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soc/get_mem_data: add direct support for regions

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We now support passing filename (offset=0), json file and regions
This commit is contained in:
Florent Kermarrec 2019-05-03 13:24:06 +02:00
parent 0714816f31
commit fbb24720f0
1 changed files with 11 additions and 7 deletions
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18
litex/soc/integration/soc_core.py
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@ -77,15 +77,19 @@ def mem_decoder(address, start=26, end=29):
return lambda a: a[start:end] == ((address >> (start+2)) & (2**(end-start))-1)
def get_mem_data(filename, endianness="big", mem_size=None):
def get_mem_data(filename_or_regions, endianness="big", mem_size=None):
# create memory regions
_, ext = os.path.splitext(filename)
if ext == ".json":
f = open(filename, "r")
regions = json.load(f)
f.close()
if isinstance(filename_or_regions, dict):
regions = filename_or_regions
else:
regions = {filename: "0x00000000"}
filename = filename_or_regions
_, ext = os.path.splitext(filename)
if ext == ".json":
f = open(filename, "r")
regions = json.load(f)
f.close()
else:
regions = {filename: "0x00000000"}
# determine data_size
data_size = 0