aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2009-08-07 09:29:41 +0000
committerntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2009-08-07 09:29:41 +0000
commit732df6fea0fed36b2f90e0b20f1031e230eccb6f (patch)
treeb27fbb3ee5cb09bc19dda27e739938570f072565
parentad800b1c0224141a6dcebd0b0573417c44a495dd (diff)
downloadriscv-openocd-732df6fea0fed36b2f90e0b20f1031e230eccb6f.zip
riscv-openocd-732df6fea0fed36b2f90e0b20f1031e230eccb6f.tar.gz
riscv-openocd-732df6fea0fed36b2f90e0b20f1031e230eccb6f.tar.bz2
David Brownell <david-b@pacbell.net>:
Better explanation for the TAP "-ircapture" parameter. git-svn-id: svn://svn.berlios.de/openocd/trunk@2577 b42882b7-edfa-0310-969c-e2dbd0fdcd60
-rw-r--r--doc/openocd.texi5
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index 18077cc..7c3b70e 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -2198,7 +2198,10 @@ Every TAP requires at least the following @var{configparams}:
@itemize @bullet
@item @code{-ircapture} @var{NUMBER}
-@*The IDCODE capture command, such as 0x01.
+@*The bit pattern loaded by the TAP into the JTAG shift register
+on entry to the @sc{ircapture} state, such as 0x01.
+JTAG requires the two LSBs of this value to be 01.
+The value is used to verify that instruction scans work correctly.
@item @code{-irlen} @var{NUMBER}
@*The length in bits of the
instruction register, such as 4 or 5 bits.