BaseSerialPortLibRiscVSbiLib.c

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#include "Common.h"
 
RETURN_STATUS
EFIAPI
SerialPortInitialize (
  VOID
  )
{
  return RETURN_SUCCESS;
}
 
UINTN
EFIAPI
SerialPortWrite (
  IN UINT8  *Buffer,
  IN UINTN  NumberOfBytes
  )
{
  if (NumberOfBytes == 0) {
    return 0;
  }
 
  if (SbiImplementsDbcn ()) {
    return SbiDbcnWrite (Buffer, NumberOfBytes);
  }
 
  if (SbiImplementsLegacyPutchar ()) {
    return SbiLegacyPutchar (Buffer, NumberOfBytes);
  }
 
  /*
   * Neither DBCN or legacy extension were present.
   */
  return 0;
}
 
UINTN
EFIAPI
SerialPortRead (
  OUT UINT8  *Buffer,
  IN  UINTN  NumberOfBytes
  )
{
  return 0;
}
 
BOOLEAN
EFIAPI
SerialPortPoll (
  VOID
  )
{
  return FALSE;
}
 
RETURN_STATUS
EFIAPI
SerialPortSetControl (
  IN UINT32  Control
  )
{
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
SerialPortGetControl (
  OUT UINT32  *Control
  )
{
  *Control = 0;
  return RETURN_SUCCESS;
}
 
RETURN_STATUS
EFIAPI
SerialPortSetAttributes (
  IN OUT UINT64              *BaudRate,
  IN OUT UINT32              *ReceiveFifoDepth,
  IN OUT UINT32              *Timeout,
  IN OUT EFI_PARITY_TYPE     *Parity,
  IN OUT UINT8               *DataBits,
  IN OUT EFI_STOP_BITS_TYPE  *StopBits
  )
{
  return RETURN_SUCCESS;
}