| 30,7 → 30,13 |
|---|
| #define __sparc64_TLB_H__ |
| |
| #include <arch/mm/tte.h> |
| #include <arch/asm.h> |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| #define ITLB_ENTRY_COUNT 64 |
| #define DTLB_ENTRY_COUNT 64 |
| |
| /** I-MMU ASIs. */ |
| #define ASI_IMMU 0x50 |
| #define ASI_IMMU_TSB_8KB_PTR_REG 0x51 |
| 70,6 → 76,86 |
|---|
| /** I-/D-TLB Data In/Access Register type. */ |
| typedef tte_data_t tlb_data_t; |
| |
| #define tlb_init_arch() |
| /** I-/D-TLB Data Access Address in Alternate Space. */ |
| union tlb_data_access_addr { |
| __u64 value; |
| struct { |
| __u64 : 55; |
| unsigned tlb_entry : 6; |
| unsigned : 3; |
| } __attribute__ ((packed)); |
| }; |
| typedef union tlb_data_access_addr tlb_data_access_addr_t; |
| typedef union tlb_data_access_addr tlb_tag_read_addr_t; |
| |
| /** I-/D-TLB Tag Read Register. */ |
| union tlb_tag_read_reg { |
| __u64 value; |
| struct { |
| __u64 va : 51; /**< Virtual Address. */ |
| unsigned context : 13; /**< Context identifier. */ |
| } __attribute__ ((packed)); |
| }; |
| typedef union tlb_tag_read_reg tlb_tag_read_reg_t; |
| |
| /** Read IMMU TLB Data Access Register. |
| * |
| * @param entry TLB Entry index. |
| * |
| * @return Current value of specified IMMU TLB Data Access Register. |
| */ |
| static inline __u64 itlb_data_access_read(index_t entry) |
| { |
| tlb_data_access_addr_t reg; |
| |
| reg.value = 0; |
| reg.tlb_entry = entry; |
| return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value); |
| } |
| |
| /** Read DMMU TLB Data Access Register. |
| * |
| * @param entry TLB Entry index. |
| * |
| * @return Current value of specified DMMU TLB Data Access Register. |
| */ |
| static inline __u64 dtlb_data_access_read(index_t entry) |
| { |
| tlb_data_access_addr_t reg; |
| |
| reg.value = 0; |
| reg.tlb_entry = entry; |
| return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value); |
| } |
| |
| /** Read IMMU TLB Tag Read Register. |
| * |
| * @param entry TLB Entry index. |
| * |
| * @return Current value of specified IMMU TLB Tag Read Register. |
| */ |
| static inline __u64 itlb_tag_read(index_t entry) |
| { |
| tlb_tag_read_addr_t tag; |
| |
| tag.value = 0; |
| tag.tlb_entry = entry; |
| return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value); |
| } |
| |
| /** Read DMMU TLB Tag Read Register. |
| * |
| * @param entry TLB Entry index. |
| * |
| * @return Current value of specified DMMU TLB Tag Read Register. |
| */ |
| static inline __u64 dtlb_tag_read(index_t entry) |
| { |
| tlb_tag_read_addr_t tag; |
| |
| tag.value = 0; |
| tag.tlb_entry = entry; |
| return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value); |
| } |
| |
| #endif |