projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 25 | #define STK_PARM(i) (48 + ((i)-3)*8) | |
| 26 | ||
| 27 | /* Not implemented on Beat, now */ | |
| 28 | #define HCALL_INST_PRECALL | |
| 29 | #define HCALL_INST_POSTCALL | |
| 30 | ||
| 31 | .text | |
| 32 | ||
| 33 | #define HVSC .long 0x44000022 | |
| 34 | ||
| 35 | /* Note: takes only 7 input parameters at maximum */ | |
| 36 | _GLOBAL(beat_hcall_norets) | |
| 37 | HMT_MEDIUM | |
| 38 | ||
| 39 | mfcr r0 | |
| 40 | stw r0,8(r1) | |
| 41 | ||
| 42 | HCALL_INST_PRECALL | |
| 43 | ||
| 44 | mr r11,r3 | |
| 45 | mr r3,r4 | |
| 46 | mr r4,r5 | |
| 47 | mr r5,r6 | |
| 48 | mr r6,r7 | |
| 49 | mr r7,r8 | |
| 50 | mr r8,r9 | |
| 51 | ||
| 52 | HVSC /* invoke the hypervisor */ | |
| 53 | ||
| 54 | HCALL_INST_POSTCALL | |
| 55 | ||
| 56 | lwz r0,8(r1) | |
| 57 | mtcrf 0xff,r0 | |
| 58 | ||
| 59 | blr /* return r3 = status */ | |
| 60 | ||
| 61 | /* Note: takes 8 input parameters at maximum */ | |
| 62 | _GLOBAL(beat_hcall_norets8) | |
| 63 | HMT_MEDIUM | |
| 64 | ||
| 65 | mfcr r0 | |
| 66 | stw r0,8(r1) | |
| 67 | ||
| 68 | HCALL_INST_PRECALL | |
| 69 | ||
| 70 | mr r11,r3 | |
| 71 | mr r3,r4 | |
| 72 | mr r4,r5 | |
| 73 | mr r5,r6 | |
| 74 | mr r6,r7 | |
| 75 | mr r7,r8 | |
| 76 | mr r8,r9 | |
| 77 | ld r10,STK_PARM(r10)(r1) | |
| 78 | ||
| 79 | HVSC /* invoke the hypervisor */ | |
| 80 | ||
| 81 | HCALL_INST_POSTCALL | |
| 82 | ||
| 83 | lwz r0,8(r1) | |
| 84 | mtcrf 0xff,r0 | |
| 85 | ||
| 86 | blr /* return r3 = status */ | |
| 87 | ||
| 88 | /* Note: takes only 6 input parameters, 1 output parameters at maximum */ | |
| 89 | _GLOBAL(beat_hcall1) | |
| 90 | HMT_MEDIUM | |
| 91 | ||
| 92 | mfcr r0 | |
| 93 | stw r0,8(r1) | |
| 94 | ||
| 95 | HCALL_INST_PRECALL | |
| 96 | ||
| 97 | std r4,STK_PARM(r4)(r1) /* save ret buffer */ | |
| 98 | ||
| 99 | mr r11,r3 | |
| 100 | mr r3,r5 | |
| 101 | mr r4,r6 | |
| 102 | mr r5,r7 | |
| 103 | mr r6,r8 | |
| 104 | mr r7,r9 | |
| 105 | mr r8,r10 | |
| 106 | ||
| 107 | HVSC /* invoke the hypervisor */ | |
| 108 | ||
| 109 | HCALL_INST_POSTCALL | |
| 110 | ||
| 111 | ld r12,STK_PARM(r4)(r1) | |
| 112 | std r4, 0(r12) | |
| 113 | ||
| 114 | lwz r0,8(r1) | |
| 115 | mtcrf 0xff,r0 | |
| 116 | ||
| 117 | blr /* return r3 = status */ | |
| 118 | ||
| 119 | /* Note: takes only 6 input parameters, 2 output parameters at maximum */ | |
| 120 | _GLOBAL(beat_hcall2) | |
| 121 | HMT_MEDIUM | |
| 122 | ||
| 123 | mfcr r0 | |
| 124 | stw r0,8(r1) | |
| 125 | ||
| 126 | HCALL_INST_PRECALL | |
| 127 | ||
| 128 | std r4,STK_PARM(r4)(r1) /* save ret buffer */ | |
| 129 | ||
| 130 | mr r11,r3 | |
| 131 | mr r3,r5 | |
| 132 | mr r4,r6 | |
| 133 | mr r5,r7 | |
| 134 | mr r6,r8 | |
| 135 | mr r7,r9 | |
| 136 | mr r8,r10 | |
| 137 | ||
| 138 | HVSC /* invoke the hypervisor */ | |
| 139 | ||
| 140 | HCALL_INST_POSTCALL | |
| 141 | ||
| 142 | ld r12,STK_PARM(r4)(r1) | |
| 143 | std r4, 0(r12) | |
| 144 | std r5, 8(r12) | |
| 145 | ||
| 146 | lwz r0,8(r1) | |
| 147 | mtcrf 0xff,r0 | |
| 148 | ||
| 149 | blr /* return r3 = status */ | |
| 150 | ||
| 151 | /* Note: takes only 6 input parameters, 3 output parameters at maximum */ | |
| 152 | _GLOBAL(beat_hcall3) | |
| 153 | HMT_MEDIUM | |
| 154 | ||
| 155 | mfcr r0 | |
| 156 | stw r0,8(r1) | |
| 157 | ||
| 158 | HCALL_INST_PRECALL | |
| 159 | ||
| 160 | std r4,STK_PARM(r4)(r1) /* save ret buffer */ | |
| 161 | ||
| 162 | mr r11,r3 | |
| 163 | mr r3,r5 | |
| 164 | mr r4,r6 | |
| 165 | mr r5,r7 | |
| 166 | mr r6,r8 | |
| 167 | mr r7,r9 | |
| 168 | mr r8,r10 | |
| 169 | ||
| 170 | HVSC /* invoke the hypervisor */ | |
| 171 | ||
| 172 | HCALL_INST_POSTCALL | |
| 173 | ||
| 174 | ld r12,STK_PARM(r4)(r1) | |
| 175 | std r4, 0(r12) | |
| 176 | std r5, 8(r12) | |
| 177 | std r6, 16(r12) | |
| 178 | ||
| 179 | lwz r0,8(r1) | |
| 180 | mtcrf 0xff,r0 | |
| 181 | ||
| 182 | blr /* return r3 = status */ | |
| 183 | ||
| 184 | /* Note: takes only 6 input parameters, 4 output parameters at maximum */ | |
| 185 | _GLOBAL(beat_hcall4) | |
| 186 | HMT_MEDIUM | |
| 187 | ||
| 188 | mfcr r0 | |
| 189 | stw r0,8(r1) | |
| 190 | ||
| 191 | HCALL_INST_PRECALL | |
| 192 | ||
| 193 | std r4,STK_PARM(r4)(r1) /* save ret buffer */ | |
| 194 | ||
| 195 | mr r11,r3 | |
| 196 | mr r3,r5 | |
| 197 | mr r4,r6 | |
| 198 | mr r5,r7 | |
| 199 | mr r6,r8 | |
| 200 | mr r7,r9 | |
| 201 | mr r8,r10 | |
| 202 | ||
| 203 | HVSC /* invoke the hypervisor */ | |
| 204 | ||
| 205 | HCALL_INST_POSTCALL | |
| 206 | ||
| 207 | ld r12,STK_PARM(r4)(r1) | |
| 208 | std r4, 0(r12) | |
| 209 | std r5, 8(r12) | |
| 210 | std r6, 16(r12) | |
| 211 | std r7, 24(r12) | |
| 212 | ||
| 213 | lwz r0,8(r1) | |
| 214 | mtcrf 0xff,r0 | |
| 215 | ||
| 216 | blr /* return r3 = status */ | |
| 217 | ||
| 218 | /* Note: takes only 6 input parameters, 5 output parameters at maximum */ | |
| 219 | _GLOBAL(beat_hcall5) | |
| 220 | HMT_MEDIUM | |
| 221 | ||
| 222 | mfcr r0 | |
| 223 | stw r0,8(r1) | |
| 224 | ||
| 225 | HCALL_INST_PRECALL | |
| 226 | ||
| 227 | std r4,STK_PARM(r4)(r1) /* save ret buffer */ | |
| 228 | ||
| 229 | mr r11,r3 | |
| 230 | mr r3,r5 | |
| 231 | mr r4,r6 | |
| 232 | mr r5,r7 | |
| 233 | mr r6,r8 | |
| 234 | mr r7,r9 | |
| 235 | mr r8,r10 | |
| 236 | ||
| 237 | HVSC /* invoke the hypervisor */ | |
| 238 | ||
| 239 | HCALL_INST_POSTCALL | |
| 240 | ||
| 241 | ld r12,STK_PARM(r4)(r1) | |
| 242 | std r4, 0(r12) | |
| 243 | std r5, 8(r12) | |
| 244 | std r6, 16(r12) | |
| 245 | std r7, 24(r12) | |
| 246 | std r8, 32(r12) | |
| 247 | ||
| 248 | lwz r0,8(r1) | |
| 249 | mtcrf 0xff,r0 | |
| 250 | ||
| 251 | blr /* return r3 = status */ | |
| 252 | ||
| 253 | /* Note: takes only 6 input parameters, 6 output parameters at maximum */ | |
| 254 | _GLOBAL(beat_hcall6) | |
| 255 | HMT_MEDIUM | |
| 256 | ||
| 257 | mfcr r0 | |
| 258 | stw r0,8(r1) | |
| 259 | ||
| 260 | HCALL_INST_PRECALL | |
| 261 | ||
| 262 | std r4,STK_PARM(r4)(r1) /* save ret buffer */ | |
| 263 | ||
| 264 | mr r11,r3 | |
| 265 | mr r3,r5 | |
| 266 | mr r4,r6 | |
| 267 | mr r5,r7 | |
| 268 | mr r6,r8 | |
| 269 | mr r7,r9 | |
| 270 | mr r8,r10 | |
| 271 | ||
| 272 | HVSC /* invoke the hypervisor */ | |
| 273 | ||
| 274 | HCALL_INST_POSTCALL | |
| 275 | ||
| 276 | ld r12,STK_PARM(r4)(r1) | |
| 277 | std r4, 0(r12) | |
| 278 | std r5, 8(r12) | |
| 279 | std r6, 16(r12) | |
| 280 | std r7, 24(r12) | |
| 281 | std r8, 32(r12) | |
| 282 | std r9, 40(r12) | |
| 283 | ||
| 284 | lwz r0,8(r1) | |
| 285 | mtcrf 0xff,r0 | |
| 286 | ||
| 287 | blr /* return r3 = status */ |