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Blackfin: add blackfin_invalidate_entire_icache for SMP systems

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The KGDB code uses this when switching processors to make sure the icache
is in a valid state.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Sonic Zhang
2009-06-10 08:57:08 +00:00
committed by Mike Frysinger
parent 2466ac6556
commit 47e9dedb72
6 changed files with 37 additions and 4 deletions
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11
arch/blackfin/include/asm/cache.h
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@@ -34,9 +34,13 @@
#define L1_CACHE_SHIFT_MAX 5
#if defined(CONFIG_SMP) && \
!defined(CONFIG_BFIN_CACHE_COHERENT) && \
defined(CONFIG_BFIN_DCACHE)
#define __ARCH_SYNC_CORE_DCACHE
!defined(CONFIG_BFIN_CACHE_COHERENT)
# if defined(CONFIG_BFIN_ICACHE)
# define __ARCH_SYNC_CORE_ICACHE
# endif
# if defined(CONFIG_BFIN_DCACHE)
# define __ARCH_SYNC_CORE_DCACHE
# endif
#ifndef __ASSEMBLY__
asmlinkage void __raw_smp_mark_barrier_asm(void);
asmlinkage void __raw_smp_check_barrier_asm(void);
@@ -51,6 +55,7 @@ static inline void smp_check_barrier(void)
}
void resync_core_dcache(void);
void resync_core_icache(void);
#endif
#endif