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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [include/] [asm-cris/] [arch-v32/] [page.h] - Rev 3
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#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 */