| #include "macros.inc" |
| |
| #define CCOUNT_SHIFT 4 |
| #define WAIT_LOOPS 20 |
| #define level1 kernel |
| #define INTERRUPT_LEVEL(n) glue3(XCHAL_INT, n, _LEVEL) |
| |
| .macro make_ccount_delta target, delta |
| rsr \delta, ccount |
| rsr \target, ccount |
| sub \delta, \target, \delta |
| slli \delta, \delta, CCOUNT_SHIFT |
| add \target, \target, \delta |
| .endm |
| |
| test_suite timer |
| |
| #if XCHAL_HAVE_CCOUNT |
| |
| test ccount |
| rsr a3, ccount |
| rsr a4, ccount |
| assert ne, a3, a4 |
| test_end |
| |
| test ccount_write |
| rsr a3, ccount |
| rsr a4, ccount |
| sub a4, a4, a3 |
| movi a2, 0x12345678 |
| wsr a2, ccount |
| esync |
| rsr a3, ccount |
| sub a3, a3, a2 |
| slli a4, a4, 2 |
| assert ltu, a3, a4 |
| test_end |
| |
| #if XCHAL_NUM_TIMERS |
| |
| test ccount_update_deadline |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| #if XCHAL_NUM_TIMERS > 1 |
| wsr a2, ccompare1 |
| #endif |
| #if XCHAL_NUM_TIMERS > 2 |
| wsr a2, ccompare2 |
| #endif |
| movi a2, 0x12345678 |
| wsr a2, ccompare0 |
| rsr a3, interrupt |
| assert eqi, a3, 0 |
| movi a2, 0x12345677 |
| wsr a2, ccount |
| esync |
| nop |
| rsr a2, interrupt |
| movi a3, 1 << XCHAL_TIMER0_INTERRUPT |
| assert eq, a2, a3 |
| test_end |
| |
| test ccompare |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| #if XCHAL_NUM_TIMERS > 1 |
| wsr a2, ccompare1 |
| #endif |
| #if XCHAL_NUM_TIMERS > 2 |
| wsr a2, ccompare2 |
| #endif |
| |
| make_ccount_delta a2, a15 |
| wsr a2, ccompare0 |
| 1: |
| rsr a3, interrupt |
| rsr a4, ccount |
| rsr a5, interrupt |
| sub a4, a4, a2 |
| bgez a4, 2f |
| assert eqi, a3, 0 |
| j 1b |
| 2: |
| assert nei, a5, 0 |
| test_end |
| |
| #if INTERRUPT_LEVEL(XCHAL_TIMER0_INTERRUPT) == 1 |
| test ccompare0_interrupt |
| set_vector kernel, 2f |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| #if XCHAL_NUM_TIMERS > 1 |
| wsr a2, ccompare1 |
| #endif |
| #if XCHAL_NUM_TIMERS > 2 |
| wsr a2, ccompare2 |
| #endif |
| |
| movi a3, WAIT_LOOPS |
| make_ccount_delta a2, a15 |
| wsr a2, ccompare0 |
| rsync |
| rsr a2, interrupt |
| assert eqi, a2, 0 |
| |
| movi a2, 1 << XCHAL_TIMER0_INTERRUPT |
| wsr a2, intenable |
| rsil a2, 0 |
| loop a3, 1f |
| nop |
| 1: |
| test_fail |
| 2: |
| rsr a2, exccause |
| assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */ |
| test_end |
| #endif |
| |
| #if XCHAL_NUM_TIMERS > 1 |
| |
| test ccompare1_interrupt |
| set_vector glue(level, INTERRUPT_LEVEL(XCHAL_TIMER1_INTERRUPT)), 2f |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| wsr a2, ccompare0 |
| #if XCHAL_NUM_TIMERS > 2 |
| wsr a2, ccompare2 |
| #endif |
| |
| movi a3, WAIT_LOOPS |
| make_ccount_delta a2, a15 |
| wsr a2, ccompare1 |
| rsync |
| rsr a2, interrupt |
| assert eqi, a2, 0 |
| movi a2, 1 << XCHAL_TIMER1_INTERRUPT |
| wsr a2, intenable |
| rsil a2, INTERRUPT_LEVEL(XCHAL_TIMER1_INTERRUPT) - 1 |
| loop a3, 1f |
| nop |
| 1: |
| test_fail |
| 2: |
| test_end |
| |
| #endif |
| #if XCHAL_NUM_TIMERS > 2 |
| |
| test ccompare2_interrupt |
| set_vector glue(level, INTERRUPT_LEVEL(XCHAL_TIMER2_INTERRUPT)), 2f |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| wsr a2, ccompare0 |
| wsr a2, ccompare1 |
| |
| movi a3, WAIT_LOOPS |
| make_ccount_delta a2, a15 |
| wsr a2, ccompare2 |
| rsync |
| rsr a2, interrupt |
| assert eqi, a2, 0 |
| movi a2, 1 << XCHAL_TIMER2_INTERRUPT |
| wsr a2, intenable |
| rsil a2, INTERRUPT_LEVEL(XCHAL_TIMER2_INTERRUPT) - 1 |
| loop a3, 1f |
| nop |
| 1: |
| test_fail |
| 2: |
| test_end |
| |
| #endif |
| |
| test ccompare_interrupt_masked |
| set_vector kernel, 2f |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| #if XCHAL_NUM_TIMERS > 2 |
| wsr a2, ccompare2 |
| #endif |
| |
| movi a3, 2 * WAIT_LOOPS |
| make_ccount_delta a2, a15 |
| #if XCHAL_NUM_TIMERS > 1 |
| wsr a2, ccompare1 |
| #endif |
| add a2, a2, a15 |
| wsr a2, ccompare0 |
| rsync |
| rsr a2, interrupt |
| assert eqi, a2, 0 |
| |
| movi a2, 1 << XCHAL_TIMER0_INTERRUPT |
| wsr a2, intenable |
| rsil a2, 0 |
| loop a3, 1f |
| nop |
| 1: |
| test_fail |
| 2: |
| rsr a2, exccause |
| assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */ |
| test_end |
| |
| test ccompare_interrupt_masked_waiti |
| set_vector kernel, 2f |
| movi a2, 0 |
| wsr a2, intenable |
| rsr a2, interrupt |
| wsr a2, intclear |
| movi a2, 0 |
| #if XCHAL_NUM_TIMERS > 2 |
| wsr a2, ccompare2 |
| #endif |
| |
| movi a3, 2 * WAIT_LOOPS |
| make_ccount_delta a2, a15 |
| #if XCHAL_NUM_TIMERS > 1 |
| wsr a2, ccompare1 |
| #endif |
| add a2, a2, a15 |
| wsr a2, ccompare0 |
| rsync |
| rsr a2, interrupt |
| assert eqi, a2, 0 |
| |
| movi a2, 1 << XCHAL_TIMER0_INTERRUPT |
| wsr a2, intenable |
| waiti 0 |
| test_fail |
| 2: |
| rsr a2, exccause |
| assert eqi, a2, 4 /* LEVEL1_INTERRUPT_CAUSE */ |
| test_end |
| |
| #endif |
| #endif |
| |
| test_suite_end |
