mirror of https://gitee.com/openkylin/linux.git
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/*
|
|
* include/asm-blackfin/cache.h
|
|
*/
|
|
#ifndef __ARCH_BLACKFIN_CACHE_H
|
|
#define __ARCH_BLACKFIN_CACHE_H
|
|
|
|
/*
|
|
* Bytes per L1 cache line
|
|
* Blackfin loads 32 bytes for cache
|
|
*/
|
|
#define L1_CACHE_SHIFT 5
|
|
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
|
|
#define SMP_CACHE_BYTES L1_CACHE_BYTES
|
|
|
|
#ifdef CONFIG_SMP
|
|
#define __cacheline_aligned
|
|
#else
|
|
#define ____cacheline_aligned
|
|
|
|
/*
|
|
* Put cacheline_aliged data to L1 data memory
|
|
*/
|
|
#ifdef CONFIG_CACHELINE_ALIGNED_L1
|
|
#define __cacheline_aligned \
|
|
__attribute__((__aligned__(L1_CACHE_BYTES), \
|
|
__section__(".data_l1.cacheline_aligned")))
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/*
|
|
* largest L1 which this arch supports
|
|
*/
|
|
#define L1_CACHE_SHIFT_MAX 5
|
|
|
|
#if defined(CONFIG_SMP) && \
|
|
!defined(CONFIG_BFIN_CACHE_COHERENT)
|
|
# if defined(CONFIG_BFIN_ICACHEABLE) || defined(CONFIG_BFIN_L2_ICACHEABLE)
|
|
# define __ARCH_SYNC_CORE_ICACHE
|
|
# endif
|
|
# if defined(CONFIG_BFIN_DCACHEABLE) || defined(CONFIG_BFIN_L2_DCACHEABLE)
|
|
# define __ARCH_SYNC_CORE_DCACHE
|
|
# endif
|
|
#ifndef __ASSEMBLY__
|
|
asmlinkage void __raw_smp_mark_barrier_asm(void);
|
|
asmlinkage void __raw_smp_check_barrier_asm(void);
|
|
|
|
static inline void smp_mark_barrier(void)
|
|
{
|
|
__raw_smp_mark_barrier_asm();
|
|
}
|
|
static inline void smp_check_barrier(void)
|
|
{
|
|
__raw_smp_check_barrier_asm();
|
|
}
|
|
|
|
void resync_core_dcache(void);
|
|
void resync_core_icache(void);
|
|
#endif
|
|
#endif
|
|
|
|
|
|
#endif
|