projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 702d582e PG |
1 | /* Tests instructions l.mfspr and l.mtspr. |
| 2 | ||
| b811d2c2 | 3 | Copyright (C) 2017-2020 Free Software Foundation, Inc. |
| 702d582e PG |
4 | |
| 5 | This program is free software; you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU General Public License as published by | |
| 7 | the Free Software Foundation; either version 3 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU General Public License | |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 17 | ||
| 18 | # mach: or1k | |
| 19 | # output: report(0x00000000);\n | |
| 20 | # output: report(0x00002801);\n | |
| 21 | # output: report(0xdeadbeef);\n | |
| 22 | # output: \n | |
| 23 | # output: report(0x00002801);\n | |
| 24 | # output: report(0x00000000);\n | |
| 25 | # output: report(0xdeadbeef);\n | |
| 26 | # output: \n | |
| 27 | # output: report(0x00002801);\n | |
| 28 | # output: report(0x00002801);\n | |
| 29 | # output: report(0xdeadbeef);\n | |
| 30 | # output: \n | |
| 31 | # output: report(0x00000801);\n | |
| 32 | # output: report(0x00002000);\n | |
| 33 | # output: report(0xdeadbeef);\n | |
| 34 | # output: \n | |
| 35 | # output: report(0x00002000);\n | |
| 36 | # output: report(0x00000801);\n | |
| 37 | # output: report(0xdeadbeef);\n | |
| 38 | # output: \n | |
| 39 | # output: report(0x00002801);\n | |
| 40 | # output: report(0x00000001);\n | |
| 41 | # output: report(0xdeadbeef);\n | |
| 42 | # output: \n | |
| 43 | # output: report(0x00000800);\n | |
| 44 | # output: report(0x00002801);\n | |
| 45 | # output: report(0xdeadbeef);\n | |
| 46 | # output: \n | |
| 47 | # output: report(0x00000000);\n | |
| 48 | # output: report(0x00002801);\n | |
| 49 | # output: report(0xdeadbeef);\n | |
| 50 | # output: \n | |
| 51 | # output: report(0x00002801);\n | |
| 52 | # output: report(0x00000000);\n | |
| 53 | # output: report(0xdeadbeef);\n | |
| 54 | # output: \n | |
| 55 | # output: report(0x00002801);\n | |
| 56 | # output: report(0x00002801);\n | |
| 57 | # output: report(0xdeadbeef);\n | |
| 58 | # output: \n | |
| 59 | # output: report(0x00000801);\n | |
| 60 | # output: report(0x00002000);\n | |
| 61 | # output: report(0xdeadbeef);\n | |
| 62 | # output: \n | |
| 63 | # output: report(0x00002000);\n | |
| 64 | # output: report(0x00000801);\n | |
| 65 | # output: report(0xdeadbeef);\n | |
| 66 | # output: \n | |
| 67 | # output: report(0x00002801);\n | |
| 68 | # output: report(0x00000001);\n | |
| 69 | # output: report(0xdeadbeef);\n | |
| 70 | # output: \n | |
| 71 | # output: report(0x00000800);\n | |
| 72 | # output: report(0x00002801);\n | |
| 73 | # output: report(0xdeadbeef);\n | |
| 74 | # output: \n | |
| 75 | # output: exit(0)\n | |
| 76 | ||
| 77 | #include "or1k-asm-test-env.h" | |
| 78 | ||
| 79 | #define MACLO_VAL 0xdeadbeef | |
| 80 | ||
| 81 | /* A macro to carry out a test of l.mfspr. | |
| 82 | ||
| 83 | MACLO (0x2801) is used as the SPR, since it can be read and | |
| 84 | cleared using l.macrc and can be set using l.maci. spr_number | |
| 85 | and immediate_val_to_or should be chosen to address this | |
| 86 | register. | |
| 87 | ||
| 88 | The value placed in the register is entirely arbitrary - we use | |
| 89 | 0xdeadbeef. */ | |
| 90 | ||
| 91 | .macro TEST_MFSPR spr_number, immediate_val_to_or | |
| 92 | REPORT_IMMEDIATE_TO_CONSOLE \spr_number | |
| 93 | REPORT_IMMEDIATE_TO_CONSOLE \immediate_val_to_or | |
| 94 | /* Write MACLO_VAL to MACLO. */ | |
| 95 | l.macrc r2 | |
| 96 | LOAD_IMMEDIATE r2, MACLO_VAL | |
| 97 | l.maci r2, 1 | |
| 98 | LOAD_IMMEDIATE r5, \spr_number | |
| 99 | l.mfspr r4, r5, \immediate_val_to_or | |
| 100 | REPORT_REG_TO_CONSOLE r4 | |
| 101 | PRINT_NEWLINE_TO_CONSOLE | |
| 102 | .endm | |
| 103 | ||
| 104 | /* A macro to carry out a test of l.mtspr | |
| 105 | ||
| 106 | MACLO (0x2801) is used as the SPR, since it can be read and | |
| 107 | cleared using l.macrc and can be set using l.maci. The | |
| 108 | arguments spr_number and immediate_val_to_or should be chosen | |
| 109 | to address this register. | |
| 110 | ||
| 111 | The value placed in the register is entirely arbitrary - we use | |
| 112 | 0xdeadbeef. */ | |
| 113 | ||
| 114 | .macro TEST_MTSPR spr_number, immediate_val_to_or | |
| 115 | REPORT_IMMEDIATE_TO_CONSOLE \spr_number | |
| 116 | REPORT_IMMEDIATE_TO_CONSOLE \immediate_val_to_or | |
| 117 | /* Clear MACLO */ | |
| 118 | l.macrc r2 | |
| 119 | LOAD_IMMEDIATE r4, MACLO_VAL | |
| 120 | LOAD_IMMEDIATE r5, \spr_number | |
| 121 | l.mtspr r5, r4, \immediate_val_to_or | |
| 122 | /* Retrieve MACLO. */ | |
| 123 | l.macrc r4 | |
| 124 | REPORT_REG_TO_CONSOLE r4 | |
| 125 | PRINT_NEWLINE_TO_CONSOLE | |
| 126 | .endm | |
| 127 | ||
| 128 | STANDARD_TEST_ENVIRONMENT | |
| 129 | ||
| 130 | .section .text | |
| 131 | start_tests: | |
| 132 | PUSH LINK_REGISTER_R9 | |
| 133 | ||
| 134 | /* Test the l.mfspr instruction with a range of operands. */ | |
| 135 | ||
| 136 | /* Move a test value using zero in the register. */ | |
| 137 | TEST_MFSPR SPR_VR, SPR_MACLO /* 0x0000, 0x2801 */ | |
| 138 | ||
| 139 | /* Move a test value using zero as the constant. */ | |
| 140 | TEST_MFSPR SPR_MACLO, SPR_VR /* 0x2801, 0x0000 */ | |
| 141 | ||
| 142 | /* Move a test value using non-zero in both register and constant. */ | |
| 143 | ||
| 144 | /* Some of these values will not give the correct result if OR | |
| 145 | rather than ADD is used to determine the SPR address. */ | |
| 146 | TEST_MFSPR SPR_MACLO, SPR_MACLO /* 0x2801, 0x2801 */ | |
| 147 | TEST_MFSPR SPR_DMMUPR, SPR_ICCR /* 0x0801, 0x2000 */ | |
| 148 | TEST_MFSPR SPR_ICCR, SPR_DMMUPR /* 0x2000, 0x0801 */ | |
| 149 | TEST_MFSPR SPR_MACLO, SPR_UPR /* 0x2801, 0x0001 */ | |
| 150 | TEST_MFSPR SPR_DMMUCR, SPR_MACLO /* 0x0800, 0x2801 */ | |
| 151 | ||
| 152 | /* Test the l.mtspr instruction with a range of operands. */ | |
| 153 | ||
| 154 | /* Move a test value using zero in the register. */ | |
| 155 | TEST_MTSPR SPR_VR, SPR_MACLO /* 0x0000, 0x2801 */ | |
| 156 | ||
| 157 | /* Move a test value using zero as the constant. */ | |
| 158 | TEST_MTSPR SPR_MACLO, SPR_VR /* 0x2801, 0x0000 */ | |
| 159 | ||
| 160 | /* Move a test value using non-zero in both register and constant. */ | |
| 161 | ||
| 162 | /* Some of these values will not give the correct result if or | |
| 163 | rather than add is used to determine the SPR address. */ | |
| 164 | TEST_MTSPR SPR_MACLO, SPR_MACLO /* 0x2801, 0x2801 */ | |
| 165 | TEST_MTSPR SPR_DMMUPR, SPR_ICCR /* 0x0801, 0x2000 */ | |
| 166 | TEST_MTSPR SPR_ICCR, SPR_DMMUPR /* 0x2000, 0x0801 */ | |
| 167 | TEST_MTSPR SPR_MACLO, SPR_UPR /* 0x2801, 0x0001 */ | |
| 168 | TEST_MTSPR SPR_DMMUCR, SPR_MACLO /* 0x0800, 0x2801 */ | |
| 169 | ||
| 170 | POP LINK_REGISTER_R9 | |
| 171 | RETURN_TO_LINK_REGISTER_R9 |