| 0,0 → 1,64 |
|---|
| #ifndef _MMU_H_ |
| #define _MMU_H_ |
| |
| |
| #include "types.h" |
| |
| |
| #define MMU_TLB_BUCKET_SIZE 8 |
| #define MMU_TLB_BUCKET_NUM 32 |
| #define MMU_DISABLED_TTP 0xFFFFFFFFUL |
| |
| |
| typedef Err (*ArmMmuReadF)(void* userData, UInt32* buf, UInt32 pa); //read a word |
| |
| #define errMmuTranslation (errMmu + 1) |
| #define errMmuDomain (errMmu + 2) |
| #define errMmuPermission (errMmu + 3) |
| |
| typedef struct { |
| |
| UInt32 pa, va; |
| UInt32 sz; |
| UInt32 ap:2; |
| UInt32 domain:4; |
| |
| }ArmPrvTlb; |
| |
| typedef struct ArmMmu{ |
| |
| UInt32 transTablPA; |
| UInt8 S:1; |
| UInt8 R:1; |
| UInt8 readPos[MMU_TLB_BUCKET_NUM]; |
| UInt8 replPos[MMU_TLB_BUCKET_NUM]; |
| ArmPrvTlb tlb[MMU_TLB_BUCKET_NUM][MMU_TLB_BUCKET_SIZE]; |
| UInt32 domainCfg; |
| ArmMmuReadF readF; |
| void* userData; |
| |
| }ArmMmu; |
| |
| |
| void mmuInit(ArmMmu* mmu, ArmMmuReadF readF, void* userData); |
| void muDeinit(ArmMmu* mmu); |
| Boolean mmuTranslate(ArmMmu* mmu, UInt32 va, Boolean priviledged, Boolean write, UInt32* paP, UInt8* fsrP); |
| |
| UInt32 mmuGetTTP(ArmMmu* mmu); |
| void mmuSetTTP(ArmMmu* mmu, UInt32 ttp); |
| |
| void mmuSetS(ArmMmu* mmu, Boolean on); |
| void mmuSetR(ArmMmu* mmu, Boolean on); |
| Boolean mmuGetS(ArmMmu* mmu); |
| Boolean mmuGetR(ArmMmu* mmu); |
| |
| UInt32 mmuGetDomainCfg(ArmMmu* mmu); |
| void mmuSetDomainCfg(ArmMmu* mmu, UInt32 val); |
| |
| void mmuTlbFlush(ArmMmu* mmu); |
| |
| |
| |
| |
| #endif |
| |
| Property changes: |
|---|
| Added: svn:executable |
|---|
| +* |
|---|
| \ No newline at end of property |
|---|