LXR uboot/arch/arm/include/asm/types.h

   1#ifndef __ASM_ARM_TYPES_H
   2#define __ASM_ARM_TYPES_H
   3
   4typedef unsigned short umode_t;
   5
   6/*
   7 * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
   8 * header files exported to user space
   9 */
  10
  11typedef __signed__ char __s8;
  12typedef unsigned char __u8;
  13
  14typedef __signed__ short __s16;
  15typedef unsigned short __u16;
  16
  17typedef __signed__ int __s32;
  18typedef unsigned int __u32;
  19
  20#if defined(__GNUC__)
  21__extension__ typedef __signed__ long long __s64;
  22__extension__ typedef unsigned long long __u64;
  23#endif
  24
  25/*
  26 * These aren't exported outside the kernel to avoid name space clashes
  27 */
  28#ifdef __KERNEL__
  29
  30typedef signed char s8;
  31typedef unsigned char u8;
  32
  33typedef signed short s16;
  34typedef unsigned short u16;
  35
  36typedef signed int s32;
  37typedef unsigned int u32;
  38
  39typedef signed long long s64;
  40typedef unsigned long long u64;
  41
  42#ifdef  CONFIG_ARM64
  43#define BITS_PER_LONG 64
  44#else   /* CONFIG_ARM64 */
  45#define BITS_PER_LONG 32
  46#endif  /* CONFIG_ARM64 */
  47
  48#ifdef CONFIG_PHYS_64BIT
  49typedef unsigned long long phys_addr_t;
  50typedef unsigned long long phys_size_t;
  51#else
  52/* DMA addresses are 32-bits wide */
  53typedef unsigned long phys_addr_t;
  54typedef unsigned long phys_size_t;
  55#endif
  56
  57/*
  58 * A dma_addr_t can hold any valid DMA address, i.e., any address returned
  59 * by the DMA API.
  60 *
  61 * If the DMA API only uses 32-bit addresses, dma_addr_t need only be 32
  62 * bits wide.  Bus addresses, e.g., PCI BARs, may be wider than 32 bits,
  63 * but drivers do memory-mapped I/O to ioremapped kernel virtual addresses,
  64 * so they don't care about the size of the actual bus addresses.
  65 */
  66#ifdef CONFIG_DMA_ADDR_T_64BIT
  67typedef unsigned long long dma_addr_t;
  68#else
  69typedef u32 dma_addr_t;
  70#endif
  71
  72#endif /* __KERNEL__ */
  73
  74#endif
  75