Merge commit 'v2.6.28-rc8' into x86/doc
[sfrench/cifs-2.6.git] / arch / cris / include / arch-v32 / arch / page.h
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 #ifndef CONFIG_ETRAX_VCS_SIM
15 #define __pa(x) ((unsigned long)(x) & 0x7fffffff)
16 #define __va(x) ((void *)((unsigned long)(x) | 0x80000000))
17 #else
18 #define __pa(x) ((unsigned long)(x) & 0x3fffffff)
19 #define __va(x) ((void *)((unsigned long)(x) | 0xc0000000))
20 #endif
21
22 #define VM_STACK_DEFAULT_FLAGS  (VM_READ | VM_WRITE | \
23                                  VM_MAYREAD | VM_MAYWRITE)
24
25 #endif /* __KERNEL__ */
26
27 #endif /* _ASM_CRIS_ARCH_PAGE_H */