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| author |   Philippe Gerum <rpm@xenomai.org> | 2009-10-27 22:05:31 +0100 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2009-12-15 00:15:12 -0500 |
| commit | d2685fb7b4df2850359d6ee297269a285886032d (patch) | |
| tree | fada248782a4bd8e774836ee40ee0bc672bad4a8 /arch/blackfin/include/asm/ipipe_base.h | |
| parent | Blackfin: add support for the Acvilon BF561 board (diff) | |
| download | linux-dev-d2685fb7b4df2850359d6ee297269a285886032d.tar.xz linux-dev-d2685fb7b4df2850359d6ee297269a285886032d.zip | |
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.h | 26 |
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 490098f532a7..00409201d9ed 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__ */ |