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Date: Sun, 14 Jun 2009 08:01:17 -0400
From: Mike Frysinger <vapier@...too.org>
To: linux-kernel@...r.kernel.org
Cc: uclinux-dist-devel@...ckfin.uclinux.org
Subject: [PATCH 16/17] Blackfin: convert page/tlb to asm-generic
Signed-off-by: Mike Frysinger <vapier@...too.org>
---
arch/blackfin/include/asm/io.h | 1 -
arch/blackfin/include/asm/page.h | 85 +---------------------------------
arch/blackfin/include/asm/tlbflush.h | 57 +----------------------
arch/blackfin/include/asm/ucontext.h | 18 +-------
4 files changed, 4 insertions(+), 157 deletions(-)
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 3022b5c..37053ec 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -222,7 +222,6 @@ extern void blkfin_inv_cache_all(void);
#define ioport_unmap(addr)
/* Pages to physical address... */
-#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)
#define phys_to_virt(vaddr) ((void *) (vaddr))
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h
index 3ea2016..29dcf75 100644
--- a/arch/blackfin/include/asm/page.h
+++ b/arch/blackfin/include/asm/page.h
@@ -1,88 +1,7 @@
#ifndef _BLACKFIN_PAGE_H
#define _BLACKFIN_PAGE_H
-/* PAGE_SHIFT determines the page size */
+#include <asm-generic/page.h>
+#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
-#define PAGE_SHIFT 12
-#ifdef __ASSEMBLY__
-#define PAGE_SIZE (1 << PAGE_SHIFT)
-#else
-#define PAGE_SIZE (1UL << PAGE_SHIFT)
#endif
-#define PAGE_MASK (~(PAGE_SIZE-1))
-
-#include <asm/setup.h>
-
-#ifndef __ASSEMBLY__
-
-#define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
-#define free_user_page(page, addr) free_page(addr)
-
-#define clear_page(page) memset((page), 0, PAGE_SIZE)
-#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE)
-
-#define clear_user_page(page, vaddr,pg) clear_page(page)
-#define copy_user_page(to, from, vaddr,pg) copy_page(to, from)
-
-/*
- * These are used to make use of C type-checking..
- */
-typedef struct {
- unsigned long pte;
-} pte_t;
-typedef struct {
- unsigned long pmd[16];
-} pmd_t;
-typedef struct {
- unsigned long pgd;
-} pgd_t;
-typedef struct {
- unsigned long pgprot;
-} pgprot_t;
-typedef struct page *pgtable_t;
-
-#define pte_val(x) ((x).pte)
-#define pmd_val(x) ((&x)->pmd[0])
-#define pgd_val(x) ((x).pgd)
-#define pgprot_val(x) ((x).pgprot)
-
-#define __pte(x) ((pte_t) { (x) } )
-#define __pmd(x) ((pmd_t) { (x) } )
-#define __pgd(x) ((pgd_t) { (x) } )
-#define __pgprot(x) ((pgprot_t) { (x) } )
-
-extern unsigned long memory_start;
-extern unsigned long memory_end;
-
-#endif /* !__ASSEMBLY__ */
-
-#include <asm/page_offset.h>
-#include <asm/io.h>
-
-#define PAGE_OFFSET (PAGE_OFFSET_RAW)
-
-#ifndef __ASSEMBLY__
-
-#define __pa(vaddr) virt_to_phys((void *)(vaddr))
-#define __va(paddr) phys_to_virt((unsigned long)(paddr))
-
-#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
-
-#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
-#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT)
-#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT))
-#define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET)
-#define VALID_PAGE(page) ((page - mem_map) < max_mapnr)
-
-#define pfn_to_page(pfn) virt_to_page(pfn_to_virt(pfn))
-#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))
-#define pfn_valid(pfn) ((pfn) < max_mapnr)
-
-#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
- ((void *)(kaddr) < (void *)memory_end))
-
-#include <asm-generic/getorder.h>
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* _BLACKFIN_PAGE_H */
diff --git a/arch/blackfin/include/asm/tlbflush.h b/arch/blackfin/include/asm/tlbflush.h
index 277b400..f1a06c0 100644
--- a/arch/blackfin/include/asm/tlbflush.h
+++ b/arch/blackfin/include/asm/tlbflush.h
@@ -1,56 +1 @@
-#ifndef _BLACKFIN_TLBFLUSH_H
-#define _BLACKFIN_TLBFLUSH_H
-
-/*
- * Copyright (C) 2000 Lineo, David McCullough <davidm@...inux.org>
- * Copyright (C) 2000-2002, Greg Ungerer <gerg@...pgear.com>
- */
-
-#include <asm/setup.h>
-
-/*
- * flush all user-space atc entries.
- */
-static inline void __flush_tlb(void)
-{
- BUG();
-}
-
-static inline void __flush_tlb_one(unsigned long addr)
-{
- BUG();
-}
-
-#define flush_tlb() __flush_tlb()
-
-/*
- * flush all atc entries (both kernel and user-space entries).
- */
-static inline void flush_tlb_all(void)
-{
- BUG();
-}
-
-static inline void flush_tlb_mm(struct mm_struct *mm)
-{
- BUG();
-}
-
-static inline void flush_tlb_page(struct vm_area_struct *vma,
- unsigned long addr)
-{
- BUG();
-}
-
-static inline void flush_tlb_range(struct mm_struct *mm,
- unsigned long start, unsigned long end)
-{
- BUG();
-}
-
-static inline void flush_tlb_kernel_page(unsigned long addr)
-{
- BUG();
-}
-
-#endif
+#include <asm-generic/tlbflush.h>
diff --git a/arch/blackfin/include/asm/ucontext.h b/arch/blackfin/include/asm/ucontext.h
index 4a4e385..9bc07b9 100644
--- a/arch/blackfin/include/asm/ucontext.h
+++ b/arch/blackfin/include/asm/ucontext.h
@@ -1,17 +1 @@
-/** Changes made by Tony Kou Lineo Inc. May 2001
- *
- * Based on: include/m68knommu/ucontext.h
- */
-
-#ifndef _BLACKFIN_UCONTEXT_H
-#define _BLACKFIN_UCONTEXT_H
-
-struct ucontext {
- unsigned long uc_flags; /* the others are necessary */
- struct ucontext *uc_link;
- stack_t uc_stack;
- struct sigcontext uc_mcontext;
- sigset_t uc_sigmask; /* mask last for extensibility */
-};
-
-#endif /* _BLACKFIN_UCONTEXT_H */
+#include <asm-generic/ucontext.h>
--
1.6.3.1
--
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