qt6-qtbase/qt6-qtbase-add-sw64-support.patch

From 39e21f564099f9ffe02643f8f02119168263c5dd Mon Sep 17 00:00:00 2001
From: mahailiang <mahailiang@uniontech.com>
Date: Tue, 12 Nov 2024 09:53:31 +0800
Subject: [PATCH] add sw64 support

---
 .../double-conversion/utils.h                 |  2 +-
 src/3rdparty/forkfd/forkfd_linux.c            |  2 +-
 src/3rdparty/sha3/brg_endian.h                |  1 +
 src/corelib/global/archdetect.cpp             |  2 ++
 src/corelib/global/qprocessordetection.h      |  2 ++
 src/corelib/io/qfilesystemwatcher_inotify.cpp |  4 +++
 src/corelib/plugin/qelfparser_p.cpp           |  3 ++
 src/gui/image/qimage.cpp                      |  4 +++
 src/testlib/3rdparty/cycle_p.h                | 35 +++++++++++++++++++
 9 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/src/3rdparty/double-conversion/double-conversion/utils.h b/src/3rdparty/double-conversion/double-conversion/utils.h
index 4f4dd71b..4c4fdde7 100644
--- a/src/3rdparty/double-conversion/double-conversion/utils.h
+++ b/src/3rdparty/double-conversion/double-conversion/utils.h
@@ -139,7 +139,7 @@ int main(int argc, char** argv) {
     defined(__ARMEL__) || defined(__avr32__) || defined(_M_ARM) || defined(_M_ARM64) || \
     defined(__hppa__) || defined(__ia64__) || \
     defined(__mips__) || \
-    defined(__loongarch__) || \
+    defined(__loongarch__) || defined(__sw_64__) \
     defined(__nios2__) || defined(__ghs) || \
     defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__) || \
     defined(_POWER) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \
diff --git a/src/3rdparty/forkfd/forkfd_linux.c b/src/3rdparty/forkfd/forkfd_linux.c
index cc7af6cb..cd86496b 100644
--- a/src/3rdparty/forkfd/forkfd_linux.c
+++ b/src/3rdparty/forkfd/forkfd_linux.c
@@ -85,7 +85,7 @@ static int sys_clone(unsigned long cloneflags, int *ptid)
 #elif defined(__arc__) || defined(__arm__) || defined(__aarch64__) || defined(__mips__) || \
     defined(__nds32__) || defined(__hppa__) || defined(__powerpc__) || defined(__i386__) || \
     defined(__x86_64__) || defined(__xtensa__) || defined(__alpha__) || defined(__riscv) || \
-    defined(__loongarch__)
+    defined(__loongarch__) || defined(__sw_64__)
     /* ctid and newtls are inverted on CONFIG_CLONE_BACKWARDS architectures,
      * but since both values are 0, there's no harm. */
     return syscall(__NR_clone, cloneflags, child_stack, ptid, ctid, newtls);
diff --git a/src/3rdparty/sha3/brg_endian.h b/src/3rdparty/sha3/brg_endian.h
index 9bb306e6..e3907596 100644
--- a/src/3rdparty/sha3/brg_endian.h
+++ b/src/3rdparty/sha3/brg_endian.h
@@ -105,6 +105,7 @@ Changes for ARM 9/9/2010 [Downstream relative to Gladman's GitHub, upstream to Q
 #if !defined(PLATFORM_BYTE_ORDER)
 
 #if   defined( __alpha__ ) || defined( __alpha ) || defined( i386 )       || \
+#if   defined( __sw_64__ ) || defined( __sw_64 ) || \
       defined( __i386__ )  || defined( _M_I86 )  || defined( _M_IX86 )    || \
       defined( __OS2__ )   || defined( sun386 )  || defined( __TURBOC__ ) || \
       defined( vax )       || defined( vms )     || defined( VMS )        || \
diff --git a/src/corelib/global/archdetect.cpp b/src/corelib/global/archdetect.cpp
index 6a1e110a..5e16e1fe 100644
--- a/src/corelib/global/archdetect.cpp
+++ b/src/corelib/global/archdetect.cpp
@@ -7,6 +7,8 @@
 // main part: processor type
 #if defined(Q_PROCESSOR_ALPHA)
 #  define ARCH_PROCESSOR "alpha"
+#elif defined(Q_PROCESSOR_SW_64)
+#  define ARCH_PROCESSOR "sw_64"
 #elif defined(Q_PROCESSOR_ARM_32)
 #  define ARCH_PROCESSOR "arm"
 #elif defined(Q_PROCESSOR_ARM_64)
diff --git a/src/corelib/global/qprocessordetection.h b/src/corelib/global/qprocessordetection.h
index f7298bbb..781476a1 100644
--- a/src/corelib/global/qprocessordetection.h
+++ b/src/corelib/global/qprocessordetection.h
@@ -55,6 +55,8 @@
 #  define Q_PROCESSOR_ALPHA
 // Q_BYTE_ORDER not defined, use endianness auto-detection
 
+#elif defined(__sw_64__) || defined(_M_SW_64)
+#  define Q_PROCESSOR_SW_64
 /*
     ARM family, known revisions: V5, V6, V7, V8
 
diff --git a/src/corelib/io/qfilesystemwatcher_inotify.cpp b/src/corelib/io/qfilesystemwatcher_inotify.cpp
index 3b53b490..493bc5c8 100644
--- a/src/corelib/io/qfilesystemwatcher_inotify.cpp
+++ b/src/corelib/io/qfilesystemwatcher_inotify.cpp
@@ -55,6 +55,10 @@
 # define __NR_inotify_add_watch 285
 # define __NR_inotify_rm_watch  286
 # define __NR_inotify_init1     324
+#elif defined (__sw_64__)
+# define __NR_inotify_init      444
+# define __NR_inotify_add_watch 445
+# define __NR_inotify_rm_watch  446
 #elif defined (__alpha__)
 # define __NR_inotify_init      444
 # define __NR_inotify_add_watch 445
diff --git a/src/corelib/plugin/qelfparser_p.cpp b/src/corelib/plugin/qelfparser_p.cpp
index ffc4a14b..7b8749eb 100644
--- a/src/corelib/plugin/qelfparser_p.cpp
+++ b/src/corelib/plugin/qelfparser_p.cpp
@@ -109,6 +109,8 @@ struct ElfMachineCheck
             // nothing
 #elif defined(Q_PROCESSOR_ALPHA)
             EM_ALPHA
+#elif defined(Q_PROCESSOR_SW_64)
+            EM_SW_64
 #elif defined(Q_PROCESSOR_ARM_32)
             EM_ARM
 #elif defined(Q_PROCESSOR_ARM_64)
@@ -380,6 +382,7 @@ Q_DECL_UNUSED Q_DECL_COLD_FUNCTION static QDebug &operator<<(QDebug &d, ElfHeade
     // list definitely not exhaustive!
     case EM_NONE:       d << ", no machine"; break;
     case EM_ALPHA:      d << ", Alpha"; break;
+    case EM_SW_64:      d << ", SW_64"; break;
     case EM_68K:        d << ", MC68000"; break;
     case EM_ARM:        d << ", ARM"; break;
     case EM_AARCH64:    d << ", AArch64"; break;
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 71367f6d..bc8c84df 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -53,6 +53,10 @@ using namespace Qt::StringLiterals;
 // for valid QImage's, where height() cannot be 0. Therefore disable the warning.
 QT_WARNING_DISABLE_MSVC(4723)
 
+#if defined(Q_CC_DEC) && defined(__sw_64) && (__DECCXX_VER-0 >= 50190001)
+#pragma message disable narrowptr
+#endif
+
 #if defined(Q_CC_DEC) && defined(__alpha) && (__DECCXX_VER-0 >= 50190001)
 #pragma message disable narrowptr
 #endif
diff --git a/src/testlib/3rdparty/cycle_p.h b/src/testlib/3rdparty/cycle_p.h
index 95e741a8..4d933e10 100644
--- a/src/testlib/3rdparty/cycle_p.h
+++ b/src/testlib/3rdparty/cycle_p.h
@@ -405,6 +405,26 @@ INLINE_ELAPSED(__inline__)
 
 #define HAVE_TICK_COUNTER
 #endif
+/*----------------------------------------------------------------*/
+#if defined(__GNUC__) && defined(__sw_64__) && !defined(HAVE_TICK_COUNTER)
+/*
+ * The 32-bit cycle counter on sw_64 overflows pretty quickly,
+ * unfortunately.  A 1GHz machine overflows in 4 seconds.
+ */
+typedef unsigned int CycleCounterTicks;
+
+static __inline__ CycleCounterTicks getticks(void)
+{
+     unsigned long cc;
+     __asm__ __volatile__ ("rtc %0" : "=r"(cc));
+     return (cc & 0xFFFFFFFF);
+}
+
+INLINE_ELAPSED(__inline__)
+
+#define HAVE_TICK_COUNTER
+#endif
+
 /*----------------------------------------------------------------*/
 #if defined(__GNUC__) && defined(__alpha__) && !defined(HAVE_TICK_COUNTER)
 /*
@@ -441,6 +461,21 @@ INLINE_ELAPSED(__inline__)
 #define HAVE_TICK_COUNTER
 #endif
 
+#if (defined(__DECC) || defined(__DECCXX)) && defined(__sw_64) && defined(HAVE_C_ASM_H) && !defined(HAVE_TICK_COUNTER)
+#  include <c_asm.h>
+typedef unsigned int CycleCounterTicks;
+
+static __inline CycleCounterTicks getticks(void)
+{
+     unsigned long cc;
+     cc = asm("rtc %v0");
+     return (cc & 0xFFFFFFFF);
+}
+
+INLINE_ELAPSED(__inline)
+
+#define HAVE_TICK_COUNTER
+#endif
 /*----------------------------------------------------------------*/
 #if (defined(__DECC) || defined(__DECCXX)) && defined(__alpha) && defined(HAVE_C_ASM_H) && !defined(HAVE_TICK_COUNTER)
 #  include <c_asm.h>
-- 
2.33.0