1#ifndef _ASM_CRIS_ARCH_PAGE_H 2#define _ASM_CRIS_ARCH_PAGE_H 3 4 5#ifdef __KERNEL__ 6 7#define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram. */ 8 9/* 10 * Macros to convert between physical and virtual addresses. By stripping a 11 * selected bit it's possible to convert between KSEG_x and 0x40000000 where the 12 * DRAM really resides. DRAM is virtually at 0xc. 13 */ 14#define __pa(x) ((unsigned long)(x) & 0x7fffffff) 15#define __va(x) ((void *)((unsigned long)(x) | 0x80000000)) 16 17#define VM_STACK_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ 18 VM_MAYREAD | VM_MAYWRITE) 19 20#endif /* __KERNEL__ */ 21 22#endif /* _ASM_CRIS_ARCH_PAGE_H */ 23