switch_to.h File Reference

#include <arch/sim_def.h>

Go to the source code of this file.

Macros
#define	CALLEE_SAVED_FIRST_REG   30
#define	CALLEE_SAVED_REGS_COUNT   24 /* r30 to r52, plus an empty to align */
#define	prepare_arch_switch(next)   _prepare_arch_switch(next)
#define	switch_to(prev, next, last)   ((last) = _switch_to((prev), (next)))
#define	finish_arch_switch(prev)

Functions
void	_prepare_arch_switch (struct task_struct *next)
struct task_struct *	_switch_to (struct task_struct *prev, struct task_struct *next)
struct task_struct *	__switch_to (struct task_struct *prev, struct task_struct *next, unsigned long new_system_save_k_0)
unsigned long	get_switch_to_pc (void)
void	ret_from_fork (void)
struct task_struct *	sim_notify_fork (struct task_struct *prev)

Macro Definition Documentation

#define CALLEE_SAVED_FIRST_REG   30

Definition at line 26 of file switch_to.h.

#define CALLEE_SAVED_REGS_COUNT   24 /* r30 to r52, plus an empty to align */

Definition at line 27 of file switch_to.h.

#define finish_arch_switch

(

prev

)

Value:

do {                                     \
    if (unlikely((prev)->state == TASK_DEAD))                         \
        __insn_mtspr(SPR_SIM_CONTROL, SIM_CONTROL_OS_EXIT |       \
            ((prev)->pid << _SIM_CONTROL_OPERATOR_BITS));     \
    __insn_mtspr(SPR_SIM_CONTROL, SIM_CONTROL_OS_SWITCH |             \
        (current->pid << _SIM_CONTROL_OPERATOR_BITS));            \
    if (current->mm == NULL && !kstack_hash &&                        \
        current_thread_info()->homecache_cpu != smp_processor_id())   \
        homecache_migrate_kthread();                              \
} while (0)

Definition at line 57 of file switch_to.h.

#define prepare_arch_switch

(

next

)

_prepare_arch_switch(next)

Definition at line 36 of file switch_to.h.

#define switch_to	(		prev,
			next,
			last
	)		((last) = _switch_to((prev), (next)))

Definition at line 40 of file switch_to.h.

Function Documentation

struct task_struct* __switch_to ( struct task_struct *  prev, struct task_struct *  next, unsigned long  new_system_save_k_0  )

read

void _prepare_arch_switch

(

struct task_struct *

next

)

Definition at line 457 of file process.c.

struct task_struct* _switch_to ( struct task_struct *  prev, struct task_struct *  next  )

read

Definition at line 482 of file process.c.

unsigned long get_switch_to_pc

(

void

)

void ret_from_fork

(

void

)

Definition at line 375 of file process.c.

struct task_struct* sim_notify_fork ( struct task_struct *  prev )

read

Definition at line 280 of file process.c.