test_timer.S (5140B)
1#include "macros.inc" 2 3#define CCOUNT_SHIFT 4 4#define WAIT_LOOPS 20 5#define level1 kernel 6#define INTERRUPT_LEVEL(n) glue3(XCHAL_INT, n, _LEVEL) 7 8.macro make_ccount_delta target, delta 9 rsr \delta, ccount 10 rsr \target, ccount 11 sub \delta, \target, \delta 12 slli \delta, \delta, CCOUNT_SHIFT 13 add \target, \target, \delta 14.endm 15 16test_suite timer 17 18#if XCHAL_HAVE_CCOUNT 19 20test ccount 21 rsr a3, ccount 22 rsr a4, ccount 23 assert ne, a3, a4 24test_end 25 26test ccount_write 27 rsr a3, ccount 28 rsr a4, ccount 29 sub a4, a4, a3 30 movi a2, 0x12345678 31 wsr a2, ccount 32 esync 33 rsr a3, ccount 34 sub a3, a3, a2 35 slli a4, a4, 2 36 assert ltu, a3, a4 37test_end 38 39#if XCHAL_NUM_TIMERS 40 41test ccount_update_deadline 42 movi a2, 0 43 wsr a2, intenable 44 rsr a2, interrupt 45 wsr a2, intclear 46 movi a2, 0 47#if XCHAL_NUM_TIMERS > 1 48 wsr a2, ccompare1 49#endif 50#if XCHAL_NUM_TIMERS > 2 51 wsr a2, ccompare2 52#endif 53 movi a2, 0x12345678 54 wsr a2, ccompare0 55 rsr a3, interrupt 56 assert eqi, a3, 0 57 movi a2, 0x12345677 58 wsr a2, ccount 59 esync 60 nop 61 rsr a2, interrupt 62 movi a3, 1 << XCHAL_TIMER0_INTERRUPT 63 assert eq, a2, a3 64test_end 65 66test ccompare 67 movi a2, 0 68 wsr a2, intenable 69 rsr a2, interrupt 70 wsr a2, intclear 71 movi a2, 0 72#if XCHAL_NUM_TIMERS > 1 73 wsr a2, ccompare1 74#endif 75#if XCHAL_NUM_TIMERS > 2 76 wsr a2, ccompare2 77#endif 78 79 make_ccount_delta a2, a15 80 wsr a2, ccompare0 811: 82 rsr a3, interrupt 83 rsr a4, ccount 84 rsr a5, interrupt 85 sub a4, a4, a2 86 bgez a4, 2f 87 assert eqi, a3, 0 88 j 1b 892: 90 assert nei, a5, 0 91test_end 92 93#if INTERRUPT_LEVEL(XCHAL_TIMER0_INTERRUPT) == 1 94test ccompare0_interrupt 95 set_vector kernel, 2f 96 movi a2, 0 97 wsr a2, intenable 98 rsr a2, interrupt 99 wsr a2, intclear 100 movi a2, 0 101#if XCHAL_NUM_TIMERS > 1 102 wsr a2, ccompare1 103#endif 104#if XCHAL_NUM_TIMERS > 2 105 wsr a2, ccompare2 106#endif 107 108 movi a3, WAIT_LOOPS 109 make_ccount_delta a2, a15 110 wsr a2, ccompare0 111 rsync 112 rsr a2, interrupt 113 assert eqi, a2, 0 114 115 movi a2, 1 << XCHAL_TIMER0_INTERRUPT 116 wsr a2, intenable 117 rsil a2, 0 118 loop a3, 1f 119 nop 1201: 121 test_fail 1222: 123 rsr a2, exccause 124 assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */ 125test_end 126#endif 127 128#if XCHAL_NUM_TIMERS > 1 129 130test ccompare1_interrupt 131 set_vector glue(level, INTERRUPT_LEVEL(XCHAL_TIMER1_INTERRUPT)), 2f 132 movi a2, 0 133 wsr a2, intenable 134 rsr a2, interrupt 135 wsr a2, intclear 136 movi a2, 0 137 wsr a2, ccompare0 138#if XCHAL_NUM_TIMERS > 2 139 wsr a2, ccompare2 140#endif 141 142 movi a3, WAIT_LOOPS 143 make_ccount_delta a2, a15 144 wsr a2, ccompare1 145 rsync 146 rsr a2, interrupt 147 assert eqi, a2, 0 148 movi a2, 1 << XCHAL_TIMER1_INTERRUPT 149 wsr a2, intenable 150 rsil a2, INTERRUPT_LEVEL(XCHAL_TIMER1_INTERRUPT) - 1 151 loop a3, 1f 152 nop 1531: 154 test_fail 1552: 156test_end 157 158#endif 159#if XCHAL_NUM_TIMERS > 2 160 161test ccompare2_interrupt 162 set_vector glue(level, INTERRUPT_LEVEL(XCHAL_TIMER2_INTERRUPT)), 2f 163 movi a2, 0 164 wsr a2, intenable 165 rsr a2, interrupt 166 wsr a2, intclear 167 movi a2, 0 168 wsr a2, ccompare0 169 wsr a2, ccompare1 170 171 movi a3, WAIT_LOOPS 172 make_ccount_delta a2, a15 173 wsr a2, ccompare2 174 rsync 175 rsr a2, interrupt 176 assert eqi, a2, 0 177 movi a2, 1 << XCHAL_TIMER2_INTERRUPT 178 wsr a2, intenable 179 rsil a2, INTERRUPT_LEVEL(XCHAL_TIMER2_INTERRUPT) - 1 180 loop a3, 1f 181 nop 1821: 183 test_fail 1842: 185test_end 186 187#endif 188 189test ccompare_interrupt_masked 190 set_vector kernel, 2f 191 movi a2, 0 192 wsr a2, intenable 193 rsr a2, interrupt 194 wsr a2, intclear 195 movi a2, 0 196#if XCHAL_NUM_TIMERS > 2 197 wsr a2, ccompare2 198#endif 199 200 movi a3, 2 * WAIT_LOOPS 201 make_ccount_delta a2, a15 202#if XCHAL_NUM_TIMERS > 1 203 wsr a2, ccompare1 204#endif 205 add a2, a2, a15 206 wsr a2, ccompare0 207 rsync 208 rsr a2, interrupt 209 assert eqi, a2, 0 210 211 movi a2, 1 << XCHAL_TIMER0_INTERRUPT 212 wsr a2, intenable 213 rsil a2, 0 214 loop a3, 1f 215 nop 2161: 217 test_fail 2182: 219 rsr a2, exccause 220 assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */ 221test_end 222 223test ccompare_interrupt_masked_waiti 224 set_vector kernel, 2f 225 movi a2, 0 226 wsr a2, intenable 227 rsr a2, interrupt 228 wsr a2, intclear 229 movi a2, 0 230#if XCHAL_NUM_TIMERS > 2 231 wsr a2, ccompare2 232#endif 233 234 movi a3, 2 * WAIT_LOOPS 235 make_ccount_delta a2, a15 236#if XCHAL_NUM_TIMERS > 1 237 wsr a2, ccompare1 238#endif 239 add a2, a2, a15 240 wsr a2, ccompare0 241 rsync 242 rsr a2, interrupt 243 assert eqi, a2, 0 244 245 movi a2, 1 << XCHAL_TIMER0_INTERRUPT 246 wsr a2, intenable 247 waiti 0 248 test_fail 2492: 250 rsr a2, exccause 251 assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */ 252test_end 253 254#endif 255#endif 256 257test_suite_end