forked from luck/tmp_suning_uos_patched
96a388de5d
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
/* Written 2000 by Andi Kleen */
|
|
#ifndef __ARCH_DESC_DEFS_H
|
|
#define __ARCH_DESC_DEFS_H
|
|
|
|
/*
|
|
* Segment descriptor structure definitions, usable from both x86_64 and i386
|
|
* archs.
|
|
*/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/types.h>
|
|
|
|
// 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));
|
|
|
|
struct n_desc_struct {
|
|
unsigned int a,b;
|
|
};
|
|
|
|
enum {
|
|
GATE_INTERRUPT = 0xE,
|
|
GATE_TRAP = 0xF,
|
|
GATE_CALL = 0xC,
|
|
};
|
|
|
|
// 16byte gate
|
|
struct gate_struct {
|
|
u16 offset_low;
|
|
u16 segment;
|
|
unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
|
|
u16 offset_middle;
|
|
u32 offset_high;
|
|
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)
|
|
|
|
enum {
|
|
DESC_TSS = 0x9,
|
|
DESC_LDT = 0x2,
|
|
};
|
|
|
|
// LDT or TSS descriptor in the GDT. 16 bytes.
|
|
struct ldttss_desc {
|
|
u16 limit0;
|
|
u16 base0;
|
|
unsigned base1 : 8, type : 5, dpl : 2, p : 1;
|
|
unsigned limit1 : 4, zero0 : 3, g : 1, base2 : 8;
|
|
u32 base3;
|
|
u32 zero1;
|
|
} __attribute__((packed));
|
|
|
|
struct desc_ptr {
|
|
unsigned short size;
|
|
unsigned long address;
|
|
} __attribute__((packed)) ;
|
|
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif
|