source: mainline/boot/arch/mips32/include/arch.h@ 9120b69

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 9120b69 was a4f959b, checked in by Jakub Jermar <jakub@…>, 13 years ago

Use the YAMON print_count subroutine to implement putchar.

  • Property mode set to 100644
File size: 2.5 KB
Line 
1/*
2 * Copyright (c) 2006 Martin Decky
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#ifndef BOOT_mips32_ARCH_H_
30#define BOOT_mips32_ARCH_H_
31
32#define PAGE_WIDTH 14
33#define PAGE_SIZE (1 << PAGE_WIDTH)
34
35#if defined(MACHINE_msim)
36#define CPUMAP_OFFSET 0x00001000
37#define STACK_OFFSET 0x00002000
38#define BOOTINFO_OFFSET 0x00003000
39#define BOOT_OFFSET 0x00100000
40#define LOADER_OFFSET 0x1fc00000
41
42#define MSIM_VIDEORAM_ADDRESS 0xb0000000
43#define MSIM_DORDER_ADDRESS 0xb0000100
44#endif
45
46#if defined(MACHINE_lmalta) || defined(MACHINE_bmalta)
47#define CPUMAP_OFFSET 0x00100000
48#define STACK_OFFSET 0x00101000
49#define BOOTINFO_OFFSET 0x00102000
50#define BOOT_OFFSET 0x00200000
51#define LOADER_OFFSET 0x00103000
52
53#define YAMON_SUBR_BASE PA2KA(0x1fc00500)
54#define YAMON_SUBR_PRINT_COUNT (YAMON_SUBR_BASE + 0x4)
55#endif
56
57#ifndef __ASM__
58 #define PA2KA(addr) (((uintptr_t) (addr)) + 0x80000000)
59 #define PA2KSEG(addr) (((uintptr_t) (addr)) + 0xa0000000)
60 #define KA2PA(addr) (((uintptr_t) (addr)) - 0x80000000)
61 #define KSEG2PA(addr) (((uintptr_t) (addr)) - 0xa0000000)
62#else
63 #define PA2KA(addr) ((addr) + 0x80000000)
64 #define KSEG2PA(addr) ((addr) - 0xa0000000)
65#endif
66
67#endif
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