sparc/sparc/bsd_fdintr.s

80 	ldub	[%l6 + %lo(AUXREG_VA) + 3], %l7;	\
81 	or	%l7, AUXIO4C_MB1|AUXIO4C_FTC, %l7;	\
82 	stb	%l7, [%l6 + %lo(AUXREG_VA) + 3];
85 	ldub	[%l6 + %lo(AUXREG_VA) + 3], %l7;	\
86 	andn	%l7, AUXIO4C_FTC, %l7;			\
87 	or	%l7, AUXIO4C_MB1, %l7;			\
88 	stb	%l7, [%l6 + %lo(AUXREG_VA) + 3];
93 	ldub	[%l6 + %lo(AUXREG_VA) + 3], %l7;	\
94 	or	%l7, AUXIO4M_MB1|AUXIO4M_FTC, %l7;	\
95 	stb	%l7, [%l6 + %lo(AUXREG_VA) + 3];
147 /* use %l6 and %l7 as short-term temporaries */
166 	set	save_l, %l7
167 	std	%l0, [%l7]
168 	st	%l2, [%l7 + 8]
171 	INCR64X(CPUINFO_VA+CPUINFO_NINTR, %l4, %l5, %l7)
174 	sethi	%hi(_C_LABEL(fdciop)), %l7
175 	ld	[%l7 + %lo(_C_LABEL(fdciop))], R_fdc
179 	addcc	%l7, 1, %l7
188 	ld	[R_fdc + FDC_REG_HANDLE], %l7	! get chip registers bus handle
190 	add	R_msr, %l7, R_msr
192 	add	R_fifo, %l7, R_fifo
194 	!!add	R_dor, %l7, R_dor
197 	ld	[R_fdc + FDC_ITASK], %l7	! get task from fdc
198 	cmp	%l7, FDC_ITASK_SENSEI
201 	cmp	%l7, FDC_ITASK_RESULT
204 	cmp	%l7, FDC_ITASK_DMA
206 	 mov	FDC_ISTATUS_SPURIOUS, %l7	! set status and post sw intr
212 	ldub	[R_msr], %l7			! get MSR value
214 	btst	NE7_RQM, %l7			! room in fifo?
216 	 btst	NE7_NDM, %l7			! execution finished?
236 0:	btst	NE7_DIO, %l7			! IO direction
239 	ldub	[R_fifo], %l7			! reading:
241 	stb	%l7, [R_buf]			!    *fdc->sc_bufp = *reg_fifo
244 	ldub	[R_buf], %l7			! writing:
245 	stb	%l7, [R_fifo]			!    *reg_fifo = *fdc->sc_bufp
249 	 ldub	[R_msr], %l7			! get MSR value
263 	ldub	[R_msr], %l7
267 	 mov	FDC_ISTATUS_ERROR, %l7		! and post sw interrupt
268 	and	%l7, (NE7_RQM | NE7_DIO | NE7_CB), %l7
269 	cmp	%l7, NE7_RQM
271 	 ldub	[R_msr], %l7
272 	mov	NE7CMD_SENSEI, %l7
273 	stb	%l7, [R_fifo]
278 	mov	-1, %l7
279 	st	%l7, [R_fdc + FDC_NSTAT]	! fdc->sc_nstat = -1;
283 	ldub	[R_msr], %l7
287 	 mov	FDC_ISTATUS_ERROR, %l7		! and post sw interrupt
288 	and	%l7, (NE7_RQM | NE7_DIO | NE7_CB), %l7
289 	cmp	%l7, NE7_RQM
291 	cmp	%l7, (NE7_RQM | NE7_DIO | NE7_CB)
293 	 ldub	[R_msr], %l7
297 	ldub	[R_fifo], %l7			! load the status byte
298 	stb	%l7, [R_stat]
302 	 ldub	[R_msr], %l7
307 	mov	FDC_ISTATUS_DONE, %l7
311 	! enter here with status in %l7
313 	st	%l7, [R_fdc + FDC_ISTATUS]
320 	set	save_l, %l7
321 	ldd	[%l7], %l0
324 	ld	[%l7 + 8], %l2