[ECOS] FLAG Question???
Jonathan Larmour
jlarmour@redhat.com
Fri Jun 15 11:23:00 GMT 2001
Carlos Camargo wrote:
>
> Hi, all..
>
> I have a question about flags:
>
> can i use a harware register as a flag??
>
> For example, i have a FPGA that can access address and
> data bus. Can i define a flag to be a register in my
> FPGA???
>
> How the kernel detect that a flag change??? Read
> constantly the flag address or check the function set
> and mask???
Nope. The kernel flag type assumes that the flag is only changed by the
cyg_flag functions.
Jifl
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