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| author | Max Filippov <jcmvbkbc@gmail.com> | 2017-01-15 08:42:31 -0800 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2017-01-15 13:01:56 -0800 |
| commit | 0a362d0768c443cf9e5c36c8398c92bfebe9b8a4 (patch) | |
| tree | 11e0c32d8483b71586b17d07f2c5d96efc73404e /tests | |
| parent | 4f89b41c28a17739c4fd40886542e3cb8c7a15a3 (diff) | |
target/xtensa: tests: add ccount write tests
Check that CCOUNT SR is writable and that CCOMPARE timers are updated
when CCOUNT is written to.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/xtensa/test_timer.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_timer.S b/tests/tcg/xtensa/test_timer.S index 844c0327aa..6cda71adbb 100644 --- a/tests/tcg/xtensa/test_timer.S +++ b/tests/tcg/xtensa/test_timer.S @@ -19,6 +19,40 @@ test 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 + +test ccount_update_deadline + movi a2, 0 + wsr a2, intenable + rsr a2, interrupt + wsr a2, intclear + movi a2, 0 + wsr a2, ccompare1 + wsr a2, ccompare2 + 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 |