projects / mirror_edk2.git / blame
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|---|---|---|
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1 | /// Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
| 2 | /// This program and the accompanying materials\r | |
| c7f33ca4 | 3 | /// are licensed and made available under the terms and conditions of the BSD License\r |
| 4 | /// which accompanies this distribution. The full text of the license may be found at\r | |
| 5 | /// http://opensource.org/licenses/bsd-license.php\r | |
| 6 | ///\r | |
| 7 | /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 8 | /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 9 | ///\r | |
| 10 | /// Module Name: AccessGcr.s\r | |
| 11 | ///\r | |
| 12 | ///\r | |
| 13 | /// IPF specific Global Control Registers accessing functions\r | |
| 14 | ///\r | |
| 15 | \r | |
| 16 | //---------------------------------------------------------------------------------\r | |
| 17 | //++\r | |
| 18 | // AsmReadDcr\r | |
| 19 | //\r | |
| 20 | // This routine is used to Read the value of Default Control Register (DCR).\r | |
| 21 | //\r | |
| 22 | // Arguments :\r | |
| 23 | //\r | |
| 24 | // On Entry :\r | |
| 25 | //\r | |
| 26 | // Return Value: The current value of DCR.\r | |
| 27 | //\r | |
| 28 | //--\r | |
| 29 | //----------------------------------------------------------------------------------\r | |
| 30 | .text\r | |
| 31 | .type AsmReadDcr, @function\r | |
| 32 | .proc AsmReadDcr\r | |
| 33 | \r | |
| 34 | AsmReadDcr::\r | |
| 35 | mov r8 = cr.dcr;;\r | |
| 36 | br.ret.dpnt b0;;\r | |
| 37 | .endp AsmReadDcr\r | |
| 38 | \r | |
| 39 | //---------------------------------------------------------------------------------\r | |
| 40 | //++\r | |
| 41 | // AsmWriteDcr\r | |
| 42 | //\r | |
| 43 | // This routine is used to write the value to Default Control Register (DCR).\r | |
| 44 | //\r | |
| 45 | // Arguments :\r | |
| 46 | //\r | |
| 47 | // On Entry : The value need to be written to DCR\r | |
| 48 | //\r | |
| 49 | // Return Value: The value written to DCR.\r | |
| 50 | //\r | |
| 51 | //--\r | |
| 52 | //----------------------------------------------------------------------------------\r | |
| 53 | .text\r | |
| 54 | .type AsmWriteDcr, @function\r | |
| 55 | .proc AsmWriteDcr\r | |
| 56 | .regstk 1, 0, 0, 0\r | |
| 57 | \r | |
| 58 | AsmWriteDcr::\r | |
| 59 | mov cr.dcr = in0\r | |
| 60 | mov r8 = in0;;\r | |
| 61 | srlz.i;;\r | |
| 62 | srlz.d;;\r | |
| 63 | br.ret.dpnt b0;;\r | |
| 64 | .endp AsmWriteDcr\r | |
| 65 | \r | |
| 66 | \r | |
| 67 | //---------------------------------------------------------------------------------\r | |
| 68 | //++\r | |
| 69 | // AsmReadItc\r | |
| 70 | //\r | |
| 71 | // This routine is used to Read the value of Interval Timer Counter Register (ITC).\r | |
| 72 | //\r | |
| 73 | // Arguments :\r | |
| 74 | //\r | |
| 75 | // On Entry :\r | |
| 76 | //\r | |
| 77 | // Return Value: The current value of ITC.\r | |
| 78 | //\r | |
| 79 | //--\r | |
| 80 | //----------------------------------------------------------------------------------\r | |
| 81 | .text\r | |
| 82 | .type AsmReadItc, @function\r | |
| 83 | .proc AsmReadItc\r | |
| 84 | \r | |
| 85 | AsmReadItc::\r | |
| 86 | mov r8 = ar.itc;;\r | |
| 87 | br.ret.dpnt b0;;\r | |
| 88 | .endp AsmReadItc\r | |
| 89 | \r | |
| 90 | //---------------------------------------------------------------------------------\r | |
| 91 | //++\r | |
| 92 | // AsmWriteItc\r | |
| 93 | //\r | |
| 94 | // This routine is used to write the value to Interval Timer Counter Register (ITC).\r | |
| 95 | //\r | |
| 96 | // Arguments :\r | |
| 97 | //\r | |
| 98 | // On Entry : The value need to be written to the ITC\r | |
| 99 | //\r | |
| 100 | // Return Value: The value written to the ITC.\r | |
| 101 | //\r | |
| 102 | //--\r | |
| 103 | //----------------------------------------------------------------------------------\r | |
| 104 | .text\r | |
| 105 | .type AsmWriteItc, @function\r | |
| 106 | .proc AsmWriteItc\r | |
| 107 | .regstk 1, 0, 0, 0\r | |
| 108 | \r | |
| 109 | AsmWriteItc::\r | |
| 110 | mov ar.itc = in0\r | |
| 111 | mov r8 = in0;;\r | |
| 112 | br.ret.dpnt b0;;\r | |
| 113 | .endp AsmWriteItc\r | |
| 114 | \r | |
| 115 | \r | |
| 116 | //---------------------------------------------------------------------------------\r | |
| 117 | //++\r | |
| 118 | // AsmReadItm\r | |
| 119 | //\r | |
| 120 | // This routine is used to Read the value of Interval Timer Match Register (ITM).\r | |
| 121 | //\r | |
| 122 | // Arguments :\r | |
| 123 | //\r | |
| 124 | // On Entry :\r | |
| 125 | //\r | |
| 126 | // Return Value: The current value of ITM.\r | |
| 127 | //\r | |
| 128 | //--\r | |
| 129 | //----------------------------------------------------------------------------------\r | |
| 130 | .text\r | |
| 131 | .type AsmReadItm, @function\r | |
| 132 | .proc AsmReadItm\r | |
| 133 | \r | |
| 134 | AsmReadItm::\r | |
| 135 | mov r8 = cr.itm;;\r | |
| 136 | br.ret.dpnt b0;;\r | |
| 137 | .endp AsmReadItm\r | |
| 138 | \r | |
| 139 | //---------------------------------------------------------------------------------\r | |
| 140 | //++\r | |
| 141 | // AsmWriteItm\r | |
| 142 | //\r | |
| 143 | // This routine is used to write the value to Interval Timer Match Register (ITM).\r | |
| 144 | //\r | |
| 145 | // Arguments :\r | |
| 146 | //\r | |
| 147 | // On Entry : The value need to be written to ITM\r | |
| 148 | //\r | |
| 149 | // Return Value: The value written to ITM.\r | |
| 150 | //\r | |
| 151 | //--\r | |
| 152 | //----------------------------------------------------------------------------------\r | |
| 153 | .text\r | |
| 154 | .type AsmWriteItm, @function\r | |
| 155 | .proc AsmWriteItm\r | |
| 156 | .regstk 1, 0, 0, 0\r | |
| 157 | \r | |
| 158 | AsmWriteItm::\r | |
| 159 | mov cr.itm = in0\r | |
| 160 | mov r8 = in0;;\r | |
| 161 | srlz.d;\r | |
| 162 | br.ret.dpnt b0;;\r | |
| 163 | .endp AsmWriteItm\r | |
| 164 | \r | |
| 165 | \r | |
| 166 | //---------------------------------------------------------------------------------\r | |
| 167 | //++\r | |
| 168 | // AsmReadIva\r | |
| 169 | //\r | |
| 170 | // This routine is used to read the value of Interruption Vector Address Register (IVA).\r | |
| 171 | //\r | |
| 172 | // Arguments :\r | |
| 173 | //\r | |
| 174 | // On Entry :\r | |
| 175 | //\r | |
| 176 | // Return Value: The current value of IVA.\r | |
| 177 | //\r | |
| 178 | //--\r | |
| 179 | //----------------------------------------------------------------------------------\r | |
| 180 | .text\r | |
| 181 | .type AsmReadIva, @function\r | |
| 182 | .proc AsmReadIva\r | |
| 183 | \r | |
| 184 | AsmReadIva::\r | |
| 185 | mov r8 = cr.iva;;\r | |
| 186 | br.ret.dpnt b0;;\r | |
| 187 | .endp AsmReadIva\r | |
| 188 | \r | |
| 189 | //---------------------------------------------------------------------------------\r | |
| 190 | //++\r | |
| 191 | // AsmWriteIva\r | |
| 192 | //\r | |
| 193 | // This routine is used to write the value to Interruption Vector Address Register (IVA).\r | |
| 194 | //\r | |
| 195 | // Arguments :\r | |
| 196 | //\r | |
| 197 | // On Entry : The value need to be written to IVA\r | |
| 198 | //\r | |
| 199 | // Return Value: The value written to IVA.\r | |
| 200 | //\r | |
| 201 | //--\r | |
| 202 | //----------------------------------------------------------------------------------\r | |
| 203 | .text\r | |
| 204 | .type AsmWriteIva, @function\r | |
| 205 | .proc AsmWriteIva\r | |
| 206 | .regstk 1, 0, 0, 0\r | |
| 207 | \r | |
| 208 | AsmWriteIva::\r | |
| 209 | mov cr.iva = in0\r | |
| 210 | mov r8 = in0;;\r | |
| 211 | br.ret.dpnt b0;;\r | |
| 212 | .endp AsmWriteIva\r | |
| 213 | \r | |
| 214 | \r | |
| 215 | //---------------------------------------------------------------------------------\r | |
| 216 | //++\r | |
| 217 | // AsmReadPta\r | |
| 218 | //\r | |
| 219 | // This routine is used to read the value of Page Table Address Register (PTA).\r | |
| 220 | //\r | |
| 221 | // Arguments :\r | |
| 222 | //\r | |
| 223 | // On Entry :\r | |
| 224 | //\r | |
| 225 | // Return Value: The current value of PTA.\r | |
| 226 | //\r | |
| 227 | //--\r | |
| 228 | //----------------------------------------------------------------------------------\r | |
| 229 | .text\r | |
| 230 | .type AsmReadPta, @function\r | |
| 231 | .proc AsmReadPta\r | |
| 232 | \r | |
| 233 | AsmReadPta::\r | |
| 234 | mov r8 = cr.pta;;\r | |
| 235 | br.ret.dpnt b0;;\r | |
| 236 | .endp AsmReadPta\r | |
| 237 | \r | |
| 238 | //---------------------------------------------------------------------------------\r | |
| 239 | //++\r | |
| 240 | // AsmWritePta\r | |
| 241 | //\r | |
| 242 | // This routine is used to write the value to Page Table Address Register (PTA)).\r | |
| 243 | //\r | |
| 244 | // Arguments :\r | |
| 245 | //\r | |
| 246 | // On Entry : The value need to be written to PTA\r | |
| 247 | //\r | |
| 248 | // Return Value: The value written to PTA.\r | |
| 249 | //\r | |
| 250 | //--\r | |
| 251 | //----------------------------------------------------------------------------------\r | |
| 252 | .text\r | |
| 253 | .type AsmWritePta, @function\r | |
| 254 | .proc AsmWritePta\r | |
| 255 | .regstk 1, 0, 0, 0\r | |
| 256 | \r | |
| 257 | AsmWritePta::\r | |
| 258 | mov cr.pta = in0\r | |
| 259 | mov r8 = in0;;\r | |
| 260 | srlz.i;;\r | |
| 261 | srlz.d;;\r | |
| 262 | br.ret.dpnt b0;;\r | |
| 263 | .endp AsmWritePta |