source: trunk/kernel/arch/ibmpc/arch.c @ 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 operations (see kern/hal-arch.h)
3 *
4 * Copyright (c) 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#include <errno.h>
24#include <types.h>
25#include <kdmsg.h>
26#include <cpu.h>
27#include <device.h>
28#include <system.h>
29
30error_t arch_cpu_init(struct cpu_s *cpu)
31{
32        cpu->arch.action = NULL;
33        return 0;
34}
35
36error_t arch_cpu_set_irq_entry(struct cpu_s *cpu, int irq_nr, struct irq_action_s *action)
37{
38        assert(cpu->arch.action == NULL && "IRQ entry has been already specified\n");
39        cpu->arch.action = action;
40        return 0;
41}
42
43error_t arch_cpu_get_irq_entry(struct cpu_s *cpu, int irq_nr, struct irq_action_s **action)
44{
45        if(cpu->arch.action == NULL)
46                return EINVAL;
47
48        cpu->arch.action->data = (void*)irq_nr;
49        *action = cpu->arch.action;
50        return 0;
51}
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