Cmos.c

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#include <Library/PlatformInitLib.h>
#include <Library/DebugLib.h>
#include "Library/IoLib.h"
 
UINT8
EFIAPI
PlatformCmosRead8 (
  IN      UINTN  Index
  )
{
  IoWrite8 (0x70, (UINT8)Index);
  return IoRead8 (0x71);
}
 
UINT8
EFIAPI
PlatformCmosWrite8 (
  IN      UINTN  Index,
  IN      UINT8  Value
  )
{
  IoWrite8 (0x70, (UINT8)Index);
  IoWrite8 (0x71, Value);
  return Value;
}
 
VOID
EFIAPI
PlatformDebugDumpCmos (
  VOID
  )
{
  UINT32  Loop;
 
  DEBUG ((DEBUG_INFO, "CMOS:\n"));
 
  for (Loop = 0; Loop < 0x80; Loop++) {
    if ((Loop % 0x10) == 0) {
      DEBUG ((DEBUG_INFO, "%02x:", Loop));
    }
 
    DEBUG ((DEBUG_INFO, " %02x", PlatformCmosRead8 (Loop)));
    if ((Loop % 0x10) == 0xf) {
      DEBUG ((DEBUG_INFO, "\n"));
    }
  }
}