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) Reviewed-by: Link Mauve <[email protected]> Tested-by: Link Mauve <[email protected]> Reviewed-by: Christophe Leroy (CS GROUP) <[email protected]> Tested-by: Venkat Rao Bagalkote <[email protected]> Signed-off-by: Mukesh Kumar Chaurasiya (IBM) <[email protected]> --- 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 7ea7570e3f17..7fe4cbbd176e 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -410,7 +410,13 @@ 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
