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Document cache information sysconf variables

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Write short descriptions for each of the cache information sysconf
variables.

	* manual/conf.texi (_SC_LEVEL1_ICACHE_SIZE,
	_SC_LEVEL1_ICACHE_ASSOC, _SC_LEVEL1_ICACHE_LINESIZE,
	_SC_LEVEL1_DCACHE_SIZE, _SC_LEVEL1_DCACHE_ASSOC,
	_SC_LEVEL1_DCACHE_LINESIZE, _SC_LEVEL2_CACHE_SIZE,
	_SC_LEVEL2_CACHE_ASSOC, _SC_LEVEL2_CACHE_LINESIZE,
	_SC_LEVEL3_CACHE_SIZE, _SC_LEVEL3_CACHE_ASSOC,
	_SC_LEVEL3_CACHE_LINESIZE, _SC_LEVEL4_CACHE_SIZE,
	_SC_LEVEL4_CACHE_ASSOC, _SC_LEVEL4_CACHE_LINESIZE): New
	variables.

Reviewed-by: Rical Jasan <ricaljasan@pacific.net>
This commit is contained in:
Siddhesh Poyarekar 2017-10-23 20:19:34 +05:30
parent be080b6c14
commit db9bab09a5
2 changed files with 73 additions and 0 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2017-10-23 Siddhesh Poyarekar <siddhesh@sourceware.org>
* manual/conf.texi (_SC_LEVEL1_ICACHE_SIZE,
_SC_LEVEL1_ICACHE_ASSOC, _SC_LEVEL1_ICACHE_LINESIZE,
_SC_LEVEL1_DCACHE_SIZE, _SC_LEVEL1_DCACHE_ASSOC,
_SC_LEVEL1_DCACHE_LINESIZE, _SC_LEVEL2_CACHE_SIZE,
_SC_LEVEL2_CACHE_ASSOC, _SC_LEVEL2_CACHE_LINESIZE,
_SC_LEVEL3_CACHE_SIZE, _SC_LEVEL3_CACHE_ASSOC,
_SC_LEVEL3_CACHE_LINESIZE, _SC_LEVEL4_CACHE_SIZE,
_SC_LEVEL4_CACHE_ASSOC, _SC_LEVEL4_CACHE_LINESIZE): New
variables.
2017-10-23 Michael Collison <michael.collison@arm.com>
* sysdeps/aarch64/fpu/e_sqrt.c (ieee754_sqrt): Replace asm statements

61
manual/conf.texi
View file

@ -678,6 +678,67 @@ Inquire about the number of available physical pages in the system.
Inquire about the number of functions which can be registered as termination
functions for @code{atexit}; @pxref{Cleanups on Exit}.
@item _SC_LEVEL1_ICACHE_SIZE
@standards{GNU, unistd.h}
Inquire about the size of the Level 1 instruction cache.
@item _SC_LEVEL1_ICACHE_ASSOC
@standards{GNU, unistd.h}
Inquire about the associativity of the Level 1 instruction cache.
@item _SC_LEVEL1_ICACHE_LINESIZE
@standards{GNU, unistd.h}
Inquire about the line length of the Level 1 instruction cache.
@item _SC_LEVEL1_DCACHE_SIZE
@standards{GNU, unistd.h}
Inquire about the size of the Level 1 data cache.
@item _SC_LEVEL1_DCACHE_ASSOC
@standards{GNU, unistd.h}
Inquire about the associativity of the Level 1 data cache.
@item _SC_LEVEL1_DCACHE_LINESIZE
@standards{GNU, unistd.h}
Inquire about the line length of the Level 1 data cache.
@item _SC_LEVEL2_CACHE_SIZE
@standards{GNU, unistd.h}
Inquire about the size of the Level 2 cache.
@item _SC_LEVEL2_CACHE_ASSOC
@standards{GNU, unistd.h}
Inquire about the associativity of the Level 2 cache.
@item _SC_LEVEL2_CACHE_LINESIZE
@standards{GNU, unistd.h}
Inquire about the line length of the Level 2 cache.
@item _SC_LEVEL3_CACHE_SIZE
@standards{GNU, unistd.h}
Inquire about the size of the Level 3 cache.
@item _SC_LEVEL3_CACHE_ASSOC
@standards{GNU, unistd.h}
Inquire about the associativity of the Level 3 cache.
@item _SC_LEVEL3_CACHE_LINESIZE
@standards{GNU, unistd.h}
Inquire about the line length of the Level 3 cache.
@item _SC_LEVEL4_CACHE_SIZE
@standards{GNU, unistd.h}
Inquire about the size of the Level 4 cache.
@item _SC_LEVEL4_CACHE_ASSOC
@standards{GNU, unistd.h}
Inquire about the associativity of the Level 4 cache.
@item _SC_LEVEL4_CACHE_LINESIZE
@standards{GNU, unistd.h}
Inquire about the line length of the Level 4 cache.
@item _SC_XOPEN_VERSION
@standards{X/Open, unistd.h}
Inquire about the parameter corresponding to @code{_XOPEN_VERSION}.