nios2/mm/fault.c

7  * Copyright (C) 1995-2000 Ralf Baechle
32 #define EXC_SUPERV_INSN_ACCESS	9  /* Supervisor only instruction address */
33 #define EXC_SUPERV_DATA_ACCESS	11 /* Supervisor only data address */
48 	struct mm_struct *mm = tsk->mm;  in do_page_fault()
56 	regs->ea -= 4;  in do_page_fault()
59 	 * We fault-in kernel-space virtual memory on-demand. The  in do_page_fault()
105 		if (!(vma->vm_flags & VM_EXEC))  in do_page_fault()
109 		if (!(vma->vm_flags & VM_READ))  in do_page_fault()
113 		if (!(vma->vm_flags & VM_WRITE))  in do_page_fault()
173 				"cause %ld\n", current->comm, SIGSEGV, address, cause);  in do_page_fault()
194 	pr_alert("ea = %08lx, ra = %08lx, cause = %ld\n", regs->ea, regs->ra,  in do_page_fault()
223 		 * Synchronize this task's top level page-table  in do_page_fault()