mmu.h File Reference

Routines to manipulate the PPC 405 MMU. More...

#include <rtems.h>
#include <inttypes.h>
#include <stdio.h>

Go to the source code of this file.

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

Routines to manipulate the PPC 405 MMU.