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kdcom: partly handle control packets, now we resend our data on reset packets, but WinDbg still doesn't like them.

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svn path=/branches/ros-amd64-bringup/; revision=38967
This commit is contained in:
Timo Kreuzer
2009-01-20 03:17:31 +00:00
parent b03befb720
commit eabd9536dd
1 changed files with 26 additions and 2 deletions
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reactos/drivers/base/kdcom/i386/kdbg.c
+26 -2
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@@ -878,9 +878,9 @@ KdReceivePacket(
/* Step 3 - Read ByteCount */
RcvCode = KdpReceiveBuffer(&Packet.ByteCount, sizeof(USHORT));
if (RcvCode != KdPacketReceived)
if (RcvCode != KdPacketReceived || Packet.ByteCount > PACKET_MAX_SIZE)
{
/* Didn't receive ByteCount. Start over. */
/* Didn't receive ByteCount or it's too big. Start over. */
continue;
}
@@ -913,6 +913,30 @@ KdReceivePacket(
FrLdrDbgPrint("KdReceivePacket 5, Checksum == 0x%x\n", Packet.Checksum);
/* Step 6 - Handle control packets */
if (Packet.PacketLeader == CONTROL_PACKET_LEADER)
{
switch (Packet.PacketType)
{
case PACKET_TYPE_KD_ACKNOWLEDGE:
/* Remote acknowledges the last packet */
return KdPacketReceived;
case PACKET_TYPE_KD_RESEND:
/* Remote wants us to resend the last packet */
return KdPacketNeedsResend;
case PACKET_TYPE_KD_RESET:
FrLdrDbgPrint("KdReceivePacket - got a reset packet\n");
// FIXME
return KdPacketNeedsResend;
default:
FrLdrDbgPrint("KdReceivePacket - got unknown control packet\n");
return KdPacketNeedsResend;
}
}
}