0,0 → 1,65 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* 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 sparc64proc |
* @{ |
*/ |
/** @file |
*/ |
|
#include <proc/thread.h> |
#include <arch/proc/thread.h> |
#include <mm/frame.h> |
|
void thr_constructor_arch(thread_t *t) |
{ |
/* |
* Allocate memory for uspace_window_buffer. |
*/ |
t->arch.uspace_window_buffer = NULL; |
} |
|
void thr_destructor_arch(thread_t *t) |
{ |
if (t->arch.uspace_window_buffer) |
frame_free((uintptr_t) t->arch.uspace_window_buffer); |
} |
|
void thread_create_arch(thread_t *t) |
{ |
if ((t->flags & THREAD_FLAG_USPACE) && (!t->arch.uspace_window_buffer)) { |
/* |
* The thread needs userspace window buffer and the object |
* returned from the slab allocator doesn't have any. |
*/ |
t->arch.uspace_window_buffer = frame_alloc(ONE_FRAME, 0); |
} |
} |
|
/** @} |
*/ |