46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
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from manta.memory_core import ReadOnlyMemoryCore
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from manta.utils import *
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from random import randint, sample
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def fill_mem_from_user_port(mem_core, depth):
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for i in range(depth):
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yield mem_core.user_addr.eq(i)
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yield mem_core.user_data.eq(i)
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yield mem_core.user_we.eq(1)
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yield
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yield mem_core.user_we.eq(0)
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yield
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def verify_mem_core(width, depth, base_addr):
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config = {"type": "memory", "width": width, "depth": depth}
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mem_core = ReadOnlyMemoryCore(config, base_addr, interface=None)
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def testbench():
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yield from fill_mem_from_user_port(mem_core, depth)
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# Read from address sequentially
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for i in range(depth):
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yield from verify_register(mem_core, i + base_addr, i % (2**width))
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# Read from addresses randomly
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for i in sample(range(depth), k=depth):
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yield from verify_register(mem_core, i + base_addr, i % (2**width))
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simulate(mem_core, testbench)
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def test_sweep_core_widths():
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for i in range(1, 64):
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verify_mem_core(i, 128, 0)
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def test_random_cores():
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for _ in range(5):
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width = randint(0, 512)
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depth = randint(0, 1024)
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base_addr = randint(0, 2**16 - 1 - depth)
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verify_mem_core(width, depth, base_addr)
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