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 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 */ 27