root/arch/arm/mm/pabort-v7.S

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   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <linux/linkage.h>
   3 #include <asm/assembler.h>
   4 
   5 /*
   6  * Function: v7_pabort
   7  *
   8  * Params  : r2 = pt_regs
   9  *         : r4 = address of aborted instruction
  10  *         : r5 = psr for parent context
  11  *
  12  * Returns : r4 - r11, r13 preserved
  13  *
  14  * Purpose : obtain information about current prefetch abort.
  15  */
  16 
  17         .align  5
  18 ENTRY(v7_pabort)
  19         mrc     p15, 0, r0, c6, c0, 2           @ get IFAR
  20         mrc     p15, 0, r1, c5, c0, 1           @ get IFSR
  21         b       do_PrefetchAbort
  22 ENDPROC(v7_pabort)
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