source: mainline/boot/arch/arm32/loader/asm.h@ 8ccd2ea

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 8ccd2ea was de7663f, checked in by Jakub Jermar <jakub@…>, 18 years ago

Remove some forgotten \r from arm32 files.
Formatting changes.
Add some correct BOOT_mips32_* guards.

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 * Copyright (c) 2007 Michal Kebrt
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
30/** @addtogroup arm32boot
31 * @{
32 */
33/** @file
34 * @brief Functions implemented in assembly.
35 */
36
37
38#ifndef BOOT_arm32_ASM_H
39#define BOOT_arm32_ASM_H
40
41
42/** Copies cnt bytes from dst to src.
43 *
44 * @param dst Destination address.
45 * @param src Source address.
46 * @param cnt Count of bytes to be copied.
47 */
48#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt))
49
50
51/** Called when the CPU is switched on.
52 *
53 * This function is placed to the 0x0 address where ARM CPU starts execution.
54 * Jumps to the #bootstrap only.
55 */
56extern void start(void);
57
58
59/** Jumps to the kernel entry point.
60 *
61 * @param entry Kernel entry point address.
62 * @param bootinfo Structure holding information about loaded tasks.
63 * @param bootinfo_size Size of the bootinfo structure.
64 */
65extern void jump_to_kernel(void *entry, void *bootinfo,
66 unsigned int bootinfo_size) __attribute__((noreturn));
67
68
69#endif
70
71/** @}
72 */
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