diff options
Diffstat (limited to 'cpu-i386.h')
-rw-r--r-- | cpu-i386.h | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -48,6 +48,23 @@ #define R_FS 4 #define R_GS 5 +/* segment descriptor fields */ +#define DESC_G_MASK (1 << 23) +#define DESC_B_MASK (1 << 22) +#define DESC_AVL_MASK (1 << 20) +#define DESC_P_MASK (1 << 15) +#define DESC_DPL_SHIFT 13 +#define DESC_S_MASK (1 << 12) +#define DESC_TYPE_SHIFT 8 +#define DESC_A_MASK (1 << 8) + +#define DESC_CS_MASK (1 << 11) +#define DESC_C_MASK (1 << 10) +#define DESC_R_MASK (1 << 9) + +#define DESC_E_MASK (1 << 10) +#define DESC_W_MASK (1 << 9) + /* eflags masks */ #define CC_C 0x0001 #define CC_P 0x0004 |