diff options
Diffstat (limited to 'ethosu/vela/driver_actions.py')
-rw-r--r-- | ethosu/vela/driver_actions.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ethosu/vela/driver_actions.py b/ethosu/vela/driver_actions.py index 5a85df06..317b2a69 100644 --- a/ethosu/vela/driver_actions.py +++ b/ethosu/vela/driver_actions.py @@ -24,6 +24,7 @@ from .api import NpuAccelerator from .architecture_features import Accelerator from .architecture_features import ArchitectureFeatures from .architecture_features import create_default_arch +from .errors import VelaError from .ethos_u55_regs.ethos_u55_regs import ARCH_VER from .ethos_u55_regs.ethos_u55_regs import config_r from .ethos_u55_regs.ethos_u55_regs import id_r @@ -120,6 +121,12 @@ def create_driver_payload(register_command_stream: List[int], arch: Architecture da_list: List[int] = [] emit_fourcc(da_list, "COP1") emit_config(da_list, 0, 1, arch) + if len(register_command_stream) >= 1 << 24: + raise VelaError( + "The command stream exceeds the driver size limit of 64 MiB. " + f"The current stream size is {4*len(register_command_stream)/2**20:.2F} MiB" + ) + emit_cmd_stream_header(da_list, len(register_command_stream)) # Append command stream words |