From nobody Wed Jun 25 09:25:37 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4bRxJ24kwsz5ynGJ; Wed, 25 Jun 2025 09:25:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4bRxJ22xCNz3Mrx; Wed, 25 Jun 2025 09:25:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1750843538; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=137bmARJN82JxK9eYHchwg7jY+kBl0Rogg81CcUTbmo=; b=wceymGYVa4+tz2YcCuqhnbizWPeNLyxIy7jktyEcjM1kioskwdwCdPl9KFVe1JVazUBvmN 1D8hlM2tfUoWjnkzsKDdNEb40TLCafA8kNSOxaqkR+xdaNbMl6FkZoNC+MvK0F8sMASIDZ 48+f1TOQKAIgUWos1YQK78gGTj2gFSMOgAdpYWe7q4bCTTwehnck/3MG9iIOC8jmKZ2PmV AWpHQmKl5cHsDqatseP3auVgFqS8zsIv5DKipYEILWINMcgNaQnWMCmGcVh2K+gz+CCsYe 7gV/k7/OHDbSbrbr4gFiQsK2UEMpDaA1Bbc0AvRyfx2VouFzJfNh8oP4n4SRIQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1750843538; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=137bmARJN82JxK9eYHchwg7jY+kBl0Rogg81CcUTbmo=; b=SYXK6iu03Br8L8TaO7j5YVzEX0WANM34UZLVQh0VX6BfUo+8FnNzVGW2knJE8d6g04bpHC vQ1gDOrFcnVjNLJMdijFI/BVHz9MYXClJbbQTDuMcU4DvhfnCnxgvwxo01sxZANofS/0Jv RoUgX5XG2JVGAGPpCS1PutI1dzxEg8nFoXbTgTUFZfB4vpHwRxfBIOQiUB3+9nsv+dYzvL 1eaAoFIZkt2JXhmaHH/BQ77KKzXVgOqp9SFPbaHa1MTnXgAR79mlxewzHe+2mm4U7JEuy/ KAV46wHeSb/LCNgVg2ULP2ouEQBp5m69K5Ioyn4Gk7ebTS+uwQjX5rzc8oMm4w== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1750843538; a=rsa-sha256; cv=none; b=NffpGzFgjk8UVNDB7gt9AO3W5tu+l4TWEpc3pcaR6bNwncSqy1jfdiosJtHWdIb62a9g7N ZF3+jsEZZBveT4dpU1ZhMjZLxljYv0rij9agOBjQrLhyZXUpgasumhmjVxbzH87bf4cPhA cPvYaD90iiwXHjd+mW0+LdpXtnwnQycj2r/+0aqitw5KbPlTctRyoCoaPA9AmPB3JgJ0/D bJ0Uus7rLgcmy2Pml2muRQagdPpS/LqFOFjfhNfPzzaYqntLKtiHaHkONnfxKCv0WzMVpY w+MPE0bLn2GzjdtIcqjkAKFrwS3W6OMgm2VpqqCYI32/2mlr9JB9yhi6ZhG6mw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4bRxJ20LZdz1QN5; Wed, 25 Jun 2025 09:25:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 55P9PbCH077182; Wed, 25 Jun 2025 09:25:37 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 55P9PbXe077179; Wed, 25 Jun 2025 09:25:37 GMT (envelope-from git) Date: Wed, 25 Jun 2025 09:25:37 GMT Message-Id: <202506250925.55P9PbXe077179@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Andrew Turner Subject: git: fa1c23da01e0 - main - libsys: Add AT_HWCAP3 and AT_HWCAP4 List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: andrew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: fa1c23da01e07f308aa30d3cf3625d014c55ba94 Auto-Submitted: auto-generated The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=fa1c23da01e07f308aa30d3cf3625d014c55ba94 commit fa1c23da01e07f308aa30d3cf3625d014c55ba94 Author: Andrew Turner AuthorDate: 2025-06-24 14:56:54 +0000 Commit: Andrew Turner CommitDate: 2025-06-24 16:26:40 +0000 libsys: Add AT_HWCAP3 and AT_HWCAP4 This is needed to read these values. Reviewed by: brooks, imp, kib Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D51006 --- lib/libsys/auxv.3 | 8 +++++++- lib/libsys/auxv.c | 28 ++++++++++++++++++++++++++-- 2 files changed, 33 insertions(+), 3 deletions(-) diff --git a/lib/libsys/auxv.3 b/lib/libsys/auxv.3 index 10ec10e8755c..b3b741937ac7 100644 --- a/lib/libsys/auxv.3 +++ b/lib/libsys/auxv.3 @@ -22,7 +22,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd September 16, 2022 +.Dd June 24, 2025 .Dt ELF_AUX_INFO 3 .Os .Sh NAME @@ -59,6 +59,12 @@ CPU / hardware feature flags .It AT_HWCAP2 CPU / hardware feature flags .Dv (sizeof(u_long)). +.It AT_HWCAP3 +CPU / hardware feature flags +.Dv (sizeof(u_long)). +.It AT_HWCAP4 +CPU / hardware feature flags +.Dv (sizeof(u_long)). .It AT_NCPUS Number of CPUs .Dv (sizeof(int)). diff --git a/lib/libsys/auxv.c b/lib/libsys/auxv.c index 1a4fd352950e..80702c66ba22 100644 --- a/lib/libsys/auxv.c +++ b/lib/libsys/auxv.c @@ -69,10 +69,10 @@ __init_elf_aux_vector(void) static int aux_once; static int pagesize, osreldate, canary_len, ncpus, pagesizes_len, bsdflags; -static int hwcap_present, hwcap2_present; +static int hwcap_present, hwcap2_present, hwcap3_present, hwcap4_present; static char *canary, *pagesizes, *execpath; static void *ps_strings, *timekeep; -static u_long hwcap, hwcap2; +static u_long hwcap, hwcap2, hwcap3, hwcap4; static void *fxrng_seed_version; static u_long usrstackbase, usrstacklim; @@ -123,6 +123,16 @@ init_aux(void) hwcap2 = (u_long)(aux->a_un.a_val); break; + case AT_HWCAP3: + hwcap3_present = 1; + hwcap3 = (u_long)(aux->a_un.a_val); + break; + + case AT_HWCAP4: + hwcap4_present = 1; + hwcap4 = (u_long)(aux->a_un.a_val); + break; + case AT_PAGESIZES: pagesizes = (char *)(aux->a_un.a_ptr); break; @@ -318,6 +328,20 @@ _elf_aux_info(int aux, void *buf, int buflen) } else res = ENOENT; break; + case AT_HWCAP3: + if (hwcap3_present && buflen == sizeof(u_long)) { + *(u_long *)buf = hwcap3; + res = 0; + } else + res = ENOENT; + break; + case AT_HWCAP4: + if (hwcap4_present && buflen == sizeof(u_long)) { + *(u_long *)buf = hwcap4; + res = 0; + } else + res = ENOENT; + break; case AT_PAGESIZES: if (pagesizes != NULL && pagesizes_len >= buflen) { memcpy(buf, pagesizes, buflen);