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Ignore whitespace Rev 2745 → Rev 2746

/trunk/kernel/generic/include/proc/tasklet.h
0,0 → 1,73
/*
* Copyright (c) 2007 Jan Hudecek
* Copyright (c) 2008 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup genericproc
* @{
*/
/** @file tasklet.h
* @brief Tasklets declarations
*/
 
#ifndef KERN_TASKLET_H_
#define KERN_TASKLET_H_
 
#include <adt/list.h>
 
/** Tasklet callback type */
typedef void (* tasklet_callback_t)(void *arg);
 
/** Tasklet state */
typedef enum {
NotActive,
Scheduled,
InProgress,
Disabled
} tasklet_state_t;
 
/** Structure describing a tasklet */
typedef struct tasklet_descriptor {
link_t link;
/** Callback to call */
tasklet_callback_t callback;
/** Argument passed to the callback */
void* arg;
/** State of the tasklet */
tasklet_state_t state;
} tasklet_descriptor_t;
 
 
extern void tasklet_init(void);
 
#endif
 
/** @}
*/
/trunk/kernel/generic/src/main/main.c
57,6 → 57,7
#include <proc/scheduler.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <proc/tasklet.h>
#include <main/kinit.h>
#include <main/version.h>
#include <console/kconsole.h>
102,15 → 103,16
* the linker or the low level assembler code with
* appropriate sizes and addresses.
*/
uintptr_t hardcoded_load_address = 0; /**< Virtual address of where the kernel
* is loaded. */
size_t hardcoded_ktext_size = 0; /**< Size of the kernel code in bytes.
*/
size_t hardcoded_kdata_size = 0; /**< Size of the kernel data in bytes.
*/
uintptr_t stack_safe = 0; /**< Lowest safe stack virtual address.
*/
 
/**< Virtual address of where the kernel is loaded. */
uintptr_t hardcoded_load_address = 0;
/**< Size of the kernel code in bytes. */
size_t hardcoded_ktext_size = 0;
/**< Size of the kernel data in bytes. */
size_t hardcoded_kdata_size = 0;
/**< Lowest safe stack virtual address. */
uintptr_t stack_safe = 0;
 
void main_bsp(void);
void main_ap(void);
 
215,6 → 217,7
page_init();
tlb_init();
ddi_init();
tasklet_init();
arch_post_mm_init();
version_print();
/trunk/kernel/generic/src/proc/tasklet.c
0,0 → 1,63
/*
* Copyright (c) 2007 Jan Hudecek
* Copyright (c) 2008 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup genericproc
* @{
*/
/** @file tasklet.c
* @brief Tasklet implementation
*/
 
#include <proc/tasklet.h>
#include <synch/spinlock.h>
#include <mm/slab.h>
 
/** Spinlock protecting list of tasklets */
SPINLOCK_INITIALIZE(tasklet_lock);
 
/** Array of tasklet lists for every CPU */
tasklet_descriptor_t **tasklet_list;
 
void tasklet_init(void)
{
unsigned int i;
tasklet_list = malloc(sizeof(tasklet_descriptor_t *) * config.cpu_count, 0);
if (!tasklet_list)
panic("Error initializing tasklets");
for (i = 0; i < config.cpu_count; i++)
tasklet_list[i] = NULL;
spinlock_initialize(&tasklet_lock, "tasklet_lock");
}
 
 
/** @}
*/
/trunk/kernel/Makefile
233,6 → 233,7
generic/src/proc/thread.c \
generic/src/proc/task.c \
generic/src/proc/the.c \
generic/src/proc/tasklet.c \
generic/src/syscall/syscall.c \
generic/src/syscall/copy.c \
generic/src/mm/buddy.c \