From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f173.google.com (mail-pg1-f173.google.com [209.85.215.173]) (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 08B35403150 for ; Wed, 8 Jul 2026 08:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783499204; cv=none; b=mZlqS3Q8fymdm5lub9bzeVtW1u9x2KvfN+/ylccBHtER1LgvnbXOFmqfMqqoz2a9LyRkZ2Ms1lE10pmpWHHiDtWPclLVsZRqLuE73gEQv4anI4BJOLiaq2pOnNsvyHC0DVvTg6OCMvXr8IGsQW6WhdStKCeMUvVXQI57x2mvyJw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783499204; c=relaxed/simple; bh=uMmA27PKZBuFU8atDbfUEF7pZEJKPZBZu66v/vfinpk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=JdNFuel3I8FIcA57OWcAnhR/UtYkgwBIy3BC6Lw3G6KShGYXIRfI/ERye7g26UqLyH4taKLsBGWKE9srMYDRJn3rJn6rf3m5DNlyy+WpI3gb1xC3wxHUwckoEICnz30t/msW3M+5twKVFLnyCx9kyVFFR5oxWCoOt5hIKOPb2QU= 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=cQSxEXNr; arc=none smtp.client-ip=209.85.215.173 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="cQSxEXNr" Received: by mail-pg1-f173.google.com with SMTP id 41be03b00d2f7-c981c2c37cbso268673a12.0 for ; Wed, 08 Jul 2026 01:26:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783499202; x=1784104002; darn=lists.linux.dev; h=content-transfer-encoding:content-type:mime-version:references :in-reply-to:message-id:date:subject:cc:to:from:from:to:cc:subject :date:message-id:reply-to:content-type; bh=7Uzn/NdDPosTQtig+uiLwEMPj/JQxR6heV7Be4pIXTc=; b=cQSxEXNrz6GxU+ogriMUDOj66JL1P0zD3aR/AAsh28Wj5xuWtiOM+tBrtTpKJ9kJRy K76OHHubGdOu4ROSAto1BVLkP4AV+pXI5OEEg4pn2QP0eqr1Jz6+tm6EkYyqaxvATfUv CEgzisnAJe18E1SnnbRxRzBvKCMai4NIPYIYm4dGUz0gp4mq4GVn7C0uy45ilVRlp8S2 k76mo4Xt4Pu0z2BTVv3H6++d3oH+VHnFawlcf0K6xLqrU1ksF2isNWY6PjzlZI44yXPc fg4L7re2CV+K5LO2InWjzRVJ5VXgW4lxW8mS4sPB+jG9m6s2mxvba11387poYHaUHdeI osig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783499202; x=1784104002; h=content-transfer-encoding:content-type: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 :content-type; bh=7Uzn/NdDPosTQtig+uiLwEMPj/JQxR6heV7Be4pIXTc=; b=eLMH+IZkcVeXTy3bKlkhyV1yeFPWLHMLMk3p5QAYotS9zSUw+XAiDg1mqiFnpsk0uM a2yIou6IDL1xHSGx3H+Aez2ay/Q+W19t0qMSjLqGWvVaI1DOiAK2rU+vi3NzOe4rJzDI cCYbn0+G1gp35i+ll2bUOIZ5olAziA9BVux3G/pLLRL/tQKLTw1lnt9NMcjUF9GlHdLv VzE3bXp4XiEHOBywIozcJitlhfzXF3AqRsKM0xLnOgnSSRzA+US2xvEqlMG8tvPRvT3r 36mMT7ZUNKyepQjJA/kNDVIJrH/tTnuIlcRsC0vRDWILVKSLlM6Phi7AHzsV7J+xA69f Ptow== X-Forwarded-Encrypted: i=1; AHgh+RqvUZC2DAFvUJR6ZiooyyFTVrn6OfNT8loPxpfxC2JJf66G+ulwEwH0td5PQSAHyXE5GTgi@lists.linux.dev X-Gm-Message-State: AOJu0YxG3Ljp/eRN/ewCXYVAwUPDhaxDZyy9DEBQTJlul8HoGV+Yd5rf zBUhK97LNc3MJ+Dz5vkLrHMnkODOESUe45kt3/hXm/VcNBT/L+fhXVyu X-Gm-Gg: AfdE7cmb/7cRTA4QqUUyKz+6ABfQ4t2PWFPyUnP0hui7gZhEvOhSTZSmS5KPiCUi+qv 5udYcMAFXF/V+y6i8lFPwivqEZb1EICglPQM8lFR4NQScGzGJSIA9AJCh+RIdahqxMQgZus7qkL VB78mjMAcwjbyKHcgyHz7ItBovG1gH2KQ/7dqDD/K6BF6DFwNU0Rpx0HC9AKdpNjG6n+1LcxpLj EskVkJuZrAG8AVmiEjbnZxtltpBIgybU6rEymJtqgWy7ZN3RD7DIMegdqB7L19oNu21Dv9k3s4S i72azRwy2ZK+garlSnUBUMWwiTXazYzwKyXIGYsqcs0yg+0O0qwEyjdAlnZ1KgQdrFUW69w8ZWa Tj5CAcBuBlEa5Y+7Qyb3HS4P7/dQb6ZF4ApUlM5M6mIi+NMxJgkMKZvefQTABBL4OxOgRMrUw2N u0lU89lwWD/OV6ND6K4B00Wz0xDaqHCNAvxcdBNeHjkfSPLfu8LsZy7gZXz6W5tZ2K82Qc0lpJT Nlx X-Received: by 2002:a05:6a20:7288:b0:3bf:a1e5:ff62 with SMTP id adf61e73a8af0-3c0bd0fa2e2mr1854023637.47.1783499199822; Wed, 08 Jul 2026 01:26:39 -0700 (PDT) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com ([106.51.160.236]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3117462f5c7sm19975117eec.0.2026.07.08.01.26.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 01:26:39 -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, daniel.almeida@collabora.com, tamird@kernel.org, acourbot@nvidia.com, work@onurozkan.dev, nathan@kernel.org, ndesaulniers@google.com, morbo@google.com, justinstitt@google.com, fujita.tomonori@gmail.com, joelagnelf@nvidia.com, gregkh@linuxfoundation.org, prafulrai522@gmail.com, nsc@kernel.org, japo@linux.ibm.com, mkchauras@gmail.com, lina+kernel@asahilina.net, j@jannau.net, airlied@gmail.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, llvm@lists.linux.dev Cc: Link Mauve , Venkat Rao Bagalkote Subject: [PATCH V17 7/7] powerpc: Enable Rust for ppc64le Date: Wed, 8 Jul 2026 13:54:54 +0530 Message-ID: <20260708082454.1254320-8-mkchauras@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260708082454.1254320-1-mkchauras@gmail.com> References: <20260708082454.1254320-1-mkchauras@gmail.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev 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 Acked-by: Gary Guo Link: https://github.com/rust-lang/compiler-team/issues/987 Link: https://github.com/rust-lang/compiler-team/issues/988 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 badd7c99b87f..650283107b92 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -286,6 +286,7 @@ 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 61e7dc496fe4..d2f74998d3c1 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -459,7 +459,13 @@ BINDGEN_TARGET_loongarch := loongarch64-linux-gnusf BINDGEN_TARGET_s390 := s390x-linux-gnu # This is only for i386 UM builds, which need the 32-bit target not -m32 BINDGEN_TARGET_i386 := i386-linux-gnu + +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)) -- 2.55.0