diff options
Diffstat (limited to 'include/asm-x86/desc_defs.h')
-rw-r--r-- | include/asm-x86/desc_defs.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h index 089004070099..de47eb0a23aa 100644 --- a/include/asm-x86/desc_defs.h +++ b/include/asm-x86/desc_defs.h @@ -11,17 +11,26 @@ #include <linux/types.h> +/* + * FIXME: Acessing the desc_struct through its fields is more elegant, + * and should be the one valid thing to do. However, a lot of open code + * still touches the a and b acessors, and doing this allow us to do it + * incrementally. We keep the signature as a struct, rather than an union, + * so we can get rid of it transparently in the future -- glommer + */ // 8 byte segment descriptor struct desc_struct { - u16 limit0; - u16 base0; - unsigned base1 : 8, type : 4, s : 1, dpl : 2, p : 1; - unsigned limit : 4, avl : 1, l : 1, d : 1, g : 1, base2 : 8; -} __attribute__((packed)); + union { + struct { unsigned int a, b; }; + struct { + u16 limit0; + u16 base0; + unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1; + unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8; + }; -struct n_desc_struct { - unsigned int a,b; -}; + }; +} __attribute__((packed)); enum { GATE_INTERRUPT = 0xE, |