From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by casper.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jY2lC-0001Ot-SW for barebox@lists.infradead.org; Mon, 11 May 2020 07:22:01 +0000 From: Ahmad Fatoum Date: Mon, 11 May 2020 09:21:19 +0200 Message-Id: <20200511072140.29610-3-a.fatoum@pengutronix.de> In-Reply-To: <20200511072140.29610-1-a.fatoum@pengutronix.de> References: <20200511072140.29610-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 02/23] sandbox: define CONFIG_64BIT as appropriate To: barebox@lists.infradead.org Cc: Ahmad Fatoum , Ahmad Fatoum From: Ahmad Fatoum All 64-bit architectures are supposed to define CONFIG_64BIT to support the relevant 64-bit MMIO accessors. The sandbox architecture is a bit of a special case, because barebox uses the toolchain default and doesn't force a bitness. Add 64BIT as promptless symbol, which reflects the pointer size of the target platform. Signed-off-by: Ahmad Fatoum --- arch/sandbox/Kconfig | 9 +++++++++ scripts/gcc-64bitptr.sh | 9 +++++++++ 2 files changed, 18 insertions(+) create mode 100755 scripts/gcc-64bitptr.sh diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig index 6ec71a99e53f..46cfe8b4b1c8 100644 --- a/arch/sandbox/Kconfig +++ b/arch/sandbox/Kconfig @@ -1,3 +1,5 @@ +source "scripts/Kconfig.include" + config SANDBOX bool select OFTREE @@ -20,3 +22,10 @@ config SANDBOX_UNWIND default y select ARCH_HAS_STACK_DUMP depends on UBSAN || KASAN + +config CC_IS_64BIT + def_bool $(success,$(srctree)/scripts/gcc-64bitptr.sh $(CC)) + +config 64BIT + bool + default CC_IS_64BIT diff --git a/scripts/gcc-64bitptr.sh b/scripts/gcc-64bitptr.sh new file mode 100755 index 000000000000..7fb05703b813 --- /dev/null +++ b/scripts/gcc-64bitptr.sh @@ -0,0 +1,9 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-only + +cat << "END" | $@ -x c - -c -o /dev/null +int main(void) +{ + return sizeof(struct { int:-!(sizeof(void *) == 8); }); +} +END -- 2.26.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox