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Parse some SIO/DMA-related data in ADT #354

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Parse some SIO/DMA-related data in ADT #354

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3a2e115
m1n1.adt: Start parsing SIO properties
povik Nov 25, 2022
f8b1392
m1n1.adt: Parse 'segment-ranges' of coprocessor nodes
povik Nov 26, 2022
f8e08eb
m1n1.adt: Parse 'dma-channels' of DMA-enabled peripherals
povik Nov 26, 2022
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54 changes: 54 additions & 0 deletions proxyclient/m1n1/adt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -246,6 +246,47 @@
"pad" / Array(3, Hex(Int8ul)),
)

SIODMAShimData = Struct(
"name" / FourCC,
"base" / Hex(Int64ul),
"length" / Hex(Int64ul),
"unk1" / Hex(Int32ul),
"unk2" / Hex(Int32ul),
"unk3" / Hex(Int32ul),
"stride" / Hex(Int32ul),
)

SIOMapRange = Struct(
"unk1" / FourCC,
"addr" / Hex(Int64ul),
"len" / Hex(Int64ul),
)

SIODeviceType = Struct(
"id" / FourCC,
"count" / Int32ul,
"unk2" / Hex(Int32ul),
)

ASCSegmentRange = Struct(
"pa" / Hex(Int64ul),
"unk" / Hex(Int64ul),
"iova" / Hex(Int64ul),
"size" / Hex(Int32ul),
"flags" / Hex(Int32ul),
)

DMAChannelsData = Struct(
"channo" / Hex(Int32ul),
"datashape" / Hex(Int32ul),
"timeout" / Hex(Int32ul),
"limit" / Hex(Int32ul),
"threshold" / Hex(Int32ul),
"unk1" / Hex(Int32ul),
"unk2" / Hex(Int32ul),
"unk3" / Hex(Int32ul),
)

DEV_PROPERTIES = {
"pmgr": {
"*": {
Expand Down Expand Up @@ -343,6 +384,13 @@
"apcie-*-tunables": GreedyRange(TunableLocal),
}
},
"sio": {
"*": {
"map-range": SIOMapRange,
"device-type": SafeGreedyRange(SIODeviceType),
"dmashim": SafeGreedyRange(SIODMAShimData),
}
},
}

def parse_prop(node, path, node_name, name, v, is_template=False):
Expand Down Expand Up @@ -440,6 +488,12 @@ def parse_prop(node, path, node_name, name, v, is_template=False):
# parsing this correctly would require a second pass
t = Array(len(v) // 4, Int32ul)

elif name == "dma-channels":
t = SafeGreedyRange(DMAChannelsData)

elif name == "segment-ranges":
t = SafeGreedyRange(ASCSegmentRange)

if t is not None:
v = Sequence(t, Terminated).parse(v)[0]
return t, v
Expand Down