tasking_helpers.h File Reference

#include "../tasking.h"

Go to the source code of this file.

Functions
void	switch_to_thread_asm (Thread *thread)
void	task_init ()
void	wait_for_unblocked_thread_asm ()
void	setup_kstack (Thread *thread, void *param1, void *param2, char kmode, void *eip)
void	free_kstack (void *stack_ptr)

Function Documentation

free_kstack()

void free_kstack

(

void *

stack_ptr

)

Frees a kernel stack so it can be used again

Parameters

stack_ptr

The kernel stack to free

setup_kstack()

void setup_kstack	(	Thread *	thread,
		void *	param1,
		void *	param2,
		char	kmode,
		void *	eip
	)

Setup a kernel stack for a thread

Parameters

thread	The thread to setup a stack for
param1	The thread's start function first parameter
param2	The thread's start function second parameter
kmode	Whether the thread is a kernel mode thread
eip	The start address of the thread

switch_to_thread_asm()

void switch_to_thread_asm

(

Thread *

thread

)

The assembly part of switching to a thread. Performs the actual context switch.

Parameters

thread

The thread to switch to.

task_init()

void task_init

(

)

Initializes a usermode task

wait_for_unblocked_thread_asm()

void wait_for_unblocked_thread_asm

(

)

An assembly helper for waiting for an unblocked thread Starts interrupts, halts, then clears interrupts.