From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Sun, 14 Mar 2021 13:30:49 +0100 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1lLPtR-0007qy-TI for lore@lore.pengutronix.de; Sun, 14 Mar 2021 13:30:49 +0100 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lLPtO-0007kd-Vr for lore@pengutronix.de; Sun, 14 Mar 2021 13:30:49 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ipoNQD8QjSC2yOqN1qNBEgBygKYOf2x9iBVRFnJ6FiA=; b=BQ2m7X5rvdqi+gR0QRsfbaK7C wvkPYL+1lYR/xjPAHAJvvXvPv9Dq1R/QKKGWiPdDX6BgEQYFzYBO2qxkEoKY3S8U9EEfqeQ5zjT1X 8qf7DGPEIZsehg7psvmNbuC2u7nKKmCsWjMchvZahfSI4XvPTzd6EECoyIMlNL0ojGTV+o/4tJvLI KAIkG4tsBwCoArsb7plSHQUOH+teHajhfnWCp0xmORXL1+aeyWpCFCxfq0CZ0cAk6FZHQ/NriIsYs pOWUwkSanCJDxj5ELSNOJTZEu66eX7XhmKjQ3SqDquKPP/7JQSGAxPN0QiJqNimt+uDdPSrnc36ky 7Q13OvK9w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lLPs4-00ECYF-Ab; Sun, 14 Mar 2021 12:29:24 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lLPrD-00EC1S-LS for barebox@lists.infradead.org; Sun, 14 Mar 2021 12:28:33 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lLPqp-0006Lh-5W; Sun, 14 Mar 2021 13:28:07 +0100 Received: from afa by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lLPqn-00016d-NN; Sun, 14 Mar 2021 13:28:05 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Date: Sun, 14 Mar 2021 13:28:00 +0100 Message-Id: <20210314122804.4128-17-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210314122804.4128-1-a.fatoum@pengutronix.de> References: <20210314122804.4128-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210314_122831_915747_1291E1D4 X-CRM114-Status: GOOD ( 12.67 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ahmad Fatoum , rcz@pengutronix.de Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2001:8b0:10b:1:d65d:64ff:fe57:4e05 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.5 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 16/20] RISC-V: add 64-bit support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) From: Rouven Czerwinski As our assembly routines are now written to work correctly on 32-bit as well as 64-bit, nothing is holding us back from adding 64-bit support. Signed-off-by: Rouven Czerwinski Signed-off-by: Ahmad Fatoum --- arch/riscv/Kconfig | 25 ++++++++++++++++++------- arch/riscv/Makefile | 7 +++++-- arch/riscv/include/asm/elf.h | 1 - arch/riscv/include/asm/types.h | 8 +------- arch/riscv/lib/barebox.lds.S | 5 +++++ arch/riscv/lib/pbl.lds.S | 5 +++++ 6 files changed, 34 insertions(+), 17 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 91e8546f9624..29ac95aa0f4d 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -25,6 +25,7 @@ choice config MACH_ERIZO bool "erizo family" + select ARCH_RV32I select HAS_DEBUG_LL select HAS_NMON select USE_COMPRESSED_DTB @@ -42,23 +43,33 @@ config ARCH_RV32I select GENERIC_LIB_ASHRDI3 select GENERIC_LIB_LSHRDI3 select HAS_ARCH_SJLJ + select 32BIT + +config ARCH_RV64I + bool "RV64I" + select CPU_SUPPORTS_64BIT_KERNEL + select 64BIT endchoice config CPU_SUPPORTS_32BIT_KERNEL bool -choice - prompt "barebox code model" - default 32BIT +config CPU_SUPPORTS_64BIT_KERNEL + bool + +config PHYS_ADDR_T_64BIT + bool config 32BIT - bool "32-bit barebox" + bool depends on CPU_SUPPORTS_32BIT_KERNEL - help - Select this option to build a 32-bit barebox. -endchoice +config 64BIT + bool + depends on CPU_SUPPORTS_64BIT_KERNEL + select ARCH_DMA_ADDR_T_64BIT + select PHYS_ADDR_T_64BIT source "arch/riscv/mach-erizo/Kconfig" diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index f59e8b39a572..f60239fd253b 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -3,8 +3,11 @@ KBUILD_DEFCONFIG := erizo_generic_defconfig KBUILD_CPPFLAGS += -fno-strict-aliasing ifeq ($(CONFIG_ARCH_RV32I),y) - riscv-cflags-y := -march=rv32im -mabi=ilp32 - riscv-ldflags-y := -melf32lriscv + riscv-cflags-y += -march=rv32im -mabi=ilp32 + riscv-ldflags-y += -melf32lriscv +else + riscv-cflags-y += -march=rv64imafd -mabi=lp64 + riscv-ldflags-y += -melf64lriscv endif riscv-cflags-y += -Wstrict-prototypes -mcmodel=medany -fpic diff --git a/arch/riscv/include/asm/elf.h b/arch/riscv/include/asm/elf.h index adb8ec8f6ece..0cd27724da60 100644 --- a/arch/riscv/include/asm/elf.h +++ b/arch/riscv/include/asm/elf.h @@ -4,7 +4,6 @@ #if __SIZEOF_POINTER__ == 8 #define ELF_CLASS ELFCLASS64 -#define CONFIG_PHYS_ADDR_T_64BIT #else #define ELF_CLASS ELFCLASS32 #endif diff --git a/arch/riscv/include/asm/types.h b/arch/riscv/include/asm/types.h index af37d7738c65..1ad5904f9178 100644 --- a/arch/riscv/include/asm/types.h +++ b/arch/riscv/include/asm/types.h @@ -3,18 +3,12 @@ #include -#ifdef __riscv64 +#if __riscv_xlen == 64 /* * This is used in dlmalloc. On RISCV64 we need it to be 64 bit */ #define INTERNAL_SIZE_T unsigned long -/* - * This is a Kconfig variable in the Kernel, but we want to detect - * this during compile time, so we set it here. - */ -#define CONFIG_PHYS_ADDR_T_64BIT - #endif #endif /* __ASM_RISCV_TYPES_H */ diff --git a/arch/riscv/lib/barebox.lds.S b/arch/riscv/lib/barebox.lds.S index 562ad5dc6662..7856b57a5220 100644 --- a/arch/riscv/lib/barebox.lds.S +++ b/arch/riscv/lib/barebox.lds.S @@ -15,6 +15,11 @@ OUTPUT_ARCH(riscv) ENTRY(start) +#ifdef CONFIG_64BIT +OUTPUT_FORMAT("elf64-littleriscv") +#else +OUTPUT_FORMAT("elf32-littleriscv") +#endif SECTIONS { . = 0x0; diff --git a/arch/riscv/lib/pbl.lds.S b/arch/riscv/lib/pbl.lds.S index 33caab7b1024..f1dd9aeabacc 100644 --- a/arch/riscv/lib/pbl.lds.S +++ b/arch/riscv/lib/pbl.lds.S @@ -6,6 +6,11 @@ #include OUTPUT_ARCH(riscv) +#ifdef CONFIG_64BIT +OUTPUT_FORMAT("elf64-littleriscv") +#else +OUTPUT_FORMAT("elf32-littleriscv") +#endif SECTIONS { . = 0x0; -- 2.29.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox