arch/arm/mm/fsr-2level.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 static struct fsr_info fsr_info[] = {
   3         /*
   4          * The following are the standard ARMv3 and ARMv4 aborts.  ARMv5
   5          * defines these to be "precise" aborts.
   6          */
   7         { do_bad,               SIGSEGV, 0,             "vector exception"                 },
   8         { do_bad,               SIGBUS,  BUS_ADRALN,    "alignment exception"              },
   9         { do_bad,               SIGKILL, 0,             "terminal exception"               },
  10         { do_bad,               SIGBUS,  BUS_ADRALN,    "alignment exception"              },
  11         { do_bad,               SIGBUS,  0,             "external abort on linefetch"      },
  12         { do_translation_fault, SIGSEGV, SEGV_MAPERR,   "section translation fault"        },
  13         { do_bad,               SIGBUS,  0,             "external abort on linefetch"      },
  14         { do_page_fault,        SIGSEGV, SEGV_MAPERR,   "page translation fault"           },
  15         { do_bad,               SIGBUS,  0,             "external abort on non-linefetch"  },
  16         { do_bad,               SIGSEGV, SEGV_ACCERR,   "section domain fault"             },
  17         { do_bad,               SIGBUS,  0,             "external abort on non-linefetch"  },
  18         { do_bad,               SIGSEGV, SEGV_ACCERR,   "page domain fault"                },
  19         { do_bad,               SIGBUS,  0,             "external abort on translation"    },
  20         { do_sect_fault,        SIGSEGV, SEGV_ACCERR,   "section permission fault"         },
  21         { do_bad,               SIGBUS,  0,             "external abort on translation"    },
  22         { do_page_fault,        SIGSEGV, SEGV_ACCERR,   "page permission fault"            },
  23         /*
  24          * The following are "imprecise" aborts, which are signalled by bit
  25          * 10 of the FSR, and may not be recoverable.  These are only
  26          * supported if the CPU abort handler supports bit 10.
  27          */
  28         { do_bad,               SIGBUS,  0,             "unknown 16"                       },
  29         { do_bad,               SIGBUS,  0,             "unknown 17"                       },
  30         { do_bad,               SIGBUS,  0,             "unknown 18"                       },
  31         { do_bad,               SIGBUS,  0,             "unknown 19"                       },
  32         { do_bad,               SIGBUS,  0,             "lock abort"                       }, /* xscale */
  33         { do_bad,               SIGBUS,  0,             "unknown 21"                       },
  34         { do_bad,               SIGBUS,  BUS_OBJERR,    "imprecise external abort"         }, /* xscale */
  35         { do_bad,               SIGBUS,  0,             "unknown 23"                       },
  36         { do_bad,               SIGBUS,  0,             "dcache parity error"              }, /* xscale */
  37         { do_bad,               SIGBUS,  0,             "unknown 25"                       },
  38         { do_bad,               SIGBUS,  0,             "unknown 26"                       },
  39         { do_bad,               SIGBUS,  0,             "unknown 27"                       },
  40         { do_bad,               SIGBUS,  0,             "unknown 28"                       },
  41         { do_bad,               SIGBUS,  0,             "unknown 29"                       },
  42         { do_bad,               SIGBUS,  0,             "unknown 30"                       },
  43         { do_bad,               SIGBUS,  0,             "unknown 31"                       },
  44 };
  45
  46 static struct fsr_info ifsr_info[] = {
  47         { do_bad,               SIGBUS,  0,             "unknown 0"                        },
  48         { do_bad,               SIGBUS,  0,             "unknown 1"                        },
  49         { do_bad,               SIGBUS,  0,             "debug event"                      },
  50         { do_bad,               SIGSEGV, SEGV_ACCERR,   "section access flag fault"        },
  51         { do_bad,               SIGBUS,  0,             "unknown 4"                        },
  52         { do_translation_fault, SIGSEGV, SEGV_MAPERR,   "section translation fault"        },
  53         { do_bad,               SIGSEGV, SEGV_ACCERR,   "page access flag fault"           },
  54         { do_page_fault,        SIGSEGV, SEGV_MAPERR,   "page translation fault"           },
  55         { do_bad,               SIGBUS,  0,             "external abort on non-linefetch"  },
  56         { do_bad,               SIGSEGV, SEGV_ACCERR,   "section domain fault"             },
  57         { do_bad,               SIGBUS,  0,             "unknown 10"                       },
  58         { do_bad,               SIGSEGV, SEGV_ACCERR,   "page domain fault"                },
  59         { do_bad,               SIGBUS,  0,             "external abort on translation"    },
  60         { do_sect_fault,        SIGSEGV, SEGV_ACCERR,   "section permission fault"         },
  61         { do_bad,               SIGBUS,  0,             "external abort on translation"    },
  62         { do_page_fault,        SIGSEGV, SEGV_ACCERR,   "page permission fault"            },
  63         { do_bad,               SIGBUS,  0,             "unknown 16"                       },
  64         { do_bad,               SIGBUS,  0,             "unknown 17"                       },
  65         { do_bad,               SIGBUS,  0,             "unknown 18"                       },
  66         { do_bad,               SIGBUS,  0,             "unknown 19"                       },
  67         { do_bad,               SIGBUS,  0,             "unknown 20"                       },
  68         { do_bad,               SIGBUS,  0,             "unknown 21"                       },
  69         { do_bad,               SIGBUS,  0,             "unknown 22"                       },
  70         { do_bad,               SIGBUS,  0,             "unknown 23"                       },
  71         { do_bad,               SIGBUS,  0,             "unknown 24"                       },
  72         { do_bad,               SIGBUS,  0,             "unknown 25"                       },
  73         { do_bad,               SIGBUS,  0,             "unknown 26"                       },
  74         { do_bad,               SIGBUS,  0,             "unknown 27"                       },
  75         { do_bad,               SIGBUS,  0,             "unknown 28"                       },
  76         { do_bad,               SIGBUS,  0,             "unknown 29"                       },
  77         { do_bad,               SIGBUS,  0,             "unknown 30"                       },
  78         { do_bad,               SIGBUS,  0,             "unknown 31"                       },
  79 };