sun4/ml/interrupt.s

217 	mov	ls2, %o2;						\
350  *		%o2       = pil
363  *		%o2       = cpu
370 	mov	%o2, %l1
377 	ldn	[THREAD_REG + T_CPU], %o2	! delay - load CPU pointer
415 	lduh	[%o2 + CPU_DIVISOR], %l2	! delay -- %l2 = clock divisor
426 	ldx	[%o2 + %l3], %o5	! old counter in o5
428 	stx	%o5, [%o2 + %l3]	! store new counter
431 	lduh	[%o2 + CPU_MSTATE], %l3
434 	add	%l3, %o2, %l3
453 	ldn	[%o2 + CPU_INTR_THREAD], %o3	! interrupt thread pool
455 	stn	%o4, [%o2 + CPU_INTR_THREAD]
459 	ld	[%o2 + CPU_INTR_ACTV], %o5
480 	st	%o5, [%o2 + CPU_INTR_ACTV]
503 	stn	%o3, [%o2 + CPU_THREAD]		! set new thread
532 	ld	[%o2 + CPU_FTRACE_STATE], %o4	! %o2 = curthread->t_cpu
542 	mov	%i1, %o2
551 	SERVE_INTR_PRE(%o1, %o2, %l1, %l3, %o4, %o5, %o3, %o0)
556 	SERVE_INTR(%o1, %o2, %l1, %l3, %o4, %o5, %o3, %o0)
607 	lduh	[%o2 + CPU_DIVISOR], %o0	! delay -- %o0 = clock divisor
621 	add	%o1, %o2, %o1
632 	lduh	[%o2 + CPU_MSTATE], %o1
635 	add	%o1, %o2, %o1
662 	lduh	[%o2 + CPU_FLAGS], %o5		! don't preempt if quiesced
669 	ldub	[%o2 + CPU_INTRCNT], %o5	! delay - %o5 = cpu_intrcnt
673 	stub	%o5, [%o2 + CPU_INTRCNT]	! delay annul - inc CPU_INTRCNT
680 	stub	%o4, [%o2 + CPU_KPRUNRUN]
681 	ldx	[%o2 + CPU_STATS_SYS_INTRUNPIN], %o4
683 	stx	%o4, [%o2 + CPU_STATS_SYS_INTRUNPIN]
685 	stub	%o5, [%o2 + CPU_INTRCNT]	! delay
688 	ldub	[%o2 + CPU_KPRUNRUN], %o5
692 	mov	%o2, %l3			! delay - save %o2
695 	mov	%l3, %o2			! restore %o2
703 	ld	[%o2 + CPU_INTR_ACTV], %o5	! delay annulled
708 	ld	[%o2 + CPU_BASE_SPL], %o4
712 	SERVE_INTR_NEXT(%o1, %o2, %l1, %l3, %o4, %o5, %o3, %o0)
739 	st	%o5, [%o2 + CPU_INTR_ACTV]
751 	ldn	[%o2 + CPU_INTR_THREAD], %o3
753 	stn	THREAD_REG, [%o2 + CPU_INTR_THREAD]
762 	stn	%o4, [%o2 + CPU_THREAD]
791 	stub	%g0, [%o2 + CPU_INTRCNT]	! delay annul
825 	ld	[%o2 + CPU_BASE_SPL], %o5
834         ldx	[%o2 + CPU_STATS_SYS_INTRBLK], %o4
836         stx	%o4, [%o2 + CPU_STATS_SYS_INTRBLK]
848 	ld	[%o2 + CPU_INTR_ACTV], %o5
865 	ld	[%o2 + CPU_INTR_ACTV], %o5	! delay - load active mask
875 	ldn	[%o2 + CPU_INTR_THREAD], %o5	! get list pointer
878 	stn	THREAD_REG, [%o2 + CPU_INTR_THREAD] ! delay - put thread on list
904  *		%o2       = pil
940 	sub	%o2, LOCK_LEVEL + 1, %o5
943 	stn	%l2, [%o3 + %o4]	! save onfault label for pil %o2
945 	stn	%l3, [%o3 + %o4]	! save lofault data for pil %o2
952 	sub	%o2, LOCK_LEVEL + 1, %o5
955 	stn	%l2, [%o3 + %o4]	! save on_trap label for pil %o2
962 	sll	%o4, %o2, %o4			! construct mask for level
993 	! o2 = PIL of this interrupt
1003 	sub	%o2, LOCK_LEVEL + 2, %o4
1139 	! ASSERT(%o2 > LOCK_LEVEL)
1141 	cmp	%o2, LOCK_LEVEL
1146 	call	cmn_err				! %o2 has the %pil already
1152         sub     %o2, LOCK_LEVEL + 1, %o4	! convert PIL to array index
1159 	wrpr	%g0, %o2, %pil			! enable interrupts
1164 	SERVE_INTR_PRE(%o1, %o3, %l2, %l3, %o4, %o5, %o2, %o0)
1166 	SERVE_INTR(%o1, %o3, %l2, %l3, %o4, %o5, %o2, %o0)
1168 	brz,a,pt %o2, 0f			! if %o2, more intrs await
1169 	rdpr	%pil, %o2			! delay annulled
1170 	SERVE_INTR_NEXT(%o1, %o3, %l2, %l3, %o4, %o5, %o2, %o0)
1176 	cmp	%o2, PIL_15
1200 	cmp	%o2, PIL_14
1210 	! %o2 = PIL
1220 	sll	%o5, %o2, %o5
1242         sub     %o2, LOCK_LEVEL + 1, %o4	! PIL to array index
1271 	sllx	%o2, 4, %o4			! PIL index to byte offset
1294 	! o2 = PIL
1314 	sub	%o2, LOCK_LEVEL + 2, %o5
1355 	sub	%o2, LOCK_LEVEL + 1, %o4
1383 	wrpr	%g0, %o2, %pil			! enable interrupts
1512 	set	(TICK_INT_MASK | STICK_INT_MASK), %o2
1513 	andcc	%l1, %o2, %g0
1517 	CPU_ADDR(%o1, %o2)
1940 	ldn	[THREAD_REG + T_CPU], %o2	! load CPU pointer
1941 	ld	[%o2 + CPU_INTR_ACTV], %o5	! load active interrupts mask
1945  *	%o2 = pointer to CPU
1976 	st	%o3, [%o2 + CPU_BASE_SPL]	! delay - store base priority
2025 	ldn	[%i2 + (10*GREGSIZE)], %o2
2047 	stn	%o2, [%i3 + STACK_BIAS + (10*GREGSIZE)]
2157 	lduh	[THREAD_REG + T_FLAGS], %o2
2158 	andcc	%o2, T_INTR_THREAD, %g0
2180 	! %o2 = scratch
2193 	RD_CLOCK_TICK_NO_SUSPEND_CHECK(%o2, %o0)
2194 	stx	%o2, [THREAD_REG + T_INTR_START]
2195 	sub	%o2, %o3, %o0
2206 	ldx	[%o5 + %o4], %o2
2207 	add	%o2, %o0, %o2
2208 	stx	%o2, [%o5 + %o4]
2220 	ldx	[%o3], %o2
2221 	add	%o2, %o0, %o2		! %o2 = new value for intrstat
2222 	stx	%o2, [%o3]
2224 	sub	%o2, %o4, %o0		! %o0 is elapsed time since %o4
2225 	stx	%o2, [%o3 + 8]		! make [1] match [0], resetting time
2227 	ld	[%o5 + CPU_BASE_SPL], %o2	! restore %pil to the greater
2228 	cmp	%o2, %o1			! of either our pil %o1 or
2229 	movl	%xcc, %o1, %o2			! cpu_base_spl.
2231 	wrpr	%g0, %o2, %pil