1570af302Sopenharmony_ci#ifndef _SYS_SYSMACROS_H 2570af302Sopenharmony_ci#define _SYS_SYSMACROS_H 3570af302Sopenharmony_ci 4570af302Sopenharmony_ci#define major(x) \ 5570af302Sopenharmony_ci ((unsigned)( (((x)>>31>>1) & 0xfffff000) | (((x)>>8) & 0x00000fff) )) 6570af302Sopenharmony_ci#define minor(x) \ 7570af302Sopenharmony_ci ((unsigned)( (((x)>>12) & 0xffffff00) | ((x) & 0x000000ff) )) 8570af302Sopenharmony_ci 9570af302Sopenharmony_ci#define makedev(x,y) ( \ 10570af302Sopenharmony_ci (((x)&0xfffff000ULL) << 32) | \ 11570af302Sopenharmony_ci (((x)&0x00000fffULL) << 8) | \ 12570af302Sopenharmony_ci (((y)&0xffffff00ULL) << 12) | \ 13570af302Sopenharmony_ci (((y)&0x000000ffULL)) ) 14570af302Sopenharmony_ci 15570af302Sopenharmony_ci#endif 16