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yaml --- r: 279899 b: refs/heads/master c: 136848d h: refs/heads/master i: 279897: 590ebf3 279895: 7fb141d v: v3
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Catalin Marinas
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Dec 8, 2011
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: e0c0313bd720977a7ed01dc48f0762a3ddec607f | ||
| refs/heads/master: 136848d4ca9cf6f08edf6e50cb9bbe19de55c32a |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,20 @@ | ||
| void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); | ||
| #ifndef __ARCH_ARM_FAULT_H | ||
| #define __ARCH_ARM_FAULT_H | ||
|
|
||
| /* | ||
| * Fault status register encodings. We steal bit 31 for our own purposes. | ||
| */ | ||
| #define FSR_LNX_PF (1 << 31) | ||
| #define FSR_WRITE (1 << 11) | ||
| #define FSR_FS4 (1 << 10) | ||
| #define FSR_FS3_0 (15) | ||
|
|
||
| static inline int fsr_fs(unsigned int fsr) | ||
| { | ||
| return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6; | ||
| } | ||
|
|
||
| void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); | ||
| unsigned long search_exception_table(unsigned long addr); | ||
|
|
||
| #endif /* __ARCH_ARM_FAULT_H */ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,78 @@ | ||
| 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" }, | ||
| }; |