| #ifndef _ASM_FIXMAP_H | |
| #define _ASM_FIXMAP_H | |
| /* | |
| * This file defines the locations of the fixed mappings on parisc. | |
| * | |
| * All of the values in this file are machine virtual addresses. | |
| * | |
| * All of the values in this file must be <4GB (because of assembly | |
| * loading restrictions). If you place this region anywhere above | |
| * __PAGE_OFFSET, you must adjust the memory map accordingly */ | |
| /* The alias region is used in kernel space to do copy/clear to or | |
| * from areas congruently mapped with user space. It is 8MB large | |
| * and must be 16MB aligned */ | |
| #define TMPALIAS_MAP_START ((__PAGE_OFFSET) - 16*1024*1024) | |
| /* This is the kernel area for all maps (vmalloc, dma etc.) most | |
| * usually, it extends up to TMPALIAS_MAP_START. Virtual addresses | |
| * 0..GATEWAY_PAGE_SIZE are reserved for the gateway page */ | |
| #define KERNEL_MAP_START (GATEWAY_PAGE_SIZE) | |
| #define KERNEL_MAP_END (TMPALIAS_MAP_START) | |
| #ifndef __ASSEMBLY__ | |
| extern void *vmalloc_start; | |
| #define PCXL_DMA_MAP_SIZE (8*1024*1024) | |
| #define VMALLOC_START ((unsigned long)vmalloc_start) | |
| #define VMALLOC_END (KERNEL_MAP_END) | |
| #endif /*__ASSEMBLY__*/ | |
| #endif /*_ASM_FIXMAP_H*/ |