File: [local] / prex / boot / i386 / pc / platform.h (download)
Revision 1.1.1.1 (vendor branch), Tue Aug 19 12:46:47 2008 UTC (16 years ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, HEAD Changes since 1.1: +0 -0 lines
Initial import of Prex, Portable Real-time Embedded POSIX microkernel system.
I have totally new directions in my development (more focused on real hardware, not virtual one).
Old hacks are available in prex-old module. They will be carefully re-designed and merged soon.
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/*-
* Copyright (c) 2005-2006, Kohsuke Ohtani
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#ifndef _PC_PLATFORM_H
#define _PC_PLATFORM_H
#ifdef CONFIG_MMU
#define PAGE_OFFSET 0x80000000
#else
#define PAGE_OFFSET 0x00000000
#endif
#define BOOT_INFO 0x00002000
#define BOOT_INFO_SIZE 0x00000800
#define BOOT_STACK 0x00002800
#define ARCHIVE_START 0x00100000
#ifndef __ASSEMBLY__
#include <boot.h>
/*
* Page mapping
*/
#define phys_to_virt(pa) (void *)((char *)(pa) + PAGE_OFFSET)
#define virt_to_phys(va) (void *)((char *)(va) - PAGE_OFFSET)
extern void putchar(int c);
extern void setup_bootinfo(struct boot_info **);
extern void machine_panic(void);
#endif /* !__ASSEMBLY__ */
#endif /* !_PC_PLATFORM_H */