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https://github.com/AsahiLinux/m1n1
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38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
# SPDX-License-Identifier: MIT
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from .base import *
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from ...utils import *
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class KDebugMessage(Register64):
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TYPE = 55, 48
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class KDebugGetBufMessage(KDebugMessage):
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TYPE = 55, 48, Constant(1)
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COUNT = 47, 0
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class KDebugSendBufMessage(KDebugMessage):
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TYPE = 55, 48
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DVA = 47, 0
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class KDebugStart(KDebugMessage):
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TYPE = 55, 48, Constant(8)
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class ASCKDebugEndpoint(ASCBaseEndpoint):
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SHORT = "kdebug"
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BASE_MESSAGE = KDebugMessage
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@msg_handler(1, KDebugGetBufMessage)
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def GetBuf(self, msg):
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size = align_up(msg.COUNT * 0x20, 0x4000)
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self.iobuffer0, self.iobuffer0_iova = self.asc.ioalloc(size)
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self.send(KDebugSendBufMessage(TYPE=1, DVA=self.iobuffer0_iova))
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self.iobuffer1, self.iobuffer1_iova = self.asc.ioalloc(0x2000)
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self.send(KDebugSendBufMessage(TYPE=2, DVA=self.iobuffer1_iova))
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return True
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def start(self):
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self.iobuffer0 = None
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self.iobuffer1 = None
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self.iobuffer0_iova = None
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self.iobuffer1_iova = None
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self.send(KDebugStart())
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