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Diffstat (limited to 'lang/pocl/files/patch-lib_CL_devices_cpuinfo.c')
-rw-r--r--lang/pocl/files/patch-lib_CL_devices_cpuinfo.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/lang/pocl/files/patch-lib_CL_devices_cpuinfo.c b/lang/pocl/files/patch-lib_CL_devices_cpuinfo.c
new file mode 100644
index 000000000000..1b7ce29b8034
--- /dev/null
+++ b/lang/pocl/files/patch-lib_CL_devices_cpuinfo.c
@@ -0,0 +1,90 @@
+--- lib/CL/devices/cpuinfo.c.orig 2016-11-20 11:31:19.521203000 +0100
++++ lib/CL/devices/cpuinfo.c 2016-11-20 11:29:24.502817000 +0100
+@@ -31,9 +31,13 @@
+ # include "vccompat.hpp"
+ #endif
+
++#include <sys/types.h>
++#include <sys/sysctl.h>
++
+ #include "config.h"
+ #include "cpuinfo.h"
+
++#if 0
+ const char* cpuinfo = "/proc/cpuinfo";
+ #define MAX_CPUINFO_SIZE 64*1024
+ //#define DEBUG_POCL_CPUINFO
+@@ -152,8 +156,29 @@ pocl_cpuinfo_detect_max_clock_frequency(
+ }
+ return -1;
+ }
++#endif
++
++/**
++ * Detects the number of parallel hardware threads supported by
++ * the CPU.
++ *
++ * @return The number of hardware threads.
++ */
++ int
++pocl_cpuinfo_detect_compute_unit_count()
++{
++ int mib[2], nocpus;
++ size_t len;
+
++ mib[0] = CTL_HW;
++ mib[1] = HW_NCPU;
++ len = sizeof(nocpus);
++ sysctl(mib, 2, &nocpus, &len, NULL, 0);
+
++ return nocpus;
++}
++
++#if 0
+ /**
+ * Detects the number of parallel hardware threads supported by
+ * the CPU by parsing the cpuinfo.
+@@ -231,6 +256,27 @@ pocl_cpuinfo_detect_compute_unit_count()
+ }
+ return -1;
+ }
++#endif
++
++/**
++ * Detects the maximum clock frequency of the CPU.
++ *
++ * Assumes all cores have the same max clock freq.
++ *
++ * @return The clock frequency in MHz.
++ */
++int
++pocl_cpuinfo_detect_max_clock_frequency()
++{
++ //XXX PLEASE NOTE, THIS IS NOT TOO PORTABLE (AND/OR ACCURATE)!
++ const char mib[] = "hw.clockrate";
++ size_t size = sizeof(int);
++ int clockrate;
++
++ sysctlbyname(mib, (void *)&clockrate, &size, NULL, 0);
++
++ return clockrate;
++ }
+
+ #ifdef POCL_ANDROID
+
+@@ -269,6 +315,7 @@ pocl_cpuinfo_get_cpu_name_and_vendor(cl_
+ * short_name is in the .data anyways.*/
+ device->long_name = device->short_name;
+
++#if 0
+ /* default vendor and vendor_id, in case it cannot be found by other means */
+ device->vendor = cpuvendor_default;
+ if (device->vendor_id == 0)
+@@ -317,6 +364,7 @@ pocl_cpuinfo_get_cpu_name_and_vendor(cl_
+ char *new_name = (char*)malloc (len);
+ snprintf (new_name, len, "%s-%s", device->short_name, start);
+ device->long_name = new_name;
++#endif
+
+ }
+