From nobody Tue Jan 13 17:00:49 2026 X-Original-To: dev-commits-src-all@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 4drFr20jvvz6NQXn for ; Tue, 13 Jan 2026 17:00:50 +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 "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4drFr14Y2Cz3cQ9 for ; Tue, 13 Jan 2026 17:00:49 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1768323649; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=/g8shNEOQOyaArHYRlIYzDOOTkw+Fuo70lYr4rbLpQM=; b=M+L845oNEiDrT2d9QLC109MCE/YleY+JQDO1q7v58SNxNQvuU4xfENizyojIfz2m4DeCaf yEWviEwDZLPnTzfqb3d07x/I6lqwtQSDAbaZCK8U0xy+k0Ki6pv7kEybY1Ko3B+7Nro8TZ mNl4nbSHLFK8NQEh7CU9nB0L69K4DX8GajZh6KIx92V0bmBqytA76dPL3OCPbTEXbP+F90 KdTo51NjQsGKe/ddzgY0Xwa2QuhE31sg5sAgMH0VHZJ1NWiY4/P0wnJ6Y6NuJanjbtD1OC 40PUWk+6VPvhU0U9lfCfckinp6l32vqMEtvpBEOPD3bWbl/KBxzgHi9qZBc34A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1768323649; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=/g8shNEOQOyaArHYRlIYzDOOTkw+Fuo70lYr4rbLpQM=; b=yGBxX7L3NtNFMHnqR/R9Hvpi3EmSQPBAWqrdgyjbXdmhfjCD3eFGv8R3oeQ+Vku4fxPjl2 wZoPO4qyI1ZabNNvdSrWTgW8bgUIDU+KC0JIsSPjWUt4+a6Yi05PvmTpQszDTyQkbE5uuJ Nd0SLBwh3D297cjJTQYvGJzy34ZlKRo5ECY0BtizNafEbvzWNbGwBQymdB7xLjuI2cP8gz OvQ9rGL6sbv3Rbb8Aw2w4EWGQxr3I/u6uNvqbqAC9lO67p7YdOnDXK8BmT4nNv6ahMV6Mn jwhgk42+sEYibIocc4gMQ/TWiBNbT83xS073tgNCzgeD9jHfoVqLqf6hHjOwiw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1768323649; a=rsa-sha256; cv=none; b=AQu94HH3svRUIlhRwgiJHF3+3f6NBnQtBoVCnTT3tePkcAZ+VzQXsVVeoZHWTjKcda9qOD vzomFXwbCPJwM64PchwvU94dkoTCYJsQ8wCSBKHYq+ZcOj50+ibE+RNe9RXt1CvTvX9sMS zGGoSBpByZzygL3LrJvD2k2Qca3Lkl7dMLYwm0SbtvN4AUJh3iT9xAL9X+iRWvfrt9FePt 5vrpkPJBdCzAC2u5AHKyxZlcZpaxvX47k0NPpNg7Jw7Gzxr+HWc0YHyxJfTAS10pj1k935 +jxQKYVmgFenxxnKK8a1dU+YRHEQ1GQ7NAl5uICh4V4WvUv8HIrsIfIkwO6P0Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4drFr13v24z5f6 for ; Tue, 13 Jan 2026 17:00:49 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3237f by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 13 Jan 2026 17:00:49 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Sarah Walker From: Andrew Turner Subject: git: 449339bdba24 - main - arm64: Provide ifunc HWCAP structure definitions List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@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: 449339bdba2470eded4d55c41b084cfc8f5ef73a Auto-Submitted: auto-generated Date: Tue, 13 Jan 2026 17:00:49 +0000 Message-Id: <69667a41.3237f.1ad84914@gitrepo.freebsd.org> The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=449339bdba2470eded4d55c41b084cfc8f5ef73a commit 449339bdba2470eded4d55c41b084cfc8f5ef73a Author: Sarah Walker AuthorDate: 2026-01-13 14:19:56 +0000 Commit: Andrew Turner CommitDate: 2026-01-13 15:28:04 +0000 arm64: Provide ifunc HWCAP structure definitions IFUNC structure is based on Section 9.4.1 "GNU C Library IFUNC interface" from "System V ABI for the Arm 64-bit Architecture (AArch64)", 2025Q1. (https://github.com/ARM-software/abi-aa/releases/download/2025Q1/sysvabi64.pdf) Reviewed by: andrew Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D54598 --- sys/arm64/include/ifunc.h | 28 +++++++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) diff --git a/sys/arm64/include/ifunc.h b/sys/arm64/include/ifunc.h index de452ad34c8f..34e783df8fe5 100644 --- a/sys/arm64/include/ifunc.h +++ b/sys/arm64/include/ifunc.h @@ -29,20 +29,38 @@ #ifndef __ARM64_IFUNC_H #define __ARM64_IFUNC_H +struct __ifunc_arg_t +{ + unsigned long _size; /* Size of the struct, so it can grow. */ + unsigned long _hwcap; + unsigned long _hwcap2; + unsigned long _hwcap3; + unsigned long _hwcap4; +}; + +typedef struct __ifunc_arg_t __ifunc_arg_t; + +#define _IFUNC_ARG_HWCAP (1ULL << 62) + #define DEFINE_IFUNC(qual, ret_type, name, args) \ static ret_type (*name##_resolver(void))args __used; \ qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ static ret_type (*name##_resolver(void))args #define DEFINE_UIFUNC(qual, ret_type, name, args) \ - static ret_type (*name##_resolver(uint64_t, uint64_t, \ + static ret_type (*name##_resolver(uint64_t, \ + const struct __ifunc_arg_t *ifunc_arg, \ uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, \ uint64_t))args __used; \ qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \ - static ret_type (*name##_resolver(uint64_t _arg1 __unused, \ - uint64_t _arg2 __unused, uint64_t _arg3 __unused, \ - uint64_t _arg4 __unused, uint64_t _arg5 __unused, \ - uint64_t _arg6 __unused, uint64_t _arg7 __unused, \ + static ret_type (*name##_resolver( \ + uint64_t at_hwcap __unused, \ + const struct __ifunc_arg_t *ifunc_arg __unused, \ + uint64_t _arg3 __unused, \ + uint64_t _arg4 __unused, \ + uint64_t _arg5 __unused, \ + uint64_t _arg6 __unused, \ + uint64_t _arg7 __unused, \ uint64_t _arg8 __unused))args #endif