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armv7a: ARMv7-A MMU tools

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factor out mmu-related code from armv7a.c, add a 'dump' command for
page tables.

Change-Id: Ic1ac3c645d7fd097e9d625c7c8302e7065875dd4
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/4327
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Matthias Welwarsky
2016-07-14 21:00:59 +02:00
committed by Matthias Welwarsky
parent 29c81a8051
commit 010b09121c
7 changed files with 497 additions and 171 deletions
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doc/openocd.texi
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@@ -8766,6 +8766,12 @@ Selects whether interrupts will be processed when single stepping
configure l2x cache
@end deffn
@deffn Command {cortex_a mmu dump} [@option{0}|@option{1}|@option{addr} address [@option{num_entries}]]
Dump the MMU translation table from TTB0 or TTB1 register, or from physical
memory location @var{address}. When dumping the table from @var{address}, print at most
@var{num_entries} page table entries. @var{num_entries} is optional, if omitted, the maximum
possible (4096) entries are printed.
@end deffn
@subsection ARMv7-R specific commands
@cindex Cortex-R