MOVL	$SYS__lwp_create, AX
	INT	$0x80
	JCC	2(PC)
	NEGL	AX
	MOVL	AX, ret+12(FP)
	RET

TEXT runtime·lwp_tramp(SB),NOSPLIT,$0

	// Set FS to point at m->tls
	LEAL	m_tls(BX), BP
	PUSHAL				// save registers
	PUSHL	BP
	CALL	lwp_setprivate<>(SB)
	POPL	AX
	POPAL

	// Now segment is established. Initialize m, g.
	get_tls(AX)
	MOVL	DX, g(AX)
	MOVL	BX, g_m(DX)

	MOVL	AX, m_procid(BX)	// save tid as m->procid

	// set up ldt 7+id to point at m->tls.
	LEAL	m_tls(BX), BP
	MOVL	m_id(BX), DI
	ADDL	$7, DI	// m0 is LDT#7. count up.
	// setldt(tls#, &tls, sizeof tls)
	PUSHAL	// save registers
	PUSHL	$32	// sizeof tls
	PUSHL	BP	// &tls
	PUSHL	DI	// tls #
	CALL	runtime·setldt(SB)
	POPL	AX
	POPL	AX
	POPL	AX
	POPAL

	// Now segment is established. Initialize m, g.

// Called by OS using C ABI.
TEXT runtime·thr_start(SB),NOSPLIT,$0
	NOP	SP	// tell vet SP changed - stop checking offsets
	MOVL	4(SP), AX // m
	MOVL	m_g0(AX), BX
	LEAL	m_tls(AX), BP
	MOVL	m_id(AX), DI
	ADDL	$7, DI
	PUSHAL
	PUSHL	$32
	PUSHL	BP
	PUSHL	DI
	CALL	runtime·setldt(SB)
	POPL	AX
	POPL	AX
	POPL	AX
	POPAL
	get_tls(CX)
	MOVL	BX, g(CX)

	MOVL	AX, g_m(BX)
	CALL	runtime·stackcheck(SB)		// smashes AX

	"PSUBSW",
	"PSUBUSB",
	"PSUBUSW",
	"PSUBW",
	"PTEST",
	"PUNPCKHBW",
	"PUNPCKHLQ",
	"PUNPCKHQDQ",
	"PUNPCKHWL",
	"PUNPCKLBW",
	"PUNPCKLLQ",
	"PUNPCKLQDQ",
	"PUNPCKLWL",
	"PUSHAL",
	"PUSHAW",
	"PUSHFL",
	"PUSHFQ",
	"PUSHFW",
	"PUSHL",
	"PUSHQ",
	"PUSHW",
	"PXOR",
	"QUAD",
	"RCLB",
	"RCLL",
	"RCLQ",
	"RCLW",
	"RCPPS",
	"RCPSS",
	"RCRB",