libc/kernel/arch-arm/asm/memory.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef __ASM_ARM_MEMORY_H
#define __ASM_ARM_MEMORY_H

#ifndef __ASSEMBLY__
#define UL(x) (x##UL)
#else
#define UL(x) (x)
#endif

#include <linux/compiler.h>
#include <asm/arch/memory.h>
#include <asm/sizes.h>

#ifndef TASK_SIZE
#define TASK_SIZE (CONFIG_DRAM_SIZE)
#endif

#ifndef TASK_UNMAPPED_BASE
#define TASK_UNMAPPED_BASE UL(0x00000000)
#endif

#ifndef PHYS_OFFSET
#define PHYS_OFFSET (CONFIG_DRAM_BASE)
#endif

#ifndef END_MEM
#define END_MEM (CONFIG_DRAM_BASE + CONFIG_DRAM_SIZE)
#endif

#ifndef PAGE_OFFSET
#define PAGE_OFFSET (PHYS_OFFSET)
#endif

#define MODULE_END (END_MEM)
#define MODULE_START (PHYS_OFFSET)

#ifndef CONSISTENT_DMA_SIZE
#define CONSISTENT_DMA_SIZE SZ_2M
#endif

#ifndef __virt_to_phys
#define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET)
#define __phys_to_virt(x) ((x) - PHYS_OFFSET + PAGE_OFFSET)
#endif

#define __phys_to_pfn(paddr) ((paddr) >> PAGE_SHIFT)
#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT)

#ifndef __ASSEMBLY__

#ifndef ISA_DMA_THRESHOLD
#define ISA_DMA_THRESHOLD (0xffffffffULL)
#endif

#ifndef arch_adjust_zones
#define arch_adjust_zones(node,size,holes) do { } while (0)
#endif

#define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT)

#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((unsigned long)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET
#define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
#define PHYS_TO_NID(addr) (0)
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
#ifndef __arch_page_to_dma
#define page_to_dma(dev, page) ((dma_addr_t)__virt_to_bus((unsigned long)page_address(page)))
#define dma_to_virt(dev, addr) ((void *)__bus_to_virt(addr))
#define virt_to_dma(dev, addr) ((dma_addr_t)__virt_to_bus((unsigned long)(addr)))
#else
#define page_to_dma(dev, page) (__arch_page_to_dma(dev, page))
#define dma_to_virt(dev, addr) (__arch_dma_to_virt(dev, addr))
#define virt_to_dma(dev, addr) (__arch_virt_to_dma(dev, addr))
#endif
#ifndef arch_is_coherent
#define arch_is_coherent() 0
#endif
#endif
#include <asm-generic/memory_model.h>
#endif