| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __ASM_TLB_H |
| 3 | #define __ASM_TLB_H |
| 4 | |
| 5 | #include <asm/cpu-features.h> |
| 6 | #include <asm/mipsregs.h> |
| 7 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 8 | #define _UNIQUE_ENTRYHI(base, idx) \ |
| 9 | (((base) + ((idx) << (PAGE_SHIFT + 1))) | \ |
| 10 | (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0)) |
| 11 | #define UNIQUE_ENTRYHI(idx) _UNIQUE_ENTRYHI(CKSEG0, idx) |
| 12 | #define UNIQUE_GUEST_ENTRYHI(idx) _UNIQUE_ENTRYHI(CKSEG1, idx) |
| 13 | |
| 14 | static inline unsigned int num_wired_entries(void) |
| 15 | { |
| 16 | unsigned int wired = read_c0_wired(); |
| 17 | |
| 18 | if (cpu_has_mips_r6) |
| 19 | wired &= MIPSR6_WIRED_WIRED; |
| 20 | |
| 21 | return wired; |
| 22 | } |
| 23 | |
| 24 | #include <asm-generic/tlb.h> |
| 25 | |
| 26 | #endif /* __ASM_TLB_H */ |