diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/xtensa/test_exclusive.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_exclusive.S b/tests/tcg/xtensa/test_exclusive.S new file mode 100644 index 0000000000..7757a552ea --- /dev/null +++ b/tests/tcg/xtensa/test_exclusive.S @@ -0,0 +1,48 @@ +#include "macros.inc" + +test_suite exclusive + +#if XCHAL_HAVE_EXCLUSIVE + +test exclusive_nowrite + movi a2, 0x29 + wsr a2, atomctl + clrex + movi a2, 1f + movi a3, 1 + s32ex a3, a2 + getex a3 + assert eqi, a3, 0 + l32i a3, a2, 0 + assert eqi, a3, 3 + +.data +.align 4 +1: + .word 3 +.text +test_end + +test exclusive_write + movi a2, 0x29 + wsr a2, atomctl + movi a2, 1f + l32ex a3, a2 + assert eqi, a3, 3 + movi a3, 2 + s32ex a3, a2 + getex a3 + assert eqi, a3, 1 + l32i a3, a2, 0 + assert eqi, a3, 2 + +.data +.align 4 +1: + .word 3 +.text +test_end + +#endif + +test_suite_end |