Mention that RISC-V supports semihosting.
Update the link to ARM's semihosting documentation
Update SPDX identifier to current format.
Signed-off-by: Heinrich Schuchardt <heinrich.schucha...@canonical.com>
---
v2:
correct the link to ARM's semihosting documentation
---
doc/usage/semihosting.rst | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/doc/usage/semihosting.rst b/doc/usage/semihosting.rst
index 9303a6364d5..dfd6c58222a 100644
--- a/doc/usage/semihosting.rst
+++ b/doc/usage/semihosting.rst
@@ -1,14 +1,17 @@
-.. SPDX-License-Identifier: GPL-2.0+
+.. SPDX-License-Identifier: GPL-2.0-or-later
.. Copyright 2014 Broadcom Corporation.
Semihosting
===========
-Semihosting is ARM's way of having a real or virtual target communicate
-with a host or host debugger for basic operations such as file I/O,
-console I/O, etc. Please see `Arm's semihosting documentation
-<https://developer.arm.com/documentation/100863/latest/>`_ for more
-information.
+Semihosting is a technique to let a real or virtual target communicate with a
+host or host debugger for basic operations such as file I/O, console I/O, etc.
+Originally introduced by ARM it has also been adopted for RISC-V. Please, see
+`Arm's semihosting documentation
+<https://developer.arm.com/documentation/dui0471/g/Semihosting>`_ and
+`RISC-V Semihosting
+<https://drive.google.com/file/d/1qu74D4_EmjGmc03qzfQ7Pf4g6m0fOtcD/view>`_
+for more information.
Platform Support
----------------
@@ -40,7 +43,7 @@ Foundation and Base fastmodel simulators.
QEMU
^^^^
-Another ARM emulator which supports semihosting is `QEMU
+Another emulator which supports semihosting is `QEMU
<https://www.qemu.org/>`_. To enable semihosting, enable
``CONFIG_SERIAL_PROBE_ALL`` when configuring U-Boot, and use
``-semihosting`` when invoking QEMU. Adding ``-nographic`` can also be
@@ -53,8 +56,8 @@ running QEMU, refer to the :doc:`board documentation
OpenOCD
^^^^^^^
-Any ARM platform can use semihosting with an attached debugger. One such
-debugger with good support for a variety of boards and JTAG adapters is
+Any ARM or RISC-V platform can use semihosting with an attached debugger. One
+such debugger with good support for a variety of boards and JTAG adapters is
`OpenOCD <https://openocd.org/>`_. Semihosting is not enabled by default,
so you will need to enable it::
--
2.48.1
