Index for Section 9r

Alphabetical listing for C

Bottom of page

copy_to_phys(9r)
NAME
  copy_to_phys - General: Copies data from a virtual address to a physical
  address

SYNOPSIS
  void copy_to_phys(
	  vm_offset_t virt_src,
	  vm_offset_t phys_dest,
	  unsigned int bcount );

ARGUMENTS
  virt_src
      Specifies the virtual address of the data to be copied.

  phys_dest
      Specifies the physical address to copy the data to.

  bcount
      Specifies the number of bytes to copy.

DESCRIPTION
  The copy_to_phys routine copies a specified amount of virtually addressed
  memory to physically addressed memory. The addresses reside only in system
  memory space and not in the memory space on I/O buses.

CAUTIONS
  If any overlap exists between virt_src and phys_dest, the copy_to_phys
  routine panics.

RETURN VALUES
  None

SEE ALSO
  Routines: copyin(9r), copyout(9r), io_copyin(9r), io_copyio(9r),
  io_copyout(9r)

Index for Section 9r

Alphabetical listing for C

Top of page