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 
num_wired_entries(void)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