arm/mm/tlb-v6.S

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  *  linux/arch/arm/mm/tlb-v6.S
5  *  Copyright (C) 1997-2002 Russell King
12 #include <asm/asm-offsets.h>
16 #include "proc-macros.S"
23  *	Invalidate a range of TLB entries in the specified address space.
25  *	- start - start address (may not be aligned)
26  *	- end   - end address (exclusive, may not be aligned)
27  *	- vma   - vma_struct describing address range
30  *	- the "Invalidate single entry" instruction will invalidate
31  *	  both the I and the D TLBs on Harvard-style TLBs
34 	vma_vm_mm r3, r2			@ get vma->vm_mm
36 	mmid	r3, r3				@ get vm_mm->context.id
38 	mov	r0, r0, lsr #PAGE_SHIFT		@ align address
43 	vma_vm_flags r2, r2			@ get vma->vm_flags
63  *	- start - start address (may not be aligned)
64  *	- end   - end address (exclusive, may not be aligned)
69 	mov	r0, r0, lsr #PAGE_SHIFT		@ align address
89 	/* define struct cpu_tlb_fns (see <asm/tlbflush.h> and proc-macros.S) */