 2000001;
114+ nanosleep(&tm, NULL);
115+ *count = 0;
116+ }
117+}
118+
119+QT_END_NAMESPACE
120diff --git a/src/corelib/arch/arch.pri b/src/corelib/arch/arch.pri
121index cd23e5e..f50fca7 100644
122--- a/src/corelib/arch/arch.pri
123+++ b/src/corelib/arch/arch.pri
124@@ -31,7 +31,9 @@ integrity:HEADERS += arch/qatomic_integrity.h
125 arch/qatomic_s390.h \
126 arch/qatomic_x86_64.h \
127 arch/qatomic_sh.h \
128- arch/qatomic_sh4a.h
129+ arch/qatomic_sh4a.h \
130+ arch/qatomic_aarch64.h \
131+
132
133 QT_ARCH_CPP = $$QT_SOURCE_TREE/src/corelib/arch/$$QT_ARCH
134 DEPENDPATH += $$QT_ARCH_CPP
135diff --git a/src/corelib/arch/qatomic_aarch64.h b/src/corelib/arch/qatomic_aarch64.h
136new file mode 100644
137index 0000000..de61ca8
138--- /dev/null
139+++ b/src/corelib/arch/qatomic_aarch64.h
140@@ -0,0 +1,335 @@
141+/****************************************************************************
142+**
143+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
144+** Contact: http://www.qt-project.org/legal
145+**
146+** This file is part of the QtCore module of the Qt Toolkit.
147+**
148+** $QT_BEGIN_LICENSE:LGPL$
149+** Commercial License Usage
150+** Licensees holding valid commercial Qt licenses may use this file in
151+** accordance with the commercial license agreement provided with the
152+** Software or, alternatively, in accordance with the terms contained in
153+** a written agreement between you and Digia. For licensing terms and
154+** conditions see http://qt.digia.com/licensing. For further information
155+** use the contact form at http://qt.digia.com/contact-us.
156+**
157+** GNU Lesser General Public License Usage
158+** Alternatively, this file may be used under the terms of the GNU Lesser
159+** General Public License version 2.1 as published by the Free Software
160+** Foundation and appearing in the file LICENSE.LGPL included in the
161+** packaging of this file. Please review the following information to
162+** ensure the GNU Lesser General Public License version 2.1 requirements
163+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
164+**
165+** In addition, as a special exception, Digia gives you certain additional
166+** rights. These rights are described in the Digia Qt LGPL Exception
167+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
168+**
169+** GNU General Public License Usage
170+** Alternatively, this file may be used under the terms of the GNU
171+** General Public License version 3.0 as published by the Free Software
172+** Foundation and appearing in the file LICENSE.GPL included in the
173+** packaging of this file. Please review the following information to
174+** ensure the GNU General Public License version 3.0 requirements will be
175+** met: http://www.gnu.org/copyleft/gpl.html.
176+**
177+**
178+** $QT_END_LICENSE$
179+**
180+****************************************************************************/
181+
182+#ifndef QATOMIC_AARCH64_H
183+#define QATOMIC_AARCH64_H
184+
185+QT_BEGIN_HEADER
186+
187+QT_BEGIN_NAMESPACE
188+
189+#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE
190+
191+inline bool QBasicAtomicInt::isReferenceCountingNative()
192+{ return true; }
193+inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
194+{ return false; }
195+
196+#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE
197+
198+inline bool QBasicAtomicInt::isTestAndSetNative()
199+{ return true; }
200+inline bool QBasicAtomicInt::isTestAndSetWaitFree()
201+{ return false; }
202+
203+#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE
204+
205+inline bool QBasicAtomicInt::isFetchAndStoreNative()
206+{ return true; }
207+inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
208+{ return false; }
209+
210+#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE
211+
212+inline bool QBasicAtomicInt::isFetchAndAddNative()
213+{ return true; }
214+inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
215+{ return false; }
216+
217+#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE
218+
219+template <typename T>
220+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
221+{ return true; }
222+template <typename T>
223+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
224+{ return false; }
225+
226+#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE
227+
228+template <typename T>
229+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
230+{ return true; }
231+template <typename T>
232+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
233+{ return false; }
234+
235+#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE
236+
237+template <typename T>
238+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
239+{ return true; }
240+template <typename T>
241+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
242+{ return false; }
243+
244+#ifndef Q_DATA_MEMORY_BARRIER
245+# define Q_DATA_MEMORY_BARRIER asm volatile("dmb sy\n":::"memory")
246+#endif
247+#ifndef Q_COMPILER_MEMORY_BARRIER
248+# define Q_COMPILER_MEMORY_BARRIER asm volatile("":::"memory")
249+#endif
250+
251+inline bool QBasicAtomicInt::ref()
252+{
253+ int newValue;
254+
255+ Q_COMPILER_MEMORY_BARRIER;
256+ newValue = __atomic_add_fetch(&_q_value, 1, __ATOMIC_ACQ_REL);
257+ Q_COMPILER_MEMORY_BARRIER;
258+
259+ return newValue != 0;
260+}
261+
262+inline bool QBasicAtomicInt::deref()
263+{
264+ int newValue;
265+
266+ Q_COMPILER_MEMORY_BARRIER;
267+ newValue = __atomic_sub_fetch(&_q_value, 1, __ATOMIC_ACQ_REL);
268+ Q_COMPILER_MEMORY_BARRIER;
269+
270+ return newValue != 0;
271+}
272+
273+inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
274+{
275+ bool val;
276+
277+ Q_COMPILER_MEMORY_BARRIER;
278+ val = __atomic_compare_exchange_n (&_q_value, &expectedValue, newValue,
279+ false, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
280+ Q_COMPILER_MEMORY_BARRIER;
281+ return val;
282+}
283+
284+inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
285+{
286+ int val;
287+ Q_COMPILER_MEMORY_BARRIER;
288+ val = __atomic_exchange_n(&_q_value, newValue, __ATOMIC_RELAXED);
289+ Q_COMPILER_MEMORY_BARRIER;
290+ return val;
291+}
292+
293+inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
294+{
295+ int val;
296+ Q_COMPILER_MEMORY_BARRIER;
297+ val = __atomic_fetch_add(&_q_value, valueToAdd, __ATOMIC_RELAXED);
298+ Q_COMPILER_MEMORY_BARRIER;
299+ return val;
300+}
301+
302+template <typename T>
303+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
304+{
305+ bool val;
306+ Q_COMPILER_MEMORY_BARRIER;
307+ val = __atomic_compare_exchange_n (&_q_value, &expectedValue, newValue,
308+ false, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
309+ Q_COMPILER_MEMORY_BARRIER;
310+ return val;
311+}
312+
313+template <typename T>
314+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
315+{
316+ T *val;
317+ Q_COMPILER_MEMORY_BARRIER;
318+ val = __atomic_exchange_n(&_q_value, newValue, __ATOMIC_RELAXED);
319+ Q_COMPILER_MEMORY_BARRIER;
320+ return val;
321+}
322+
323+template <typename T>
324+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
325+{
326+ T *val;
327+ Q_COMPILER_MEMORY_BARRIER;
328+ val = __atomic_fetch_add(&_q_value, valueToAdd, __ATOMIC_RELAXED);
329+ Q_COMPILER_MEMORY_BARRIER;
330+ return val;
331+}
332+
333+inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
334+{
335+ bool returnValue = testAndSetRelaxed(expectedValue, newValue);
336+ Q_DATA_MEMORY_BARRIER;
337+ return returnValue;
338+}
339+
340+inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
341+{
342+ Q_DATA_MEMORY_BARRIER;
343+ return testAndSetRelaxed(expectedValue, newValue);
344+}
345+
346+inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
347+{
348+ Q_DATA_MEMORY_BARRIER;
349+ bool returnValue = testAndSetRelaxed(expectedValue, newValue);
350+ Q_COMPILER_MEMORY_BARRIER;
351+ return returnValue;
352+}
353+
354+inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
355+{
356+ int returnValue = fetchAndStoreRelaxed(newValue);
357+ Q_DATA_MEMORY_BARRIER;
358+ return returnValue;
359+}
360+
361+inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
362+{
363+ Q_DATA_MEMORY_BARRIER;
364+ return fetchAndStoreRelaxed(newValue);
365+}
366+
367+inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
368+{
369+ Q_DATA_MEMORY_BARRIER;
370+ int returnValue = fetchAndStoreRelaxed(newValue);
371+ Q_COMPILER_MEMORY_BARRIER;
372+ return returnValue;
373+}
374+
375+inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
376+{
377+ int returnValue = fetchAndAddRelaxed(valueToAdd);
378+ Q_DATA_MEMORY_BARRIER;
379+ return returnValue;
380+}
381+
382+inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
383+{
384+ Q_DATA_MEMORY_BARRIER;
385+ return fetchAndAddRelaxed(valueToAdd);
386+}
387+
388+inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
389+{
390+ Q_DATA_MEMORY_BARRIER;
391+ int returnValue = fetchAndAddRelaxed(valueToAdd);
392+ Q_COMPILER_MEMORY_BARRIER;
393+ return returnValue;
394+}
395+
396+template <typename T>
397+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
398+{
399+ bool returnValue = testAndSetRelaxed(expectedValue, newValue);
400+ Q_DATA_MEMORY_BARRIER;
401+ return returnValue;
402+}
403+
404+template <typename T>
405+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
406+{
407+ Q_DATA_MEMORY_BARRIER;
408+ return testAndSetRelaxed(expectedValue, newValue);
409+}
410+
411+template <typename T>
412+Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
413+{
414+ Q_DATA_MEMORY_BARRIER;
415+ bool returnValue = testAndSetAcquire(expectedValue, newValue);
416+ Q_COMPILER_MEMORY_BARRIER;
417+ return returnValue;
418+}
419+
420+template <typename T>
421+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
422+{
423+ T *returnValue = fetchAndStoreRelaxed(newValue);
424+ Q_DATA_MEMORY_BARRIER;
425+ return returnValue;
426+}
427+
428+template <typename T>
429+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
430+{
431+ Q_DATA_MEMORY_BARRIER;
432+ return fetchAndStoreRelaxed(newValue);
433+}
434+
435+template <typename T>
436+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
437+{
438+ Q_DATA_MEMORY_BARRIER;
439+ T *returnValue = fetchAndStoreRelaxed(newValue);
440+ Q_COMPILER_MEMORY_BARRIER;
441+ return returnValue;
442+}
443+
444+template <typename T>
445+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
446+{
447+ T *returnValue = fetchAndAddRelaxed(valueToAdd);
448+ Q_DATA_MEMORY_BARRIER;
449+ return returnValue;
450+}
451+
452+template <typename T>
453+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
454+{
455+ Q_DATA_MEMORY_BARRIER;
456+ return fetchAndAddRelaxed(valueToAdd);
457+}
458+
459+template <typename T>
460+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
461+{
462+ Q_DATA_MEMORY_BARRIER;
463+ T *returnValue = fetchAndAddRelaxed(valueToAdd);
464+ Q_COMPILER_MEMORY_BARRIER;
465+ return returnValue;
466+}
467+
468+#undef Q_DATA_MEMORY_BARRIER
469+#undef Q_COMPILER_MEMORY_BARRIER
470+
471+QT_END_NAMESPACE
472+
473+QT_END_HEADER
474+
475+#endif // QATOMIC_AARCH64_H
476diff --git a/src/corelib/arch/qatomic_arch.h b/src/corelib/arch/qatomic_arch.h
477index 141726c..3e96926 100644
478--- a/src/corelib/arch/qatomic_arch.h
479+++ b/src/corelib/arch/qatomic_arch.h
480@@ -94,6 +94,8 @@ QT_BEGIN_HEADER
481 # include "QtCore/qatomic_sh4a.h"
482 #elif defined(QT_ARCH_NACL)
483 # include "QtCore/qatomic_generic.h"
484+#elif defined(QT_ARCH_AARCH64)
485+# include "QtCore/qatomic_aarch64.h"
486 #else
487 # error "Qt has not been ported to this architecture"
488 #endif
489--
4902.1.0
491