i.MX ProcessorsのトピックRe: How to build Ltib with hard float

How to build Ltib with hard float

zhenghuyu — Thu, 22 Dec 2016 08:47:17 GMT

when I build ltib with setting -mfloat-abi=hard in config, I get the error msg: -mfloat-abi=soft and -mfloat-abi=hard may not be used together.

so how to build ltib with hard float

Re: How to build Ltib with hard float

igorpadykov — Thu, 22 Dec 2016 10:49:42 GMT

Hi zhenghu

one can follow attached document from ltib note i.MX has not fpu, only neon.

Best regards
igor
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Re: How to build Ltib with hard float

zhenghuyu — Thu, 22 Dec 2016 12:00:18 GMT

Can you give me some more detail instrutions?

Re: How to build Ltib with hard float

zhenghuyu — Thu, 22 Dec 2016 12:06:28 GMT

I can not find where the flag -mfloat-abi=soft has been set。I only set the c compile flag -mfloat-abi=hard

and the u-boot builds successfully but the kernel doesn't and show the error message

Re: How to build Ltib with hard float

igorpadykov — Thu, 22 Dec 2016 23:21:31 GMT

may be useful to check

https://wiki.linaro.org/Linaro-arm-hardfloat
https://community.nxp.com/docs/DOC-95185

~igor