1 /* This file is part of the program psim.
3 Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #include "hw-device.h"
25 #include "hw-properties.h"
35 hw_unit_address (struct hw *me)
37 return &me->unit_address_of_hw;
45 hw_ioctl (struct hw *me,
46 hw_ioctl_request request,
51 va_start(ap, request);
52 status = me->to_ioctl (me, request, ap);
57 /* Mechanism for associating allocated memory regions to a device.
58 When a device is deleted any remaining memory regions are also
61 FIXME: Perhaphs this can be generalized, perhaphs it should not
64 struct hw_alloc_data {
67 struct hw_alloc_data *next;
71 hw_zalloc (struct hw *me, unsigned long size)
73 struct hw_alloc_data *memory = ZALLOC (struct hw_alloc_data);
74 memory->alloc = zalloc (size);
76 memory->next = me->alloc_of_hw;
77 me->alloc_of_hw = memory;
82 hw_malloc (struct hw *me, unsigned long size)
84 struct hw_alloc_data *memory = ZALLOC (struct hw_alloc_data);
85 memory->alloc = zalloc (size);
87 memory->next = me->alloc_of_hw;
88 me->alloc_of_hw = memory;
93 hw_free (struct hw *me,
96 struct hw_alloc_data **memory;
97 for (memory = &me->alloc_of_hw;
99 memory = &(*memory)->next)
101 if ((*memory)->alloc == alloc)
103 struct hw_alloc_data *die = (*memory);
104 (*memory) = die->next;
113 hw_abort (me, "free of memory not belonging to a device");
117 hw_free_all (struct hw *me)
119 while (me->alloc_of_hw != NULL)
121 hw_free (me, me->alloc_of_hw->alloc);
126 hw_strdup (struct hw *me, const char *str)
130 char *dup = hw_zalloc (me, strlen (str) + 1);