// wdbgexts.h

VOID WritePhysical(
  [in]            ULONG64 address,
  [in]            PVOID   buf,
  [in]            ULONG   size,
  [out, optional] PULONG  sizew
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wdbgexts-writephysical)

WritePhysical function

Description

The WritePhysical function writes to physical memory.

Parameters

`address` [in]

Specifies the physical address to write.

`buf` [in]

Specifies the address of an array of bytes to hold the data that is written.

`size` [in]

Specifies the number of bytes to write.

`sizew` [out, optional]

Receives the number of bytes actually written.

Remarks

For a WdbgExts extension, include wdbgexts.h. For a DbgEng extension, include wdbgexts.h before dbgeng.h. See Writing DbgEng Extension Code for details.

View the official Windows Driver Kit DDI reference