Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 45be7d46 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze_mmu_v2: Update tlb.h and tlbflush.h 



Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 5233806d

arch/microblaze/include/asm/tlb.h

+8 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>

 * Copyright (C) 2008-2009 PetaLogix

 * Copyright (C) 2006 Atmark Techno, Inc.

 *

 * This file is subject to the terms and conditions of the GNU General Public
@@ -13,4 +15,10 @@ 


#include <asm-generic/tlb.h>



#ifdef CONFIG_MMU

#define tlb_start_vma(tlb, vma)		do { } while (0)

#define tlb_end_vma(tlb, vma)		do { } while (0)

#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)

#endif



#endif /* _ASM_MICROBLAZE_TLB_H */

arch/microblaze/include/asm/tlbflush.h

+48 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>

 * Copyright (C) 2008-2009 PetaLogix

 * Copyright (C) 2006 Atmark Techno, Inc.

 *

 * This file is subject to the terms and conditions of the GNU General Public
@@ -9,6 +11,50 @@ 
#ifndef _ASM_MICROBLAZE_TLBFLUSH_H

#define _ASM_MICROBLAZE_TLBFLUSH_H



#ifdef CONFIG_MMU



#include <linux/sched.h>

#include <linux/threads.h>

#include <asm/processor.h>	/* For TASK_SIZE */

#include <asm/mmu.h>

#include <asm/page.h>

#include <asm/pgalloc.h>



extern void _tlbie(unsigned long address);

extern void _tlbia(void);



#define __tlbia()	_tlbia()



static inline void local_flush_tlb_all(void)

	{ __tlbia(); }

static inline void local_flush_tlb_mm(struct mm_struct *mm)

	{ __tlbia(); }

static inline void local_flush_tlb_page(struct vm_area_struct *vma,

				unsigned long vmaddr)

	{ _tlbie(vmaddr); }

static inline void local_flush_tlb_range(struct vm_area_struct *vma,

		unsigned long start, unsigned long end)

	{ __tlbia(); }



#define flush_tlb_kernel_range(start, end)	do { } while (0)



#define update_mmu_cache(vma, addr, pte)	do { } while (0)



#define flush_tlb_all local_flush_tlb_all

#define flush_tlb_mm local_flush_tlb_mm

#define flush_tlb_page local_flush_tlb_page

#define flush_tlb_range local_flush_tlb_range



/*

 * This is called in munmap when we have freed up some page-table

 * pages.  We don't need to do anything here, there's nothing special

 * about our page-table pages.  -- paulus

 */

static inline void flush_tlb_pgtables(struct mm_struct *mm,

	unsigned long start, unsigned long end) { }



#else /* CONFIG_MMU */



#define flush_tlb()				BUG()

#define flush_tlb_all()				BUG()

#define flush_tlb_mm(mm)			BUG()
@@ -17,4 +63,6 @@ 
#define flush_tlb_pgtables(mm, start, end)	BUG()

#define flush_tlb_kernel_range(start, end)	BUG()



#endif /* CONFIG_MMU */



#endif /* _ASM_MICROBLAZE_TLBFLUSH_H */