xref: /illumos-gate/usr/src/uts/sun4v/ml/hcall.S (revision e3ae4b35c024af1196582063ecee3ab79367227d)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26/*
27 * Hypervisor calls
28 */
29
30#include <sys/asm_linkage.h>
31#include <sys/machasi.h>
32#include <sys/machparam.h>
33#include <sys/hypervisor_api.h>
34
35	/*
36	 * int hv_mach_exit(uint64_t exit_code)
37	 */
38	ENTRY(hv_mach_exit)
39	mov	HV_MACH_EXIT, %o5
40	ta	FAST_TRAP
41	retl
42	  nop
43	SET_SIZE(hv_mach_exit)
44
45	/*
46	 * uint64_t hv_mach_sir(void)
47	 */
48	ENTRY(hv_mach_sir)
49	mov	HV_MACH_SIR, %o5
50	ta	FAST_TRAP
51	retl
52	  nop
53	SET_SIZE(hv_mach_sir)
54
55	/*
56	 * hv_cpu_start(uint64_t cpuid, uint64_t pc, ui64_t rtba,
57	 *     uint64_t arg)
58	 */
59	ENTRY(hv_cpu_start)
60	mov	HV_CPU_START, %o5
61	ta	FAST_TRAP
62	retl
63	  nop
64	SET_SIZE(hv_cpu_start)
65
66	/*
67	 * hv_cpu_stop(uint64_t cpuid)
68	 */
69	ENTRY(hv_cpu_stop)
70	mov	HV_CPU_STOP, %o5
71	ta	FAST_TRAP
72	retl
73	  nop
74	SET_SIZE(hv_cpu_stop)
75
76	/*
77	 * hv_cpu_set_rtba(uint64_t *rtba)
78	 */
79	ENTRY(hv_cpu_set_rtba)
80	mov	%o0, %o2
81	ldx	[%o2], %o0
82	mov	HV_CPU_SET_RTBA, %o5
83	ta	FAST_TRAP
84	stx	%o1, [%o2]
85	retl
86	  nop
87	SET_SIZE(hv_cpu_set_rtba)
88
89	/*
90	 * int64_t hv_cnputchar(uint8_t ch)
91	 */
92	ENTRY(hv_cnputchar)
93	mov	CONS_PUTCHAR, %o5
94	ta	FAST_TRAP
95	retl
96	  nop
97	SET_SIZE(hv_cnputchar)
98
99	/*
100	 * int64_t hv_cngetchar(uint8_t *ch)
101	 */
102	ENTRY(hv_cngetchar)
103	mov	%o0, %o2
104	mov	CONS_GETCHAR, %o5
105	ta	FAST_TRAP
106	brnz,a	%o0, 1f		! failure, just return error
107	  nop
108
109	cmp	%o1, H_BREAK
110	be	1f
111	mov	%o1, %o0
112
113	cmp	%o1, H_HUP
114	be	1f
115	mov	%o1, %o0
116
117	stb	%o1, [%o2]	! success, save character and return 0
118	mov	0, %o0
1191:
120	retl
121	  nop
122	SET_SIZE(hv_cngetchar)
123
124	ENTRY(hv_tod_get)
125	mov	%o0, %o4
126	mov	TOD_GET, %o5
127	ta	FAST_TRAP
128	retl
129	  stx	%o1, [%o4]
130	SET_SIZE(hv_tod_get)
131
132	ENTRY(hv_tod_set)
133	mov	TOD_SET, %o5
134	ta	FAST_TRAP
135	retl
136	nop
137	SET_SIZE(hv_tod_set)
138
139	/*
140	 * Map permanent address
141	 * arg0 vaddr (%o0)
142	 * arg1 context (%o1)
143	 * arg2 tte (%o2)
144	 * arg3 flags (%o3)  0x1=d 0x2=i
145	 */
146	ENTRY(hv_mmu_map_perm_addr)
147	mov	MAP_PERM_ADDR, %o5
148	ta	FAST_TRAP
149	retl
150	nop
151	SET_SIZE(hv_mmu_map_perm_addr)
152
153	/*
154	 * hv_mmu_fault_area_conf(void *raddr)
155	 */
156	ENTRY(hv_mmu_fault_area_conf)
157	mov	%o0, %o2
158	ldx	[%o2], %o0
159	mov	MMU_SET_INFOPTR, %o5
160	ta	FAST_TRAP
161	stx	%o1, [%o2]
162	retl
163	  nop
164	SET_SIZE(hv_mmu_fault_area_conf)
165
166	/*
167	 * Unmap permanent address
168	 * arg0 vaddr (%o0)
169	 * arg1 context (%o1)
170	 * arg2 flags (%o2)  0x1=d 0x2=i
171	 */
172	ENTRY(hv_mmu_unmap_perm_addr)
173	mov	UNMAP_PERM_ADDR, %o5
174	ta	FAST_TRAP
175	retl
176	nop
177	SET_SIZE(hv_mmu_unmap_perm_addr)
178
179	/*
180	 * Set TSB for context 0
181	 * arg0 ntsb_descriptor (%o0)
182	 * arg1 desc_ra (%o1)
183	 */
184	ENTRY(hv_set_ctx0)
185	mov	MMU_TSB_CTX0, %o5
186	ta	FAST_TRAP
187	retl
188	nop
189	SET_SIZE(hv_set_ctx0)
190
191	/*
192	 * Set TSB for context non0
193	 * arg0 ntsb_descriptor (%o0)
194	 * arg1 desc_ra (%o1)
195	 */
196	ENTRY(hv_set_ctxnon0)
197	mov	MMU_TSB_CTXNON0, %o5
198	ta	FAST_TRAP
199	retl
200	nop
201	SET_SIZE(hv_set_ctxnon0)
202
203#ifdef SET_MMU_STATS
204	/*
205	 * Returns old stat area on success
206	 */
207	ENTRY(hv_mmu_set_stat_area)
208	mov	MMU_STAT_AREA, %o5
209	ta	FAST_TRAP
210	retl
211	nop
212	SET_SIZE(hv_mmu_set_stat_area)
213#endif /* SET_MMU_STATS */
214
215	/*
216	 * CPU Q Configure
217	 * arg0 queue (%o0)
218	 * arg1 Base address RA (%o1)
219	 * arg2 Size (%o2)
220	 */
221	ENTRY(hv_cpu_qconf)
222	mov	HV_CPU_QCONF, %o5
223	ta	FAST_TRAP
224	retl
225	nop
226	SET_SIZE(hv_cpu_qconf)
227
228	/*
229	 * arg0 - devhandle
230	 * arg1 - devino
231	 *
232	 * ret0 - status
233	 * ret1 - sysino
234	 */
235	ENTRY(hvio_intr_devino_to_sysino)
236	mov	HVIO_INTR_DEVINO2SYSINO, %o5
237	ta	FAST_TRAP
238	brz,a	%o0, 1f
239	stx	%o1, [%o2]
2401:	retl
241	nop
242	SET_SIZE(hvio_intr_devino_to_sysino)
243
244	/*
245	 * arg0 - sysino
246	 *
247	 * ret0 - status
248	 * ret1 - intr_valid_state
249	 */
250	ENTRY(hvio_intr_getvalid)
251	mov	%o1, %o2
252	mov	HVIO_INTR_GETVALID, %o5
253	ta	FAST_TRAP
254	brz,a	%o0, 1f
255	stuw	%o1, [%o2]
2561:	retl
257	nop
258	SET_SIZE(hvio_intr_getvalid)
259
260	/*
261	 * arg0 - sysino
262	 * arg1 - intr_valid_state
263	 *
264	 * ret0 - status
265	 */
266	ENTRY(hvio_intr_setvalid)
267	mov	HVIO_INTR_SETVALID, %o5
268	ta	FAST_TRAP
269	retl
270	nop
271	SET_SIZE(hvio_intr_setvalid)
272
273	/*
274	 * arg0 - sysino
275	 *
276	 * ret0 - status
277	 * ret1 - intr_state
278	 */
279	ENTRY(hvio_intr_getstate)
280	mov	%o1, %o2
281	mov	HVIO_INTR_GETSTATE, %o5
282	ta	FAST_TRAP
283	brz,a	%o0, 1f
284	stuw	%o1, [%o2]
2851:	retl
286	nop
287	SET_SIZE(hvio_intr_getstate)
288
289	/*
290	 * arg0 - sysino
291	 * arg1 - intr_state
292	 *
293	 * ret0 - status
294	 */
295	ENTRY(hvio_intr_setstate)
296	mov	HVIO_INTR_SETSTATE, %o5
297	ta	FAST_TRAP
298	retl
299	nop
300	SET_SIZE(hvio_intr_setstate)
301
302	/*
303	 * arg0 - sysino
304	 *
305	 * ret0 - status
306	 * ret1 - cpu_id
307	 */
308	ENTRY(hvio_intr_gettarget)
309	mov	%o1, %o2
310	mov	HVIO_INTR_GETTARGET, %o5
311	ta	FAST_TRAP
312	brz,a	%o0, 1f
313	stuw	%o1, [%o2]
3141:	retl
315	nop
316	SET_SIZE(hvio_intr_gettarget)
317
318	/*
319	 * arg0 - sysino
320	 * arg1 - cpu_id
321	 *
322	 * ret0 - status
323	 */
324	ENTRY(hvio_intr_settarget)
325	mov	HVIO_INTR_SETTARGET, %o5
326	ta	FAST_TRAP
327	retl
328	nop
329	SET_SIZE(hvio_intr_settarget)
330
331	/*
332	 * hv_cpu_yield(void)
333	 */
334	ENTRY(hv_cpu_yield)
335	mov	HV_CPU_YIELD, %o5
336	ta	FAST_TRAP
337	retl
338	nop
339	SET_SIZE(hv_cpu_yield)
340
341	/*
342	 * int hv_cpu_state(uint64_t cpuid, uint64_t *cpu_state);
343	 */
344	ENTRY(hv_cpu_state)
345	mov	%o1, %o4			! save datap
346	mov	HV_CPU_STATE, %o5
347	ta	FAST_TRAP
348	brz,a	%o0, 1f
349	stx	%o1, [%o4]
3501:
351	retl
352	nop
353	SET_SIZE(hv_cpu_state)
354
355	/*
356	 * HV state dump zone Configure
357	 * arg0 real adrs of dump buffer (%o0)
358	 * arg1 size of dump buffer (%o1)
359	 * ret0 status (%o0)
360	 * ret1 size of buffer on success and min size on EINVAL (%o1)
361	 * hv_dump_buf_update(uint64_t paddr, uint64_t size, uint64_t *ret_size)
362	 */
363	ENTRY(hv_dump_buf_update)
364	mov	DUMP_BUF_UPDATE, %o5
365	ta	FAST_TRAP
366	retl
367	stx	%o1, [%o2]
368	SET_SIZE(hv_dump_buf_update)
369
370	/*
371	 * arg0 - timeout value (%o0)
372	 *
373	 * ret0 - status (%o0)
374	 * ret1 - time_remaining (%o1)
375	 * hv_mach_set_watchdog(uint64_t timeout, uint64_t *time_remaining)
376	 */
377	ENTRY(hv_mach_set_watchdog)
378	mov	%o1, %o2
379	mov	MACH_SET_WATCHDOG, %o5
380	ta	FAST_TRAP
381	retl
382	stx	%o1, [%o2]
383	SET_SIZE(hv_mach_set_watchdog)
384
385	/*
386	 * For memory scrub
387	 * int hv_mem_scrub(uint64_t real_addr, uint64_t length,
388	 * 	uint64_t *scrubbed_len);
389	 * Retun %o0 -- status
390	 *       %o1 -- bytes scrubbed
391	 */
392	ENTRY(hv_mem_scrub)
393	mov	%o2, %o4
394	mov	HV_MEM_SCRUB, %o5
395	ta	FAST_TRAP
396	retl
397	stx	%o1, [%o4]
398	SET_SIZE(hv_mem_scrub)
399
400	/*
401	 * Flush ecache
402	 * int hv_mem_sync(uint64_t real_addr, uint64_t length,
403	 * 	uint64_t *flushed_len);
404	 * Retun %o0 -- status
405	 *       %o1 -- bytes flushed
406	 */
407	ENTRY(hv_mem_sync)
408	mov	%o2, %o4
409	mov	HV_MEM_SYNC, %o5
410	ta	FAST_TRAP
411	retl
412	stx	%o1, [%o4]
413	SET_SIZE(hv_mem_sync)
414
415	/*
416	 * uint64_t hv_tm_enable(uint64_t enable)
417	 */
418	ENTRY(hv_tm_enable)
419	mov	HV_TM_ENABLE, %o5
420	ta	FAST_TRAP
421	retl
422	  nop
423	SET_SIZE(hv_tm_enable)
424
425	/*
426	 * TTRACE_BUF_CONF Configure
427	 * arg0 RA base of buffer (%o0)
428	 * arg1 buf size in no. of entries (%o1)
429	 * ret0 status (%o0)
430	 * ret1 minimum size in no. of entries on failure,
431	 * actual size in no. of entries on success (%o1)
432	 */
433	ENTRY(hv_ttrace_buf_conf)
434	mov	TTRACE_BUF_CONF, %o5
435	ta	FAST_TRAP
436	retl
437	stx	%o1, [%o2]
438	SET_SIZE(hv_ttrace_buf_conf)
439
440	 /*
441	 * TTRACE_BUF_INFO
442	 * ret0 status (%o0)
443	 * ret1 RA base of buffer (%o1)
444	 * ret2 size in no. of entries (%o2)
445	 */
446	ENTRY(hv_ttrace_buf_info)
447	mov	%o0, %o3
448	mov	%o1, %o4
449	mov	TTRACE_BUF_INFO, %o5
450	ta	FAST_TRAP
451	stx	%o1, [%o3]
452	retl
453	stx	%o2, [%o4]
454	SET_SIZE(hv_ttrace_buf_info)
455
456	/*
457	 * TTRACE_ENABLE
458	 * arg0 enable/ disable (%o0)
459	 * ret0 status (%o0)
460	 * ret1 previous enable state (%o1)
461	 */
462	ENTRY(hv_ttrace_enable)
463	mov	%o1, %o2
464	mov	TTRACE_ENABLE, %o5
465	ta	FAST_TRAP
466	retl
467	stx	%o1, [%o2]
468	SET_SIZE(hv_ttrace_enable)
469
470	/*
471	 * TTRACE_FREEZE
472	 * arg0 enable/ freeze (%o0)
473	 * ret0 status (%o0)
474	 * ret1 previous freeze state (%o1)
475	 */
476	ENTRY(hv_ttrace_freeze)
477	mov	%o1, %o2
478	mov	TTRACE_FREEZE, %o5
479	ta	FAST_TRAP
480	retl
481	stx	%o1, [%o2]
482	SET_SIZE(hv_ttrace_freeze)
483
484	/*
485	 * MACH_DESC
486	 * arg0 buffer real address
487	 * arg1 pointer to uint64_t for size of buffer
488	 * ret0 status
489	 * ret1 return required size of buffer / returned data size
490	 */
491	ENTRY(hv_mach_desc)
492	mov     %o1, %o4                ! save datap
493	ldx     [%o1], %o1
494	mov     HV_MACH_DESC, %o5
495	ta      FAST_TRAP
496	retl
497	stx   %o1, [%o4]
498	SET_SIZE(hv_mach_desc)
499
500	/*
501	 * hv_ra2pa(uint64_t ra)
502	 *
503	 * MACH_DESC
504	 * arg0 Real address to convert
505	 * ret0 Returned physical address or -1 on error
506	 */
507	ENTRY(hv_ra2pa)
508	mov	HV_RA2PA, %o5
509	ta	FAST_TRAP
510	cmp	%o0, 0
511	move	%xcc, %o1, %o0
512	movne	%xcc, -1, %o0
513	retl
514	nop
515	SET_SIZE(hv_ra2pa)
516
517	/*
518	 * hv_hpriv(void *func, uint64_t arg1, uint64_t arg2, uint64_t arg3)
519	 *
520	 * MACH_DESC
521	 * arg0 OS function to call
522	 * arg1 First arg to OS function
523	 * arg2 Second arg to OS function
524	 * arg3 Third arg to OS function
525	 * ret0 Returned value from function
526	 */
527
528	ENTRY(hv_hpriv)
529	mov	HV_HPRIV, %o5
530	ta	FAST_TRAP
531	retl
532	nop
533	SET_SIZE(hv_hpriv)
534
535	/*
536         * hv_ldc_tx_qconf(uint64_t channel, uint64_t ra_base,
537	 *	uint64_t nentries);
538	 */
539	ENTRY(hv_ldc_tx_qconf)
540	mov     LDC_TX_QCONF, %o5
541	ta      FAST_TRAP
542	retl
543	  nop
544	SET_SIZE(hv_ldc_tx_qconf)
545
546
547	/*
548         * hv_ldc_tx_qinfo(uint64_t channel, uint64_t *ra_base,
549	 *	uint64_t *nentries);
550	 */
551	ENTRY(hv_ldc_tx_qinfo)
552	mov	%o1, %g1
553	mov	%o2, %g2
554	mov     LDC_TX_QINFO, %o5
555	ta      FAST_TRAP
556	stx     %o1, [%g1]
557	retl
558	  stx   %o2, [%g2]
559	SET_SIZE(hv_ldc_tx_qinfo)
560
561
562	/*
563	 * hv_ldc_tx_get_state(uint64_t channel,
564	 *	uint64_t *headp, uint64_t *tailp, uint64_t *state);
565	 */
566	ENTRY(hv_ldc_tx_get_state)
567	mov     LDC_TX_GET_STATE, %o5
568	mov     %o1, %g1
569	mov     %o2, %g2
570	mov     %o3, %g3
571	ta      FAST_TRAP
572	stx     %o1, [%g1]
573	stx     %o2, [%g2]
574	retl
575	  stx   %o3, [%g3]
576	SET_SIZE(hv_ldc_tx_get_state)
577
578
579	/*
580	 * hv_ldc_tx_set_qtail(uint64_t channel, uint64_t tail)
581	 */
582	ENTRY(hv_ldc_tx_set_qtail)
583	mov     LDC_TX_SET_QTAIL, %o5
584	ta      FAST_TRAP
585	retl
586	SET_SIZE(hv_ldc_tx_set_qtail)
587
588
589	/*
590         * hv_ldc_rx_qconf(uint64_t channel, uint64_t ra_base,
591	 *	uint64_t nentries);
592	 */
593	ENTRY(hv_ldc_rx_qconf)
594	mov     LDC_RX_QCONF, %o5
595	ta      FAST_TRAP
596	retl
597	  nop
598	SET_SIZE(hv_ldc_rx_qconf)
599
600
601	/*
602         * hv_ldc_rx_qinfo(uint64_t channel, uint64_t *ra_base,
603	 *	uint64_t *nentries);
604	 */
605	ENTRY(hv_ldc_rx_qinfo)
606	mov	%o1, %g1
607	mov	%o2, %g2
608	mov     LDC_RX_QINFO, %o5
609	ta      FAST_TRAP
610	stx     %o1, [%g1]
611	retl
612	  stx   %o2, [%g2]
613	SET_SIZE(hv_ldc_rx_qinfo)
614
615
616	/*
617	 * hv_ldc_rx_get_state(uint64_t channel,
618	 *	uint64_t *headp, uint64_t *tailp, uint64_t *state);
619	 */
620	ENTRY(hv_ldc_rx_get_state)
621	mov     LDC_RX_GET_STATE, %o5
622	mov     %o1, %g1
623	mov     %o2, %g2
624	mov     %o3, %g3
625	ta      FAST_TRAP
626	stx     %o1, [%g1]
627	stx     %o2, [%g2]
628	retl
629	  stx   %o3, [%g3]
630	SET_SIZE(hv_ldc_rx_get_state)
631
632
633	/*
634	 * hv_ldc_rx_set_qhead(uint64_t channel, uint64_t head)
635	 */
636	ENTRY(hv_ldc_rx_set_qhead)
637	mov     LDC_RX_SET_QHEAD, %o5
638	ta      FAST_TRAP
639	retl
640	SET_SIZE(hv_ldc_rx_set_qhead)
641
642	/*
643	 * hv_ldc_set_map_table(uint64_t channel, uint64_t tbl_ra,
644	 *		uint64_t tbl_entries)
645	 */
646	ENTRY(hv_ldc_set_map_table)
647	mov     LDC_SET_MAP_TABLE, %o5
648	ta      FAST_TRAP
649	retl
650	  nop
651	SET_SIZE(hv_ldc_set_map_table)
652
653
654	/*
655	 * hv_ldc_get_map_table(uint64_t channel, uint64_t *tbl_ra,
656	 *		uint64_t *tbl_entries)
657	 */
658	ENTRY(hv_ldc_get_map_table)
659	mov	%o1, %g1
660	mov	%o2, %g2
661	mov     LDC_GET_MAP_TABLE, %o5
662	ta      FAST_TRAP
663	stx     %o1, [%g1]
664	retl
665	  stx     %o2, [%g2]
666	SET_SIZE(hv_ldc_get_map_table)
667
668
669	/*
670	 * hv_ldc_copy(uint64_t channel, uint64_t request, uint64_t cookie,
671	 *		uint64_t raddr, uint64_t length, uint64_t *lengthp);
672	 */
673	ENTRY(hv_ldc_copy)
674	mov     %o5, %g1
675	mov     LDC_COPY, %o5
676	ta      FAST_TRAP
677	retl
678	  stx   %o1, [%g1]
679	SET_SIZE(hv_ldc_copy)
680
681
682	/*
683	 * hv_ldc_mapin(uint64_t channel, uint64_t cookie, uint64_t *raddr,
684	 *		uint64_t *perm)
685	 */
686	ENTRY(hv_ldc_mapin)
687	mov	%o2, %g1
688	mov	%o3, %g2
689	mov     LDC_MAPIN, %o5
690	ta      FAST_TRAP
691	stx     %o1, [%g1]
692	retl
693	  stx     %o2, [%g2]
694	SET_SIZE(hv_ldc_mapin)
695
696
697	/*
698	 * hv_ldc_unmap(uint64_t raddr)
699	 */
700	ENTRY(hv_ldc_unmap)
701	mov     LDC_UNMAP, %o5
702	ta      FAST_TRAP
703	retl
704	  nop
705	SET_SIZE(hv_ldc_unmap)
706
707
708	/*
709	 * hv_ldc_revoke(uint64_t channel, uint64_t cookie,
710	 *		 uint64_t revoke_cookie
711	 */
712	ENTRY(hv_ldc_revoke)
713	mov     LDC_REVOKE, %o5
714	ta      FAST_TRAP
715	retl
716	  nop
717	SET_SIZE(hv_ldc_revoke)
718
719	/*
720	 * hv_ldc_mapin_size_max(uint64_t tbl_type, uint64_t *sz)
721	 */
722	ENTRY(hv_ldc_mapin_size_max)
723	mov	%o1, %g1
724	mov     LDC_MAPIN_SIZE_MAX, %o5
725	ta      FAST_TRAP
726	retl
727	  stx     %o1, [%g1]
728	SET_SIZE(hv_ldc_mapin_size_max)
729
730	/*
731	 * hvldc_intr_getcookie(uint64_t dev_hdl, uint32_t devino,
732	 *			uint64_t *cookie);
733	 */
734	ENTRY(hvldc_intr_getcookie)
735	mov	%o2, %g1
736	mov     VINTR_GET_COOKIE, %o5
737	ta      FAST_TRAP
738	retl
739	  stx   %o1, [%g1]
740	SET_SIZE(hvldc_intr_getcookie)
741
742	/*
743	 * hvldc_intr_setcookie(uint64_t dev_hdl, uint32_t devino,
744	 *			uint64_t cookie);
745	 */
746	ENTRY(hvldc_intr_setcookie)
747	mov     VINTR_SET_COOKIE, %o5
748	ta      FAST_TRAP
749	retl
750	  nop
751	SET_SIZE(hvldc_intr_setcookie)
752
753
754	/*
755	 * hvldc_intr_getvalid(uint64_t dev_hdl, uint32_t devino,
756	 *			int *intr_valid_state);
757	 */
758	ENTRY(hvldc_intr_getvalid)
759	mov	%o2, %g1
760	mov     VINTR_GET_VALID, %o5
761	ta      FAST_TRAP
762	retl
763	  stuw   %o1, [%g1]
764	SET_SIZE(hvldc_intr_getvalid)
765
766	/*
767	 * hvldc_intr_setvalid(uint64_t dev_hdl, uint32_t devino,
768	 *			int intr_valid_state);
769	 */
770	ENTRY(hvldc_intr_setvalid)
771	mov     VINTR_SET_VALID, %o5
772	ta      FAST_TRAP
773	retl
774	  nop
775	SET_SIZE(hvldc_intr_setvalid)
776
777	/*
778	 * hvldc_intr_getstate(uint64_t dev_hdl, uint32_t devino,
779	 *			int *intr_state);
780	 */
781	ENTRY(hvldc_intr_getstate)
782	mov	%o2, %g1
783	mov     VINTR_GET_STATE, %o5
784	ta      FAST_TRAP
785	retl
786	  stuw   %o1, [%g1]
787	SET_SIZE(hvldc_intr_getstate)
788
789	/*
790	 * hvldc_intr_setstate(uint64_t dev_hdl, uint32_t devino,
791	 *			int intr_state);
792	 */
793	ENTRY(hvldc_intr_setstate)
794	mov     VINTR_SET_STATE, %o5
795	ta      FAST_TRAP
796	retl
797	  nop
798	SET_SIZE(hvldc_intr_setstate)
799
800	/*
801	 * hvldc_intr_gettarget(uint64_t dev_hdl, uint32_t devino,
802	 *			uint32_t *cpuid);
803	 */
804	ENTRY(hvldc_intr_gettarget)
805	mov	%o2, %g1
806	mov     VINTR_GET_TARGET, %o5
807	ta      FAST_TRAP
808	retl
809	  stuw   %o1, [%g1]
810	SET_SIZE(hvldc_intr_gettarget)
811
812	/*
813	 * hvldc_intr_settarget(uint64_t dev_hdl, uint32_t devino,
814	 *			uint32_t cpuid);
815	 */
816	ENTRY(hvldc_intr_settarget)
817	mov     VINTR_SET_TARGET, %o5
818	ta      FAST_TRAP
819	retl
820	  nop
821	SET_SIZE(hvldc_intr_settarget)
822
823	/*
824	 * hv_api_get_version(uint64_t api_group, uint64_t *majorp,
825	 *			uint64_t *minorp)
826	 *
827	 * API_GET_VERSION
828	 * arg0 API group
829	 * ret0 status
830	 * ret1 major number
831	 * ret2 minor number
832	 */
833	ENTRY(hv_api_get_version)
834	mov	%o1, %o3
835	mov	%o2, %o4
836	mov	API_GET_VERSION, %o5
837	ta	CORE_TRAP
838	stx	%o1, [%o3]
839	retl
840	  stx	%o2, [%o4]
841	SET_SIZE(hv_api_get_version)
842
843	/*
844	 * hv_api_set_version(uint64_t api_group, uint64_t major,
845	 *			uint64_t minor, uint64_t *supported_minor)
846	 *
847	 * API_SET_VERSION
848	 * arg0 API group
849	 * arg1 major number
850	 * arg2 requested minor number
851	 * ret0 status
852	 * ret1 actual minor number
853	 */
854	ENTRY(hv_api_set_version)
855	mov	%o3, %o4
856	mov	API_SET_VERSION, %o5
857	ta	CORE_TRAP
858	retl
859	  stx	%o1, [%o4]
860	SET_SIZE(hv_api_set_version)
861
862	/*
863	 * %o0 - buffer real address
864	 * %o1 - buffer size
865	 * %o2 - &characters written
866	 * returns
867	 * 	status
868	 */
869	ENTRY(hv_cnwrite)
870	mov	CONS_WRITE, %o5
871	ta	FAST_TRAP
872	retl
873	stx	%o1, [%o2]
874	SET_SIZE(hv_cnwrite)
875
876	/*
877	 * %o0 character buffer ra
878	 * %o1 buffer size
879	 * %o2 pointer to returned size
880	 * return values:
881	 * 0 success
882	 * hv_errno failure
883	 */
884	ENTRY(hv_cnread)
885	mov	CONS_READ, %o5
886	ta	FAST_TRAP
887	brnz,a	%o0, 1f		! failure, just return error
888	nop
889
890	cmp	%o1, H_BREAK
891	be	1f
892	mov	%o1, %o0
893
894	cmp	%o1, H_HUP
895	be	1f
896	mov	%o1, %o0
897
898	stx	%o1, [%o2]	! success, save count and return 0
899	mov	0, %o0
9001:
901	retl
902	nop
903	SET_SIZE(hv_cnread)
904
905	/*
906	 * SOFT_STATE_SET
907	 * arg0 state (%o0)
908	 * arg1 string (%o1)
909	 * ret0 status (%o0)
910	 */
911	ENTRY(hv_soft_state_set)
912	mov	SOFT_STATE_SET, %o5
913	ta	FAST_TRAP
914	retl
915	nop
916	SET_SIZE(hv_soft_state_set)
917
918	/*
919	 * SOFT_STATE_GET
920	 * arg0 string buffer (%o0)
921	 * ret0 status (%o0)
922	 * ret1 current state (%o1)
923	 */
924	ENTRY(hv_soft_state_get)
925	mov	%o1, %o2
926	mov	SOFT_STATE_GET, %o5
927	ta	FAST_TRAP
928	retl
929	stx	%o1, [%o2]
930	SET_SIZE(hv_soft_state_get)
931
932	ENTRY(hv_guest_suspend)
933	mov	GUEST_SUSPEND, %o5
934	ta	FAST_TRAP
935	retl
936	nop
937	SET_SIZE(hv_guest_suspend)
938
939	ENTRY(hv_tick_set_npt)
940	mov	TICK_SET_NPT, %o5
941	ta	FAST_TRAP
942	retl
943	nop
944	SET_SIZE(hv_tick_set_npt)
945
946	ENTRY(hv_stick_set_npt)
947	mov	STICK_SET_NPT, %o5
948	ta	FAST_TRAP
949	retl
950	nop
951	SET_SIZE(hv_stick_set_npt)
952
953	/*
954	 * REBOOT_DATA_SET
955	 * arg0 buffer real address
956	 * arg1 buffer length
957	 * ret0 status
958	 */
959	ENTRY(hv_reboot_data_set)
960	mov	HV_REBOOT_DATA_SET, %o5
961	ta	FAST_TRAP
962	retl
963	nop
964	SET_SIZE(hv_reboot_data_set)
965
966