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| author | Max Filippov <jcmvbkbc@gmail.com> | 2014-11-07 22:55:53 +0300 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2014-11-10 17:59:13 +0300 |
| commit | 09c7fbef766b43f6edb46b30546bd1b32ee12921 (patch) | |
| tree | 244fd7c5b43dedf58f72e5eaacc6763912f18f8f /tests/tcg/xtensa | |
| parent | 1b3e71f8ee17ced609213d9b41758110f3c026e9 (diff) | |
target-xtensa: add entry overflow test
Check that entry instruction raises window overflow exception when
PS.CALLINC points to live registers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'tests/tcg/xtensa')
| -rw-r--r-- | tests/tcg/xtensa/test_windowed.S | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_windowed.S b/tests/tcg/xtensa/test_windowed.S index 3de6d3763a..d851e8f43c 100644 --- a/tests/tcg/xtensa/test_windowed.S +++ b/tests/tcg/xtensa/test_windowed.S @@ -299,4 +299,55 @@ test entry entry_test 12 test_end +.macro entry_overflow_test window, free, next_window + set_vector window_overflow_4, 0 + set_vector window_overflow_8, 0 + set_vector window_overflow_12, 0 + set_vector window_overflow_\next_window, 10f + + movi a2, \window + movi a2, \free + movi a2, \next_window + reset_window %(1 | ((1 | (1 << ((\next_window) / 4))) << ((\free) / 4))) + reset_ps + movi a2, 0x4000f | ((\window) << 14) + wsr a2, ps + isync + movi a3, 0x12345678 + j 1f + .align 4 +1: + entry a3, 0x5678 + test_fail + .align 4 +10: + rsr a2, epc1 + movi a3, 1b + assert eq, a2, a3 + movi a2, 2f + wsr a2, epc1 + + rsr a2, windowbase + movi a3, (\free) / 4 + assert eq, a2, a3 + rfwo +2: +.endm + +.macro all_entry_overflow_tests + .irp window, 4, 8, 12 + .irp next_window, 4, 8, 12 + .irp free, 4, 8, 12 + .if \free <= \window + entry_overflow_test \window, \free, \next_window + .endif + .endr + .endr + .endr +.endm + +test entry_overflow + all_entry_overflow_tests +test_end + test_suite_end |