LEON_PGD_SH
#define LEON_PMD_SH_V (LEON_PGD_SH-2)
#define LEON_PMD_SH_V (LEON_PGD_SH-1)
#define LEON_PMD_SH_V (LEON_PGD_SH-0)
#define LEON_PMD_SH_V (LEON_PGD_SH-0)
(vaddr & ~(-1 << LEON_PGD_SH)) | ((pte & ~0xff) << 4);
ptr += ((((vaddr) >> LEON_PGD_SH) & LEON_PGD_M) * 4);