arch/powerpc/platforms/cell/beat_hvCall.S

   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 /* 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
  75         ld      r10,STK_PARAM(R10)(r1)
  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
  95         std     r4,STK_PARAM(R4)(r1)    /* save ret buffer */
  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
 109         ld      r12,STK_PARAM(R4)(r1)
 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
 126         std     r4,STK_PARAM(R4)(r1)    /* save ret buffer */
 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
 140         ld      r12,STK_PARAM(R4)(r1)
 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
 158         std     r4,STK_PARAM(R4)(r1)    /* save ret buffer */
 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
 172         ld      r12,STK_PARAM(R4)(r1)
 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
 191         std     r4,STK_PARAM(R4)(r1)    /* save ret buffer */
 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
 205         ld      r12,STK_PARAM(R4)(r1)
 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
 225         std     r4,STK_PARAM(R4)(r1)    /* save ret buffer */
 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
 239         ld      r12,STK_PARAM(R4)(r1)
 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
 260         std     r4,STK_PARAM(R4)(r1)    /* save ret buffer */
 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
 274         ld      r12,STK_PARAM(R4)(r1)
 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 */