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SubjectRe: [PATCH v6 01/19] arm64:ilp32: add documentation on the ILP32 ABI for ARM64
Hi, Yury

On 2015/11/18 5:16, Yury Norov wrote:
> From: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
>
> Based on Andrew Pinski's original patch-series and adapted with changes
> to reduce the duplication of code-paths and resolve issue found during
> LTP testing.
>
> Reviewed-by: David Daney <ddaney@caviumnetworks.com>
>
>
> Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
> Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
> ---
> Documentation/arm64/ilp32.txt | 47 +++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 47 insertions(+)
> create mode 100644 Documentation/arm64/ilp32.txt
>
> diff --git a/Documentation/arm64/ilp32.txt b/Documentation/arm64/ilp32.txt
> new file mode 100644
> index 0000000..93c09f2
> --- /dev/null
> +++ b/Documentation/arm64/ilp32.txt
> @@ -0,0 +1,47 @@
> +ILP32 AARCH64 SYSCALL ABI
> +=========================
> +Written by Andrew Pinski <apinski@cavium.com>
> +Updated by Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
> +Updated by Yury Norov <ynorov@caviumnetworks.com>
> +
> +
> +This document describes the ILP32 syscall ABI and where it differs
> +from the generic linux syscall interface.
> +
> +Some structures are changed to reduce the difference in the code path
> +for both ILP32 and LP64 ABIs for signal handling.
Given that user may upgrade from aarch32 to ILP32. How about add abi
comparison between aarch32 and aarch64 ilp32?

Regards

Bamvor




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