From nobody Fri Oct 04 15:31:17 2024 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 4XKsvn3FzVz5XwSQ; Fri, 04 Oct 2024 15:31:17 +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 "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4XKsvn2rTCz3wl7; Fri, 4 Oct 2024 15:31:17 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1728055877; 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=Akh5nCgIYi/F2DIo4prGxOkCE9hzy3wGevIgTqEFphA=; b=uHkGpw4O9FDFzJP7BFBTRwTmhe1uWgD6DxIXwD40NlAKgPlH8EnWBvAohGhdEpWM3FKDkD qtxP0ekk+uD8bpRVCTjgVhKJN+ZTs+1i7Z1fbmMREbhF399zD8dRYxAsKBrbIcgQgnkNZJ 8cRv3gByGbHM7AlIkVXTYY1KPloeRGkvVxwMk61GFczEuN1j7N8SxeIzXWMLsYLry2jqTO HMCBBYWpwEaiS5d8FUsIDxg2/jdJ1UbjEqm+SXHNYoeVQtQdpfCM+KQOzUzgUV+xHYYvM5 EJvo6u/WZ1Cd9SjkAXbB+pWa1+y3xt3Evgl0LYA2iRKL2IqwIu2kPtWo+4nHqg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1728055877; 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=Akh5nCgIYi/F2DIo4prGxOkCE9hzy3wGevIgTqEFphA=; b=MFzKU5X4GLt/1LLOovTksd6lrA2U4F8oHwxpfkXTJuIogGAvPktflAcoLBv1EQKVw+hAG6 g5zhGCCNfKxqtiiCK8R4aRf2Gfi5Nq9TxhpLdSvZlJGsuD5RxUKjGReJJTd4pCO8mx15Ct euNaDJD5xxdJGZq3k7RngQ0wjsXQnarXHcwEPJeTk4jm+WTD74N+gE+zpwO5KOdFrqQj4D YYoBsPkuSEOxH+eZnaONDKluyoG4By1ZEhkuA/SEPW9wGuTU5b/c9aHQHF1gQEA+3HEFSV PAlovV3i9lwLL4gkyTmIRlvJSdZYS6ATqplIv//eFEiZEJkYU2uyoD2kaKqPMQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1728055877; a=rsa-sha256; cv=none; b=iAi9nixT2Gv2FeUopwh11Z8CsZzjNuVw+vfvad/DYEHEFAsvQ+arGPyKHp2teVcTNt1nVF qgcnTmMv+e0EDyyXTgWMuqTQrY0fSzfSd9kpyEEstbr4sftuqLLzaoRmXBi7Hlnvo34LDh UPXQZBR9adhlUQwXjzsy9JnYFcoHDzt8f4N3y8RVUYnG1IvU//lCheZFYlnxCHlhrxnjfU bdxYpIeA8SE1pVExwUsLkYzDAmMEKHp0Gnq+PcMw7Q9HLWS66si7SYUhBMEWWvJm07Yx5O oSnuP5V3vv62b+rd0z2qL2K4N9LWNEA0+ztVNtI8EFk6wzfeUZTmwAxqfIw5ow== 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 4XKsvn2Cv3zfj4; Fri, 4 Oct 2024 15:31:17 +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 494FVH5b008561; Fri, 4 Oct 2024 15:31:17 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 494FVHJ2008558; Fri, 4 Oct 2024 15:31:17 GMT (envelope-from git) Date: Fri, 4 Oct 2024 15:31:17 GMT Message-Id: <202410041531.494FVHJ2008558@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: 48979e8def00 - main - arm64: Support HWCAP2_AFP and HWCAP2_RPRES 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: 48979e8def00b69a07880e7827af7e32d5e377ff Auto-Submitted: auto-generated The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=48979e8def00b69a07880e7827af7e32d5e377ff commit 48979e8def00b69a07880e7827af7e32d5e377ff Author: Andrew Turner AuthorDate: 2024-10-04 13:08:36 +0000 Commit: Andrew Turner CommitDate: 2024-10-04 14:06:29 +0000 arm64: Support HWCAP2_AFP and HWCAP2_RPRES These add alternative behaviour to some floating-point instructions so don't need any kernel support and can just be exposed to userspace. Sponsored by: Arm Ltd --- sys/arm64/arm64/identcpu.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c index 3bf4f9a80c90..0e82381a9ac6 100644 --- a/sys/arm64/arm64/identcpu.c +++ b/sys/arm64/arm64/identcpu.c @@ -942,6 +942,11 @@ static const struct mrs_field_value id_aa64isar2_rpres[] = { MRS_FIELD_VALUE_END, }; +static const struct mrs_field_hwcap id_aa64isar2_rpres_caps[] = { + MRS_HWCAP(2, HWCAP2_RPRES, ID_AA64ISAR2_RPRES_IMPL), + MRS_HWCAP_END +}; + static const struct mrs_field_value id_aa64isar2_wfxt[] = { MRS_FIELD_VALUE_NONE_IMPL(ID_AA64ISAR2, WFxT, NONE, IMPL), MRS_FIELD_VALUE_END, @@ -956,7 +961,8 @@ static const struct mrs_field id_aa64isar2_fields[] = { id_aa64isar2_apa3, id_aa64isar2_apa3_caps), MRS_FIELD_HWCAP(ID_AA64ISAR2, GPA3, false, MRS_EXACT, id_aa64isar2_gpa3, id_aa64isar2_gpa3_caps), - MRS_FIELD(ID_AA64ISAR2, RPRES, false, MRS_EXACT, id_aa64isar2_rpres), + MRS_FIELD_HWCAP(ID_AA64ISAR2, RPRES, false, MRS_LOWER, + id_aa64isar2_rpres, id_aa64isar2_rpres_caps), MRS_FIELD(ID_AA64ISAR2, WFxT, false, MRS_EXACT, id_aa64isar2_wfxt), MRS_FIELD_END, }; @@ -1099,6 +1105,11 @@ static const struct mrs_field_value id_aa64mmfr1_afp[] = { MRS_FIELD_VALUE_END, }; +static const struct mrs_field_hwcap id_aa64mmfr1_afp_caps[] = { + MRS_HWCAP(2, HWCAP2_AFP, ID_AA64MMFR1_AFP_IMPL), + MRS_HWCAP_END +}; + static const struct mrs_field_value id_aa64mmfr1_hcx[] = { MRS_FIELD_VALUE_NONE_IMPL(ID_AA64MMFR1, HCX, NONE, IMPL), MRS_FIELD_VALUE_END, @@ -1165,7 +1176,8 @@ static const struct mrs_field id_aa64mmfr1_fields[] = { MRS_FIELD(ID_AA64MMFR1, CMOVW, false, MRS_EXACT, id_aa64mmfr1_cmovw), MRS_FIELD(ID_AA64MMFR1, TIDCP1, false, MRS_EXACT, id_aa64mmfr1_tidcp1), MRS_FIELD(ID_AA64MMFR1, nTLBPA, false, MRS_EXACT, id_aa64mmfr1_ntlbpa), - MRS_FIELD(ID_AA64MMFR1, AFP, false, MRS_EXACT, id_aa64mmfr1_afp), + MRS_FIELD_HWCAP(ID_AA64MMFR1, AFP, false, MRS_LOWER, id_aa64mmfr1_afp, + id_aa64mmfr1_afp_caps), MRS_FIELD(ID_AA64MMFR1, HCX, false, MRS_EXACT, id_aa64mmfr1_hcx), MRS_FIELD(ID_AA64MMFR1, ETS, false, MRS_EXACT, id_aa64mmfr1_ets), MRS_FIELD(ID_AA64MMFR1, TWED, false, MRS_EXACT, id_aa64mmfr1_twed),