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-rw-r--r--arch/sparc/mm/Makefile1
-rw-r--r--arch/sparc/mm/generic_32.c98
-rw-r--r--arch/sparc/mm/generic_64.c164
3 files changed, 0 insertions, 263 deletions
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index 79836a7dd00..3b6e248650d 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o
obj-y += fault_$(BITS).o
obj-y += init_$(BITS).o
obj-$(CONFIG_SPARC32) += loadmmu.o
-obj-y += generic_$(BITS).o
obj-$(CONFIG_SPARC32) += extable.o btfixup.o srmmu.o iommu.o io-unit.o
obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o
obj-$(CONFIG_SPARC_LEON)+= leon_mm.o
diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c
deleted file mode 100644
index e6067b75f11..00000000000
--- a/arch/sparc/mm/generic_32.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- * MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- do {
- set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
- address += PAGE_SIZE;
- offset += PAGE_SIZE;
- pte++;
- } while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PGDIR_MASK;
- end = address + size;
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
- offset -= address;
- do {
- pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
- if (!pte)
- return -ENOMEM;
- io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address < end);
- return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn, unsigned long size, pgprot_t prot)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
- int space = GET_IOSPACE(pfn);
- unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-
- /* See comment in mm/memory.c remap_pfn_range */
- vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
- vma->vm_pgoff = (offset >> PAGE_SHIFT) |
- ((unsigned long)space << 28UL);
-
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- while (from < end) {
- pmd_t *pmd = pmd_alloc(mm, dir, from);
- error = -ENOMEM;
- if (!pmd)
- break;
- error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
-
- flush_tlb_range(vma, beg, end);
- return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c
deleted file mode 100644
index 3cb00dfd4bd..00000000000
--- a/arch/sparc/mm/generic_64.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- * MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
- unsigned long address,
- unsigned long size,
- unsigned long offset, pgprot_t prot,
- int space)
-{
- unsigned long end;
-
- /* clear hack bit that was used as a write_combine side-effect flag */
- offset &= ~0x1UL;
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- do {
- pte_t entry;
- unsigned long curend = address + PAGE_SIZE;
-
- entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
- if (!(address & 0xffff)) {
- if (PAGE_SIZE < (4 * 1024 * 1024) &&
- !(address & 0x3fffff) &&
- !(offset & 0x3ffffe) &&
- end >= address + 0x400000) {
- entry = mk_pte_io(offset, prot, space,
- 4 * 1024 * 1024);
- curend = address + 0x400000;
- offset += 0x400000;
- } else if (PAGE_SIZE < (512 * 1024) &&
- !(address & 0x7ffff) &&
- !(offset & 0x7fffe) &&
- end >= address + 0x80000) {
- entry = mk_pte_io(offset, prot, space,
- 512 * 1024 * 1024);
- curend = address + 0x80000;
- offset += 0x80000;
- } else if (PAGE_SIZE < (64 * 1024) &&
- !(offset & 0xfffe) &&
- end >= address + 0x10000) {
- entry = mk_pte_io(offset, prot, space,
- 64 * 1024);
- curend = address + 0x10000;
- offset += 0x10000;
- } else
- offset += PAGE_SIZE;
- } else
- offset += PAGE_SIZE;
-
- if (pte_write(entry))
- entry = pte_mkdirty(entry);
- do {
- BUG_ON(!pte_none(*pte));
- set_pte_at(mm, address, pte, entry);
- address += PAGE_SIZE;
- pte_val(entry) += PAGE_SIZE;
- pte++;
- } while (address < curend);
- } while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PGDIR_MASK;
- end = address + size;
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
- offset -= address;
- do {
- pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
- if (!pte)
- return -ENOMEM;
- io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
- pte_unmap(pte);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address < end);
- return 0;
-}
-
-static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PUD_MASK;
- end = address + size;
- if (end > PUD_SIZE)
- end = PUD_SIZE;
- offset -= address;
- do {
- pmd_t *pmd = pmd_alloc(mm, pud, address);
- if (!pud)
- return -ENOMEM;
- io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space);
- address = (address + PUD_SIZE) & PUD_MASK;
- pud++;
- } while (address < end);
- return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn, unsigned long size, pgprot_t prot)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
- int space = GET_IOSPACE(pfn);
- unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
- unsigned long phys_base;
-
- phys_base = offset | (((unsigned long) space) << 32UL);
-
- /* See comment in mm/memory.c remap_pfn_range */
- vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
- vma->vm_pgoff = phys_base >> PAGE_SHIFT;
-
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- while (from < end) {
- pud_t *pud = pud_alloc(mm, dir, from);
- error = -ENOMEM;
- if (!pud)
- break;
- error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
-
- flush_tlb_range(vma, beg, end);
- return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-26 05:29:45 +0000