100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
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#ifndef __COMMON_H_
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#define __COMMON_H_ 1
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#undef _LINUX_CONFIG_H
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#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
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#ifndef __ASSEMBLY__ /* put C only stuff in this section */
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typedef unsigned char uchar;
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typedef volatile unsigned long vu_long;
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typedef volatile unsigned short vu_short;
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typedef volatile unsigned char vu_char;
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#include <config.h>
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#include <linux/types.h>
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#include <stdarg.h>
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#include <asm/u-boot.h> /* boot information for Linux kernel */
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//#include <asm/global_data.h> /* global data used for startup functions */
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#ifdef CONFIG_ARM
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# include <asm/u-boot-arm.h> /* ARM version to be fixed! */
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#endif /* CONFIG_ARM */
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/*
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* abs() handles unsigned and signed longs, ints, shorts and chars. For all
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* input types abs() returns a signed long.
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* abs() should not be used for 64-bit types (s64, u64, long long) - use abs64()
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* for those.
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*/
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#define abs(x) ({ \
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long ret; \
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if (sizeof(x) == sizeof(long)) { \
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long __x = (x); \
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ret = (__x < 0) ? -__x : __x; \
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} else { \
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int __x = (x); \
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ret = (__x < 0) ? -__x : __x; \
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} \
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ret; \
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})
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#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
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#define rounddown(x, y) ( \
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{ \
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typeof(x) __x = (x); \
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__x - (__x % (y)); \
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} \
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)
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#define min(a, b) ((a) < (b) ? (a) : (b))
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#define max(a, b) ((a) > (b) ? (a) : (b))
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#define __WARN() printf("warning @ %s: %d\n", __func__, __LINE__)
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#define WARN_ON(condition) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN(); \
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unlikely(__ret_warn_on); \
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})
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#define error(fmt, args...) do { \
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printf("ERROR: " fmt "\nat %s:%d/%s()\n", \
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##args, __FILE__, __LINE__, __func__); \
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} while (0)
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#ifndef BUG
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#ifdef CONFIG_SOC_UIS8520
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#define BUG() do { \
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dmc_printk("FAIL: bug at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
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panic("BUG!"); \
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} while (0)
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#else
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#define BUG() do { \
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printf("FAIL: bug at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \
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panic("BUG!"); \
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} while (0)
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#endif
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#define BUG_ON(cdt) do { if (unlikely((cdt)!=0)) BUG(); } while(0)
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#endif /* BUG */
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#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
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#endif /* __ASSEMBLY__ */
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif /* __COMMON_H_ */
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