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Add mchan_check_end_policy flag to hw_desc #71

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Add mchan_check_end_policy flag to hw_desc #71

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3 changes: 3 additions & 0 deletions dory/Hardware_targets/PULP/Common/Templates/Makefile.t
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,9 @@ APP_CFLAGS += -DALWAYS_BLOCK_DMA_TRANSFERS
% if single_core_dma:
APP_CFLAGS += -DSINGLE_CORE_DMA
% endif
% if mchan_check_end_policy:
APP_CFLAGS += -DMCHAN_${mchan_check_end_policy.upper()}
% endif

include ${prefix}vars.mk

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2 changes: 0 additions & 2 deletions dory/Hardware_targets/PULP/Common/Utils/dory_dma.c
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Expand Up @@ -8,8 +8,6 @@
// GAP8 hardware to be tested...
#define MCHAN_BASE_ADDR (ARCHI_MCHAN_DEMUX_ADDR) // CLUSTER_MCHAN_ADDR
#endif
#define MCHAN_EVENT
//#define MCHAN_POLLED
#ifdef MCHAN_EVENT
#define MCHAN_EVENT_BIT (ARCHI_CL_EVT_DMA0) // 8
#endif
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3 changes: 2 additions & 1 deletion dory/Hardware_targets/PULP/GAP8/HW_description.json
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Expand Up @@ -41,5 +41,6 @@
},
"double_buffering": 1,
"split_ints": true,
"blocking_dma_transfers": true
"blocking_dma_transfers": true,
"mchan_check_end_policy": "polled"
}
4 changes: 2 additions & 2 deletions dory/Hardware_targets/PULP/GAP8_L2/HW_description.json
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Expand Up @@ -34,6 +34,6 @@
"accelerator core1-7 stack": 3400
},
"split_ints": true,
"double_buffering": 1

"double_buffering": 1,
"mchan_check_end_policy": "polled"
}
3 changes: 2 additions & 1 deletion dory/Hardware_targets/PULP/GAP9/HW_description.json
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Expand Up @@ -43,5 +43,6 @@
"double_buffering": 2,
"split_ints": true,
"blocking_dma_transfers": false,
"single_core_dma": true
"single_core_dma": true,
"mchan_check_end_policy": "event"
}
3 changes: 2 additions & 1 deletion dory/Hardware_targets/PULP/PULP_gvsoc/HW_description.json
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Expand Up @@ -39,5 +39,6 @@
"accelerator core1-7 stack": 3600
},
"split_ints": true,
"blocking_dma_transfers": false
"blocking_dma_transfers": false,
"mchan_check_end_policy": "event"
}
5 changes: 5 additions & 0 deletions dory/Utils/Templates_writer/Makefile_template_writer.py
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Expand Up @@ -51,6 +51,11 @@ def print_template_Makefile(
except KeyError:
print("Makefile template writer: key 'single_core_dma' not found in HW description, using multi-core transfers!")
single_core_dma = False
if 'mchan_check_end_policy' in HW_description:
supported_policies = ["polled", "event", "interrupt"]
assert HW_description['mchan_check_end_policy'] in supported_policies, \
f"Requested mchan check end policy {HW_description['mchan_check_end_policy']} not supported: {supported_policies}"
tk['mchan_check_end_policy'] = HW_description['mchan_check_end_policy']
tk['single_core_dma'] = single_core_dma
root = os.path.realpath(os.path.dirname(__file__))
tmpl = Template(filename=os.path.join(root, "../../Hardware_targets", HW_description["name"], template_location_rel))
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