SYSCALL
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB), NOSPLIT, $32
	MOVQ	$CLOCK_REALTIME, DI	// arg 1 - clock_id
	LEAQ	8(SP), SI		// arg 2 - tp
	MOVL	$SYS___clock_gettime50, AX
	SYSCALL
	MOVQ	8(SP), AX		// sec
	MOVQ	16(SP), DX		// nsec

	// sec is in AX, nsec in DX
	MOVQ	AX, sec+0(FP)
	MOVL	DX, nsec+8(FP)
	RET

TEXT runtime·nanotime1(SB),NOSPLIT,$32

// Invented values to support what package os expects.
type Timeval struct {
	Sec  int32
	Usec int32
}

func (tv *Timeval) Nanoseconds() int64 {
	return (int64(tv.Sec)*1e6 + int64(tv.Usec)) * 1e3
}

func NsecToTimeval(nsec int64) (tv Timeval) {
	tv.Sec = int32(nsec / 1e9)
	tv.Usec = int32(nsec % 1e9 / 1e3)
	return
}

type SecurityAttributes struct {
	Length             uint32

	MOVD	16(R15), R12
	MOVD	R12, m_vdsoPC(R6)

return:
	// sec is in R3, nsec in R5
	// return nsec in R3
	MOVD	R3, sec+0(FP)
	MOVW	R5, nsec+8(FP)
	RET

	// Syscall fallback
fallback:
	MOVD	$tp-16(SP), R3
	MOVW	$SYS_clock_gettime, R1
	SYSCALL
	LMG		tp-16(SP), R2, R3
	// sec is in R2, nsec in R3
	MOVD	R2, sec+0(FP)
	MOVW	R3, nsec+8(FP)
	RET

TEXT runtime·nanotime1(SB),NOSPLIT,$32-8

	JALR	RA, A7

finish:
	MOV	8(X2), T0	// sec
	MOV	16(X2), T1	// nsec

	MOV	S2, X2	// restore stack
	MOV	24(X2), A2
	MOV	A2, m_vdsoPC(S3)

	MOV	32(X2), A3
	MOV	A3, m_vdsoSP(S3)

	MOV	T0, sec+0(FP)
	MOVW	T1, nsec+8(FP)
	RET

fallback:
	MOV	$8(X2), A1
	MOV	$SYS_clock_gettime, A7
	ECALL
	MOV	8(X2), T0	// sec
	MOV	16(X2), T1	// nsec
	MOV	T0, sec+0(FP)
	MOVW	T1, nsec+8(FP)

			// Fuzzing sec and nsec in a smaller range (uint32 instead of int64),
			// so that the result Unix time is a valid date and can be parsed into RFC3339 format.
			var sec, nsec uint32
			c.Fuzz(&sec)
			c.Fuzz(&nsec)
			j.CreationTimestamp = metav1.Unix(int64(sec), int64(nsec)).Rfc3339Copy()

			if j.DeletionTimestamp != nil {
				c.Fuzz(&sec)
				c.Fuzz(&nsec)

	// we cannot receive another signal.
	MOVV	16(R29), R1
	MOVV	R1, m_vdsoSP(R17)
	MOVV	8(R29), R1
	MOVV	R1, m_vdsoPC(R17)

	// sec is in R3, nsec in R5
	// return nsec in R3
	MOVV	$1000000000, R4
	MULVU	R4, R3
	MOVV	LO, R3
	ADDVU	R5, R3
	MOVV	R3, ret+0(FP)
	RET

fallback:
	MOVV	$SYS_clock_gettime, R2
	SYSCALL
	JMP	finish

	MOVL	$SYS_setitimer, AX
	SYSCALL
	RET

// func fallback_walltime() (sec int64, nsec int32)
TEXT runtime·fallback_walltime(SB), NOSPLIT, $32-12
	MOVL	$SYS_clock_gettime, AX
	MOVQ	$CLOCK_REALTIME, DI
	LEAQ	8(SP), SI
	SYSCALL
	MOVQ	8(SP), AX	// sec
	MOVQ	16(SP), DX	// nsec

	// sec is in AX, nsec in DX
	MOVQ	AX, sec+0(FP)
	MOVL	DX, nsec+8(FP)
	RET

TEXT runtime·fallback_nanotime(SB), NOSPLIT, $32-8

	// we cannot receive another signal.
	MOVL	4(SP), CX
	MOVL	CX, m_vdsoSP(SI)
	MOVL	0(SP), CX
	MOVL	CX, m_vdsoPC(SI)

	// sec is in AX, nsec in BX
	MOVL	AX, sec_lo+0(FP)
	MOVL	$0, sec_hi+4(FP)
	MOVL	BX, nsec+8(FP)
	RET

// int64 nanotime(void) so really
// void nanotime(int64 *nsec)
TEXT runtime·nanotime1(SB), NOSPLIT, $8-8
	// Switch to g0 stack. See comment above in runtime·walltime.

	MOVW	flags+0(FP), R4
	SYSCALL	$SYS_pipe2
	MOVW	R3, errno+16(FP)
	RET

// func usleep(usec uint32)
TEXT runtime·usleep(SB),NOSPLIT,$16-4
	MOVW	usec+0(FP), R3

	// Use magic constant 0x8637bd06 and shift right 51
	// to perform usec/1000000.
	MOVD	$0x8637bd06, R4
	MULLD	R3, R4, R4	// Convert usec to S.
	SRD	$51, R4, R4
	MOVD	R4, 8(R1)	// Store to tv_sec

	MOVD	$1000000, R5

	// we cannot receive another signal.
	MOVV	16(R3), R25
	MOVV	R25, m_vdsoSP(R24)
	MOVV	8(R3), R25
	MOVV	R25, m_vdsoPC(R24)

	// sec is in R7, nsec in R5
	// return nsec in R7
	MOVV	$1000000000, R4
	MULVU	R4, R7, R7
	ADDVU	R5, R7
	MOVV	R7, ret+0(FP)
	RET

fallback:
	MOVV	$SYS_clock_gettime, R11
	SYSCALL
	JMP	finish