diff options
Diffstat (limited to 'arch/x86_64/bits/sysmacros.h')
| -rw-r--r-- | arch/x86_64/bits/sysmacros.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/bits/sysmacros.h b/arch/x86_64/bits/sysmacros.h new file mode 100644 index 00000000..da29022d --- /dev/null +++ b/arch/x86_64/bits/sysmacros.h @@ -0,0 +1,7 @@ +#define major(x) (((x) >> 8) & 0xff) +#define minor(x) ((x) & 0xff) +#define makedev(x,y) (((x)<<8)|((y)&0xff)) + +//#define makedev(x,y) \ +// ((x)*0x100000001ULL)&(0xfffffffffff0) +// ((y)*0x1001 & 0xffff0ff) |