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Re: [2/2 ABI and toolchain part] Support Raspberry Pi [0-3] in big-endian mode

Rin Okuyama <> wrote:
>- Compatible to ARMv5 and prior. We can build pkgsrc for earmv5{,hf}eb,
>   for example (*). This is impossible on ARMv7 and later.
>(*) At the moment, userland for ARMv5 and prior does not work on ARMv6
>     and later. This is due to lack of swp{,b} instructions. However,
>     emulation for these instructions has already been added to aarch64
>     by ryo@. Porting that code to arm should be straightforward.

I thought that we had enabled SWP instructions on ARMv6 and ARMv7, it
should not need the emulation code from aarch64.

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