GATE_INTERRUPT = 0xE,
GATE_TRAP = 0xF,
GATE_CALL = 0xC,
+ GATE_TASK = 0x5,
};
// 16byte gate
-struct gate_struct {
+struct gate_struct64 {
u16 offset_low;
u16 segment;
unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
u32 zero1;
} __attribute__((packed));
-#define PTR_LOW(x) ((unsigned long)(x) & 0xFFFF)
-#define PTR_MIDDLE(x) (((unsigned long)(x) >> 16) & 0xFFFF)
-#define PTR_HIGH(x) ((unsigned long)(x) >> 32)
+#define PTR_LOW(x) ((unsigned long long)(x) & 0xFFFF)
+#define PTR_MIDDLE(x) (((unsigned long long)(x) >> 16) & 0xFFFF)
+#define PTR_HIGH(x) ((unsigned long long)(x) >> 32)
enum {
DESC_TSS = 0x9,
DESC_LDT = 0x2,
+ DESCTYPE_S = 0x10, /* !system */
};
// LDT or TSS descriptor in the GDT. 16 bytes.
-struct ldttss_desc {
+struct ldttss_desc64 {
u16 limit0;
u16 base0;
unsigned base1 : 8, type : 5, dpl : 2, p : 1;
u32 zero1;
} __attribute__((packed));
+#ifdef CONFIG_X86_64
+typedef struct gate_struct64 gate_desc;
+typedef struct ldttss_desc64 ldt_desc;
+typedef struct ldttss_desc64 tss_desc;
+#else
+typedef struct desc_struct gate_desc;
+typedef struct desc_struct ldt_desc;
+typedef struct desc_struct tss_desc;
+#endif
+
struct desc_ptr {
unsigned short size;
unsigned long address;