source: trunk/kernel/arch/tsar/arch-config.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

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1/*
2 * arch.c - architecture related configurations
3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012 Ghassan Almaless
5 * Copyright (c) 2011,2012 UPMC Sorbonne Universites
6 *
7 * This file is part of ALMOS-kernel.
8 *
9 * ALMOS-kernel is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; version 2.0 of the License.
12 *
13 * ALMOS-kernel is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with ALMOS-kernel; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23#ifndef _ARCH_CONFIG_H_
24#define _ARCH_CONFIG_H_
25
26#ifndef _CONFIG_H_
27#error This config-file is not to be included directely, use config.h instead
28#endif
29
30//////////////////////////////////////////////
31//      ARCH RELATED CONFIGURATIONS         //
32//////////////////////////////////////////////
33#define CONFIG_ARCH_NAME             "tsar"
34#define CONFIG_THREAD_PAGE_ORDER     0x1
35#define RUN_IN_PHYSICAL_MODE         yes
36#define CONFIG_PHYSICAL_BITS         40
37#define CONFIG_LOCAL_PHYSICAL_BITS   32//NUMBER of bits that are local to a cluster
38
39/* Kepping the same value for KERNEL_OFFSET allow us to
40 * have the same kernel for both mode of addressing */
41#if RUN_IN_PHYSICAL_MODE
42
43 /* kernel space allocated virtual addresses */
44 #define CONFIG_KERNEL_OFFSET         0x00000000
45 #define CONFIG_KERNEL_LIMIT          0x00003FFF //approximated may require more (if less no problem)
46 #define CONFIG_DEVREGION_SIZE        0x00000000 //empty
47 /* user space allocated virtual addresses */
48 #define CONFIG_USR_OFFSET            0x00004000
49 #define CONFIG_USR_LIMIT             0x80000000//0xFFFFFFFF
50
51#else /*!RUN_IN_PHYSICAL_MODE*/
52
53 /* kernel space allocated virtual addresses */
54 #define CONFIG_KERNEL_OFFSET         0x00000000
55 #define CONFIG_KERNEL_LIMIT          0x3FFFFFFF
56 #define CONFIG_DEVREGION_SIZE        0x00000000 //Dynamically allocated from kernel space
57 /* drivers are physically accessed !? */
58 /* user space allocated virtual addresses */
59 #define CONFIG_USR_OFFSET            0x40000000
60 #define CONFIG_USR_LIMIT             0xFFFFFFFF
61
62#endif
63
64#define CONFIG_PPN_BITS_NR                20
65#define CONFIG_TTY_ECHO_MODE              yes
66#define CONFIG_TTY_MAX_DEV_NR             32
67#define CONFIG_TTY_BUFFER_DEPTH           40
68#define CONFIG_FB_USE_DMA                 no
69#define CONFIG_ARCH_HAS_BARRIERS          no
70//////////////////////////////////////////////
71
72#endif  /* _ARCH_CONFIG_H_ */
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