source: mainline/kernel/arch/amd64/src/proc/thread.c@ ddcc8a0

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since ddcc8a0 was a7220de, checked in by Jakub Jermar <jakub@…>, 15 years ago

Rewrite syscall_entry() to use the istate structure and save all GPRs in it.

  • Property mode set to 100644
File size: 1.9 KB
RevLine 
[3fa424a9]1/*
[df4ed85]2 * Copyright (c) 2006 Jakub Jermar
[3fa424a9]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
[32fffef0]29/** @addtogroup amd64proc
[b45c443]30 * @{
31 */
32/** @file
33 */
34
[3fa424a9]35#include <proc/thread.h>
[a7220de]36#include <arch/interrupt.h>
[3fa424a9]37
38/** Perform amd64 specific thread initialization.
39 *
[2ddcc7b]40 * @param thread Thread to be initialized.
41 *
[3fa424a9]42 */
[2ddcc7b]43void thread_create_arch(thread_t *thread)
[3fa424a9]44{
[2ddcc7b]45 thread->arch.tls = 0;
46 thread->arch.syscall_rsp[SYSCALL_USTACK_RSP] = 0;
47
[296426ad]48 /*
49 * Kernel RSP can be precalculated at thread creation time.
50 */
[2ddcc7b]51 thread->arch.syscall_rsp[SYSCALL_KSTACK_RSP] =
[a7220de]52 (uintptr_t) &thread->kstack[PAGE_SIZE - sizeof(istate_t)];
[3fa424a9]53}
[b45c443]54
[32fffef0]55/** @}
[b45c443]56 */
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