mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-06 08:59:20 +02:00
Add support for Motorola 88K to s_lock.h.
Apparently there are still people out there who care about this old architecture. They probably care about dusty versions of Postgres too, so back-patch to all supported branches. David Carlier (from a patch being carried by OpenBSD packagers) Discussion: https://postgr.es/m/CA+XhMqzwFSGVU7MEnfhCecc8YdP98tigXzzpd0AAdwaGwaVXEA@mail.gmail.com
This commit is contained in:
parent
a96e225283
commit
940bafa75a
@ -543,6 +543,30 @@ tas(volatile slock_t *lock)
|
|||||||
#endif /* (__mc68000__ || __m68k__) && __linux__ */
|
#endif /* (__mc68000__ || __m68k__) && __linux__ */
|
||||||
|
|
||||||
|
|
||||||
|
/* Motorola 88k */
|
||||||
|
#if defined(__m88k__)
|
||||||
|
#define HAS_TEST_AND_SET
|
||||||
|
|
||||||
|
typedef unsigned int slock_t;
|
||||||
|
|
||||||
|
#define TAS(lock) tas(lock)
|
||||||
|
|
||||||
|
static __inline__ int
|
||||||
|
tas(volatile slock_t *lock)
|
||||||
|
{
|
||||||
|
register slock_t _res = 1;
|
||||||
|
|
||||||
|
__asm__ __volatile__(
|
||||||
|
" xmem %0, %2, %%r0 \n"
|
||||||
|
: "+r"(_res), "+m"(*lock)
|
||||||
|
: "r"(lock)
|
||||||
|
: "memory");
|
||||||
|
return (int) _res;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* __m88k__ */
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* VAXen -- even multiprocessor ones
|
* VAXen -- even multiprocessor ones
|
||||||
* (thanks to Tom Ivar Helbekkmo)
|
* (thanks to Tom Ivar Helbekkmo)
|
||||||
|
Loading…
Reference in New Issue
Block a user