diff options
| author | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2017-10-12 13:02:29 +0100 |
|---|---|---|
| committer | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2017-11-29 09:36:05 +0000 |
| commit | 380559c1c3ac80c0d2581a931c80323d1fefbfd6 (patch) | |
| tree | eb27f37429a9448416c1a5185d88e1b43fd40adb /docs/user-guide.rst | |
| parent | 3a6a9adc55fb75b730d376e226752227d2c5f7a6 (diff) | |
AMU: Implement support for aarch64
The `ENABLE_AMU` build option can be used to enable the
architecturally defined AMU counters. At present, there is no support
for the auxiliary counter group.
Change-Id: I7ea0c0a00327f463199d1b0a481f01dadb09d312
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
Diffstat (limited to 'docs/user-guide.rst')
| -rw-r--r-- | docs/user-guide.rst | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/docs/user-guide.rst b/docs/user-guide.rst index 1b90f299..79d660d0 100644 --- a/docs/user-guide.rst +++ b/docs/user-guide.rst @@ -322,8 +322,9 @@ Common build options details. - ``ENABLE_AMU``: Boolean option to enable Activity Monitor Unit extensions. - Currently this option only applies for platforms that include a v8.2 processor - with AMU implemented. Default is 0. + This is an optional architectural feature available on v8.4 onwards. Some + v8.2 implementations also implement an AMU and this option can be used to + enable this feature on those systems as well. Default is 0. - ``ENABLE_ASSERTIONS``: This option controls whether or not calls to ``assert()`` are compiled out. For debug builds, this option defaults to 1, and calls to |