fault-armo.c File Reference

#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include "fault-common.c"

Include dependency graph for fault-armo.c:

Go to the source code of this file.

Defines
#define	FAULT_CODE_FORCECOW   0x80
#define	FAULT_CODE_PREFETCH   0x04
#define	FAULT_CODE_WRITE   0x02
#define	DO_COW(m)   ((m) & (FAULT_CODE_WRITE|FAULT_CODE_FORCECOW))
#define	READ_FAULT(m)   (!((m) & FAULT_CODE_WRITE))
Functions
static void *	alloc_table (int size, int prio)
void	free_table (void *table)
pgd_t *	get_pgd_slow (void)
pte_t *	get_pte_slow (pmd_t *pmd, unsigned long offset)
asmlinkage void	do_DataAbort (unsigned long min_addr, unsigned long max_addr, int mode, struct pt_regs *regs)
asmlinkage int	do_PrefetchAbort (unsigned long addr, struct pt_regs *regs)

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Define Documentation

#define DO_COW (  m   )     ((m) & (FAULT_CODE_WRITE|FAULT_CODE_FORCECOW))

Definition at line 27 of file fault-armo.c. Referenced by do_page_fault().

#define FAULT_CODE_FORCECOW   0x80

Definition at line 23 of file fault-armo.c. Referenced by do_DataAbort().

#define FAULT_CODE_PREFETCH   0x04

Definition at line 24 of file fault-armo.c.

#define FAULT_CODE_WRITE   0x02

Definition at line 25 of file fault-armo.c.

#define READ_FAULT (  m   )     (!((m) & FAULT_CODE_WRITE))

Definition at line 28 of file fault-armo.c. Referenced by do_page_fault().

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Function Documentation

static void* alloc_table (  int  size, int  prio )  [static]

Definition at line 32 of file fault-armo.c. References get_page_8k(), and printk. Referenced by get_pgd_slow(), and get_pte_slow(). Here is the call graph for this function:

asmlinkage void do_DataAbort (  unsigned long  min_addr, unsigned long  max_addr, int  mode, struct pt_regs *  regs )

Definition at line 86 of file fault-armo.c. References do_page_fault, FAULT_CODE_FORCECOW, and PAGE_SHIFT.

asmlinkage int do_PrefetchAbort (  unsigned long  addr, struct pt_regs *  regs )

Definition at line 95 of file fault-armo.c. References do_page_fault, exists, FAULT_CODE_PREFETCH, page, printk, and the.

void free_table (  void *  table  )

Definition at line 39 of file fault-armo.c. References free_page_8k(). Referenced by free_pgd_slow(), free_pte_slow(), and get_pte_slow(). Here is the call graph for this function:

pgd_t* get_pgd_slow (  void   )

Definition at line 44 of file fault-armo.c. Referenced by get_pgd_fast().

pte_t* get_pte_slow (  pmd_t *  pmd, unsigned long  offset )

Definition at line 58 of file fault-armo.c. References __bad_pmd(), alloc_table(), BAD_PAGETABLE, BYTES_PER_PTR, free_table(), memzero, mk_pmd(), NULL, pmd_bad, pmd_none, pmd_page, PTRS_PER_PTE, and set_pmd. Here is the call graph for this function:

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