This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / include / asm-cris / arch-v32 / page.h
1 #ifndef _ASM_CRIS_ARCH_PAGE_H
2 #define _ASM_CRIS_ARCH_PAGE_H
3
4 #include <linux/config.h>
5
6 #ifdef __KERNEL__
7
8 #define PAGE_OFFSET KSEG_C      /* kseg_c is mapped to physical ram. */
9
10 /*
11  * Macros to convert between physical and virtual addresses. By stripiing a
12  * selected bit it's possible to convert between KSEG_x and 0x40000000 where the
13  * DRAM really resides. DRAM is virtually at 0xc.
14  */
15 #ifndef CONFIG_ETRAXFS_SIM
16 #define __pa(x) ((unsigned long)(x) & 0x7fffffff)
17 #define __va(x) ((void *)((unsigned long)(x) | 0x80000000))
18 #else
19 #define __pa(x) ((unsigned long)(x) & 0x3fffffff)
20 #define __va(x) ((void *)((unsigned long)(x) | 0xc0000000))
21 #endif
22
23 #define VM_STACK_DEFAULT_FLAGS  (VM_READ | VM_WRITE | \
24                                  VM_MAYREAD | VM_MAYWRITE)
25
26 #endif /* __KERNEL__ */
27
28 #endif /* _ASM_CRIS_ARCH_PAGE_H */