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Diffstat (limited to 'spec/acfg/if/max-thread-local-storage-size.yml')
| -rw-r--r-- | spec/acfg/if/max-thread-local-storage-size.yml | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/spec/acfg/if/max-thread-local-storage-size.yml b/spec/acfg/if/max-thread-local-storage-size.yml new file mode 100644 index 00000000..dfb979ba --- /dev/null +++ b/spec/acfg/if/max-thread-local-storage-size.yml @@ -0,0 +1,34 @@ +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause +appl-config-option-type: integer +constraints: + max: ${/c/if/size_max:/name} + min: 0 +copyrights: +- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) +default-value: 0 +description: | + If the value of this configuration option is greater than zero, then it + defines the maximum thread-local storage size, otherwise the thread-local + storage size is defined by the linker depending on the thread-local storage + objects used by the application in the statically-linked executable. +enabled-by: true +index-entries: [] +interface-type: appl-config-option +links: +- role: appl-config-group-member + uid: group-classic +name: CONFIGURE_MAXIMUM_THREAD_LOCAL_STORAGE_SIZE +notes: | + This configuration option can be used to reserve space for the dynamic linking + of modules with thread-local storage objects. + + If the thread-local storage size defined by the thread-local storage + objects used by the application in the statically-linked executable is greater + than a non-zero value of this configuration option, then a fatal error will + occur during system initialization. + + Use ${/rtems/basedefs/if/align-up:/name} and + ${/rtems/task/if/storage-alignment:/name} to adjust the size to meet the + minimum alignment requirement of a thread-local storage area. +text: '' +type: interface |