Re: [ros-dev] Re: [ros-svn] [hbirr] 13102: - Set the limit of the user mode code/data segment back to 4GB.

[Alex Ionescu]

Hartmut Birr wrote:

>   Hi,
>
>  adding the stack segment register to one instruction at the begin of 
>  _KiFastCallEntry does fix the fpu problem for me. And I don't 
>  understand why the interrupt flag is manipulated after sysenter and 
>  before sysexit.
>
>  - Hartmut
>
> -
> +    sti
> +    
>   
>  
Adding this makes the handler crash with a Stack Underflow at the next 
function...

>  -    movl KTSS_ESP0(%ecx), %ecx
> +    movl %ss:KTSS_ESP0(%ecx), %ecx
>   
>  
Adding this does nothing to fix Explorer :(

Best regards,
Alex Ionescu