From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B8A2EA3F16 for ; Tue, 10 Feb 2026 07:32:06 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4f9Ctr4pd6z30FP; Tue, 10 Feb 2026 18:32:04 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2607:f8b0:4864:20::430" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1770708724; cv=none; b=Td6lrvHZDFItPZIrYC1DgZtXI2FAmFRjDWLxcXpcus1QCKVR3cl2g2sM55TAbC919I68AArP03zue7BdBQlc4sleACUy6XpgRWbc10JqakdSREJMZDr59BdJIozG5ALu5XDHUGaHedDFHe+aYo9Eg5tGK+Orl19esWfnb14gqllq+UKRU+SFHDSRBSp9ATnMIQ6K7SFE6flyf4jjZXNKOLszPc63WMhqdJA02QGAwrdIp6K/xDiq4AWdai/2fXp1N7KO22VE6kcEUusVKSorzHyIwcYYS00GGi3mVnsfZIf0TuX26atclXHP3ocXviJlPi034Gw1XNIoj+0kesST3Q== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1770708724; c=relaxed/relaxed; bh=+ELct8JbGFslmyeZtvX1PbcqdzEj+R+mb18t5qqOGr8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I8oIp4aNecN3xelZg09wdXLgCD8dsTJmU99ltSBueve6byH+SIDjumVi/Ml2FS91Cz43WuWuuSmYon3NPf/WflX1R9+owT41xS/CuP6wDd8pfXgtXG63rzxNG6GHZqTyDNrHtuBfP/Nfkn9OlNTtieILvCsbTx7vdTg5cxhk5hGddzOzkitPxm+DHzm4ogyMl7gX58Fb9jbFoHu08I7S85L6H9hO1i2ucJ2ac9UcyidaatXKJa+bD8gbTyIhSmayBfnqAipS1hDA8BqfHqxJMI0wAaRLNT+XSeMCF2Gj6GsLIEFUictXO9Z4RZPo2yBr4m+dMDDqodvytyVnlILu8Q== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=h+xQ6GQG; dkim-atps=neutral; spf=pass (client-ip=2607:f8b0:4864:20::430; helo=mail-pf1-x430.google.com; envelope-from=mkchauras@gmail.com; receiver=lists.ozlabs.org) smtp.mailfrom=gmail.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=h+xQ6GQG; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::430; helo=mail-pf1-x430.google.com; envelope-from=mkchauras@gmail.com; receiver=lists.ozlabs.org) Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4f9Ctq4qKMz309N for ; Tue, 10 Feb 2026 18:32:02 +1100 (AEDT) Received: by mail-pf1-x430.google.com with SMTP id d2e1a72fcca58-81f4e36512aso3547345b3a.3 for ; Mon, 09 Feb 2026 23:32:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770708721; x=1771313521; darn=lists.ozlabs.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=+ELct8JbGFslmyeZtvX1PbcqdzEj+R+mb18t5qqOGr8=; b=h+xQ6GQGG53T8GQDUl0Wq5z2LiDyDs4U60qG9Te+eSOfb72q+g0MBxfna4Up/hNk1m 7uezUl7kVx8xc1IhrLfKNmBvEMrJHpuasm40tgCTjZJyOOEZcNoMXGp1NCYA+a+c1h07 dHcw1mpTUpyWUyVD3AMu33xjbwTSnsRDsQHfS8a3nnnd/OXGdNjgiO793EEY80dTfpyx 7ueU5/BETDinZNhCUNf54xjD6r7a3xGFcKSG8qU/ltgF7EHsDRMSiwDWURGsfoKQYHuG E9Xaot2AbnuIcL77jZdRCK+QKqDOzfdMhJGeOH97JB0qSLiOSHpWfM63Ki5CcgnXaynp kRhg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770708721; x=1771313521; 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=+ELct8JbGFslmyeZtvX1PbcqdzEj+R+mb18t5qqOGr8=; b=gORs5cmbjfXyGgq94FOqTSTfz+iP0wCQSS9u0YoTenMohxNh1ZJrwxiNJvnzlzcnsD rCo6tHsWfNNfDwc296jjj0eHwHpEtjl3a92MKozWmUsOP+DAPrZc+uyL5+xg9FwcfXtQ o2LCpdkVzDDL6PnSb0xOrwbQqyLiDb96BCffDoyzQPqH/gar+oQE2G87ZtDHvOV5GhCB QuukercWOdx4dhaAJFAK9UCYDoK1OxUbbX4QNOoveoMjfALnkdn7lrDjXq+LzrRTc3X3 moU3507vkFPYOnz4kQqcSrX86muDNMPTrpYPNzOJ5YszvMlnZ6Rr3FskzOrTuHsfF1Hx XtSg== X-Forwarded-Encrypted: i=1; AJvYcCXKO0OavdBXMWzL9CAQ1QUnrY6ReHoYeZ+yTEKib5IDIdaDHBTupGXOXCiwdlINSSTlLDMgUslHqZxu9Uk=@lists.ozlabs.org X-Gm-Message-State: AOJu0YzpQJYjOneQyxZ+lftzSvFUDHoKPFyDsJnXxR7CPbumqgk8I23m FIZd0qmx2PZmfJHl5nwRVJaIct8z6kYu51x/wUjm8MllCrjsOX+ydk+rK2c6yg== X-Gm-Gg: AZuq6aJ0VEBd5Leo33V6kTdEokFzjcJ4zyfT94ryFxWqsakO6UbWxucA7m8/fFz0WUs 3qESamQ3HZqOweGLEm8XgtdAxtDOWrgEO1/mYZBYwNNj68C2CFuAEF+JLt+DwN1kmSz8975m3k6 ega/YcqyDT+vgL9UoEYBdIGg85Dvf2vmbJmAwtPrK2yxU7SGMaiWmx8yRsd1q2Y++UIA3h4yvWO jsIy5NsuADr7yOzbTdAKSkKwk4eEojz3iMKrXS4dD/AiEOM2GYh1dkfnDNKEimnLvfE3Y6g0CAT i4wKQDpcnUMMtV7txKvyM0sF6+GcysVD0W4hDL6ATaesZbUBDH05MUoeHGOQ80C5molebs4cQ7M gY0Z5E59S/r3fw67as/l9VYlqx8Ehd3PWvUGtLvsEFL5SfvmaDlyffuKBFAoTRC27CnMJGuHWL1 A0f2Kg7f9YPnQgwnzevpgZRHzGPp647nnin2JdtniKRvE9slVZD3NrR91FYF9t4I5GJmXLikI= X-Received: by 2002:a05:6a20:734f:b0:37e:7e93:99cf with SMTP id adf61e73a8af0-393ad310a05mr12386368637.37.1770701906995; Mon, 09 Feb 2026 21:38:26 -0800 (PST) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.in.ibm.com ([129.41.58.2]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8245b62d773sm7529056b3a.36.2026.02.09.21.38.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Feb 2026 21:38:26 -0800 (PST) From: "Mukesh Kumar Chaurasiya (IBM)" To: linkmauve@linkmauve.fr, ojeda@kernel.org, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, dakr@kernel.org, corbet@lwn.net, maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com, rostedt@goodmis.org, ardb@kernel.org, rust-for-linux@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: "Mukesh Kumar Chaurasiya (IBM)" Subject: [PATCH V5 3/3] powerpc: Enable Rust for ppc64le Date: Tue, 10 Feb 2026 11:07:56 +0530 Message-ID: <20260210053756.2088302-4-mkchauras@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260210053756.2088302-1-mkchauras@gmail.com> References: <20260210053756.2088302-1-mkchauras@gmail.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enabling rust support for ppc64le only. Tested on powernv9: $ uname -rm 6.19.0-rc8+ ppc64le $ sudo modprobe rust_minimal [ 632.890850] rust_minimal: Rust minimal sample (init) [ 632.890881] rust_minimal: Am I built-in? false [ 632.890898] rust_minimal: test_parameter: 1 $ sudo rmmod rust_minimal [ 648.272832] rust_minimal: My numbers are [72, 108, 200] [ 648.272873] rust_minimal: Rust minimal sample (exit) $ sudo modprobe rust_print [ 843.410391] rust_print: Rust printing macros sample (init) [ 843.410424] rust_print: Emergency message (level 0) without args [ 843.410451] rust_print: Alert message (level 1) without args [ 843.410477] rust_print: Critical message (level 2) without args [ 843.410503] rust_print: Error message (level 3) without args [ 843.410530] rust_print: Warning message (level 4) without args [ 843.410557] rust_print: Notice message (level 5) without args [ 843.410594] rust_print: Info message (level 6) without args [ 843.410617] rust_print: A line that is continued without args [ 843.410646] rust_print: Emergency message (level 0) with args [ 843.410675] rust_print: Alert message (level 1) with args [ 843.410691] rust_print: Critical message (level 2) with args [ 843.410727] rust_print: Error message (level 3) with args [ 843.410761] rust_print: Warning message (level 4) with args [ 843.410796] rust_print: Notice message (level 5) with args [ 843.410821] rust_print: Info message (level 6) with args [ 843.410854] rust_print: A line that is continued with args [ 843.410892] rust_print: 1 [ 843.410895] rust_print: "hello, world" [ 843.410924] rust_print: [samples/rust/rust_print_main.rs:35:5] c = "hello, world" [ 843.410977] rust_print: Arc says 42 [ 843.410979] rust_print: Arc says hello, world $ sudo rmmod rust_print [ 843.411003] rust_print: "hello, world" [ 888.499935] rust_print: Rust printing macros sample (exit) Reviewed-by: Link Mauve Tested-by: Link Mauve Reviewed-by: Christophe Leroy (CS GROUP) Signed-off-by: Mukesh Kumar Chaurasiya (IBM) --- Documentation/rust/arch-support.rst | 2 +- arch/powerpc/Kconfig | 1 + arch/powerpc/Makefile | 9 ++++++++- rust/Makefile | 6 ++++++ 4 files changed, 16 insertions(+), 2 deletions(-) diff --git a/Documentation/rust/arch-support.rst b/Documentation/rust/arch-support.rst index e26a94808e97..627471ac9238 100644 --- a/Documentation/rust/arch-support.rst +++ b/Documentation/rust/arch-support.rst @@ -18,7 +18,7 @@ Architecture Level of support Constraints ``arm`` Maintained ARMv7 Little Endian only. ``arm64`` Maintained Little Endian only. ``loongarch`` Maintained \- -``powerpc`` Experimental 32-bit Big Endian only. +``powerpc`` Experimental 64-bit Little Endian. 32-bit Big Endian. ``riscv`` Maintained ``riscv64`` and LLVM/Clang only. ``um`` Maintained \- ``x86`` Maintained ``x86_64`` only. diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 17db23b82e91..954af27e10c5 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -284,6 +284,7 @@ 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 9fd82c75dcbd..f93816ddc036 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -61,7 +61,14 @@ else KBUILD_LDFLAGS_MODULE += $(objtree)/arch/powerpc/lib/crtsavres.o endif -KBUILD_RUSTFLAGS += --target=powerpc-unknown-linux-gnu +ifdef CONFIG_PPC64 +ifdef CONFIG_CPU_LITTLE_ENDIAN +KBUILD_RUSTFLAGS += --target=powerpc64le-unknown-linux-gnu +endif +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 ae22f2c5f0b3..0aef472c6cf5 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -392,7 +392,13 @@ 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