Re: [PATCH 08/15] nios2: Use Linux kABI for syscall return

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To: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx>, Adhemerval Zanella <adhemerval.zanella@xxxxxxxxxx>, "libc-alpha@xxxxxxxxxxxxxx" <libc-alpha@xxxxxxxxxxxxxx>
Subject: Re: [PATCH 08/15] nios2: Use Linux kABI for syscall return
From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx>
Date: Thu, 20 Feb 2020 21:04:09 +0000
Accept-language: en-US
Cc: arcml <linux-snps-arc@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <8f88415f-18cc-17ef-91ca-b0dc101558d9@synopsys.com>
References: <20200210192038.23588-1-adhemerval.zanella@linaro.org> <20200210192038.23588-8-adhemerval.zanella@linaro.org> <10265c86-aba3-12f9-9208-4a4c6ad31d28@synopsys.com> <4d32b8a1-e294-d2b7-f150-2c55281614ed@linaro.org> <8f88415f-18cc-17ef-91ca-b0dc101558d9@synopsys.com>
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On 2/20/20 12:39 PM, Vineet Gupta wrote:
> Am I not following this correctly ?

Oh never mind, they use 2 seperate regs to convey syscall result and error, so
your code is right.
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