laforge has submitted this change. ( https://gerrit.osmocom.org/c/gapk/+/33620 )
Change subject: aarch64: add get_cycles
......................................................................
aarch64: add get_cycles
borrowed from arch/arm64/include/asm/arch_timer.h
Change-Id: I489fb8346fbc7440f40695f01d80a89b90761165
---
A .checkpatch.conf
M include/osmocom/gapk/get_cycles.h
2 files changed, 22 insertions(+), 0 deletions(-)
Approvals:
Jenkins Builder: Verified
laforge: Looks good to me, approved
diff --git a/.checkpatch.conf b/.checkpatch.conf
new file mode 100644
index 0000000..58a0b87
--- /dev/null
+++ b/.checkpatch.conf
@@ -0,0 +1 @@
+--ignore NEW_TYPEDEFS
diff --git a/include/osmocom/gapk/get_cycles.h
b/include/osmocom/gapk/get_cycles.h
index 40ac570..25376a1 100644
--- a/include/osmocom/gapk/get_cycles.h
+++ b/include/osmocom/gapk/get_cycles.h
@@ -103,6 +103,16 @@
#endif
return ret & ~TICK_PRIV_BIT;
}
+#elif defined(__aarch64__)
+
+typedef unsigned long cycles_t;
+static inline cycles_t get_cycles(void)
+{
+ cycles_t cval;
+ asm volatile("isb" : : : "memory");
+ asm volatile("mrs %0, cntvct_el0" : "=r" (cval));
+ return cval;
+}
#elif defined(__PPC__)
#define CPU_FTR_601 0x00000100
typedef unsigned long cycles_t;
--
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Gerrit-Project: gapk
Gerrit-Branch: master
Gerrit-Change-Id: I489fb8346fbc7440f40695f01d80a89b90761165
Gerrit-Change-Number: 33620
Gerrit-PatchSet: 3
Gerrit-Owner: Hoernchen <[email protected]>
Gerrit-Reviewer: Hoernchen <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <[email protected]>
Gerrit-MessageType: merged
