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authorPhilippe Gerum <rpm@xenomai.org>2009-10-27 22:05:31 +0100
committerMike Frysinger <vapier@gentoo.org>2009-12-15 00:15:12 -0500
commitd2685fb7b4df2850359d6ee297269a285886032d (patch)
treefada248782a4bd8e774836ee40ee0bc672bad4a8 /arch/blackfin/include/asm/ipipe_base.h
parentab843c7940394584d5ec548f443cb431c0752ca5 (diff)
Blackfin/ipipe: prepare status bitops for SMP support
Signed-off-by: Philippe Gerum <rpm@xenomai.org> Signed-off-by: Li Yi <yi.li@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/include/asm/ipipe_base.h')
-rw-r--r--arch/blackfin/include/asm/ipipe_base.h26
1 files changed, 9 insertions, 17 deletions
diff --git a/arch/blackfin/include/asm/ipipe_base.h b/arch/blackfin/include/asm/ipipe_base.h
index 490098f532a..00409201d9e 100644
--- a/arch/blackfin/include/asm/ipipe_base.h
+++ b/arch/blackfin/include/asm/ipipe_base.h
@@ -51,23 +51,15 @@
extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
-#define __ipipe_stall_root() \
- do { \
- volatile unsigned long *p = &__ipipe_root_status; \
- set_bit(0, p); \
- } while (0)
-
-#define __ipipe_test_and_stall_root() \
- ({ \
- volatile unsigned long *p = &__ipipe_root_status; \
- test_and_set_bit(0, p); \
- })
-
-#define __ipipe_test_root() \
- ({ \
- const unsigned long *p = &__ipipe_root_status; \
- test_bit(0, p); \
- })
+void __ipipe_stall_root(void);
+
+unsigned long __ipipe_test_and_stall_root(void);
+
+unsigned long __ipipe_test_root(void);
+
+void __ipipe_lock_root(void);
+
+void __ipipe_unlock_root(void);
#endif /* !__ASSEMBLY__ */