source: trunk/kernel/arch/ibmpc/arch.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.h - architecture specific implementation of kernel's HAL
3 * (see kern/hal-arch.h)
4 *
5 * Copyright (c) 2008,2009,2010,2011,2012 Ghassan Almaless
6 * Copyright (c) 2011,2012 UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-kernel.
9 *
10 * ALMOS-kernel is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-kernel is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-kernel; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#ifndef _ARCH_H_
25#define _ARCH_H_
26
27#include <config.h>
28#include <segmentation.h>
29#include <types.h>
30
31#ifndef _HAL_ARCH_H_
32#error arch.h connot be included directly, use system.h instead
33#endif
34
35/* CPUs/CLUSTERs Numbers */
36#define CACHE_LINE_SIZE   CONFIG_CACHE_LINE_SIZE
37#define __CPU_NR          CONFIG_CPU_NR
38#define __CPUs            CONFIG_CPU_PER_CLUSTER_NR
39#define __CLUSTER_NR      CONFIG_CLUSTER_NR
40#define __CPU_BITS_NR     CONFIG_CPU_BITS_NR
41#define __CLUSTER_BITS_NR CONFIG_CLUSTER_BITS_NR
42#define __PAGE_SIZE       CONFIG_CACHE_LINE_SIZE
43
44#undef CPU_NR
45#undef CLUSTER_NR
46#undef CPU_PER_CLUSTER
47#undef GET_CPU_ID
48#undef GET_CLUSTER_ID
49#undef MAKE_CPU_ID
50
51#define CPU_NR                      __CPU_NR
52#define CLUSTER_NR                  __CLUSTER_NR
53#define CPU_PER_CLUSTER             __CPUs
54#define GET_CPU_ID(_cpu_id)         ((_cpu_id) & (__CPU_NR - 1))
55#define GET_CLUSTER_ID(_cpu_id)     ((_cpu_id) >> __CPU_BITS_NR)
56#define MAKE_CPU_ID(_cluster,_cpu)  (((_cluster) << __CPU_BITS_NR) | (_cpu))
57
58/* Timer parameters macros */
59#undef TIC
60#undef CYCLES_PER_SECOND
61
62#define TIC                 40000
63#define CYCLES_PER_SECOND   200000
64#define ALPHA               20
65
66/* Structures definitions */
67struct irq_action_s;
68
69struct arch_cpu_s
70{
71        struct irq_action_s *action;
72};
73
74#endif  /* _ARCH_H_ */
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