On Tue, Aug 30, 2011 at 10:47 PM, Stubbs, Andrew <andrew_stu...@mentor.com> wrote: > On 29/08/11 04:29, Michael Hope wrote: >> On Sat, Aug 27, 2011 at 3:19 AM, Andrew Stubbs<a...@codesourcery.com> wrote: >>> Hi all, >>> >>> This patch adds support for -mcpu=native, -mtune=native, and -march=native >>> for ARM Linux hosts. >>> >>> So far, it only recognises Cortex-A8 and Cortex-A9, so I really need to find >>> out what the magic part numbers are for other cpus before this patch is >>> complete. I couldn't just find this information listed anywhere. I think >>> there are a lot of clues in the kernel code, but it's hard to mine and it >>> mostly only goes as far the architecture version, not the individual cpu. >> >> Could you send linaro-dev@ an email and ask them where this API is >> documented? > > API? It reads /proc/cpuinfo, and that just spits out the magic numbers > from the processor registers. Linaro-dev might know more magic numbers > though.
Yip, most (all?) of the files under /proc are an API between user space and the kernel and have the usual requirements of usability and compatibility. -- Michael
