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-rw-r--r--doc/openocd.texi4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index 285603a9..84bdb3c4 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -6030,6 +6030,10 @@ and ARM9 commands.
@deffn Command {arm966e cp15} regnum [value]
Display cp15 register @var{regnum};
else if a @var{value} is provided, that value is written to that register.
+The six bit @var{regnum} values are bits 37..32 from table 7-2 of the
+ARM966E-S TRM.
+There is no current control over bits 31..30 from that table,
+as required for BIST support.
@end deffn
@subsection XScale specific commands