[src/trunk]: src/sys/arch/arm/include Add __lwp_getprivate_fast

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9c568d88f256
branches:  trunk
changeset: 763928:9c568d88f256
user:      matt <matt%NetBSD.org@localhost>
date:      Thu Apr 07 10:20:29 2011 +0000

description:
Add __lwp_getprivate_fast

diffstat:

 sys/arch/arm/include/mcontext.h |  10 +++++++++-
 sys/arch/arm/include/types.h    |   3 ++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diffs (39 lines):

diff -r 4d0e927bed60 -r 9c568d88f256 sys/arch/arm/include/mcontext.h
--- a/sys/arch/arm/include/mcontext.h   Thu Apr 07 10:07:11 2011 +0000
+++ b/sys/arch/arm/include/mcontext.h   Thu Apr 07 10:20:29 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mcontext.h,v 1.8 2011/02/24 04:28:45 joerg Exp $       */
+/*     $NetBSD: mcontext.h,v 1.9 2011/04/07 10:20:29 matt Exp $        */
 
 /*-
  * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
@@ -109,4 +109,12 @@
 
 #define        __UCONTEXT_SIZE 256
 
+static __inline void *
+__lwp_getprivate_fast(void)
+{
+       void *rv;
+       __asm("mrc p15, 0, %0, c13, c0, 3" : "=r"(rv));
+       return rv;
+}
+
 #endif /* !_ARM_MCONTEXT_H_ */
diff -r 4d0e927bed60 -r 9c568d88f256 sys/arch/arm/include/types.h
--- a/sys/arch/arm/include/types.h      Thu Apr 07 10:07:11 2011 +0000
+++ b/sys/arch/arm/include/types.h      Thu Apr 07 10:20:29 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: types.h,v 1.18 2010/12/22 01:04:23 matt Exp $  */
+/*     $NetBSD: types.h,v 1.19 2011/04/07 10:20:29 matt Exp $  */
 
 /*
  * Copyright (c) 1990 The Regents of the University of California.
@@ -84,6 +84,7 @@
 #define        __HAVE_SYSCALL_INTERN
 #define        __HAVE_MINIMAL_EMUL
 #define __HAVE_CPU_DATA_FIRST
+#define        __HAVE___LWP_GETPRIVATE_FAST
 
 #if defined(_KERNEL)
 #define        __HAVE_RAS