diff options
Diffstat (limited to 'arch/mips/include/asm/tlb.h')
| -rw-r--r-- | arch/mips/include/asm/tlb.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/mips/include/asm/tlb.h b/arch/mips/include/asm/tlb.h new file mode 100644 index 000000000..90f3ad76d --- /dev/null +++ b/arch/mips/include/asm/tlb.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_TLB_H +#define __ASM_TLB_H + +#include <asm/cpu-features.h> +#include <asm/mipsregs.h> + +#define _UNIQUE_ENTRYHI(base, idx) \ + (((base) + ((idx) << (PAGE_SHIFT + 1))) | \ + (cpu_has_tlbinv ? MIPS_ENTRYHI_EHINV : 0)) +#define UNIQUE_ENTRYHI(idx) _UNIQUE_ENTRYHI(CKSEG0, idx) +#define UNIQUE_GUEST_ENTRYHI(idx) _UNIQUE_ENTRYHI(CKSEG1, idx) + +static inline unsigned int num_wired_entries(void) +{ + unsigned int wired = read_c0_wired(); + + if (cpu_has_mips_r6) + wired &= MIPSR6_WIRED_WIRED; + + return wired; +} + +#include <asm-generic/tlb.h> + +#endif /* __ASM_TLB_H */ |