cf99fb40c9
Squashed commit of the following:
libs/libxx: Fix some confusing in naming. If the directory is called libxx, then the library must be libxx.a (unless perhaps LIBCXX is selected).
libs/: Fix paths in moved library directories.
libs: Brute force move of libc, libnx, and libxx to libs. Cannot yet build it in that configuration.
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config ARCH_HAVE_TLS
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bool
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default n
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---help---
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Selected by the configuration system if the current architecture
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supports TLS.
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menu "Thread Local Storage (TLS)"
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depends on ARCH_HAVE_TLS
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config TLS
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bool "Thread Local Storage (TLS)"
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default n
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---help---
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Build in support for stack based thread local storage (TLS).
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if TLS
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config TLS_LOG2_MAXSTACK
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int "Maximum stack size (log2)"
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default 13
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range 11 24
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---help---
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Stack based TLS works by fetch thread information from the beginning
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of the stack memory allocation. In order to do this, the memory
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must be aligned in such a way that the executing logic can simply
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masking the current stack pointer to get the beginning of the stack
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allocation.
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This setting specifies the alignment of the stack as a power of 2:
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11=2KB, 12=4KB, 13=8KB, etc. The exact alignment is not so critical
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except that (1) a very large value can cause you to run out of
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alignable memory (and fail memory allocations), and (2) smaller
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values will limit the maximum size of the stack (hence the naming
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of this configuration value).
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config TLS_NELEM
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int "Number of TLS elements"
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default 1
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---help---
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The number of unique TLS elements. These can be accessed with
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the user library functions tls_get_element() and tls_set_element().
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endif # TLS
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endmenu # Thread Local Storage (TLS)
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