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Rev 1789 Rev 1790
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memcpy:
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memcpy:
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memcpy_from_uspace:
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memcpy_from_uspace:
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memcpy_to_uspace:
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memcpy_to_uspace:
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	.register       %g2, #scratch
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        .register       %g3, #scratch
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	add	%o1, 7, %g1
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	and	%g1, -8, %g1
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	cmp	%o1, %g1
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	be,pn	%xcc, 3f
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	add	%o0, 7, %g1
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	mov	0, %g3
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0:
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	brz,pn	%o2, 2f
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	mov	0, %g2
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1:
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	ldub	[%g3 + %o1], %g1
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	add	%g2, 1, %g2
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	cmp	%o2, %g2
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	stb	%g1, [%g3 + %o0]
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	bne,pt	%xcc, 1b
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	mov	%g2, %g3
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2:
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	jmp	%o7 + 8			! exit point
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	mov	%o1, %o0
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3:
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	and	%g1, -8, %g1
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	cmp	%o0, %g1
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	bne,pt	%xcc, 0b
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	mov	0, %g3
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	srlx	%o2, 3, %g4
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	brz,pn	%g4, 5f
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	mov	0, %g5
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4:
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	sllx	%g3, 3, %g2
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	add	%g5, 1, %g3
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	ldx	[%o1 + %g2], %g1
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	mov	%g3, %g5
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	cmp	%g4, %g3
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	bne,pt	%xcc, 4b
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	stx	%g1, [%o0 + %g2]
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5:
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	and	%o2, 7, %o2
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	brz,pn	%o2, 2b
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	sllx	%g4, 3, %g1
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	mov	0, %g2
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	add	%g1, %o0, %o0
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	add	%g1, %o1, %g4
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	mov	0, %g3
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6:
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	ldub	[%g2 + %g4], %g1
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	stb	%g1, [%g2 + %o0]
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	add	%g3, 1, %g2
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	cmp	%o2, %g2
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	bne,pt	%xcc, 6b
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	mov	%g2, %g3
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	b _memcpy
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	jmp	%o7 + 8			! exit point
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	nop
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	mov	%o1, %o0
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memcpy_from_uspace_failover_address:
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memcpy_from_uspace_failover_address:
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memcpy_to_uspace_failover_address:
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memcpy_to_uspace_failover_address:
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	b memcpy_from_uspace_failover_address
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	jmp	%o7 + 8			! exit point
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	nop
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	mov	%g0, %o0		! return 0 on failure
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memsetb:
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memsetb:
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	b _memsetb
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	b _memsetb
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	nop
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	nop
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.global ofw
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ofw:
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	save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
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	set ofw_cif, %l0
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	ldx [%l0], %l0
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	rdpr  %pstate, %l1
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	and  %l1, ~PSTATE_AM_BIT, %l2
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	wrpr  %l2, 0, %pstate
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	jmpl %l0, %o7
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	mov %i0, %o0
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	wrpr  %l1, 0, %pstate
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	ret
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	restore %o0, 0, %o0
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