48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
--- include/my_cpu.h.orig 2021-09-27 13:32:48 UTC
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+++ include/my_cpu.h
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@@ -23,7 +23,8 @@
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The defines are the same ones used by the linux kernel
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*/
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-#ifdef _ARCH_PWR8
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+#if defined(_ARCH_PWR8)
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+#if defined(linux)
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#include <sys/platform/ppc.h>
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/* Very low priority */
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#define HMT_very_low() __ppc_set_ppr_very_low()
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@@ -37,6 +38,22 @@
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#define HMT_medium_high() __ppc_set_ppr_med_high()
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/* High priority */
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#define HMT_high() asm volatile("or 3,3,3")
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+#elif defined(__FreeBSD__)
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+#include <sys/types.h>
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+#include <sys/sysctl.h>
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+/* Very low priority */
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+#define HMT_very_low() __asm__ volatile ("or 31,31,31")
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+/* Low priority */
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+#define HMT_low() __asm__ volatile ("or 1,1,1")
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+/* Medium low priority */
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+#define HMT_medium_low() __asm__ volatile ("or 6,6,6")
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+/* Medium priority */
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+#define HMT_medium() __asm__ volatile ("or 2,2,2")
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+/* Medium high priority */
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+#define HMT_medium_high() __asm__ volatile ("or 5,5,5")
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+/* High priority */
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+#define HMT_high() asm volatile("or 3,3,3")
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+#endif
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#else
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#define HMT_very_low()
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#define HMT_low()
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@@ -81,7 +98,12 @@ static inline void MY_RELAX_CPU(void)
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__asm__ __volatile__ ("pause");
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#endif
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#elif defined(_ARCH_PWR8)
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+#if defined(linux)
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__ppc_get_timebase();
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+#elif defined(__FreeBSD__)
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+ uint64_t __tb;
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+ __asm__ volatile ("mfspr %0, 268" : "=r" (__tb));
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+#endif
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#elif defined __GNUC__ && (defined __arm__ || defined __aarch64__)
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/* Mainly, prevent the compiler from optimizing away delay loops */
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#ifdef _aarch64_
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