xref: /illumos-gate/usr/src/uts/sun4v/io/glvc/glvc_hcall.S (revision 55fea89dcaa64928bed4327112404dcb3e07b79f)
1*5d9d9091SRichard Lowe/*
2*5d9d9091SRichard Lowe * CDDL HEADER START
3*5d9d9091SRichard Lowe *
4*5d9d9091SRichard Lowe * The contents of this file are subject to the terms of the
5*5d9d9091SRichard Lowe * Common Development and Distribution License (the "License").
6*5d9d9091SRichard Lowe * You may not use this file except in compliance with the License.
7*5d9d9091SRichard Lowe *
8*5d9d9091SRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*5d9d9091SRichard Lowe * or http://www.opensolaris.org/os/licensing.
10*5d9d9091SRichard Lowe * See the License for the specific language governing permissions
11*5d9d9091SRichard Lowe * and limitations under the License.
12*5d9d9091SRichard Lowe *
13*5d9d9091SRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each
14*5d9d9091SRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*5d9d9091SRichard Lowe * If applicable, add the following below this CDDL HEADER, with the
16*5d9d9091SRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying
17*5d9d9091SRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner]
18*5d9d9091SRichard Lowe *
19*5d9d9091SRichard Lowe * CDDL HEADER END
20*5d9d9091SRichard Lowe */
21*5d9d9091SRichard Lowe/*
22*5d9d9091SRichard Lowe * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23*5d9d9091SRichard Lowe * Use is subject to license terms.
24*5d9d9091SRichard Lowe */
25*5d9d9091SRichard Lowe
26*5d9d9091SRichard Lowe/*
27*5d9d9091SRichard Lowe * Hypervisor calls called by glvc driver.
28*5d9d9091SRichard Lowe*/
29*5d9d9091SRichard Lowe
30*5d9d9091SRichard Lowe#include <sys/asm_linkage.h>
31*5d9d9091SRichard Lowe#include <sys/hypervisor_api.h>
32*5d9d9091SRichard Lowe#include <sys/glvc.h>
33*5d9d9091SRichard Lowe
34*5d9d9091SRichard Lowe	/*
35*5d9d9091SRichard Lowe	 * hv_service_recv(uint64_t s_id, uint64_t buf_pa,
36*5d9d9091SRichard Lowe	 *     uint64_t size, uint64_t *recv_bytes);
37*5d9d9091SRichard Lowe	 */
38*5d9d9091SRichard Lowe	ENTRY(hv_service_recv)
39*5d9d9091SRichard Lowe	save	%sp, -SA(MINFRAME), %sp
40*5d9d9091SRichard Lowe	mov	%i0, %o0
41*5d9d9091SRichard Lowe	mov	%i1, %o1
42*5d9d9091SRichard Lowe	mov	%i2, %o2
43*5d9d9091SRichard Lowe	mov	%i3, %o3
44*5d9d9091SRichard Lowe	mov	SVC_RECV, %o5
45*5d9d9091SRichard Lowe	ta	FAST_TRAP
46*5d9d9091SRichard Lowe	brnz	%o0, 1f
47*5d9d9091SRichard Lowe	mov	%o0, %i0
48*5d9d9091SRichard Lowe	stx	%o1, [%i3]
49*5d9d9091SRichard Lowe1:
50*5d9d9091SRichard Lowe	ret
51*5d9d9091SRichard Lowe	restore
52*5d9d9091SRichard Lowe	SET_SIZE(hv_service_recv)
53*5d9d9091SRichard Lowe
54*5d9d9091SRichard Lowe	/*
55*5d9d9091SRichard Lowe	 * hv_service_send(uint64_t s_id, uint64_t buf_pa,
56*5d9d9091SRichard Lowe	 *     uint64_t size, uint64_t *recv_bytes);
57*5d9d9091SRichard Lowe	 */
58*5d9d9091SRichard Lowe	ENTRY(hv_service_send)
59*5d9d9091SRichard Lowe	save	%sp, -SA(MINFRAME), %sp
60*5d9d9091SRichard Lowe	mov	%i0, %o0
61*5d9d9091SRichard Lowe	mov	%i1, %o1
62*5d9d9091SRichard Lowe	mov	%i2, %o2
63*5d9d9091SRichard Lowe	mov	%i3, %o3
64*5d9d9091SRichard Lowe	mov	SVC_SEND, %o5
65*5d9d9091SRichard Lowe	ta	FAST_TRAP
66*5d9d9091SRichard Lowe	brnz	%o0, 1f
67*5d9d9091SRichard Lowe	mov	%o0, %i0
68*5d9d9091SRichard Lowe	stx	%o1, [%i3]
69*5d9d9091SRichard Lowe1:
70*5d9d9091SRichard Lowe	ret
71*5d9d9091SRichard Lowe	restore
72*5d9d9091SRichard Lowe	SET_SIZE(hv_service_send)
73*5d9d9091SRichard Lowe
74*5d9d9091SRichard Lowe	/*
75*5d9d9091SRichard Lowe	 * hv_service_getstatus(uint64_t s_id, uint64_t *vreg);
76*5d9d9091SRichard Lowe	 */
77*5d9d9091SRichard Lowe	ENTRY(hv_service_getstatus)
78*5d9d9091SRichard Lowe	mov	%o1, %o4			! save datap
79*5d9d9091SRichard Lowe	mov	SVC_GETSTATUS, %o5
80*5d9d9091SRichard Lowe	ta	FAST_TRAP
81*5d9d9091SRichard Lowe	brz,a	%o0, 1f
82*5d9d9091SRichard Lowe	stx	%o1, [%o4]
83*5d9d9091SRichard Lowe1:
84*5d9d9091SRichard Lowe	retl
85*5d9d9091SRichard Lowe	nop
86*5d9d9091SRichard Lowe	SET_SIZE(hv_service_getstatus)
87*5d9d9091SRichard Lowe
88*5d9d9091SRichard Lowe	/*
89*5d9d9091SRichard Lowe	 * hv_service_setstatus(uint64_t s_id, uint64_t bits);
90*5d9d9091SRichard Lowe	 */
91*5d9d9091SRichard Lowe	ENTRY(hv_service_setstatus)
92*5d9d9091SRichard Lowe	mov	SVC_SETSTATUS, %o5
93*5d9d9091SRichard Lowe	ta	FAST_TRAP
94*5d9d9091SRichard Lowe	retl
95*5d9d9091SRichard Lowe	nop
96*5d9d9091SRichard Lowe	SET_SIZE(hv_service_setstatus)
97*5d9d9091SRichard Lowe
98*5d9d9091SRichard Lowe	/*
99*5d9d9091SRichard Lowe	 * hv_service_clrstatus(uint64_t s_id, uint64_t bits);
100*5d9d9091SRichard Lowe	 */
101*5d9d9091SRichard Lowe	ENTRY(hv_service_clrstatus)
102*5d9d9091SRichard Lowe	mov	SVC_CLRSTATUS, %o5
103*5d9d9091SRichard Lowe	ta	FAST_TRAP
104*5d9d9091SRichard Lowe	retl
105*5d9d9091SRichard Lowe	nop
106*5d9d9091SRichard Lowe	SET_SIZE(hv_service_clrstatus)
107*5d9d9091SRichard Lowe
108