linux-kernel - [PATCH] wireguard: selftests: support OpenRISC

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Date:   Tue, 28 Jun 2022 02:02:10 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     linux-kernel@...r.kernel.org, openrisc@...ts.librecores.org,
        shorne@...il.com
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH] wireguard: selftests: support OpenRISC

Stafford and I have been using this to shake out OpenRISC bugs, and it's
been a great help, so it's time OpenRISC support for the WireGuard test
suite is made into a proper commit. The QEMU changes necessary for this
to work should also be around the corner now, and they seem some what
stationary in their interface too.

Cc: Stafford Horne <shorne@...il.com>
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 .../testing/selftests/wireguard/qemu/Makefile | 13 ++++++++++-
 .../selftests/wireguard/qemu/arch/or1k.config | 22 +++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/wireguard/qemu/arch/or1k.config

diff --git a/tools/testing/selftests/wireguard/qemu/Makefile b/tools/testing/selftests/wireguard/qemu/Makefile
index 7d1b80988d8a..57b00578b86f 100644
--- a/tools/testing/selftests/wireguard/qemu/Makefile
+++ b/tools/testing/selftests/wireguard/qemu/Makefile
@@ -247,8 +247,19 @@ QEMU_MACHINE := -cpu host,accel=kvm -machine s390-ccw-virtio -append $(KERNEL_CM
 else
 QEMU_MACHINE := -cpu max -machine s390-ccw-virtio -append $(KERNEL_CMDLINE)
 endif
+else ifeq ($(ARCH),or1k)
+CHOST := or1k-linux-musl
+QEMU_ARCH := or1k
+KERNEL_ARCH := openrisc
+KERNEL_BZIMAGE := $(KERNEL_BUILD_PATH)/vmlinux
+QEMU_VPORT_RESULT := virtio-serial-device
+ifeq ($(HOST_ARCH),$(ARCH))
+QEMU_MACHINE := -cpu host,accel=kvm -machine virt
+else
+QEMU_MACHINE := -cpu or1200 -machine virt
+endif
 else
-$(error I only build: x86_64, i686, arm, armeb, aarch64, aarch64_be, mips, mipsel, mips64, mips64el, powerpc64, powerpc64le, powerpc, m68k, riscv64, riscv32, s390x)
+$(error I only build: x86_64, i686, arm, armeb, aarch64, aarch64_be, mips, mipsel, mips64, mips64el, powerpc64, powerpc64le, powerpc, m68k, riscv64, riscv32, s390x, or1k)
 endif
 
 TOOLCHAIN_FILENAME := $(CHOST)-cross.tgz
diff --git a/tools/testing/selftests/wireguard/qemu/arch/or1k.config b/tools/testing/selftests/wireguard/qemu/arch/or1k.config
new file mode 100644
index 000000000000..164dce530ccb
--- /dev/null
+++ b/tools/testing/selftests/wireguard/qemu/arch/or1k.config
@@ -0,0 +1,22 @@
+CONFIG_OPENRISC_HAVE_INST_FF1=y
+CONFIG_OPENRISC_HAVE_INST_FL1=y
+CONFIG_OPENRISC_HAVE_INST_MUL=y
+CONFIG_OPENRISC_HAVE_INST_DIV=y
+CONFIG_OPENRISC_HAVE_INST_CMOV=y
+CONFIG_OPENRISC_HAVE_INST_ROR=y
+CONFIG_OPENRISC_HAVE_INST_RORI=y
+CONFIG_OPENRISC_HAVE_INST_SEXT=y
+CONFIG_OPENRISC_NO_SPR_SR_DSX=y
+CONFIG_JUMP_UPON_UNHANDLED_EXCEPTION=y
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_VIRTIO_MENU=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_SYSCON=y
+CONFIG_POWER_RESET_SYSCON_POWEROFF=y
+CONFIG_SYSCON_REBOOT_MODE=y
+CONFIG_CMDLINE="console=ttyS0 wg.success=vport0p1 panic_on_warn=1"
-- 
2.35.1