mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-02-23 19:39:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add support for Motorola 88K to s_lock.h.

Browse Source 
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:
Tom Lane 2017-11-20 17:57:46 -05:00
parent 77b76fea94
commit 0245c75f4f
1 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/include/storage/s_lock.h
View File

@ -559,6 +559,30 @@ tas(volatile slock_t *lock)
#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
* (thanks to Tom Ivar Helbekkmo)