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Diffstat (limited to 'include/asm-x86/desc_32.h')
-rw-r--r--include/asm-x86/desc_32.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/include/asm-x86/desc_32.h b/include/asm-x86/desc_32.h
index bc5ca3453466..77f1e5a4ad7c 100644
--- a/include/asm-x86/desc_32.h
+++ b/include/asm-x86/desc_32.h
@@ -3,6 +3,7 @@
3 3
4#include <asm/ldt.h> 4#include <asm/ldt.h>
5#include <asm/segment.h> 5#include <asm/segment.h>
6#include <asm/desc_defs.h>
6 7
7#ifndef __ASSEMBLY__ 8#ifndef __ASSEMBLY__
8 9
@@ -24,7 +25,7 @@ static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu)
24} 25}
25 26
26extern struct desc_ptr idt_descr; 27extern struct desc_ptr idt_descr;
27extern struct desc_struct idt_table[]; 28extern gate_desc idt_table[];
28extern void set_intr_gate(unsigned int irq, void * addr); 29extern void set_intr_gate(unsigned int irq, void * addr);
29 30
30static inline void pack_descriptor(__u32 *a, __u32 *b, 31static inline void pack_descriptor(__u32 *a, __u32 *b,
@@ -35,11 +36,11 @@ static inline void pack_descriptor(__u32 *a, __u32 *b,
35 (limit & 0x000f0000) | ((type & 0xff) << 8) | ((flags & 0xf) << 20); 36 (limit & 0x000f0000) | ((type & 0xff) << 8) | ((flags & 0xf) << 20);
36} 37}
37 38
38static inline void pack_gate(__u32 *a, __u32 *b, 39static inline void pack_gate(gate_desc *gate,
39 unsigned long base, unsigned short seg, unsigned char type, unsigned char flags) 40 unsigned long base, unsigned short seg, unsigned char type, unsigned char flags)
40{ 41{
41 *a = (seg << 16) | (base & 0xffff); 42 gate->a = (seg << 16) | (base & 0xffff);
42 *b = (base & 0xffff0000) | ((type & 0xff) << 8) | (flags & 0xff); 43 gate->b = (base & 0xffff0000) | ((type & 0xff) << 8) | (flags & 0xff);
43} 44}
44 45
45#define DESCTYPE_LDT 0x82 /* present, system, DPL-0, LDT */ 46#define DESCTYPE_LDT 0x82 /* present, system, DPL-0, LDT */
@@ -139,9 +140,9 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu)
139 140
140static inline void _set_gate(int gate, unsigned int type, void *addr, unsigned short seg) 141static inline void _set_gate(int gate, unsigned int type, void *addr, unsigned short seg)
141{ 142{
142 __u32 a, b; 143 gate_desc g;
143 pack_gate(&a, &b, (unsigned long)addr, seg, type, 0); 144 pack_gate(&g, (unsigned long)addr, seg, type, 0);
144 write_idt_entry(idt_table, gate, a, b); 145 write_idt_entry(idt_table, gate, g.a, g.b);
145} 146}
146 147
147static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, const void *addr) 148static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, const void *addr)