shithub: riscv

ref: 38ea1ac105f4484f02bba3bfbc790ebe4f18f016
dir: /sys/src/ape/lib/ap/mips/main9p.s/

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#define NPRIVATES	16

GLOBL	_tos(SB), $4
GLOBL	_errnoloc(SB), $4
GLOBL	_plan9err(SB), $4
GLOBL	_privates(SB), $4
GLOBL	_nprivates(SB), $4

TEXT	_mainp(SB), 1, $(16+4+128+NPRIVATES*4)
	MOVW	$setR30(SB), R30

	/* _tos = arg */
	MOVW	R1, _tos(SB)

	MOVW	$16(R29), R1
	MOVW	R1, _errnoloc(SB)
	ADDU	$4, R1
	MOVW	R1, _plan9err(SB)
	ADDU	$128, R1
	MOVW	R1, _privates(SB)
	MOVW	$NPRIVATES, R1
	MOVW	R1, _nprivates(SB)

	/* _profmain(); */
	JAL	_profmain(SB)

	/* _tos->prof.pp = _tos->prof.next; */
	MOVW	_tos+0(SB),R1
	MOVW	4(R1),R2
	MOVW	R2,(R1)

	JAL	_envsetup(SB)

	/* main(argc, argv, environ); */
	MOVW	inargc-4(FP), R1
	MOVW	$inargv+0(FP), R2
	MOVW	environ(SB), R3
	MOVW	R1, 4(R29)
	MOVW	R2, 8(R29)
	MOVW	R3, 12(R29)
	JAL	main(SB)
loop:
	MOVW	R1, 4(R29)
	JAL	exit(SB)
	MOVW	$_profin(SB), R0	/* force loading of profile */
	JMP	loop

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

TEXT	_callpc(SB), 1, $0
	MOVW	argp-4(FP), R1
	RET