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Treat _RUMPKERNEL like a __HAVE_UCAS_FULL platform. Add a comment 

explaining what's going on.  Fixes librump build on sparc.
This commit is contained in:
thorpej 2019-04-06 15:52:35 +00:00
parent 115bc67048
commit d4126f8d80
1 changed files with 12 additions and 4 deletions
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16
sys/kern/subr_copy.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_copy.c,v 1.9 2019/04/06 03:06:28 thorpej Exp $ */
/* $NetBSD: subr_copy.c,v 1.10 2019/04/06 15:52:35 thorpej Exp $ */
/*-
* Copyright (c) 1997, 1998, 1999, 2002, 2007, 2008, 2019
@ -80,7 +80,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_copy.c,v 1.9 2019/04/06 03:06:28 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_copy.c,v 1.10 2019/04/06 15:52:35 thorpej Exp $");
#define __UFETCHSTORE_PRIVATE
#define __UCAS_PRIVATE
@ -375,7 +375,15 @@ do { \
} while (/*CONSTCOND*/0)
#endif /* __NO_STRICT_ALIGNMENT */
#ifndef __HAVE_UCAS_FULL
/*
* __HAVE_UCAS_FULL platforms provide _ucas_32() and _ucas_64() themselves.
* _RUMPKERNEL also provides it's own _ucas_32() and _ucas_64().
*
* In all other cases, we provide generic implementations that work on
* all platforms.
*/
#if !defined(__HAVE_UCAS_FULL) && !defined(_RUMPKERNEL)
#if !defined(__HAVE_UCAS_MP) && defined(MULTIPROCESSOR)
#include <sys/atomic.h>
#include <sys/cpu.h>
@ -522,7 +530,7 @@ _ucas_64(volatile uint64_t *uaddr, uint64_t old, uint64_t new, uint64_t *ret)
return error;
}
#endif /* _LP64 */
#endif /* ! __HAVE_UCAS_FULL */
#endif /* ! __HAVE_UCAS_FULL && ! _RUMPKERNEL */
int
ucas_32(volatile uint32_t *uaddr, uint32_t old, uint32_t new, uint32_t *ret)