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Julius Werner bf3b492412 arm: Dump additional fault registers in abort handlers 
Paging code is tricky and figuring out what is wrong with it can be a
pain. This patch tries to ease the burden by giving a little more
information for prefetch and data aborts, dumping the Instruction Fault
Address Register (IFAR), Instruction Fault Status Register (IFSR) and
Auxiliary Instruction Fault Status Register (AIFSR) or the respective
Data registers. These contain additional information about the cause of
the abort (internal/external, write or read, fault subtype, etc.) and
the faulting address.

BUG=None
TEST=I have read through enough imprecise asynchronous external abort
reports with this patch that I learned the bit pattern by heart.

Change-Id: I56a0557d4257f40b5b30c559c84eaf9b9f729099
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/223784
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2014-10-18 01:37:16 +00:00
..
arm/arch arm: Dump additional fault registers in abort handlers 2014-10-18 01:37:16 +00:00
arm64/arch libpayload: arm64: fix mmu bugs 2014-10-09 16:42:13 +00:00
arpa Refactor the endianness conversion functions and header files. 2012-11-08 19:49:51 +01:00
pci libpayload: Fix renaming of REG_CLASS_DEV to REG_SUBCLASS 2012-12-10 16:45:00 +01:00
storage libpayload: Change CONFIG_* to CONFIG_LP_* in the kconfig. 2013-08-14 17:05:33 -07:00
sys libpayload: Start using only internal and compiler headers. 2013-03-13 22:04:44 +01:00
usb libpayload:support dwc2 usb driver 2014-09-04 15:47:17 +00:00
x86/arch libpayload: Add support for memory barriers 2014-08-26 03:05:57 +00:00
assert.h libpayload: Fix the format string of the assert macro. 2012-11-07 18:36:05 +01:00
cbfs.h Provide selfboot() external declaration in a common file 2014-05-24 02:53:58 +00:00
cbfs_core.h libpayload: Add support for arm64 in libpayload 2014-06-07 01:28:57 +00:00
cbfs_ram.h libpayload: expose cbfs ram functions 2013-05-24 16:27:51 -07:00
coreboot_tables.h libpayload: cros: include mac addresses in coreboot table 2014-09-24 08:56:03 +00:00
ctype.h Attached patch moves functions out of the huge libpayload.h into headers 2010-06-24 11:16:10 +00:00
die.h libpayload: Add a new "die" function to fatally signal programming errors. 2013-11-27 01:46:00 +00:00
endian.h libpayload: Expand setbits_le32() and fix readl() const-ness 2014-07-19 01:08:25 +00:00
errno.h Attached patch moves functions out of the huge libpayload.h into headers 2010-06-24 11:16:10 +00:00
exception.h libpayload: Rework exception hook interface 2014-06-11 03:30:54 +00:00
gdb.h libpayload: Add remote GDB support 2014-06-11 03:33:56 +00:00
getopt.h Since some people disapprove of white space cleanups mixed in regular commits 2010-04-27 06:56:47 +00:00
inttypes.h libpayload: Start using only internal and compiler headers. 2013-03-13 22:04:44 +01:00
ipchksum.h libpayload: Fix the license in some files which were accidentally made GPL. 2014-01-11 01:36:57 +00:00
kconfig.h libpayload: Change CONFIG_* to CONFIG_LP_* in the kconfig. 2013-08-14 17:05:33 -07:00
keycodes.h libpayload: Make keycode constants available outside of curses.h. 2013-03-18 20:45:48 +01:00
lar.h libpayload: Add LAR walking support 2008-05-07 20:34:02 +00:00
libpayload.h libpayload arm64: Add function to get coreboot table ptr 2014-09-17 01:23:33 +00:00
limits.h libpayload: Improve compatibility 2011-07-16 11:09:28 +02:00
lzma.h LZMA: Add a version of ulzma which takes the input and output buffer sizes. 2013-08-14 17:05:34 -07:00
malloc.h libpayload: Provide atol(), malloc.h 2011-07-07 22:29:53 +02:00
multiboot_tables.h [PATCH] libpayload: Add multiboot support 2008-10-20 16:51:43 +00:00
panel.h libpayload: Add PDCurses and ncurses' libform/libmenu 2011-08-04 08:10:41 +02:00
pci.h libpayload: Add definitions for more config space registers. 2012-11-07 18:36:27 +01:00
stdarg.h libpayload: Don't sneak in compiler includes 2013-04-09 13:45:42 -07:00
stddef.h ARM: API to Map Physical Address to Wipe Memory above 4GB 2014-03-07 04:54:49 +00:00
stdint.h libpayload: Fix type issues 2013-03-26 19:36:39 +01:00
stdio.h libpayload: Add the format attribute to functions in stdio.h. 2012-11-07 18:36:14 +01:00
stdlib.h libpayload: Add remote GDB support 2014-06-11 03:33:56 +00:00
string.h libpayload: Implement strlcpy 2011-07-07 22:29:35 +02:00
strings.h libpayload: Implement ffs() 2011-03-01 07:23:49 +00:00
sysinfo.h libpayload: cros: include mac addresses in coreboot table 2014-09-24 08:56:03 +00:00
term.h libpayload: remove trailing whitespace and run dos2unix 2011-11-01 19:08:23 +01:00
unistd.h libpayload: Don't sneak in compiler includes 2013-04-09 13:45:42 -07:00
video_console.h Add coreboot framebuffer support to libpayload 2010-03-25 18:56:26 +00:00