When "64-bit ARMv9" was announced ?
On Thu, Sep 26, 2013 at 4:46 AM, Scott Wood scottwood@freescale.com wrote:
On Tue, 2013-09-17 at 16:37 +0800, FengHua wrote:
-----原始邮件----- 发件人: "Scott Wood" scottwood@freescale.com 发送时间: 2013年9月17日 星期二 收件人: fenghua@phytium.com.cn 抄送: u-boot@lists.denx.de, trini@ti.com, albert.u.boot@aribaud.net,
wd@denx.de, B45370@freescale.com
主题: Re: [PATCH v10 1/6] core support of arm64
On Mon, 2013-09-16 at 16:08 +0800, fenghua@phytium.com.cn wrote:
From: David Feng fenghua@phytium.com.cn
Signed-off-by: David Feng fenghua@phytium.com.cn
You've still got CONFIG_ARMV8 in places that should be CONFIG_ARM64
I am hesitate to use CONFIG_ARM64 instead of CONFIG _ARMV8. I am not sure whether all the CONFIG_ARMV8 could be replaced with
CONFIG_ARM64
or CONFIG_ARMV8 and CONFIG_ARMV64 are both needed. I will take this into account in the next.
If it inherently relates to being 64-bit (including ABI issues), use CONFIG_ARM64. If it's something that is new in ARMv8 but isn't specifically due to 64-bitness (e.g. cache stuff, if it's different from ARMv7), and could reasonably be different in a 64-bit ARMv9, then use CONFIG_ARMV8.
-Scott
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