shithub: riscv

ref: 15d1425b276495a82621a8d075176a59a512cdf3
dir: /sys/src/ape/lib/ap/arm/main9p.s/

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arg=0
sp=13
sb=12
lr=14

GLOBL	_tos(SB), $4

TEXT	_mainp(SB), 1, $0
	SUB	$8, R(sp)
	MOVW	$setR12(SB), R(sb)
	MOVW	R(arg), _tos(SB)

	MOVW	$_profmain(SB), R(arg)
	MOVW	$0, R(lr)
	B	_callmain(SB)

	MOVW	$_div(SB), R(arg)	/* force loading of div */

TEXT	_saveret(SB), 1, $0
TEXT	_savearg(SB), 1, $0
	RET

TEXT	_callpc(SB), 1, $-4
	MOVW	0(R13), R(arg)
	RET