arch/mips/include/asm/tlb.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/tlb.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/tlb.h
Extension
.h
Size
613 bytes
Lines
27
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#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 */

Annotation

Implementation Notes