- 根目录:
- arch
- metag
- include
- asm
- cache.h
#ifndef __ASM_METAG_CACHE_H
#define __ASM_METAG_CACHE_H
/* L1 cache line size (64 bytes) */
#define L1_CACHE_SHIFT 6
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
/* Meta requires large data items to be 8 byte aligned. */
#define ARCH_SLAB_MINALIGN 8
/*
* With an L2 cache, we may invalidate dirty lines, so we need to ensure DMA
* buffers have cache line alignment.
*/
#ifdef CONFIG_METAG_L2C
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#else
#define ARCH_DMA_MINALIGN 8
#endif
#define __read_mostly __attribute__((__section__(".data..read_mostly")))
#endif