diff options
Diffstat (limited to 'arch/um/include/asm/cache.h')
| -rw-r--r-- | arch/um/include/asm/cache.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h new file mode 100644 index 0000000000..5c15627348 --- /dev/null +++ b/arch/um/include/asm/cache.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __UM_CACHE_H +#define __UM_CACHE_H + + +#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT) +# define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) +#elif defined(CONFIG_UML_X86) /* 64-bit */ +# define L1_CACHE_SHIFT 6 /* Should be 7 on Intel */ +#else +/* XXX: this was taken from x86, now it's completely random. Luckily only + * affects SMP padding. */ +# define L1_CACHE_SHIFT 5 +#endif + +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#endif |