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authorYuri Victorovich <yuri@FreeBSD.org>2020-06-15 02:53:07 +0000
committerYuri Victorovich <yuri@FreeBSD.org>2020-06-15 02:53:07 +0000
commit2fa0cd5e9dd1aab0fc9fe66b4390a58200ee79fa (patch)
treeef6570bf3d2db92364d6598056e54f09556bae73 /science/qbox/files/patch-readTSC.cpp
parentcad/veroroute: Update 1.94 -> 1.96 (diff)
Update science/qbox: 1.71.2 -> 1.71.3
Reported by: portscout
Diffstat (limited to 'science/qbox/files/patch-readTSC.cpp')
-rw-r--r--science/qbox/files/patch-readTSC.cpp25
1 files changed, 25 insertions, 0 deletions
diff --git a/science/qbox/files/patch-readTSC.cpp b/science/qbox/files/patch-readTSC.cpp
new file mode 100644
index 000000000000..b10b8ac4e62e
--- /dev/null
+++ b/science/qbox/files/patch-readTSC.cpp
@@ -0,0 +1,25 @@
+--- readTSC.cpp.orig 2019-02-27 09:30:27 UTC
++++ readTSC.cpp
+@@ -19,10 +19,22 @@
+ long long readTSC(void)
+ {
+ union { long long complete; unsigned int part[2]; } ticks;
++#ifdef __amd64__
+ __asm__ ("rdtsc; mov %%eax,%0;mov %%edx,%1"
+ : "=mr" (ticks.part[0]),
+ "=mr" (ticks.part[1])
+ : /* no inputs */
+ : "eax", "edx");
++#elif __powerpc__
++ unsigned int tmp;
++ __asm__ ("0:"
++ "mftbu %[hi32]\n"
++ "mftb %[lo32]\n"
++ "mftbu %[tmp]\n"
++ "cmpw %[tmp],%[hi32]\n"
++ "bne 0b\n"
++ : [hi32] "=r"(ticks.part[0]), [lo32] "=r"(ticks.part[1]),
++ [tmp] "=r"(tmp));
++#endif
+ return ticks.complete;
+ }