cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fsr-2level.c (3967B)


      1// SPDX-License-Identifier: GPL-2.0
      2static 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
     46static 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};