1 files changed, 0 insertions, 96 deletions
diff --git a/arch/cris/arch-v10/mm/fault.c b/arch/cris/arch-v10/mm/fault.c
deleted file mode 100644
index e6c2251..0000000
--- a/arch/cris/arch-v10/mm/fault.c
+++ /dev/null
@@ -1,96 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  linux/arch/cris/mm/fault.c
- *
- *  Low level bus fault handler
- *
- *
- *  Copyright (C) 2000-2007  Axis Communications AB
- *
- *  Authors:  Bjorn Wesen
- *
- */
-
-#include <linux/mm.h>
-#include <linux/uaccess.h>
-#include <asm/pgtable.h>
-#include <arch/svinto.h>
-#include <asm/mmu_context.h>
-
-/* debug of low-level TLB reload */
-#undef DEBUG
-
-#ifdef DEBUG
-#define D(x) x
-#else
-#define D(x)
-#endif
-
-extern const struct exception_table_entry
-	*search_exception_tables(unsigned long addr);
-
-asmlinkage void do_page_fault(unsigned long address, struct pt_regs *regs,
-                              int protection, int writeaccess);
-
-/* fast TLB-fill fault handler
- * this is called from entry.S with interrupts disabled
- */
-
-void
-handle_mmu_bus_fault(struct pt_regs *regs)
-{
-	int cause;
-	int select;
-#ifdef DEBUG
-	int index;
-	int page_id;
-	int acc, inv;
-#endif
-	pgd_t* pgd = (pgd_t*)per_cpu(current_pgd, smp_processor_id());
-	pmd_t *pmd;
-	pte_t pte;
-	int miss, we, writeac;
-	unsigned long address;
-	unsigned long flags;
-
-	cause = *R_MMU_CAUSE;
-
-	address = cause & PAGE_MASK; /* get faulting address */
-	select = *R_TLB_SELECT;
-
-#ifdef DEBUG
-	page_id = IO_EXTRACT(R_MMU_CAUSE,  page_id,   cause);
-	acc     = IO_EXTRACT(R_MMU_CAUSE,  acc_excp,  cause);
-	inv     = IO_EXTRACT(R_MMU_CAUSE,  inv_excp,  cause);
-	index   = IO_EXTRACT(R_TLB_SELECT, index,     select);
-#endif
-	miss    = IO_EXTRACT(R_MMU_CAUSE,  miss_excp, cause);
-	we      = IO_EXTRACT(R_MMU_CAUSE,  we_excp,   cause);
-	writeac = IO_EXTRACT(R_MMU_CAUSE,  wr_rd,     cause);
-
-	D(printk("bus_fault from IRP 0x%lx: addr 0x%lx, miss %d, inv %d, we %d, acc %d, dx %d pid %d\n",
-		 regs->irp, address, miss, inv, we, acc, index, page_id));
-
-	/* leave it to the MM system fault handler */
-	if (miss)
-		do_page_fault(address, regs, 0, writeac);
-        else
-		do_page_fault(address, regs, 1, we);
-
-        /* Reload TLB with new entry to avoid an extra miss exception.
-	 * do_page_fault may have flushed the TLB so we have to restore
-	 * the MMU registers.
-	 */
-	local_irq_save(flags);
-	pmd = (pmd_t *)(pgd + pgd_index(address));
-	if (pmd_none(*pmd))
-		goto exit;
-	pte = *pte_offset_kernel(pmd, address);
-	if (!pte_present(pte))
-		goto exit;
-	*R_TLB_SELECT = select;
-	*R_TLB_HI = cause;
-	*R_TLB_LO = pte_val(pte);
-exit:
-	local_irq_restore(flags);
-}