| 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); |
| } |
| } |
| |
| /** @} |
| */ |