shithub: riscv

ref: 03852d94083a33e0b10762c2225f2015f23c49d5
dir: /sys/src/ape/lib/ap/amd64/cycles.s/

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TEXT _cycles(SB),1,$0				/* time stamp counter; cycles since power up */
	RDTSC
	MOVL	AX, 0(RARG)			/* lo */
	MOVL	DX, 4(RARG)			/* hi */
	RET