| #ifndef _ASM_CRIS_ARCH_PAGE_H | |
| #define _ASM_CRIS_ARCH_PAGE_H | |
| #ifdef __KERNEL__ | |
| #define PAGE_OFFSET KSEG_C /* kseg_c is mapped to physical ram. */ | |
| /* | |
| * Macros to convert between physical and virtual addresses. By stripiing a | |
| * selected bit it's possible to convert between KSEG_x and 0x40000000 where the | |
| * DRAM really resides. DRAM is virtually at 0xc. | |
| */ | |
| #ifndef CONFIG_ETRAXFS_SIM | |
| #define __pa(x) ((unsigned long)(x) & 0x7fffffff) | |
| #define __va(x) ((void *)((unsigned long)(x) | 0x80000000)) | |
| #else | |
| #define __pa(x) ((unsigned long)(x) & 0x3fffffff) | |
| #define __va(x) ((void *)((unsigned long)(x) | 0xc0000000)) | |
| #endif | |
| #define VM_STACK_DEFAULT_FLAGS (VM_READ | VM_WRITE | \ | |
| VM_MAYREAD | VM_MAYWRITE) | |
| #endif /* __KERNEL__ */ | |
| #endif /* _ASM_CRIS_ARCH_PAGE_H */ |