| 12345678910111213141516171819202122232425262728 |
- #ifndef _ASM_CRIS_ARCH_PAGE_H
- #define _ASM_CRIS_ARCH_PAGE_H
- #include <linux/config.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 */
|
