| 1 | #include "macros.inc" |
| 2 | |
| 3 | #define LSBIT(v) ((v) & -(v)) |
| 4 | |
| 5 | #define LEVEL_MASK(x) glue3(XCHAL_INTLEVEL, x, _MASK) |
| 6 | #define LEVEL_SOFT_MASK(x) (LEVEL_MASK(x) & XCHAL_INTTYPE_MASK_SOFTWARE) |
| 7 | |
| 8 | #define L1_SOFT_MASK LEVEL_SOFT_MASK(1) |
| 9 | #define L1_SOFT LSBIT(L1_SOFT_MASK) |
| 10 | |
| 11 | #if LEVEL_SOFT_MASK(2) |
| 12 | #define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(2) |
| 13 | #elif LEVEL_SOFT_MASK(3) |
| 14 | #define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(3) |
| 15 | #elif LEVEL_SOFT_MASK(4) |
| 16 | #define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(4) |
| 17 | #elif LEVEL_SOFT_MASK(5) |
| 18 | #define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(5) |
| 19 | #elif LEVEL_SOFT_MASK(6) |
| 20 | #define HIGH_LEVEL_SOFT_MASK LEVEL_SOFT_MASK(6) |
| 21 | #else |
| 22 | #define HIGH_LEVEL_SOFT_MASK 0 |
| 23 | #endif |
| 24 | |
| 25 | #define HIGH_LEVEL_SOFT LSBIT(HIGH_LEVEL_SOFT_MASK) |
| 26 | |
| 27 | #if LEVEL_SOFT_MASK(2) |
| 28 | #define HIGH_LEVEL_SOFT_LEVEL 2 |
| 29 | #elif LEVEL_SOFT_MASK(3) |
| 30 | #define HIGH_LEVEL_SOFT_LEVEL 3 |
| 31 | #elif LEVEL_SOFT_MASK(4) |
| 32 | #define HIGH_LEVEL_SOFT_LEVEL 4 |
| 33 | #elif LEVEL_SOFT_MASK(5) |
| 34 | #define HIGH_LEVEL_SOFT_LEVEL 5 |
| 35 | #elif LEVEL_SOFT_MASK(6) |
| 36 | #define HIGH_LEVEL_SOFT_LEVEL 6 |
| 37 | #else |
| 38 | #define HIGH_LEVEL_SOFT_LEVEL 0 |
| 39 | #endif |
| 40 | |
| 41 | test_suite interrupt |
| 42 | |
| 43 | #if XCHAL_HAVE_INTERRUPTS |
| 44 | |
| 45 | .macro clear_interrupts |
| 46 | movi a2, 0 |
| 47 | wsr a2, intenable |
| 48 | #if XCHAL_NUM_TIMERS |
| 49 | wsr a2, ccompare0 |
| 50 | #endif |
| 51 | #if XCHAL_NUM_TIMERS > 1 |
| 52 | wsr a2, ccompare1 |
| 53 | #endif |
| 54 | #if XCHAL_NUM_TIMERS > 2 |
| 55 | wsr a2, ccompare2 |
| 56 | #endif |
| 57 | esync |
| 58 | rsr a2, interrupt |
| 59 | wsr a2, intclear |
| 60 | |
| 61 | esync |
| 62 | rsr a2, interrupt |
| 63 | assert eqi, a2, 0 |
| 64 | .endm |
| 65 | |
| 66 | .macro check_l1 |
| 67 | rsr a2, ps |
| 68 | movi a3, 0x1f /* EXCM | INTMASK */ |
| 69 | and a2, a2, a3 |
| 70 | assert eqi, a2, 0x10 /* only EXCM is set for level-1 interrupt */ |
| 71 | rsr a2, exccause |
| 72 | assert eqi, a2, 4 |
| 73 | .endm |
| 74 | |
| 75 | test rsil |
| 76 | clear_interrupts |
| 77 | |
| 78 | rsr a2, ps |
| 79 | rsil a3, 7 |
| 80 | rsr a4, ps |
| 81 | assert eq, a2, a3 |
| 82 | movi a2, 0xf |
| 83 | and a2, a4, a2 |
| 84 | assert eqi, a2, 7 |
| 85 | xor a3, a3, a4 |
| 86 | movi a2, 0xfffffff0 |
| 87 | and a2, a3, a2 |
| 88 | assert eqi, a2, 0 |
| 89 | test_end |
| 90 | |
| 91 | #if L1_SOFT |
| 92 | test soft_disabled |
| 93 | set_vector kernel, 1f |
| 94 | clear_interrupts |
| 95 | |
| 96 | movi a2, L1_SOFT |
| 97 | wsr a2, intset |
| 98 | esync |
| 99 | rsr a3, interrupt |
| 100 | movi a4, ~XCHAL_INTTYPE_MASK_TIMER |
| 101 | and a3, a3, a4 |
| 102 | assert eq, a2, a3 |
| 103 | wsr a2, intclear |
| 104 | esync |
| 105 | rsr a3, interrupt |
| 106 | and a3, a3, a4 |
| 107 | assert eqi, a3, 0 |
| 108 | j 2f |
| 109 | 1: |
| 110 | test_fail |
| 111 | 2: |
| 112 | test_end |
| 113 | |
| 114 | test soft_intenable |
| 115 | set_vector kernel, 1f |
| 116 | clear_interrupts |
| 117 | |
| 118 | movi a2, L1_SOFT |
| 119 | wsr a2, intset |
| 120 | esync |
| 121 | rsr a3, interrupt |
| 122 | movi a4, ~XCHAL_INTTYPE_MASK_TIMER |
| 123 | and a3, a3, a4 |
| 124 | assert eq, a2, a3 |
| 125 | rsil a3, 0 |
| 126 | wsr a2, intenable |
| 127 | esync |
| 128 | test_fail |
| 129 | 1: |
| 130 | check_l1 |
| 131 | test_end |
| 132 | |
| 133 | test soft_rsil |
| 134 | set_vector kernel, 1f |
| 135 | clear_interrupts |
| 136 | |
| 137 | movi a2, L1_SOFT |
| 138 | wsr a2, intset |
| 139 | esync |
| 140 | rsr a3, interrupt |
| 141 | movi a4, ~XCHAL_INTTYPE_MASK_TIMER |
| 142 | and a3, a3, a4 |
| 143 | assert eq, a2, a3 |
| 144 | wsr a2, intenable |
| 145 | rsil a3, 0 |
| 146 | esync |
| 147 | test_fail |
| 148 | 1: |
| 149 | check_l1 |
| 150 | test_end |
| 151 | |
| 152 | test soft_waiti |
| 153 | set_vector kernel, 1f |
| 154 | clear_interrupts |
| 155 | |
| 156 | movi a2, L1_SOFT |
| 157 | wsr a2, intset |
| 158 | esync |
| 159 | rsr a3, interrupt |
| 160 | movi a4, ~XCHAL_INTTYPE_MASK_TIMER |
| 161 | and a3, a3, a4 |
| 162 | assert eq, a2, a3 |
| 163 | wsr a2, intenable |
| 164 | waiti 0 |
| 165 | test_fail |
| 166 | 1: |
| 167 | check_l1 |
| 168 | test_end |
| 169 | |
| 170 | test soft_user |
| 171 | set_vector kernel, 1f |
| 172 | set_vector user, 2f |
| 173 | clear_interrupts |
| 174 | |
| 175 | movi a2, L1_SOFT |
| 176 | wsr a2, intset |
| 177 | esync |
| 178 | rsr a3, interrupt |
| 179 | movi a4, ~XCHAL_INTTYPE_MASK_TIMER |
| 180 | and a3, a3, a4 |
| 181 | assert eq, a2, a3 |
| 182 | wsr a2, intenable |
| 183 | |
| 184 | rsr a2, ps |
| 185 | movi a3, 0x20 |
| 186 | or a2, a2, a3 |
| 187 | wsr a2, ps |
| 188 | waiti 0 |
| 189 | 1: |
| 190 | test_fail |
| 191 | 2: |
| 192 | check_l1 |
| 193 | test_end |
| 194 | |
| 195 | #if HIGH_LEVEL_SOFT |
| 196 | test soft_priority |
| 197 | set_vector kernel, 1f |
| 198 | set_vector glue(level, HIGH_LEVEL_SOFT_LEVEL), 2f |
| 199 | clear_interrupts |
| 200 | |
| 201 | movi a2, L1_SOFT | HIGH_LEVEL_SOFT |
| 202 | wsr a2, intenable |
| 203 | rsil a3, 0 |
| 204 | esync |
| 205 | wsr a2, intset |
| 206 | esync |
| 207 | 1: |
| 208 | test_fail |
| 209 | 2: |
| 210 | rsr a2, ps |
| 211 | movi a3, 0x1f /* EXCM | INTMASK */ |
| 212 | and a2, a2, a3 |
| 213 | movi a3, 0x10 | HIGH_LEVEL_SOFT_LEVEL |
| 214 | assert eq, a2, a3 /* EXCM and INTMASK are set |
| 215 | for high-priority interrupt */ |
| 216 | test_end |
| 217 | #endif |
| 218 | #endif |
| 219 | |
| 220 | #if HIGH_LEVEL_SOFT |
| 221 | test eps_epc_rfi |
| 222 | set_vector glue(level, HIGH_LEVEL_SOFT_LEVEL), 3f |
| 223 | clear_interrupts |
| 224 | reset_ps |
| 225 | |
| 226 | movi a2, L1_SOFT_MASK | HIGH_LEVEL_SOFT_MASK |
| 227 | wsr a2, intenable |
| 228 | rsil a3, 0 |
| 229 | rsr a3, ps |
| 230 | esync |
| 231 | wsr a2, intset |
| 232 | 1: |
| 233 | esync |
| 234 | 2: |
| 235 | test_fail |
| 236 | 3: |
| 237 | rsr a2, glue(eps, HIGH_LEVEL_SOFT_LEVEL) |
| 238 | assert eq, a2, a3 |
| 239 | rsr a2, glue(epc, HIGH_LEVEL_SOFT_LEVEL) |
| 240 | movi a3, 1b |
| 241 | assert ge, a2, a3 |
| 242 | movi a3, 2b |
| 243 | assert ge, a3, a2 |
| 244 | movi a2, 4f |
| 245 | wsr a2, glue(epc, HIGH_LEVEL_SOFT_LEVEL) |
| 246 | movi a2, 0x40000 | HIGH_LEVEL_SOFT_LEVEL |
| 247 | wsr a2, glue(eps, HIGH_LEVEL_SOFT_LEVEL) |
| 248 | rfi HIGH_LEVEL_SOFT_LEVEL |
| 249 | test_fail |
| 250 | 4: |
| 251 | rsr a2, ps |
| 252 | movi a3, 0x40000 | HIGH_LEVEL_SOFT_LEVEL |
| 253 | assert eq, a2, a3 |
| 254 | test_end |
| 255 | #endif |
| 256 | |
| 257 | #endif |
| 258 | |
| 259 | test_suite_end |