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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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136848d4ca
The FSR structure is different with LPAE and this patch moves the classic MMU specific definition to a separate fsr-2level.c file that is included in fault.c. It also moves the fsr_fs and FSR bits to the fault.h file. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
79 lines
3.8 KiB
C
79 lines
3.8 KiB
C
static struct fsr_info fsr_info[] = {
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/*
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* The following are the standard ARMv3 and ARMv4 aborts. ARMv5
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* defines these to be "precise" aborts.
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*/
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{ do_bad, SIGSEGV, 0, "vector exception" },
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{ do_bad, SIGBUS, BUS_ADRALN, "alignment exception" },
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{ do_bad, SIGKILL, 0, "terminal exception" },
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{ do_bad, SIGBUS, BUS_ADRALN, "alignment exception" },
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{ do_bad, SIGBUS, 0, "external abort on linefetch" },
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{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault" },
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{ do_bad, SIGBUS, 0, "external abort on linefetch" },
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{ do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault" },
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{ do_bad, SIGBUS, 0, "external abort on non-linefetch" },
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{ do_bad, SIGSEGV, SEGV_ACCERR, "section domain fault" },
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{ do_bad, SIGBUS, 0, "external abort on non-linefetch" },
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{ do_bad, SIGSEGV, SEGV_ACCERR, "page domain fault" },
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{ do_bad, SIGBUS, 0, "external abort on translation" },
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{ do_sect_fault, SIGSEGV, SEGV_ACCERR, "section permission fault" },
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{ do_bad, SIGBUS, 0, "external abort on translation" },
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{ do_page_fault, SIGSEGV, SEGV_ACCERR, "page permission fault" },
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/*
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* The following are "imprecise" aborts, which are signalled by bit
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* 10 of the FSR, and may not be recoverable. These are only
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* supported if the CPU abort handler supports bit 10.
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*/
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{ do_bad, SIGBUS, 0, "unknown 16" },
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{ do_bad, SIGBUS, 0, "unknown 17" },
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{ do_bad, SIGBUS, 0, "unknown 18" },
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{ do_bad, SIGBUS, 0, "unknown 19" },
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{ do_bad, SIGBUS, 0, "lock abort" }, /* xscale */
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{ do_bad, SIGBUS, 0, "unknown 21" },
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{ do_bad, SIGBUS, BUS_OBJERR, "imprecise external abort" }, /* xscale */
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{ do_bad, SIGBUS, 0, "unknown 23" },
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{ do_bad, SIGBUS, 0, "dcache parity error" }, /* xscale */
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{ do_bad, SIGBUS, 0, "unknown 25" },
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{ do_bad, SIGBUS, 0, "unknown 26" },
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{ do_bad, SIGBUS, 0, "unknown 27" },
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{ do_bad, SIGBUS, 0, "unknown 28" },
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{ do_bad, SIGBUS, 0, "unknown 29" },
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{ do_bad, SIGBUS, 0, "unknown 30" },
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{ do_bad, SIGBUS, 0, "unknown 31" },
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};
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static struct fsr_info ifsr_info[] = {
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{ do_bad, SIGBUS, 0, "unknown 0" },
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{ do_bad, SIGBUS, 0, "unknown 1" },
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{ do_bad, SIGBUS, 0, "debug event" },
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{ do_bad, SIGSEGV, SEGV_ACCERR, "section access flag fault" },
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{ do_bad, SIGBUS, 0, "unknown 4" },
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{ do_translation_fault, SIGSEGV, SEGV_MAPERR, "section translation fault" },
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{ do_bad, SIGSEGV, SEGV_ACCERR, "page access flag fault" },
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{ do_page_fault, SIGSEGV, SEGV_MAPERR, "page translation fault" },
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{ do_bad, SIGBUS, 0, "external abort on non-linefetch" },
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{ do_bad, SIGSEGV, SEGV_ACCERR, "section domain fault" },
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{ do_bad, SIGBUS, 0, "unknown 10" },
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{ do_bad, SIGSEGV, SEGV_ACCERR, "page domain fault" },
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{ do_bad, SIGBUS, 0, "external abort on translation" },
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{ do_sect_fault, SIGSEGV, SEGV_ACCERR, "section permission fault" },
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{ do_bad, SIGBUS, 0, "external abort on translation" },
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{ do_page_fault, SIGSEGV, SEGV_ACCERR, "page permission fault" },
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{ do_bad, SIGBUS, 0, "unknown 16" },
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{ do_bad, SIGBUS, 0, "unknown 17" },
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{ do_bad, SIGBUS, 0, "unknown 18" },
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{ do_bad, SIGBUS, 0, "unknown 19" },
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{ do_bad, SIGBUS, 0, "unknown 20" },
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{ do_bad, SIGBUS, 0, "unknown 21" },
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{ do_bad, SIGBUS, 0, "unknown 22" },
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{ do_bad, SIGBUS, 0, "unknown 23" },
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{ do_bad, SIGBUS, 0, "unknown 24" },
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{ do_bad, SIGBUS, 0, "unknown 25" },
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{ do_bad, SIGBUS, 0, "unknown 26" },
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{ do_bad, SIGBUS, 0, "unknown 27" },
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{ do_bad, SIGBUS, 0, "unknown 28" },
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{ do_bad, SIGBUS, 0, "unknown 29" },
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{ do_bad, SIGBUS, 0, "unknown 30" },
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{ do_bad, SIGBUS, 0, "unknown 31" },
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};
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