D48579.diff
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	diff --git a/sys/arm64/include/cpufunc.h b/sys/arm64/include/cpufunc.h
	--- a/sys/arm64/include/cpufunc.h
	+++ b/sys/arm64/include/cpufunc.h
	@@ -160,6 +160,26 @@
	"isb \n");
	}

	+static __inline void
	+wfet(uint64_t val)
	+{
	+ __asm __volatile(
	+ "msr s0_3_c1_c0_0, %0\n"
	+ :
	+ : "r" ((val))
	+ : "memory");
	+}
	+
	+static __inline void
	+wfit(uint64_t val)
	+{
	+ __asm __volatile(
	+ "msr s0_3_c1_c0_1, %0\n"
	+ :
	+ : "r" ((val))
	+ : "memory");
	+}
	+
	extern bool icache_aliasing;
	extern bool icache_vmid;