source: rtems/bsps/x86_64/amd64/start/start.S @ 5f5bbd1

5
Last change on this file since 5f5bbd1 was 5f5bbd1, checked in by Sebastian Huber <sebastian.huber@…>, on Nov 16, 2018 at 7:55:30 AM

bsps/x86_64: Use interrupt stack for init stack

Update #3459.

  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 2018 embedded brains GmbH
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. 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 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27
28        .text
29        .section        .text._start,"ax",@progbits
30        .p2align 4,,15
31        .globl  _start
32        .type   _start, @function
33_start:
34        .cfi_startproc
35        movabsq $_ISR_Stack_area_end, %rsp
36        subq    $8, %rsp
37        .cfi_def_cfa_offset 16
38        xorl    %edi, %edi
39        movabsq $boot_card, %rax
40        call    *%rax
41        .cfi_endproc
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