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b8a590c4 IK |
1 | /* |
2 | * Beat hypervisor call I/F | |
3 | * | |
4 | * (C) Copyright 2007 TOSHIBA CORPORATION | |
5 | * | |
6 | * This code is based on arch/powerpc/platforms/pseries/hvCall.S. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
21 | */ | |
22 | ||
23 | #include <asm/ppc_asm.h> | |
24 | ||
b8a590c4 IK |
25 | /* Not implemented on Beat, now */ |
26 | #define HCALL_INST_PRECALL | |
27 | #define HCALL_INST_POSTCALL | |
28 | ||
29 | .text | |
30 | ||
31 | #define HVSC .long 0x44000022 | |
32 | ||
33 | /* Note: takes only 7 input parameters at maximum */ | |
34 | _GLOBAL(beat_hcall_norets) | |
35 | HMT_MEDIUM | |
36 | ||
37 | mfcr r0 | |
38 | stw r0,8(r1) | |
39 | ||
40 | HCALL_INST_PRECALL | |
41 | ||
42 | mr r11,r3 | |
43 | mr r3,r4 | |
44 | mr r4,r5 | |
45 | mr r5,r6 | |
46 | mr r6,r7 | |
47 | mr r7,r8 | |
48 | mr r8,r9 | |
49 | ||
50 | HVSC /* invoke the hypervisor */ | |
51 | ||
52 | HCALL_INST_POSTCALL | |
53 | ||
54 | lwz r0,8(r1) | |
55 | mtcrf 0xff,r0 | |
56 | ||
57 | blr /* return r3 = status */ | |
58 | ||
59 | /* Note: takes 8 input parameters at maximum */ | |
60 | _GLOBAL(beat_hcall_norets8) | |
61 | HMT_MEDIUM | |
62 | ||
63 | mfcr r0 | |
64 | stw r0,8(r1) | |
65 | ||
66 | HCALL_INST_PRECALL | |
67 | ||
68 | mr r11,r3 | |
69 | mr r3,r4 | |
70 | mr r4,r5 | |
71 | mr r5,r6 | |
72 | mr r6,r7 | |
73 | mr r7,r8 | |
74 | mr r8,r9 | |
44ce6a5e | 75 | ld r10,STK_PARAM(R10)(r1) |
b8a590c4 IK |
76 | |
77 | HVSC /* invoke the hypervisor */ | |
78 | ||
79 | HCALL_INST_POSTCALL | |
80 | ||
81 | lwz r0,8(r1) | |
82 | mtcrf 0xff,r0 | |
83 | ||
84 | blr /* return r3 = status */ | |
85 | ||
86 | /* Note: takes only 6 input parameters, 1 output parameters at maximum */ | |
87 | _GLOBAL(beat_hcall1) | |
88 | HMT_MEDIUM | |
89 | ||
90 | mfcr r0 | |
91 | stw r0,8(r1) | |
92 | ||
93 | HCALL_INST_PRECALL | |
94 | ||
44ce6a5e | 95 | std r4,STK_PARAM(R4)(r1) /* save ret buffer */ |
b8a590c4 IK |
96 | |
97 | mr r11,r3 | |
98 | mr r3,r5 | |
99 | mr r4,r6 | |
100 | mr r5,r7 | |
101 | mr r6,r8 | |
102 | mr r7,r9 | |
103 | mr r8,r10 | |
104 | ||
105 | HVSC /* invoke the hypervisor */ | |
106 | ||
107 | HCALL_INST_POSTCALL | |
108 | ||
44ce6a5e | 109 | ld r12,STK_PARAM(R4)(r1) |
b8a590c4 IK |
110 | std r4, 0(r12) |
111 | ||
112 | lwz r0,8(r1) | |
113 | mtcrf 0xff,r0 | |
114 | ||
115 | blr /* return r3 = status */ | |
116 | ||
117 | /* Note: takes only 6 input parameters, 2 output parameters at maximum */ | |
118 | _GLOBAL(beat_hcall2) | |
119 | HMT_MEDIUM | |
120 | ||
121 | mfcr r0 | |
122 | stw r0,8(r1) | |
123 | ||
124 | HCALL_INST_PRECALL | |
125 | ||
44ce6a5e | 126 | std r4,STK_PARAM(R4)(r1) /* save ret buffer */ |
b8a590c4 IK |
127 | |
128 | mr r11,r3 | |
129 | mr r3,r5 | |
130 | mr r4,r6 | |
131 | mr r5,r7 | |
132 | mr r6,r8 | |
133 | mr r7,r9 | |
134 | mr r8,r10 | |
135 | ||
136 | HVSC /* invoke the hypervisor */ | |
137 | ||
138 | HCALL_INST_POSTCALL | |
139 | ||
44ce6a5e | 140 | ld r12,STK_PARAM(R4)(r1) |
b8a590c4 IK |
141 | std r4, 0(r12) |
142 | std r5, 8(r12) | |
143 | ||
144 | lwz r0,8(r1) | |
145 | mtcrf 0xff,r0 | |
146 | ||
147 | blr /* return r3 = status */ | |
148 | ||
149 | /* Note: takes only 6 input parameters, 3 output parameters at maximum */ | |
150 | _GLOBAL(beat_hcall3) | |
151 | HMT_MEDIUM | |
152 | ||
153 | mfcr r0 | |
154 | stw r0,8(r1) | |
155 | ||
156 | HCALL_INST_PRECALL | |
157 | ||
44ce6a5e | 158 | std r4,STK_PARAM(R4)(r1) /* save ret buffer */ |
b8a590c4 IK |
159 | |
160 | mr r11,r3 | |
161 | mr r3,r5 | |
162 | mr r4,r6 | |
163 | mr r5,r7 | |
164 | mr r6,r8 | |
165 | mr r7,r9 | |
166 | mr r8,r10 | |
167 | ||
168 | HVSC /* invoke the hypervisor */ | |
169 | ||
170 | HCALL_INST_POSTCALL | |
171 | ||
44ce6a5e | 172 | ld r12,STK_PARAM(R4)(r1) |
b8a590c4 IK |
173 | std r4, 0(r12) |
174 | std r5, 8(r12) | |
175 | std r6, 16(r12) | |
176 | ||
177 | lwz r0,8(r1) | |
178 | mtcrf 0xff,r0 | |
179 | ||
180 | blr /* return r3 = status */ | |
181 | ||
182 | /* Note: takes only 6 input parameters, 4 output parameters at maximum */ | |
183 | _GLOBAL(beat_hcall4) | |
184 | HMT_MEDIUM | |
185 | ||
186 | mfcr r0 | |
187 | stw r0,8(r1) | |
188 | ||
189 | HCALL_INST_PRECALL | |
190 | ||
44ce6a5e | 191 | std r4,STK_PARAM(R4)(r1) /* save ret buffer */ |
b8a590c4 IK |
192 | |
193 | mr r11,r3 | |
194 | mr r3,r5 | |
195 | mr r4,r6 | |
196 | mr r5,r7 | |
197 | mr r6,r8 | |
198 | mr r7,r9 | |
199 | mr r8,r10 | |
200 | ||
201 | HVSC /* invoke the hypervisor */ | |
202 | ||
203 | HCALL_INST_POSTCALL | |
204 | ||
44ce6a5e | 205 | ld r12,STK_PARAM(R4)(r1) |
b8a590c4 IK |
206 | std r4, 0(r12) |
207 | std r5, 8(r12) | |
208 | std r6, 16(r12) | |
209 | std r7, 24(r12) | |
210 | ||
211 | lwz r0,8(r1) | |
212 | mtcrf 0xff,r0 | |
213 | ||
214 | blr /* return r3 = status */ | |
215 | ||
216 | /* Note: takes only 6 input parameters, 5 output parameters at maximum */ | |
217 | _GLOBAL(beat_hcall5) | |
218 | HMT_MEDIUM | |
219 | ||
220 | mfcr r0 | |
221 | stw r0,8(r1) | |
222 | ||
223 | HCALL_INST_PRECALL | |
224 | ||
44ce6a5e | 225 | std r4,STK_PARAM(R4)(r1) /* save ret buffer */ |
b8a590c4 IK |
226 | |
227 | mr r11,r3 | |
228 | mr r3,r5 | |
229 | mr r4,r6 | |
230 | mr r5,r7 | |
231 | mr r6,r8 | |
232 | mr r7,r9 | |
233 | mr r8,r10 | |
234 | ||
235 | HVSC /* invoke the hypervisor */ | |
236 | ||
237 | HCALL_INST_POSTCALL | |
238 | ||
44ce6a5e | 239 | ld r12,STK_PARAM(R4)(r1) |
b8a590c4 IK |
240 | std r4, 0(r12) |
241 | std r5, 8(r12) | |
242 | std r6, 16(r12) | |
243 | std r7, 24(r12) | |
244 | std r8, 32(r12) | |
245 | ||
246 | lwz r0,8(r1) | |
247 | mtcrf 0xff,r0 | |
248 | ||
249 | blr /* return r3 = status */ | |
250 | ||
251 | /* Note: takes only 6 input parameters, 6 output parameters at maximum */ | |
252 | _GLOBAL(beat_hcall6) | |
253 | HMT_MEDIUM | |
254 | ||
255 | mfcr r0 | |
256 | stw r0,8(r1) | |
257 | ||
258 | HCALL_INST_PRECALL | |
259 | ||
44ce6a5e | 260 | std r4,STK_PARAM(R4)(r1) /* save ret buffer */ |
b8a590c4 IK |
261 | |
262 | mr r11,r3 | |
263 | mr r3,r5 | |
264 | mr r4,r6 | |
265 | mr r5,r7 | |
266 | mr r6,r8 | |
267 | mr r7,r9 | |
268 | mr r8,r10 | |
269 | ||
270 | HVSC /* invoke the hypervisor */ | |
271 | ||
272 | HCALL_INST_POSTCALL | |
273 | ||
44ce6a5e | 274 | ld r12,STK_PARAM(R4)(r1) |
b8a590c4 IK |
275 | std r4, 0(r12) |
276 | std r5, 8(r12) | |
277 | std r6, 16(r12) | |
278 | std r7, 24(r12) | |
279 | std r8, 32(r12) | |
280 | std r9, 40(r12) | |
281 | ||
282 | lwz r0,8(r1) | |
283 | mtcrf 0xff,r0 | |
284 | ||
285 | blr /* return r3 = status */ |