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  • Igor Kovalenko's avatar
    sparc64: trap handling corrections · 5210977a
    Igor Kovalenko authored
    On Sun, Jul 12, 2009 at 12:09 PM, Blue Swirl<blauwirbel@gmail.com> wrote:
    > On 7/12/09, Igor Kovalenko <igor.v.kovalenko@gmail.com> wrote:
    >> Good trap handling is required to process interrupts.
    >>  This patch fixes the following:
    >>
    >>  - sparc64 has no wim register
    >>  - sparc64 has no psret register, use IE bit of pstate
    >>   extract IE checking code to cpu_interrupts_enabled
    >>  - alternate globals are not available if cpu has GL feature
    >>   in this case bit AG of pstate is constant zero
    >>  - write to pstate must actually write pstate
    >>   even if cpu has GL feature
    >>
    >>  Also timer interrupt is handled using do_interrupt.
    >
    > A bit too much for one patch. Please also remove the code instead of
    > commenting out.
    
    I now excluded timer interrupt related part.
    To my mind other changes are essentially tied together.
    
    > PUT_PSR for Sparc64 needs CC_OP = CC_OP_FLAGS; like Sparc32.
    
    Fixed, please find attached the updated version.
    
    --
    Kind regards,
    Igor V. Kovalenko
    5210977a