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Implement KdpSendBuffer, KdpCalculateChecksum,

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reference: http://www.vista-xp.co.uk/forums/technical-reference-library/2540-basics-debugging.html

svn path=/branches/ros-amd64-bringup/; revision=38963
This commit is contained in:
Timo Kreuzer
2009-01-20 00:42:10 +00:00
parent 89bebbd18c
commit 727c68db9e
1 changed files with 55 additions and 4 deletions
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reactos/drivers/base/kdcom/i386/kdbg.c
+55 -4
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@@ -5,6 +5,7 @@
* PURPOSE: Serial i/o functions for the kernel debugger.
* PROGRAMMER: Alex Ionescu
* Hervé Poussineau
* Timo Kreuzer
*/
/* INCLUDES *****************************************************************/
@@ -485,8 +486,55 @@ KdPortEnableInterrupts(VOID)
return TRUE;
}
/*
* @implemented
/* NEW INTERNAL FUNCTIONS ****************************************************/
/******************************************************************************
* \name KdpCalculateChecksum
* \brief Calculates the checksum for the packet data.
* \param Buffer Pointer to the packet data.
* \param Length Length of data in bytes.
* \return The calculated checksum.
* \sa http://www.vista-xp.co.uk/forums/technical-reference-library/2540-basics-debugging.html
*/
ULONG
NTAPI
KdpCalculateChecksum(
IN PVOID Buffer,
IN ULONG Length)
{
ULONG i, Checksum = 0;
for (i = 0; i < Length; i++)
{
Checksum += ((PUCHAR)Buffer)[i];
}
return Checksum;
}
/******************************************************************************
* \name KdpSendBuffer
* \brief Sends a buffer of data to the KD port.
* \param Buffer Pointer to the data.
* \param Size Size of data in bytes.
*/
VOID
NTAPI
KdpSendBuffer(
IN PVOID Buffer,
IN ULONG Size)
{
INT i;
for (i = 0; i < Size; i++)
{
KdPortPutByteEx(&DefaultPort, ((PUCHAR)Buffer)[i]);
}
}
/******************************************************************************
* \name KdDebuggerInitialize0
* \brief Phase 0 initialization.
* \param [opt] LoaderBlock Pointer to the Loader parameter block. Can be NULL.
* \return Status
*/
NTSTATUS
NTAPI
@@ -595,8 +643,11 @@ KdDebuggerInitialize0(
return STATUS_SUCCESS;
}
/*
* @unimplemented
/******************************************************************************
* \name KdDebuggerInitialize0
* \brief Phase 0 initialization.
* \param [opt] LoaderBlock Pointer to the Loader parameter block. Can be NULL.
* \return Status
*/
NTSTATUS
NTAPI