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Date:      Fri, 22 Sep 2023 17:16:51 GMT
From:      Andrew Turner <andrew@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: d61f9bfb0e5c - main - arm64: Export HWCAP_CPUID
Message-ID:  <202309221716.38MHGpMU081134@gitrepo.freebsd.org>

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The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=d61f9bfb0e5c119c97a559f187b1e9c73077307b

commit d61f9bfb0e5c119c97a559f187b1e9c73077307b
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2023-09-22 16:20:17 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2023-09-22 17:15:14 +0000

    arm64: Export HWCAP_CPUID
    
    We have export the CPUID registers since 2018 but never set the
    HWCAP_CPUID flag to tell userspace it could use them. Fix this by
    setting it.
    
    Sponsored by:   Arm Ltd
---
 sys/arm64/arm64/identcpu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c
index e84ac338497b..5d23e1495dea 100644
--- a/sys/arm64/arm64/identcpu.c
+++ b/sys/arm64/arm64/identcpu.c
@@ -2203,6 +2203,8 @@ identify_cpu_sysinit(void *dummy __unused)
 
 	/* Find the values to export to userspace as AT_HWCAP and AT_HWCAP2 */
 	parse_cpu_features();
+	/* We export the CPUID registers */
+	elf_hwcap |= HWCAP_CPUID;
 
 #ifdef COMPAT_FREEBSD32
 	/* Set the default caps and any that need to check multiple fields */



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