diff options
Diffstat (limited to 'libc/kernel/arch-arm/asm/memory.h')
-rw-r--r-- | libc/kernel/arch-arm/asm/memory.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/libc/kernel/arch-arm/asm/memory.h b/libc/kernel/arch-arm/asm/memory.h new file mode 100644 index 0000000..c1137a7 --- /dev/null +++ b/libc/kernel/arch-arm/asm/memory.h @@ -0,0 +1,95 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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 |