Re: Call for port reports

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От Bruce Momjian
Тема Re: Call for port reports
Дата
Msg-id 200310260138.h9Q1cQ715263@candle.pha.pa.us
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Ответ на Re: Call for port reports  (Peter Eisentraut <peter_e@gmx.net>)
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Peter Eisentraut wrote:
> Bruce Momjian writes:
> 
> > I can't certify the following platform because it doesn't recognize our
> > spinlock code.  Would you run src/tools/ccsym and report back the
> > symbols you have.  Do you not have __powerpc__ defined?
> 
> The way I read his report (a little tricky to find the divisions) is that
> ppc has passed and parisc64 doesn't have spinlock code, which sounds a
> lot more credible.

Oh, I see now --- sorry.

Wow, I looked in hpux.h and saw:#if defined(__hppa)#define HAS_TEST_AND_SETtypedef struct{    int         sema[4];}
slock_t;#ifndef        BYTE_ORDER#define         BYTE_ORDER      BIG_ENDIAN#endif
 

and I see in s_lock.h:#if defined(__hppa)/* * HP's PA-RISC * * Note that slock_t on PA-RISC is a structure instead of
char* (see include/port/hpux.h). * * a "set" slock_t has a single word cleared.  a "clear" slock_t has * all words set
tonon-zero. tas() is in tas.s */#define S_UNLOCK(lock) \    do { \        volatile slock_t *lock_ = (volatile slock_t
*)(lock); \        lock_->sema[0] = -1; \        lock_->sema[1] = -1; \        lock_->sema[2] = -1; \
lock_->sema[3]= -1; \    } while (0)#define S_LOCK_FREE(lock)   ( *(int *) (((long) (lock) + 15) & ~15) != 0)#endif
/*__hppa */
 

Can Linux handle this?  Can you copy the stuff from hpux.h and see if
that works for Linux?

We can't mark this port as working unless we have spinlocks.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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