api extensions: cross links between cache API and TA flag
Add cross links between documentation on TA cache maintenance
API description and the TA extended property flag related to
that API.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
diff --git a/architecture/globalplatform_api.rst b/architecture/globalplatform_api.rst
index 9b4d366..a42fbab 100644
--- a/architecture/globalplatform_api.rst
+++ b/architecture/globalplatform_api.rst
@@ -120,6 +120,9 @@
directive prefixed ``CFG_`` allows one to disable support for the extension when
building the OP-TEE packages.
+
+.. _extensions_cache_maintenance:
+
Cache Maintenance Support
=========================
Following functions have been introduced in order to allow Trusted Applications
@@ -132,10 +135,10 @@
TEE_Result TEE_CacheInvalidate(char *buf, size_t len);
These functions are available to any Trusted Application defined with the flag
-``TA_FLAG_CACHE_MAINTENANCE`` sets on. When not set, each function returns the
-error code ``TEE_ERROR_NOT_SUPPORTED``. Within these extensions, a Trusted
-Application is able to operate on the data cache, with the following
-specification:
+``TA_FLAG_CACHE_MAINTENANCE`` sets on, see :ref:`ta_property_cache_maintenance`.
+When not set, each function returns the error code ``TEE_ERROR_NOT_SUPPORTED``.
+Within these extensions, a Trusted Application is able to operate on the data
+cache, with the following specification:
.. list-table::
:widths: 10 60
@@ -163,7 +166,6 @@
``TEE_MEMORY_ACCESS_WRITE`` is not set.
- The memory is **not** user space memory.
-
You may disable this extension by setting the following configuration variable
in ``conf.mk``: