/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 \ |