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
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