Author: jhb Date: Fri Sep 22 17:58:57 2017 New Revision: 323934 URL: https://svnweb.freebsd.org/changeset/base/323934
Log: Detect NEON and set HWCAP_NEON if present. Reviewed by: andrew, ian MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D12389 Modified: head/sys/arm/arm/vfp.c head/sys/arm/include/elf.h Modified: head/sys/arm/arm/vfp.c ============================================================================== --- head/sys/arm/arm/vfp.c Fri Sep 22 17:57:38 2017 (r323933) +++ head/sys/arm/arm/vfp.c Fri Sep 22 17:58:57 2017 (r323934) @@ -144,6 +144,11 @@ vfp_init(void) initial_fpscr; } } + + if ((tmp & VMVFR1_LS_MASK) >> VMVFR1_LS_OFF == 1 && + (tmp & VMVFR1_I_MASK) >> VMVFR1_I_OFF == 1 && + (tmp & VMVFR1_SP_MASK) >> VMVFR1_SP_OFF == 1) + elf_hwcap |= HWCAP_NEON; } /* initialize the coprocess 10 and 11 calls Modified: head/sys/arm/include/elf.h ============================================================================== --- head/sys/arm/include/elf.h Fri Sep 22 17:57:38 2017 (r323933) +++ head/sys/arm/include/elf.h Fri Sep 22 17:58:57 2017 (r323934) @@ -117,6 +117,7 @@ __ElfType(Auxinfo); /* Flags passed in AT_HWCAP. */ #define HWCAP_VFP 0x00000040 +#define HWCAP_NEON 0x00001000 #define HWCAP_VFPv3 0x00002000 #define HWCAP_VFPv3D16 0x00004000 #define HWCAP_VFPD32 0x00080000 _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
