/*
* Copyright (c) 2007 Michal Kebrt
* 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 arm32boot
* @{
*/
/** @file
* @brief Functions implemented in assembly.
*/
#ifndef BOOT_arm32_ASM_H
#define BOOT_arm32_ASM_H
/** Copies cnt bytes from dst to src.
*
* @param dst Destination address.
* @param src Source address.
* @param cnt Count of bytes to be copied.
*/
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt))
/** Called when the CPU is switched on.
*
* This function is placed to the 0x0 address where ARM CPU starts execution.
* Jumps to the #bootstrap only.
*/
extern void start(void);
/** Jumps to the kernel entry point.
*
* @param entry Kernel entry point address.
* @param bootinfo Structure holding information about loaded tasks.
* @param bootinfo_size Size of the bootinfo structure.
*/
extern void jump_to_kernel(void *entry, void *bootinfo,
unsigned int bootinfo_size) __attribute__((noreturn));
#endif
/** @}
*/