blob: 7cae2e6dc89c30de342a212ce7a9241534fc8bba [file] [log] [blame]
#ifndef STDDEF_H
#define STDDEF_H
#include <commonlib/helpers.h>
typedef long ptrdiff_t;
#ifndef __SIZE_TYPE__
#define __SIZE_TYPE__ unsigned long
#endif
typedef __SIZE_TYPE__ size_t;
/* There is a GCC macro for a size_t type, but not
* for a ssize_t type. Below construct tricks GCC
* into making __SIZE_TYPE__ signed.
*/
#define unsigned signed
typedef __SIZE_TYPE__ ssize_t;
#undef unsigned
typedef int wchar_t;
typedef unsigned int wint_t;
#define NULL ((void *)0)
/* The devicetree data structures are only mutable in ramstage. All other
stages have a constant devicetree. */
#if !ENV_PAYLOAD_LOADER
#define DEVTREE_EARLY 1
#else
#define DEVTREE_EARLY 0
#endif
#if DEVTREE_EARLY
#define DEVTREE_CONST const
#else
#define DEVTREE_CONST
#endif
/* Work around non-writable data segment in execute-in-place romstage on x86. */
#if defined(__PRE_RAM__) && CONFIG(ARCH_X86)
#define MAYBE_STATIC
#else
#define MAYBE_STATIC static
#endif
#ifndef __ROMCC__
/* Provide a pointer to address 0 that thwarts any "accessing this is
* undefined behaviour and do whatever" trickery in compilers.
* Use when you _really_ need to read32(zeroptr) (ie. read address 0).
*/
extern char zeroptr[];
#endif
#endif /* STDDEF_H */