From nobody Thu Apr 16 14:23:06 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 4fxKx70B8Sz6ZkKF for ; Thu, 16 Apr 2026 14:23:07 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fxKx62WfQz48b1 for ; Thu, 16 Apr 2026 14:23:06 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776349386; 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=tyFnbJ5yN1CYpNBZu2nI/db2M305oGWJA/ABJFquFoQ=; b=Tvd3GZqD40MnTJhKsj+txDlrLtniG+KGPBa+cQ//U5SMklJSAfRWDjqEgV6JSFc42Si59V ICBjsLq9h34PwPR9505ArShj9vGDyYdaY8YlKvxY+WoTc2YpbBGLMDQvy3P2psTvTZ3Vmv pf/8EIEAwcFADY+1Mqqw/c3mFzV1ZpJuwhLR7DTMNs86xaDdIXzl0NidFXVLmOdPSFK5sb ALTPVu8OiCyO9b46ofR64DBUK3mHFtLIpwTaNNPN9nI3a8cVLS+gaXZnOCVURWGNDNzgPa Gy/UCrx9H4FlXEPHhW0F1zjDROUUP8NF9JNqTZr4rAG4mweuwzb826MJlGqPDA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776349386; a=rsa-sha256; cv=none; b=USB/5hF/EhqBPwO8/clyqvLnwtZlnnLyw4B6o2dXDIvBTZ9MXtOvFCdSr1zkfwVumwCIAQ U6FRZ3EeeeNmvnaK39HXXx5hAma0Sekfm9iFzL6GmuGoynZtA7HENBlLxAC1WkQwXVK2GV Sn2c2dmJma/4hyJm2tqE24W74jIVYlTpIfElS/+V/wMb83gmHvYoeuRUyPQswWU5/d9pYQ taqoI59pABXiymc61MvWjWSgP63apEqYg/1WIYYrt9FMP2Qalo1DkiHo/zLIK479R+aR1/ C0UezhvnaZPG4qHqsenDn+t7iHvRIuSkdRlZNW+Yxc3PdOR98azOTKVZy43enA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776349386; 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=tyFnbJ5yN1CYpNBZu2nI/db2M305oGWJA/ABJFquFoQ=; b=uOw4zEsHvZ9sPeYDZKkIMV9WqeukYkmUXOTP2QFyBGQNQgUaxG3TiBqMt9ZxeRZiHh61vc 7EgBibiOhOClKI5kKLI0WHHAblerSAo7aiHisFl4Bl0ZBEwxN/wbymdlCLIsLjgW5q/GFg UlRKrxxz2bSQ5x6Xo5Oeqi3sIv49PYA0+ttAOBW+xxxsnfeg/XqGHNcC6p7XoTNOHTIisS 2LkWmBfzf1nYKLZjIYs3g9Ke2Hxtaytv1lLuc4a5odXqZ4fpzNWd7pN4efr8YhlQkNq5Th WFtfwnmRtnz4euAAZ1I8xLyJhALAyM2uLwigyZ5i7yp5Dl0+XqEUrnrvP8+h/w== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fxKx627Q9z198m for ; Thu, 16 Apr 2026 14:23:06 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 189dc by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 16 Apr 2026 14:23:06 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Harry Moulton From: Andrew Turner Subject: git: aa2d89cb4263 - main - arm64: mte: add tagged memory attribute 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: aa2d89cb4263f5d638b150efb4a2e6adab4ee9d6 Auto-Submitted: auto-generated Date: Thu, 16 Apr 2026 14:23:06 +0000 Message-Id: <69e0f0ca.189dc.719cb132@gitrepo.freebsd.org> The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=aa2d89cb4263f5d638b150efb4a2e6adab4ee9d6 commit aa2d89cb4263f5d638b150efb4a2e6adab4ee9d6 Author: Harry Moulton AuthorDate: 2026-04-16 13:30:15 +0000 Commit: Andrew Turner CommitDate: 2026-04-16 14:22:24 +0000 arm64: mte: add tagged memory attribute Add the Normal-Tagged memory attribute introduced with MTE. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D55948 --- sys/arm64/arm64/locore.S | 3 ++- sys/arm64/arm64/pmap.c | 3 +++ sys/arm64/include/vm.h | 3 ++- 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/arm64/arm64/locore.S b/sys/arm64/arm64/locore.S index 4c8e0c680321..c86f98da55a8 100644 --- a/sys/arm64/arm64/locore.S +++ b/sys/arm64/arm64/locore.S @@ -1134,7 +1134,8 @@ mair: MAIR_ATTR(MAIR_NORMAL_NC, VM_MEMATTR_UNCACHEABLE) | \ MAIR_ATTR(MAIR_NORMAL_WB, VM_MEMATTR_WRITE_BACK) | \ MAIR_ATTR(MAIR_NORMAL_WT, VM_MEMATTR_WRITE_THROUGH) | \ - MAIR_ATTR(MAIR_DEVICE_nGnRE, VM_MEMATTR_DEVICE_nGnRE) + MAIR_ATTR(MAIR_DEVICE_nGnRE, VM_MEMATTR_DEVICE_nGnRE) | \ + MAIR_ATTR(MAIR_NORMAL_TG, VM_MEMATTR_TAGGED) tcr: #if PAGE_SIZE == PAGE_SIZE_4K #define TCR_TG (TCR_TG1_4K | TCR_TG0_4K) diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c index a23905994846..5017b5f63c4d 100644 --- a/sys/arm64/arm64/pmap.c +++ b/sys/arm64/arm64/pmap.c @@ -10015,6 +10015,9 @@ sysctl_kmaps_dump(struct sbuf *sb, struct pmap_kernel_map_range *range, case ATTR_S1_IDX(VM_MEMATTR_WRITE_THROUGH): mode = "WT"; break; + case ATTR_S1_IDX(VM_MEMATTR_TAGGED): + mode = "TAGGED"; + break; default: printf( "%s: unknown memory type %x for range 0x%016lx-0x%016lx\n", diff --git a/sys/arm64/include/vm.h b/sys/arm64/include/vm.h index e03e615bb841..4d9f2860f654 100644 --- a/sys/arm64/include/vm.h +++ b/sys/arm64/include/vm.h @@ -33,7 +33,8 @@ #define VM_MEMATTR_WRITE_BACK 2 #define VM_MEMATTR_WRITE_THROUGH 3 #define VM_MEMATTR_DEVICE_nGnRE 4 -#define VM_MEMATTR_END (VM_MEMATTR_DEVICE_nGnRE + 1) +#define VM_MEMATTR_TAGGED 5 +#define VM_MEMATTR_END (VM_MEMATTR_TAGGED + 1) #define VM_MEMATTR_DEVICE VM_MEMATTR_DEVICE_nGnRE #define VM_MEMATTR_DEVICE_NP VM_MEMATTR_DEVICE_nGnRnE