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WritePhysicalWithFlags function (wdbgexts.h)

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The WritePhysicalWithFlags function writes to physical memory.

Syntax

void WritePhysicalWithFlags(
  ULONG64 address,
  PVOID   buf,
  ULONG   size,
  ULONG   flags,
  PULONG  sizew
);

Parameters

address

Specifies the physical address to write.

buf

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

size

Specifies the number of bytes to write.

flags

Specifies the properties of the physical memory to be written to. This must match the way the physical memory was advertised to the operating system on the target. Possible values are listed in the following table.

Value Description
PHYS_FLAG_DEFAULT Use the default memory caching.
PHYS_FLAG_CACHED The physical memory is cached.
PHYS_FLAG_UNCACHED The physical memory is uncached.
PHYS_FLAG_WRITE_COMBINED The physical memory is write-combined.

sizew

Receives the number of bytes actually written.

Return value

None

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.

Requirements

Requirement Value
Target Platform Desktop
Header wdbgexts.h (include Wdbgexts.h, Dbgeng.h)

See also

ReadPhysicalWithFlags

WritePhysical