From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 830A830C361 for ; Sat, 4 Apr 2026 12:17:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775305027; cv=none; b=S2Ecqbm6ZXQRfoj6zZzB3Kzs0sc/XOZ4fWBG9yL3SSEQHXPeioAGxAXf7CXUuVMgUhMTRUs8e4GZBvMAuRSc0ea6w71G/nNeEPIunS+gdLZTVEljTfQsg72c3oyU6FpasPBMzpWBPmhaFW1NclzTOScd37fVGoon5o4Mzjlhpgc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775305027; c=relaxed/simple; bh=Q15AliBMt18lNtQOhvXvZvXKIlTmrIQ/KidZzSGNpLk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pzPzxllwgMOWzL+YFX9j1XqL189XlSv4eTFo7OVDIKgKuUwMxiTJzeDbu3vp1hUidbwOPvddrgFpuQV8lgC7wTeKO2lmcB/YhymsIZ3iDbjGrcQBHG36ru48L6UKir8mrqmG4QR4V+OE6OtSVFmi6pGrxeCxZAfemqw94M/QtvY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=coKxweQH; arc=none smtp.client-ip=209.85.216.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="coKxweQH" Received: by mail-pj1-f54.google.com with SMTP id 98e67ed59e1d1-35da9692ec3so2399297a91.1 for ; Sat, 04 Apr 2026 05:17:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775305026; x=1775909826; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=PlujDU3RFaKkdVl6Jrm/784UPIvYVhHJ3sm/SZ244fs=; b=coKxweQHC0opklfaQZp8ZU+QAJciZC0VgAr8NeKpCzg9ea7lD2E8zxtMKyw5U4Ou1P Xstoevl/R681EAceH/0BWDbrTGIPf03op+So6pkCfRIABzFhbolkQ85g9nGpCOhKzgrY BjfaJWuRF0Ce+kAX2kIweG5MJX7rXLda03ccgsLAJwdq+WCWZz716FMx6v6BSYU4Omy0 IcUqkHB2WTTYqpUQJ9tdJZX2oQX7UV4A7s1oXuDNy1ZIbwiQ0dqoEdVT4bnciGUEv1P7 9hvubWqhsmV/cT6G737k1wLbayAbZbiqrbONu73NuZjKJdyxfOAIgjp4QK0hq0Wwc907 OvCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775305026; x=1775909826; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=PlujDU3RFaKkdVl6Jrm/784UPIvYVhHJ3sm/SZ244fs=; b=a2w8k57jjNFbghTLPfrbZX6f87ia24C74a4wOPVyWxKAiqNn3KdCFxpuZpxRIqmzJN JOkub06418JoNmQdcUHqADfhtrbVfyQV4lXg/QXka//6DL6/cGhq+E4PIbkCVl+yZ/xF 6p2zJyTG3ywclQaKPrxKrxx0RN7tqX1DtN4cNKllyRXsThzp6f5Em7HNub9nAmhhIKGw fE1U0Cvo9eg+ZRjJkD+5QVNbIMCVjEjhtsZXiw1D1OobbUJ5noC0jduBf9vOxLcbhBfj pQaSx3ITyPeEScqGShhhQIRZPHC//L5ROklUoErVls0+bSalO1+rKwJ2osNJ3CIttYlp e2ZQ== X-Forwarded-Encrypted: i=1; AJvYcCWsNgXHzW4YkL7WByPgIIE5IdGQGnH8Mr0bQ/NZTG4EGVmNs2y+T2/Ez7gXUZcHCgyeL+YPgDI7xN8NukVryw==@vger.kernel.org X-Gm-Message-State: AOJu0Yw+KUUQsouzVEjoSJSitSXtPo3OlZHYgWmcxrgZNIYKram2xnyn VSSUvQEcqy0EiVTB4zdSX1pNjcKyQhtBYyTejBXG4AdIyBCgFyx+6kc4 X-Gm-Gg: AeBDievUEwByuIr+7XfB+4QGG7MJmYx6UBZLuF4M+RyB2TKsevhNEYDF41YgKw5mHQR ndgde6zPTJzfCiqOJ3l7CFz+04J5mswsG2xHdoaARHpvrxth08n/TxrpHe02wTS4Z9SeDEnbp4m 4Tla55QLoDfJ6ystH3joSEgdfJVVLZcFKjCKNdq4imoGVm6+dN6vMHob0MnP/CzaoknoeE5Ovkh r1lAq0x3Q8MRDQjEy9W2AbB2AYhsifkCNXpo6AawV2bSWB++n7zAUhwQO6Y5MHgJZDC9aQVHcoS s37aLZgsefXAqd+Gzmd1J4hUQep+dpbyhGXNkmGBgQ11els0fWggIfoOi9g9Y7eHeeNQ3Sy4FhG 95R3ZrsgJkKnAPw9UbGLmE9kigltlxCFFgLPgTTRzt9l1hvQkHNayDCGaDqssE+Gw4cx5CK18/l yNidPioy3fCSTeFRKjbd9kodXBbP+3vY14459i+hgLauQFLaE09AdMf/I42meiAALCwCpswewbM Eo= X-Received: by 2002:a17:90b:4fc4:b0:359:f22:8879 with SMTP id 98e67ed59e1d1-35de691c094mr5252459a91.22.1775305025722; Sat, 04 Apr 2026 05:17:05 -0700 (PDT) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com ([106.51.160.44]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35de500c42fsm2702745a91.0.2026.04.04.05.16.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Apr 2026 05:17:05 -0700 (PDT) From: "Mukesh Kumar Chaurasiya (IBM)" To: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org, ardb@kernel.org, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org, nathan@kernel.org, nick.desaulniers+lkml@gmail.com, morbo@google.com, justinstitt@google.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Cc: "Mukesh Kumar Chaurasiya (IBM)" , Link Mauve , Venkat Rao Bagalkote Subject: [PATCH V9 4/4] powerpc: Enable Rust for ppc64le Date: Sat, 4 Apr 2026 17:46:10 +0530 Message-ID: <20260404121610.1956528-5-mkchauras@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260404121610.1956528-1-mkchauras@gmail.com> References: <20260404121610.1956528-1-mkchauras@gmail.com> Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enabling rust support for ppc64le. Tested on pseries Power11: ╰─❯ dmesg | grep rust [ 0.225728] Initialise system trusted keyrings [ 0.270961] rust_minimal: Rust minimal sample (init) [ 0.270968] rust_minimal: Am I built-in? true [ 0.270974] rust_minimal: test_parameter: 1 [ 0.270983] rust_misc_device: Initialising Rust Misc Device Sample [ 0.271012] rust_print: Rust printing macros sample (init) [ 0.271019] rust_print: Emergency message (level 0) without args [ 0.271023] rust_print: Alert message (level 1) without args [ 0.271026] rust_print: Critical message (level 2) without args [ 0.271030] rust_print: Error message (level 3) without args [ 0.271033] rust_print: Warning message (level 4) without args [ 0.271037] rust_print: Notice message (level 5) without args [ 0.271040] rust_print: Info message (level 6) without args [ 0.271043] rust_print: A line that is continued without args [ 0.271054] rust_print: Emergency message (level 0) with args [ 0.271064] rust_print: Alert message (level 1) with args [ 0.271072] rust_print: Critical message (level 2) with args [ 0.271077] rust_print: Error message (level 3) with args [ 0.271083] rust_print: Warning message (level 4) with args [ 0.271091] rust_print: Notice message (level 5) with args [ 0.271097] rust_print: Info message (level 6) with args [ 0.271102] rust_print: A line that is continued with args [ 0.271110] rust_print: 1 [ 0.271113] rust_print: "hello, world" [ 0.271121] rust_print: [samples/rust/rust_print_main.rs:35:5] c = "hello, world" [ 0.271129] rust_print: Arc says 42 [ 0.271130] rust_print: Arc says hello, world [ 0.271136] rust_print: "hello, world" [ 0.271198] usbcore: registered new interface driver rust_driver_usb [ 0.271207] rust_faux_driver: Initialising Rust Faux Device Sample [ 0.271227] faux_driver rust-faux-sample-device: Hello from faux device! [ 0.271297] rust_configfs: Rust configfs sample (init) Reviewed-by: Link Mauve Tested-by: Link Mauve Reviewed-by: Christophe Leroy (CS GROUP) Tested-by: Venkat Rao Bagalkote Link: https://github.com/Rust-for-Linux/linux/issues/105 Link: https://github.com/linuxppc/issues/issues/451 Signed-off-by: Mukesh Kumar Chaurasiya (IBM) --- arch/powerpc/Kconfig | 1 + arch/powerpc/Makefile | 7 ++++++- rust/Makefile | 6 ++++++ 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 1246b3add8ff..a5f50434daf3 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -285,6 +285,7 @@ config PPC select HAVE_RELIABLE_STACKTRACE select HAVE_RSEQ select HAVE_RUST if PPC32 + select HAVE_RUST if PPC64 && CPU_LITTLE_ENDIAN select HAVE_SAMPLE_FTRACE_DIRECT if HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS select HAVE_SAMPLE_FTRACE_DIRECT_MULTI if HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS select HAVE_SETUP_PER_CPU_AREA if PPC64 diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 589613eaa5dc..9385db478c59 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -61,7 +61,12 @@ else KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o endif -KBUILD_RUSTFLAGS += --target=powerpc-unknown-linux-gnu +ifdef CONFIG_PPC64 +KBUILD_RUSTFLAGS += --target=powerpc64le-unknown-linux-gnu +KBUILD_RUSTFLAGS += -Ctarget-feature=-mma,-vsx,-hard-float,-altivec +else +KBUILD_RUSTFLAGS += --target=powerpc-unknown-linux-gnu +endif ifdef CONFIG_CPU_LITTLE_ENDIAN KBUILD_CPPFLAGS += -mlittle-endian diff --git a/rust/Makefile b/rust/Makefile index 04d8a849c6e4..92c1f6fe69e9 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -418,7 +418,13 @@ BINDGEN_TARGET_x86 := x86_64-linux-gnu BINDGEN_TARGET_arm64 := aarch64-linux-gnu BINDGEN_TARGET_arm := arm-linux-gnueabi BINDGEN_TARGET_loongarch := loongarch64-linux-gnusf + +ifdef CONFIG_PPC64 +BINDGEN_TARGET_powerpc := powerpc64le-linux-gnu +else BINDGEN_TARGET_powerpc := powerpc-linux-gnu +endif + BINDGEN_TARGET_um := $(BINDGEN_TARGET_$(SUBARCH)) BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH)) -- 2.53.0