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44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
--- lib/freebl/mpi/mpcpucache.c.orig 2010-06-11 22:39:33.000000000 +0200
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+++ lib/freebl/mpi/mpcpucache.c 2010-06-11 22:40:20.000000000 +0200
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@@ -705,6 +705,32 @@ s_mpi_getProcessorLineSize()
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#endif
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#if defined(__ppc64__)
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+
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+#if defined(__FreeBSD__)
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+#include <sys/stddef.h>
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+#include <sys/sysctl.h>
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+
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+#include <machine/cpu.h>
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+#include <machine/md_var.h>
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+
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+unsigned long
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+s_mpi_getProcessorLineSize()
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+{
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+ static int cacheline_size = 0;
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+ static int cachemib[] = { CTL_MACHDEP, CPU_CACHELINE };
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+ int clen;
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+
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+ if (cacheline_size > 0)
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+ return cacheline_size;
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+
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+ clen = sizeof(cacheline_size);
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+ if (sysctl(cachemib, sizeof(cachemib) / sizeof(cachemib[0]),
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+ &cacheline_size, &clen, NULL, 0) < 0 || !cacheline_size)
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+ return 128; /* guess */
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+
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+ return cacheline_size;
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+}
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+#else
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/*
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* Sigh, The PPC has some really nice features to help us determine cache
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* size, since it had lots of direct control functions to do so. The POWER
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@@ -758,6 +784,7 @@ s_mpi_getProcessorLineSize()
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}
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return 0;
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}
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+#endif
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#define MPI_GET_PROCESSOR_LINE_SIZE_DEFINED 1
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#endif
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