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authorTimos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>2023-10-10 11:40:56 +0000
committerTimos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>2023-10-10 11:40:56 +0000
commite02cda008591317b1625707ff8e115a4841aa889 (patch)
treeaee302e3cf8b59ec2d32ec481be3d1afddfc8968 /tests/tcg/xtensa/test_extui.S
parentcc668e6b7e0ffd8c9d130513d12053cf5eda1d3b (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_extui.S')
-rw-r--r--tests/tcg/xtensa/test_extui.S26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/tcg/xtensa/test_extui.S b/tests/tcg/xtensa/test_extui.S
new file mode 100644
index 000000000..c32bb824d
--- /dev/null
+++ b/tests/tcg/xtensa/test_extui.S
@@ -0,0 +1,26 @@
+#include "macros.inc"
+
+test_suite extui
+
+.macro test_extui v, shiftimm, maskimm
+ .if \shiftimm + \maskimm <= 32
+ movi a2, \v
+ extui a3, a2, \shiftimm, \maskimm
+ movi a4, ((\v) >> (\shiftimm)) & ((1 << (\maskimm)) - 1)
+ assert eq, a3, a4
+ .endif
+.endm
+
+test extui
+ .set shiftimm, 0
+ .rept 32
+ .set maskimm, 1
+ .rept 16
+ test_extui 0xc8df1370, shiftimm, maskimm
+ .set maskimm, maskimm + 1
+ .endr
+ .set shiftimm, shiftimm + 1
+ .endr
+test_end
+
+test_suite_end