Re: arm_sync_icache on aarch64

[Michael <macallan%netbsd.org@localhost>]

Hello,

On Sun, 2 Dec 2018 18:55:36 +0000
Alexander Nasonov <alnsn%yandex.ru@localhost> wrote:

> The following program can't be linked on my Pinebbook:
> 
> #include <machine/sysarch.h>
> 
> int main()
> {
> 	return arm_sync_icache(0, 4096);
> }
> 
> and I can't find an equivalent of libarm on aarch64.
> 
> The kernel side has aarch64_icache_sync_range() and it's not an empty
> stub: 
> 
> $ nm -S /netbsd  | grep aarch64_icache_sync_range
> ffffffc00005f5e0 0000000000000054 T aarch64_icache_sync_range
> 
> I need this function for rump stubs to sljit. I think I can use
> sysarch(ARM_SYNC_ICACHE) but I'm not sure which approach is better.

I think WebKit needs something like that as well.

have fun
Michael