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hdl.ir, back.rtlil: allow specifying attributes on instances.

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Fixes #107.
This commit is contained in:
whitequark 2019-06-28 04:14:38 +00:00
parent 2b92f12016
commit 48d4ee4031
4 changed files with 28 additions and 5 deletions
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14
nmigen/test/test_hdl_ir.py
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@ -555,15 +555,21 @@ class InstanceTestCase(FHDLTestCase):
s5 = Signal()
s6 = Signal()
inst = Instance("foo",
("a", "ATTR1", 1),
("p", "PARAM1", 0x1234),
("i", "s1", s1),
("o", "s2", s2),
("io", "s3", s3),
a_ATTR2=2,
p_PARAM2=0x5678,
i_s4=s4,
o_s5=s5,
io_s6=s6,
)
self.assertEqual(inst.attrs, OrderedDict([
("ATTR1", 1),
("ATTR2", 2),
]))
self.assertEqual(inst.parameters, OrderedDict([
("PARAM1", 0x1234),
("PARAM2", 0x5678),
@ -648,3 +654,11 @@ class InstanceTestCase(FHDLTestCase):
self.assertEqual(fp.ports, SignalDict([
(s, "o"),
]))
def test_prepare_attrs(self):
self.setUp_cpu()
self.inst.attrs["ATTR"] = 1
f = self.inst.prepare()
self.assertEqual(f.attrs, OrderedDict([
("ATTR", 1),
]))