| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20260204210125.613350-4-mkchauras@gmail.com> Date: Thu, 5 Feb 2026 02:31:25 +0530 From: "Mukesh Kumar Chaurasiya (IBM)" <mkchauras@...il.com> To: linkmauve@...kmauve.fr, ojeda@...nel.org, boqun.feng@...il.com, gary@...yguo.net, bjorn3_gh@...tonmail.com, lossin@...nel.org, a.hindborg@...nel.org, aliceryhl@...gle.com, tmgross@...ch.edu, dakr@...nel.org, corbet@....net, maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com, chleroy@...nel.org, peterz@...radead.org, jpoimboe@...nel.org, jbaron@...mai.com, rostedt@...dmis.org, ardb@...nel.org, rust-for-linux@...r.kernel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org Cc: "Mukesh Kumar Chaurasiya (IBM)" <mkchauras@...il.com> Subject: [PATCH V2 3/3] powerpc: Enable Rust for ppc64le 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<dyn Display> says 42 [ 843.410979] rust_print: Arc<dyn Display> says hello, world $ sudo rmmod rust_print [ 843.411003] rust_print: "hello, world" [ 888.499935] rust_print: Rust printing macros sample (exit) Signed-off-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@...il.com> --- Documentation/rust/arch-support.rst | 2 +- arch/powerpc/Kconfig | 2 +- arch/powerpc/Makefile | 9 ++++++++- rust/Makefile | 9 ++++++++- 4 files changed, 18 insertions(+), 4 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..c5dd03713af2 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -283,7 +283,7 @@ config PPC select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_RELIABLE_STACKTRACE select HAVE_RSEQ - select HAVE_RUST if PPC32 + select HAVE_RUST if PPC32 || (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..c3961fd0d9a4 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -392,10 +392,17 @@ 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 -BINDGEN_TARGET_powerpc := powerpc-linux-gnu BINDGEN_TARGET_um := $(BINDGEN_TARGET_$(SUBARCH)) BINDGEN_TARGET := $(BINDGEN_TARGET_$(SRCARCH)) +ifdef CONFIG_PPC64 +ifdef CONFIG_CPU_LITTLE_ENDIAN +BINDGEN_TARGET_powerpc := powerpc64le-linux-gnu +endif +else +BINDGEN_TARGET_powerpc := powerpc-linux-gnu +endif + # All warnings are inhibited since GCC builds are very experimental, # many GCC warnings are not supported by Clang, they may only appear in # some configurations, with new GCC versions, etc. -- 2.52.0
Powered by blists - more mailing lists