MOVD	fn+0(FP), R9
	MOVD	start+8(FP), R0
	MOVD	end+16(FP), R1

	MOVD	g_m(g), R10

	// Switch to g0 stack.
	MOVD	RSP, R19	// callee-saved, preserved across the CALL
	MOVD	m_g0(R10), R11
	CMP	R11, g
	BEQ	call	// already on g0
	MOVD	(g_sched+gobuf_sp)(R11), R12
	MOVD	R12, RSP
call:
	BL	R9
	MOVD	R19, RSP

// for more details.
// No arg size here, runtime pulls arg map out of the func value.
TEXT ·makeFuncStub(SB),(NOSPLIT|WRAPPER),$40
	NO_LOCAL_POINTERS
	MOVD	R12, 8(R15)
	MOVD	$argframe+0(FP), R3
	MOVD	R3, 16(R15)
	MOVB	$0, 40(R15)
	ADD	$40, R15, R3
	MOVD	R3, 24(R15)
	MOVD	$0, 32(R15)
	BL	·callReflect(SB)
	RET

// methodValueCall is the code half of the function returned by makeMethodValue.

TEXT ·Syscall6(SB),NOSPLIT,$0-80
	BR	syscall·Syscall6(SB)

TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
	BL	runtime·entersyscall(SB)
	MOVD	a1+8(FP), R2
	MOVD	a2+16(FP), R3
	MOVD	a3+24(FP), R4
	MOVD	$0, R5
	MOVD	$0, R6
	MOVD	$0, R7
	MOVD	trap+0(FP), R1	// syscall entry
	SYSCALL
	MOVD	R2, r1+32(FP)
	MOVD	R3, r2+40(FP)
	BL	runtime·exitsyscall(SB)
	RET

TEXT ·RawSyscall(SB),NOSPLIT,$0-56
	BR	syscall·RawSyscall(SB)

TEXT	msancall<>(SB), NOSPLIT, $0-0
	MOVD	RSP, R19                  // callee-saved
	CBZ	g, g0stack                // no g, still on a system stack
	MOVD	g_m(g), R10
	MOVD	m_g0(R10), R11
	CMP	R11, g
	BEQ	g0stack

	MOVD	(g_sched+gobuf_sp)(R11), R4
	MOVD	R4, RSP

g0stack:
	BL	(FARG)
	MOVD	R19, RSP

	MOV	X25, (8*13)(X2)
	MOV	X26, (8*14)(X2)
	MOV	g, (8*15)(X2)
	MOV	X1, (8*16)(X2)
	MOVD	F8, (8*17)(X2)
	MOVD	F9, (8*18)(X2)
	MOVD	F18, (8*19)(X2)
	MOVD	F19, (8*20)(X2)
	MOVD	F20, (8*21)(X2)
	MOVD	F21, (8*22)(X2)
	MOVD	F22, (8*23)(X2)
	MOVD	F23, (8*24)(X2)
	MOVD	F24, (8*25)(X2)
	MOVD	F25, (8*26)(X2)
	MOVD	F26, (8*27)(X2)
	MOVD	F27, (8*28)(X2)

	// Initialize Go ABI environment
	CALL	runtime·load_g(SB)

TEXT ·Syscall6(SB),NOSPLIT,$0-80
	MOVD	num+0(FP), R8	// syscall entry
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2
	MOVD	a4+32(FP), R3
	MOVD	a5+40(FP), R4
	MOVD	a6+48(FP), R5
	SVC
	CMN	$4095, R0
	BCC	ok
	MOVD	$-1, R4
	MOVD	R4, r1+56(FP)
	MOVD	ZR, r2+64(FP)
	NEG	R0, R0
	MOVD	R0, errno+72(FP)
	RET
ok:
	MOVD	R0, r1+56(FP)
	MOVD	R1, r2+64(FP)
	MOVD	ZR, errno+72(FP)

	MOVD	ZR, g

	MOVD	R0, _rt0_arm64_openbsd_lib_argc<>(SB)
	MOVD	R1, _rt0_arm64_openbsd_lib_argv<>(SB)

	// Synchronous initialization.
	MOVD	$runtime·libpreinit(SB), R4
	BL	(R4)

	// Create a new thread to do the runtime initialization and return.
	MOVD	_cgo_sys_thread_create(SB), R4
	CBZ	R4, nocgo
	MOVD	$_rt0_arm64_openbsd_lib_go(SB), R0
	MOVD	$0, R1

GLOBL ·poly1305Mask<>(SB), RODATA, $16

// func update(state *[7]uint64, msg []byte)
TEXT ·update(SB), $0-32
	MOVD state+0(FP), R3
	MOVD msg_base+8(FP), R4
	MOVD msg_len+16(FP), R5

	MOVD 0(R3), R8   // h0
	MOVD 8(R3), R9   // h1
	MOVD 16(R3), R10 // h2
	MOVD 24(R3), R11 // r0
	MOVD 32(R3), R12 // r1

	CMP R5, $16
	BLT bytes_between_0_and_15

loop:
	POLY1305_ADD(R4, R8, R9, R10, R20, R21, R22)

	MOV	X24, (8*12)(X2)
	MOV	X25, (8*13)(X2)
	MOV	X26, (8*14)(X2)
	MOV	g, (8*15)(X2)
	MOVD	F8, (8*16)(X2)
	MOVD	F9, (8*17)(X2)
	MOVD	F18, (8*18)(X2)
	MOVD	F19, (8*19)(X2)
	MOVD	F20, (8*20)(X2)
	MOVD	F21, (8*21)(X2)
	MOVD	F22, (8*22)(X2)
	MOVD	F23, (8*23)(X2)
	MOVD	F24, (8*24)(X2)
	MOVD	F25, (8*25)(X2)
	MOVD	F26, (8*26)(X2)
	MOVD	F27, (8*27)(X2)

	MOVD	ZR, g

	MOVD	R0, _rt0_arm64_netbsd_lib_argc<>(SB)
	MOVD	R1, _rt0_arm64_netbsd_lib_argv<>(SB)

	// Synchronous initialization.
	MOVD	$runtime·libpreinit(SB), R4
	BL	(R4)

	// Create a new thread to do the runtime initialization and return.
	MOVD	_cgo_sys_thread_create(SB), R4
	CBZ	R4, nocgo
	MOVD	$_rt0_arm64_netbsd_lib_go(SB), R0
	MOVD	$0, R1