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authorDolu1990 <charles.papon.90@gmail.com>2022-04-20 19:16:47 +0200
committerGitHub <noreply@github.com>2022-04-20 10:16:47 -0700
commit9d737af35126c3a857e1c6a3356ab3879e92b6eb (patch)
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parent31812cd13f35ab28011615cce1aac7298dfe35c7 (diff)
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riscv: Add a option to specify the JTAG TAP tunnel IR (#690)
* riscv: Add a option to specify the JTAG TAP IR used to access the bscan tunnel. Change-Id: Ice8798823313e2177e75473e62b06e7da74bbba2 Signed-off-by: Charles Papon <charles.papon.90@gmail.com> * risc-v: Add litex doc about the set_bscan_tunnel_ir command Change-Id: I1237213f32886d20fc7d60d5ca1e2124953eaeda Signed-off-by: Dolu1990 <charles.papon.90@gmail.com> * risc-v: remove tunnel ir length assert when ir is set by the user Change-Id: I2b33fc6205f37461ff1bd15601b460a2467ea32b Signed-off-by: Dolu1990 <charles.papon.90@gmail.com> * Open riscv: Add a option to specify the JTAG TAP tunnel IR Typo Co-authored-by: Tim Newsome <tim@sifive.com> * riscv: Add a option to specify the JTAG TAP tunnel IR typo Co-authored-by: Tim Newsome <tim@sifive.com> Co-authored-by: Tim Newsome <tim@sifive.com>
Diffstat (limited to 'doc')
-rw-r--r--doc/openocd.texi5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi
index a4fa684..1870287 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -10624,6 +10624,11 @@ tunneled DR scan consists of:
@end deffn
+@deffn {Command} {riscv set_bscan_tunnel_ir} value
+Allows the use_bscan_tunnel feature to target non Xilinx device by
+specifying the JTAG TAP IR used to access the bscan tunnel.
+@end deffn
+
@deffn {Command} {riscv set_maskisr} [@option{off}|@option{steponly}]
Selects whether interrupts will be disabled when single stepping. The default configuration is @option{off}.
This feature is only useful on hardware that always steps into interrupts and doesn't support dcsr.stepie=0.