From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/parisc/include/asm/fixmap.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arch/parisc/include/asm/fixmap.h (limited to 'arch/parisc/include/asm/fixmap.h') diff --git a/arch/parisc/include/asm/fixmap.h b/arch/parisc/include/asm/fixmap.h new file mode 100644 index 00000000..6fec4d4a --- /dev/null +++ b/arch/parisc/include/asm/fixmap.h @@ -0,0 +1,30 @@ +#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 *parisc_vmalloc_start; +#define PCXL_DMA_MAP_SIZE (8*1024*1024) +#define VMALLOC_START ((unsigned long)parisc_vmalloc_start) +#define VMALLOC_END (KERNEL_MAP_END) +#endif /*__ASSEMBLY__*/ + +#endif /*_ASM_FIXMAP_H*/ -- cgit