63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
from collections.abc import Callable
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from systemrdl.node import AddrmapNode
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from systemrdl.rdltypes.references import PropertyReference
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from peakrdl_busdecoder.utils import ref_is_internal
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def _find_child_by_name(node: AddrmapNode, inst_name: str):
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for child in node.children():
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if child.inst_name == inst_name:
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return child
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raise AssertionError(f"Child with name {inst_name} not found")
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class TestRefIsInternal:
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"""Tests for ref_is_internal utility."""
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def test_external_components_flagged(
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self, compile_rdl: Callable[..., AddrmapNode]
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) -> None:
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"""External components should be treated as non-internal."""
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rdl_source = """
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reg reg_t {
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field { sw=rw; hw=r; } data[7:0];
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};
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addrmap top {
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external reg_t ext @ 0x0;
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reg_t intrnl @ 0x10;
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};
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"""
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top = compile_rdl(rdl_source, top="top")
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internal_reg = _find_child_by_name(top, "intrnl")
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assert ref_is_internal(top, internal_reg) is True
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external_reg = _find_child_by_name(top, "ext")
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assert external_reg.external is True
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assert ref_is_internal(top, external_reg) is False
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external_prop_ref = PropertyReference.__new__(PropertyReference)
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external_prop_ref.node = external_reg
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assert ref_is_internal(top, external_prop_ref) is False
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def test_property_reference_without_node_defaults_internal(
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self, compile_rdl: Callable[..., AddrmapNode]
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) -> None:
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"""Root-level property references should be treated as internal."""
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rdl_source = """
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addrmap top {
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reg {
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field { sw=rw; hw=r; } data[7:0];
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} reg0 @ 0x0;
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};
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"""
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top = compile_rdl(rdl_source, top="top")
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prop_ref = PropertyReference.__new__(PropertyReference)
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prop_ref.node = None
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assert ref_is_internal(top, prop_ref) is True
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