Release 4.14 arch/um/include/asm/processor-generic.h

/* 
 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#ifndef __UM_PROCESSOR_GENERIC_H

#define __UM_PROCESSOR_GENERIC_H

struct pt_regs;

struct task_struct;

#include <asm/ptrace.h>
#include <registers.h>
#include <sysdep/archsetjmp.h>

#include <linux/prefetch.h>

struct mm_struct;


struct thread_struct {
	
struct pt_regs regs;
	
struct pt_regs *segv_regs;
	
int singlestep_syscall;
	
void *fault_addr;
	
jmp_buf *fault_catcher;
	
struct task_struct *prev_sched;
	
struct arch_thread arch;
	
jmp_buf switch_buf;
	struct {
		
int op;
		union {
			struct {
				
int pid;
			

} fork, exec;
			struct {
				
int (*proc)(void *);
				
void *arg;
			
} thread;
			struct {
				
void (*proc)(void *);
				
void *arg;
			
} cb;
		
} u;
	
} request;
};


#define INIT_THREAD \
{ \
        .regs                   = EMPTY_REGS,   \
        .fault_addr             = NULL, \
        .prev_sched             = NULL, \
        .arch                   = INIT_ARCH_THREAD, \
        .request                = { 0 } \
}



static inline void release_thread(struct task_struct *task)
{
}

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#define init_stack	(init_thread_union.stack)

/*
 * User space process size: 3GB (default).
 */
extern unsigned long task_size;


#define TASK_SIZE (task_size)


#undef STACK_TOP

#undef STACK_TOP_MAX

extern unsigned long stacksizelim;


#define STACK_ROOM	(stacksizelim)

#define STACK_TOP	(TASK_SIZE - 2 * PAGE_SIZE)

#define STACK_TOP_MAX	STACK_TOP

/* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */

#define TASK_UNMAPPED_BASE	(0x40000000)

extern void start_thread(struct pt_regs *regs, unsigned long entry, 
			 unsigned long stack);


struct cpuinfo_um {
	
unsigned long loops_per_jiffy;
	
int ipi_pipe[2];
};

extern struct cpuinfo_um boot_cpu_data;


#define cpu_data (&boot_cpu_data)

#define current_cpu_data boot_cpu_data


#define KSTK_REG(tsk, reg) get_thread_reg(reg, &tsk->thread.switch_buf)
extern unsigned long get_wchan(struct task_struct *p);

#endif
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Jeff Dike
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9
56.25%
David Howells
23
9.13%
1
6.25%
Richard Weinberger
9
3.57%
3
18.75%
Allan Graves
3
1.19%
1
6.25%
Al Viro
3
1.19%
1
6.25%
Paolo 'Blaisorblade' Giarrusso
2
0.79%
1
6.25%
Total
252
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16
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Directory: arch/um/include/asm

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