kernel abort

arch/arm/mm/fsr-2level.c , fsr-3level.c

static struct fsr_info fsr_info[] = {
/*
* The following are the standard ARMv3 and ARMv4 aborts.  ARMv5
* defines these to be "precise" aborts.
*/
{ do_bad, SIGSEGV, 0, "vector exception"    },
{ do_bad, SIGBUS, BUS_ADRALN, "alignment exception"    },
{ do_bad, SIGKILL, 0, "terminal exception"    },
{ do_bad, SIGBUS, BUS_ADRALN, "alignment exception"    },
{ do_bad, SIGBUS, 0, "external abort on linefetch"    },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault"    },
{ do_bad, SIGBUS, 0, "external abort on linefetch"    },
{ do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault"    },
{ do_bad, SIGBUS, 0, "external abort on non-linefetch"  },
{ do_bad, SIGSEGV, SEGV_ACCERR, "section domain fault"    },
{ do_bad, SIGBUS, 0, "external abort on non-linefetch"  },
{ do_bad, SIGSEGV, SEGV_ACCERR, "page domain fault"    },
{ do_bad, SIGBUS, 0, "external abort on translation"    },
{ do_sect_fault, SIGSEGV, SEGV_ACCERR, "section permission fault"    },
{ do_bad, SIGBUS, 0, "external abort on translation"    },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "page permission fault"    },
/*
* The following are "imprecise" aborts, which are signalled by bit
* 10 of the FSR, and may not be recoverable.  These are only
* supported if the CPU abort handler supports bit 10.
*/
{ do_bad, SIGBUS,  0, "unknown 16"    },
{ do_bad, SIGBUS,  0, "unknown 17"    },
{ do_bad, SIGBUS,  0, "unknown 18"    },
{ do_bad, SIGBUS,  0, "unknown 19"    },
{ do_bad, SIGBUS,  0, "lock abort"    }, /* xscale */
{ do_bad, SIGBUS,  0, "unknown 21"    },
{ do_bad, SIGBUS,  BUS_OBJERR, "imprecise external abort"    }, /* xscale */
{ do_bad, SIGBUS,  0, "unknown 23"    },
{ do_bad, SIGBUS,  0, "dcache parity error"    }, /* xscale */
{ do_bad, SIGBUS,  0, "unknown 25"    },
{ do_bad, SIGBUS,  0, "unknown 26"    },
{ do_bad, SIGBUS,  0, "unknown 27"    },
{ do_bad, SIGBUS,  0, "unknown 28"    },
{ do_bad, SIGBUS,  0, "unknown 29"    },
{ do_bad, SIGBUS,  0, "unknown 30"    },
{ do_bad, SIGBUS,  0, "unknown 31"    },
};

static struct fsr_info ifsr_info[] = {
{ do_bad, SIGBUS,  0, "unknown 0"    },
{ do_bad, SIGBUS,  0, "unknown 1"    },
{ do_bad, SIGBUS,  0, "debug event"    },
{ do_bad, SIGSEGV, SEGV_ACCERR, "section access flag fault"    },
{ do_bad, SIGBUS,  0, "unknown 4"    },
{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault"    },
{ do_bad, SIGSEGV, SEGV_ACCERR, "page access flag fault"    },
{ do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault"    },
{ do_bad, SIGBUS, 0, "external abort on non-linefetch"  },
{ do_bad, SIGSEGV, SEGV_ACCERR, "section domain fault"    },
{ do_bad, SIGBUS,  0, "unknown 10"    },
{ do_bad, SIGSEGV, SEGV_ACCERR, "page domain fault"    },
{ do_bad, SIGBUS, 0, "external abort on translation"    },
{ do_sect_fault, SIGSEGV, SEGV_ACCERR, "section permission fault"    },
{ do_bad, SIGBUS, 0, "external abort on translation"    },
{ do_page_fault, SIGSEGV, SEGV_ACCERR, "page permission fault"    },
{ do_bad, SIGBUS,  0, "unknown 16"    },
{ do_bad, SIGBUS,  0, "unknown 17"    },
{ do_bad, SIGBUS,  0, "unknown 18"    },
{ do_bad, SIGBUS,  0, "unknown 19"    },
{ do_bad, SIGBUS,  0, "unknown 20"    },
{ do_bad, SIGBUS,  0, "unknown 21"    },
{ do_bad, SIGBUS,  0, "unknown 22"    },
{ do_bad, SIGBUS,  0, "unknown 23"    },
{ do_bad, SIGBUS,  0, "unknown 24"    },
{ do_bad, SIGBUS,  0, "unknown 25"    },
{ do_bad, SIGBUS,  0, "unknown 26"    },
{ do_bad, SIGBUS,  0, "unknown 27"    },
{ do_bad, SIGBUS,  0, "unknown 28"    },
{ do_bad, SIGBUS,  0, "unknown 29"    },
{ do_bad, SIGBUS,  0, "unknown 30"    },
{ do_bad, SIGBUS,  0, "unknown 31"    },
};