diff options
Diffstat (limited to 'docs/getting_started/build-options.rst')
-rw-r--r-- | docs/getting_started/build-options.rst | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst index 2e608e2..95724e7 100644 --- a/docs/getting_started/build-options.rst +++ b/docs/getting_started/build-options.rst @@ -70,6 +70,23 @@ payload, whose simplistic build system is mostly independent. - ``V``: Verbose build. If assigned anything other than 0, the build commands are printed. Default is 0. +Arm FVP Platform Specific Build Options +--------------------------------------- + +- ``FVP_CLUSTER_COUNT`` : Configures the cluster count to be used to build the + topology tree within TFTF. By default TFTF is configured for dual cluster for + CPUs with single thread (ST) and single cluster for SMT CPUs. + For ST CPUs this option can be used to override the default number of clusters + with a value in the range 1-4. + +- ``FVP_MAX_CPUS_PER_CLUSTER``: Sets the maximum number of CPUs implemented in + a single cluster. This option defaults to the maximum value of 4 for ST CPUs + and maximum value of 8 for SMT CPUs. + +- ``FVP_MAX_PE_PER_CPU``: Sets the maximum number of PEs implemented on any CPU + in the system. This option defaults to 1 to select ST CPUs. For platforms with + SMT CPUs this value must be set to 2. + TFTF-specific Build Options --------------------------- @@ -107,4 +124,4 @@ FWU-specific Build Options -------------- -*Copyright (c) 2019, Arm Limited. All rights reserved.* +*Copyright (c) 2019-2020, Arm Limited. All rights reserved.* |