From: Zhangjin Wu <falcon@tinylab.org>
To: w@1wt.eu
Cc: falcon@tinylab.org, arnd@arndb.de, linux-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org, thomas@t-8ch.de,
"Thomas Weißschuh" <linux@weissschuh.net>
Subject: [PATCH v3 6/7] selftests/nolibc: add test support for ppc64le
Date: Thu, 27 Jul 2023 23:05:31 +0800 [thread overview]
Message-ID: <a82b0fcb199e799649fed0b4b82bd1dfe1c51129.1690468707.git.falcon@tinylab.org> (raw)
In-Reply-To: <cover.1690468707.git.falcon@tinylab.org>
Kernel uses ARCH=powerpc for both 32-bit and 64-bit PowerPC, here adds a
ppc64le variant for little endian 64-bit PowerPC, users can pass
ARCH=ppc64le to test it.
The powernv machine of qemu-system-ppc64le is used for there is just a
working powernv_defconfig.
As the document [1] shows:
PowerNV (as Non-Virtualized) is the “bare metal” platform using the
OPAL firmware. It runs Linux on IBM and OpenPOWER systems and it can be
used as an hypervisor OS, running KVM guests, or simply as a host OS.
Note, since the VSX support may be disabled in kernel side, to avoid
"illegal instruction" errors due to missing VSX kernel support, let's
simply let compiler not generate vector/scalar (VSX) instructions via
the '-mno-vsx' option.
[1]: https://qemu.readthedocs.io/en/latest/system/ppc/powernv.html
Suggested-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/lkml/20230722120747.GC17311@1wt.eu/
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
tools/testing/selftests/nolibc/Makefile | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 832b9ffcbac4..dfc411cd4f10 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -22,6 +22,7 @@ XARCH := $(or $(XARCH_$(ARCH)),$(ARCH))
# ARCH is supported by kernel
# map from user input variants to their kernel supported architectures
ARCH_ppc = powerpc
+ARCH_ppc64le = powerpc
override ARCH := $(or $(ARCH_$(XARCH)),$(XARCH))
# kernel image names by architecture
@@ -32,6 +33,7 @@ IMAGE_arm64 = arch/arm64/boot/Image
IMAGE_arm = arch/arm/boot/zImage
IMAGE_mips = vmlinuz
IMAGE_ppc = vmlinux
+IMAGE_ppc64le = arch/powerpc/boot/zImage
IMAGE_riscv = arch/riscv/boot/Image
IMAGE_s390 = arch/s390/boot/bzImage
IMAGE_loongarch = arch/loongarch/boot/vmlinuz.efi
@@ -46,6 +48,7 @@ DEFCONFIG_arm64 = defconfig
DEFCONFIG_arm = multi_v7_defconfig
DEFCONFIG_mips = malta_defconfig
DEFCONFIG_ppc = pmac32_defconfig
+DEFCONFIG_ppc64le = powernv_defconfig
DEFCONFIG_riscv = defconfig
DEFCONFIG_s390 = defconfig
DEFCONFIG_loongarch = defconfig
@@ -65,6 +68,7 @@ QEMU_ARCH_arm64 = aarch64
QEMU_ARCH_arm = arm
QEMU_ARCH_mips = mipsel # works with malta_defconfig
QEMU_ARCH_ppc = ppc
+QEMU_ARCH_ppc64le = ppc64le
QEMU_ARCH_riscv = riscv64
QEMU_ARCH_s390 = s390x
QEMU_ARCH_loongarch = loongarch64
@@ -78,6 +82,7 @@ QEMU_ARGS_arm64 = -M virt -cpu cortex-a53 -append "panic=-1 $(TEST:%=NOLIBC
QEMU_ARGS_arm = -M virt -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_mips = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_ppc = -M g3beige -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
+QEMU_ARGS_ppc64le = -M powernv -append "console=hvc0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_riscv = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_s390 = -M s390-ccw-virtio -m 1G -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_loongarch = -M virt -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
@@ -93,6 +98,7 @@ else
Q=@
endif
+CFLAGS_ppc64le = -m64 -mlittle-endian -Wl,-EL,-melf64ppc -mno-vsx
CFLAGS_s390 = -m64
CFLAGS_mips = -EL
CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all))
--
2.25.1
next prev parent reply other threads:[~2023-07-27 15:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 14:58 [PATCH v3 0/7] tools/nolibc: add 32/64-bit powerpc support Zhangjin Wu
2023-07-27 14:59 ` [PATCH v3 1/7] tools/nolibc: add support for powerpc Zhangjin Wu
2023-07-27 15:00 ` [PATCH v3 2/7] tools/nolibc: add support for powerpc64 Zhangjin Wu
2023-07-27 15:02 ` [PATCH v3 3/7] selftests/nolibc: add extra configs customize support Zhangjin Wu
2023-07-29 12:36 ` Thomas Weißschuh
2023-07-29 14:39 ` Zhangjin Wu
2023-07-29 16:29 ` Willy Tarreau
2023-07-29 16:54 ` Zhangjin Wu
2023-07-29 17:10 ` Willy Tarreau
2023-07-30 4:54 ` Zhangjin Wu
2023-07-30 6:01 ` Zhangjin Wu
2023-07-30 6:18 ` Willy Tarreau
2023-07-30 11:21 ` Zhangjin Wu
2023-07-30 18:02 ` Zhangjin Wu
2023-07-27 15:03 ` [PATCH v3 4/7] selftests/nolibc: add XARCH and ARCH mapping support Zhangjin Wu
2023-07-30 6:38 ` Zhangjin Wu
2023-07-30 7:03 ` Willy Tarreau
2023-07-30 11:36 ` Zhangjin Wu
2023-07-27 15:04 ` [PATCH v3 5/7] selftests/nolibc: add test support for ppc Zhangjin Wu
2023-07-27 15:05 ` Zhangjin Wu [this message]
2023-07-27 15:06 ` [PATCH v3 7/7] selftests/nolibc: add test support for ppc64 Zhangjin Wu
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