diff options
| author | Mark Dykes <mardyk01@review.trustedfirmware.org> | 2020-08-11 15:30:13 +0000 |
|---|---|---|
| committer | TrustedFirmware Code Review <review@review.trustedfirmware.org> | 2020-08-11 15:30:13 +0000 |
| commit | b3385aa08ec68d2c80f9b6c35f0cc4102fa14d36 (patch) | |
| tree | d77c75d7997b3b77cebd84e6b4fbe8704895b592 /docs | |
| parent | c6213c7e265e5905f8941a133db40b2c39f4b0a6 (diff) | |
| parent | f3ccf036ecb1ae16287817833ebb07a26dcc0230 (diff) | |
| download | platform_external_arm-trusted-firmware-b3385aa08ec68d2c80f9b6c35f0cc4102fa14d36.tar.gz platform_external_arm-trusted-firmware-b3385aa08ec68d2c80f9b6c35f0cc4102fa14d36.tar.bz2 platform_external_arm-trusted-firmware-b3385aa08ec68d2c80f9b6c35f0cc4102fa14d36.zip | |
Merge "TF-A AMU extension: fix detection of group 1 counters." into integration
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/getting_started/porting-guide.rst | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/docs/getting_started/porting-guide.rst b/docs/getting_started/porting-guide.rst index 6b8bbc634..f3316164b 100644 --- a/docs/getting_started/porting-guide.rst +++ b/docs/getting_started/porting-guide.rst @@ -562,21 +562,14 @@ behaviour of the ``assert()`` function (for example, to save memory). doesn't print anything to the console. If ``PLAT_LOG_LEVEL_ASSERT`` isn't defined, it defaults to ``LOG_LEVEL``. -If the platform port uses the Activity Monitor Unit, the following constants +If the platform port uses the Activity Monitor Unit, the following constant may be defined: - **PLAT_AMU_GROUP1_COUNTERS_MASK** This mask reflects the set of group counters that should be enabled. The maximum number of group 1 counters supported by AMUv1 is 16 so the mask can be at most 0xffff. If the platform does not define this mask, no group 1 - counters are enabled. If the platform defines this mask, the following - constant needs to also be defined. - -- **PLAT_AMU_GROUP1_NR_COUNTERS** - This value is used to allocate an array to save and restore the counters - specified by ``PLAT_AMU_GROUP1_COUNTERS_MASK`` on CPU suspend. - This value should be equal to the highest bit position set in the - mask, plus 1. The maximum number of group 1 counters in AMUv1 is 16. + counters are enabled. File : plat_macros.S [mandatory] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |