RTEMS: Virtex 4 - MMU Support

RTEMS 5.1

MMU support. More...

Data Structures
struct	bsp_tlb_entry_t

Macros
#define	NTLBS 64

#define	MMU_M_SIZE_1K (0x00000000U)

#define	MMU_M_SIZE_4K (0x08000000U)

#define	MMU_M_SIZE_16K (0x10000000U)

#define	MMU_M_SIZE_64K (0x18000000U)

#define	MMU_M_SIZE_256K (0x20000000U)

#define	MMU_M_SIZE_1M (0x28000000U)

#define	MMU_M_SIZE_4M (0x30000000U)

#define	MMU_M_SIZE_16M (0x38000000U)

#define	MMU_M_SIZE_MIN (MMU_M_SIZE_1K)

#define	MMU_M_SIZE_MAX (MMU_M_SIZE_16M)

#define	MMU_M_SIZE (0x38000000U)

#define	MMU_V_SIZE (27)

#define	MMU_M_ATTR_LITTLE_ENDIAN (0x02000000U)

#define	MMU_M_ATTR_USER0 (0x01000000U)

#define	MMU_M_ATTR (0x03000000U)

#define	MMU_V_ATTR (24)

#define	MMU_M_PERM_EXEC (0x00000200U)

#define	MMU_M_PERM_DATA_WRITE (0x00000100U)

#define	MMU_M_PERM_ZONE_SELECT (0x000000f0U)

#define	MMU_M_PERM (0x000003f0U)

#define	MMU_V_PERM (4)

#define	MMU_M_PROP_WRITE_THROUGH (0x00000008U)

#define	MMU_M_PROP_UNCACHED (0x00000004U)

#define	MMU_M_PROP_MEM_COHERENT (0x00000002U)

#define	MMU_M_PROP_GUARDED (0x00000001U)

#define	MMU_M_PROP (0x0000000fU)

#define	MMU_V_PROP (0)

Typedefs
typedef int	bsp_tlb_idx_t

Functions
void	bsp_mmu_dump_cache (FILE *f)

int	bsp_mmu_update (bsp_tlb_idx_t key, bool quiet, FILE *f)

int	bsp_mmu_initialize (void)

bsp_tlb_idx_t	bsp_mmu_find_first_free (void)

bsp_tlb_idx_t	bsp_mmu_write (bsp_tlb_idx_t idx, uint32_t ea, uint32_t pa, uint sz, uint32_t flgs, uint32_t tid)

bsp_tlb_idx_t	bsp_mmu_match (uint32_t ea, int sz, uint32_t tid)

bsp_tlb_idx_t	bsp_mmu_find (uint32_t ea, uint32_t tid)

int	bsp_mmu_invalidate (bsp_tlb_idx_t key)

Variables
bsp_tlb_entry_t *	bsp_mmu_cache

Detailed Description

MMU support.