uspace/libc/arch/ia64/src/thread.c

   1 /*
   2  * Copyright (c) 2006 Ondrej Palkovsky
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup libcia64 ia64
  30   * @brief ia64 architecture dependent parts of libc
  31   * @ingroup lc
  32  * @{
  33  */
  34 /** @file
  35  */
  36
  37 #include <thread.h>
  38 #include <malloc.h>
  39
  40 /** Allocate TLS & TCB for initial module threads
  41  *
  42  * @param data Start of data section
  43  * @return pointer to tcb_t structure
  44  */
  45 extern char _tdata_start;
  46 extern char _tbss_end;
  47 tcb_t * __alloc_tls(void **data, size_t size)
  48 {
  49         tcb_t *tcb;
  50
  51 /*      ASSERT(sizeof(tcb_t) == 16); */
  52
  53         tcb = malloc(sizeof(tcb_t) + size);
  54         *data = ((void *) tcb) + 16;
  55
  56         return tcb;
  57 }
  58
  59 void __free_tls_arch(tcb_t *tcb, size_t size)
  60 {
  61         free(tcb);
  62 }
  63
  64 /** @}
  65  */