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Add AArch64 HWCAPs from Linux 5.0.

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This patch adds new AArch64 HWCAPs from Linux 5.0 to the AArch64
bits/hwcap.h and dl-procinfo.c.

Tested (compilation only) with build-many-glibcs.py for
aarch64-linux-gnu.

	* sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_SB): New
	macro.
	(HWCAP_PACA): Likewise.
	(HWCAP_PACG): Likewise.
	* sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c (_DL_HWCAP_COUNT):
	Increase to 32.
	(_dl_aarch64_cap_flags): Add new entries for new HWCAPs.
This commit is contained in:
Joseph Myers 2019-03-19 14:02:17 +00:00
parent 78919d3886
commit a2e57f89a3
3 changed files with 16 additions and 2 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2019-03-19 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h (HWCAP_SB): New
macro.
(HWCAP_PACA): Likewise.
(HWCAP_PACG): Likewise.
* sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c (_DL_HWCAP_COUNT):
Increase to 32.
(_dl_aarch64_cap_flags): Add new entries for new HWCAPs.
2019-03-16 Samuel Thibault <samuel.thibault@ens-lyon.org>
* hurd/hurd/signal.h (_hurd_critical_section_lock): Document how EINTR

3
sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
View File

@ -51,3 +51,6 @@
#define HWCAP_ILRCPC (1 << 26)
#define HWCAP_FLAGM (1 << 27)
#define HWCAP_SSBS (1 << 28)
#define HWCAP_SB (1 << 29)
#define HWCAP_PACA (1 << 30)
#define HWCAP_PACG (1UL << 31)

5
sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c
View File

@ -57,7 +57,7 @@ PROCINFO_CLASS struct cpu_features _dl_aarch64_cpu_features
#endif
/* Number of HWCAP bits set. */
#define _DL_HWCAP_COUNT 29
#define _DL_HWCAP_COUNT 32
#if !defined PROCINFO_DECL && defined SHARED
._dl_aarch64_cap_flags
@ -69,7 +69,8 @@ PROCINFO_CLASS const char _dl_aarch64_cap_flags[_DL_HWCAP_COUNT][10]
= { "fp", "asimd", "evtstrm", "aes", "pmull", "sha1", "sha2", "crc32",
"atomics", "fphp", "asimdhp", "cpuid", "asimdrdm", "jscvt", "fcma",
"lrcpc", "dcpop", "sha3", "sm3", "sm4", "asimddp", "sha512", "sve",
"asimdfhm", "dit", "uscat", "ilrcpc", "flagm", "ssbs" }
"asimdfhm", "dit", "uscat", "ilrcpc", "flagm", "ssbs", "sb", "paca",
"pacg" }
#endif
#if !defined SHARED || defined PROCINFO_DECL
;