From patchwork Fri Jan 26 14:23:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jones X-Patchwork-Id: 13532667 Received: from out-181.mta0.migadu.com (out-181.mta0.migadu.com [91.218.175.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 48C2C1C2AC for ; Fri, 26 Jan 2024 14:24:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706279052; cv=none; b=uRqjP4+RtHoT/hb4a1G+gYyi9K756FchxjU/U84hjh6fZhfzA355iJvXyMOalfmSjwhihgVk48b+H6i+Dif1VEdliahCp83EHXjWLKJU0J76QjuZyGHfP6M99QxB8bnLhdbWc+2XAHGUCiftwa5l7CsKK47PEH9hKq65H1INBs0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706279052; c=relaxed/simple; bh=Ue8d76Sr5mgyLpo4dy+RyPAAUxH5/SLTJFKtFwR9rsw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=LFyFzqfS8VIbZkZU98KTi+9FAk3LyuStemqN0+QwRh9hUGpTtUpAmSJ93vLaGu3WaOEFuC14ab1N3krPqDBvOArUr8JAyNrnXF7Fabdb66VSk/C0jmHRPKxiVIdXhDlasNY6xyTnISPCGwn5pK4GvYY/jl3ZE0Y3UdLwM4qK3Hc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=dcU9gXGS; arc=none smtp.client-ip=91.218.175.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="dcU9gXGS" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1706279049; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OcnHKT/j6zHB2BZpzAqIoxyI5CLjfiYoL1Wr3Kcxe6E=; b=dcU9gXGSsqkgI/GRDOP+ME2SFWRRRBg0bjnu06wdvx/TFqA7iq997Q0VQUW7FAUOUUXbry 2MvmQlo+RW5kUg+q971a5V9s+iq78bczplFAJQUAd08tosLA5mKku1jtkUgFua3WF4gfwC 1Mu2umMBPyVBi0wBFiDwGA29XwiQdi4= From: Andrew Jones To: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, kvmarm@lists.linux.dev Cc: ajones@ventanamicro.com, anup@brainfault.org, atishp@atishpatra.org, pbonzini@redhat.com, thuth@redhat.com, alexandru.elisei@arm.com, eric.auger@redhat.com Subject: [kvm-unit-tests PATCH v2 14/24] riscv: Compile with march Date: Fri, 26 Jan 2024 15:23:39 +0100 Message-ID: <20240126142324.66674-40-andrew.jones@linux.dev> In-Reply-To: <20240126142324.66674-26-andrew.jones@linux.dev> References: <20240126142324.66674-26-andrew.jones@linux.dev> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain X-Migadu-Flow: FLOW_OUT Tell the compiler to provide mnemonics for instructions we depend on, such as 'pause'. Specifying march also allows extensions which affect compilation to be individually [un]selected. For example, building without compressed (2 byte) instructions may be desirable, so 'c' may be removed from the march isa string. Signed-off-by: Andrew Jones Acked-by: Thomas Huth --- riscv/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/riscv/Makefile b/riscv/Makefile index 4a83f27f7df2..697a3beb2703 100644 --- a/riscv/Makefile +++ b/riscv/Makefile @@ -55,8 +55,13 @@ define arch_elf_check = $(error $(1) has unsupported reloc types)) endef +ISA_COMMON = mafdc_zicsr_zifencei_zihintpause + ifeq ($(ARCH),riscv64) +CFLAGS += -march=rv64i$(ISA_COMMON) CFLAGS += -DCONFIG_64BIT +else ifeq ($(ARCH),riscv32) +CFLAGS += -march=rv32i$(ISA_COMMON) endif CFLAGS += -DCONFIG_RELOC CFLAGS += -mcmodel=medany