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| author |   Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
|---|---|---|
| committer | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
| commit | e02cda008591317b1625707ff8e115a4841aa889 (patch) | |
| tree | aee302e3cf8b59ec2d32ec481be3d1afddfc8968 /tests/tcg/xtensa/test_loop.S | |
| parent | cc668e6b7e0ffd8c9d130513d12053cf5eda1d3b (diff) | |
Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
Diffstat (limited to 'tests/tcg/xtensa/test_loop.S')
| -rw-r--r-- | tests/tcg/xtensa/test_loop.S | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_loop.S b/tests/tcg/xtensa/test_loop.S new file mode 100644 index 000000000..0cfd8661e --- /dev/null +++ b/tests/tcg/xtensa/test_loop.S @@ -0,0 +1,167 @@ +#include "macros.inc" + +test_suite loop + +#if XCHAL_HAVE_LOOPS + +test loop + movi a2, 0 + movi a3, 5 + loop a3, 1f + addi a2, a2, 1 +1: + assert eqi, a2, 5 +test_end + +test loop0 + movi a2, 0 + loop a2, 1f + rsr a2, lcount + assert eqi, a2, -1 + j 1f +1: +test_end + +test loop_jump + movi a2, 0 + movi a3, 5 + loop a3, 1f + addi a2, a2, 1 + j 1f +1: + assert eqi, a2, 1 +test_end + +test loop_branch + movi a2, 0 + movi a3, 5 + loop a3, 1f + addi a2, a2, 1 + beqi a2, 3, 1f +1: + assert eqi, a2, 3 +test_end + +test loop_manual + movi a2, 0 + movi a3, 5 + movi a4, 1f + movi a5, 2f + wsr a3, lcount + wsr a4, lbeg + wsr a5, lend + isync + j 1f +.align 4 +1: + addi a2, a2, 1 +2: + assert eqi, a2, 6 +test_end + +test loop_excm + movi a2, 0 + movi a3, 5 + rsr a4, ps + movi a5, 0x10 + or a4, a4, a5 + wsr a4, ps + isync + loop a3, 1f + addi a2, a2, 1 +1: + xor a4, a4, a5 + isync + wsr a4, ps + assert eqi, a2, 1 +test_end + +test lbeg_invalidation + movi a2, 0 + movi a3, 1 + movi a4, 1f + movi a5, 3f + wsr a3, lcount + wsr a4, lbeg + wsr a5, lend + isync + j 1f +.align 4 +1: + addi a2, a2, 1 + j 2f +.align 4 +2: + addi a2, a2, 2 + movi a3, 2b + wsr a3, lbeg + isync + nop +3: + assert eqi, a2, 5 +test_end + +test lend_invalidation + movi a2, 0 + movi a3, 5 + movi a4, 1f + movi a5, 2f + wsr a3, lcount + wsr a4, lbeg + wsr a5, lend + isync + j 1f +.align 4 +1: + addi a2, a2, 1 +2: + beqi a3, 3, 1f + assert eqi, a2, 6 + movi a3, 3 + wsr a3, lcount + wsr a4, lend + isync + j 1b +1: + assert eqi, a2, 7 +test_end + +test loopnez + movi a2, 0 + movi a3, 5 + loopnez a3, 1f + addi a2, a2, 1 +1: + assert eqi, a2, 5 + + movi a2, 0 + movi a3, 0 + loopnez a3, 1f + test_fail +1: +test_end + +test loopgtz + movi a2, 0 + movi a3, 5 + loopgtz a3, 1f + addi a2, a2, 1 +1: + assert eqi, a2, 5 + + movi a2, 0 + movi a3, 0 + loopgtz a3, 1f + test_fail +1: + + movi a2, 0 + movi a3, 0x80000000 + loopgtz a3, 1f + test_fail +1: +test_end + +#endif + +test_suite_end |