1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
--- include/my_cpu.h.orig 2021-09-27 13:32:48 UTC
+++ include/my_cpu.h
@@ -23,7 +23,8 @@
The defines are the same ones used by the linux kernel
*/
-#ifdef _ARCH_PWR8
+#if defined(_ARCH_PWR8)
+#if defined(linux)
#include <sys/platform/ppc.h>
/* Very low priority */
#define HMT_very_low() __ppc_set_ppr_very_low()
@@ -37,6 +38,22 @@
#define HMT_medium_high() __ppc_set_ppr_med_high()
/* High priority */
#define HMT_high() asm volatile("or 3,3,3")
+#elif defined(__FreeBSD__)
+#include <sys/types.h>
+#include <sys/sysctl.h>
+/* Very low priority */
+#define HMT_very_low() __asm__ volatile ("or 31,31,31")
+/* Low priority */
+#define HMT_low() __asm__ volatile ("or 1,1,1")
+/* Medium low priority */
+#define HMT_medium_low() __asm__ volatile ("or 6,6,6")
+/* Medium priority */
+#define HMT_medium() __asm__ volatile ("or 2,2,2")
+/* Medium high priority */
+#define HMT_medium_high() __asm__ volatile ("or 5,5,5")
+/* High priority */
+#define HMT_high() asm volatile("or 3,3,3")
+#endif
#else
#define HMT_very_low()
#define HMT_low()
@@ -81,7 +98,12 @@ static inline void MY_RELAX_CPU(void)
__asm__ __volatile__ ("pause");
#endif
#elif defined(_ARCH_PWR8)
+#if defined(linux)
__ppc_get_timebase();
+#elif defined(__FreeBSD__)
+ uint64_t __tb;
+ __asm__ volatile ("mfspr %0, 268" : "=r" (__tb));
+#endif
#elif defined __GNUC__ && (defined __arm__ || defined __aarch64__)
/* Mainly, prevent the compiler from optimizing away delay loops */
#ifdef _aarch64_
|
