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overwrite vart.conf if downloading custom xclbin #111

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merged 1 commit into from
Dec 9, 2023
Merged

overwrite vart.conf if downloading custom xclbin #111

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11 changes: 10 additions & 1 deletion pynq_dpu/dpu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,8 +46,15 @@ def check_vart_config():
if '/usr/lib/dpu.xclbin' not in previous_firmware:
print("/etc/vart.conf file was modified, replacing contents '{}' with '{}'.".format(previous_firmware.strip('\n').split(' ')[1], '/usr/lib/dpu.xclbin'))

write_config("dpu.xclbin")

def write_config(xclbin_name):
""" Helper function to overwrite VART config file

Overwrites the /etc/vart.conf file with the firmware location of a given xclbin.
"""
with open('/etc/vart.conf', 'w') as txt:
txt.write('firmware: /usr/lib/dpu.xclbin')
txt.write(f'firmware: /usr/lib/{xclbin_name}')

def get_child_subgraph_dpu(graph: "Graph"):
""" Helper function for load_model
Expand Down Expand Up @@ -142,6 +149,8 @@ def copy_xclbin(self):
_ = subprocess.check_output(["cp", "-f",
abs_xclbin, XCL_DST_PATH])

write_config(self.overlay_basename.rstrip(".bit") + ".xclbin")

def load_model(self, model):
"""Load DPU models for VART.

Expand Down