URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [tags/] [LINUX_2_4_26_OR32/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [current.h] - Blame information for rev 1780

Go to most recent revision | Details | Compare with Previous | View Log


#ifndef _X86_64_CURRENT_H
#define _X86_64_CURRENT_H
 
#if !defined(__ASSEMBLY__) 
struct task_struct;
 
#include <asm/pda.h>
 
static inline struct task_struct *get_current(void)
{
        struct task_struct *t = read_pda(pcurrent);
        return t;
}
 
 
static inline struct task_struct *stack_current(void)
{
        struct task_struct *current;
        __asm__("andq %%rsp,%0; ":"=r" (current)
                : "0" (~(unsigned long)(THREAD_SIZE-1)));
        return current;
}
 
 
#define current get_current()
 
#else
 
#ifndef ASM_OFFSET_H
#include <asm/offset.h> 
#endif
 
#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg
 
#endif
 
#endif /* !(_X86_64_CURRENT_H) */

Line No.	Rev	Author	Line
1	1275	phoenix	`#ifndef _X86_64_CURRENT_H`
2			`#define _X86_64_CURRENT_H`
3
4			`#if !defined(__ASSEMBLY__)`
5			`struct task_struct;`
6
7			`#include <asm/pda.h>`
8
9			`static inline struct task_struct *get_current(void)`
10			`{`
11			`struct task_struct *t = read_pda(pcurrent);`
12			`return t;`
13			`}`
14
15
16			`static inline struct task_struct *stack_current(void)`
17			`{`
18			`struct task_struct *current;`
19			`__asm__("andq %%rsp,%0; ":"=r" (current)`
20			`: "0" (~(unsigned long)(THREAD_SIZE-1)));`
21			`return current;`
22			`}`
23
24
25			`#define current get_current()`
26
27			`#else`
28
29			`#ifndef ASM_OFFSET_H`
30			`#include <asm/offset.h>`
31			`#endif`
32
33			`#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg`
34
35			`#endif`
36
37			`#endif /* !(_X86_64_CURRENT_H) */`

Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [tags/] [LINUX_2_4_26_OR32/] [linux/] [linux-2.4/] [include/] [asm-x86_64/] [current.h] - Blame information for rev 1780