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kthacker6de67752006-04-17 15:02:26 +00001/*
2 * Copyright (c) 2003, Adam Dunkels.
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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following
12 * disclaimer in the documentation and/or other materials provided
13 * with the distribution.
14 * 3. All advertising materials mentioning features or use of this
15 * software must display the following acknowledgement:
16 * This product includes software developed by Adam Dunkels.
17 * 4. The name of the author may not be used to endorse or promote
18 * products derived from this software without specific prior
19 * written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
31 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * This file is part of the Contiki desktop OS
34 *
35 * $Id: loader-arch.c.old,v 1.1 2006/04/17 15:02:38 kthacker Exp $
36 *
37 */
38
39#include <stdlib.h>
40#include <modload.h>
41
42#ifndef NULL
43#define NULL (void *)0
44#endif /* NULL */
45
46#include "cpc-fs.h"
47
48#include "loader.h"
49
50#include "loader-arch.h"
51
52struct loader_arch_hdr {
53 char arch[8];
54 char version[8];
55
56 char initfunc[1];
57};
58
59/*-----------------------------------------------------------------------------------*/
60/* load(name)
61 *
62 * Loads a program from disk and executes it. Code originally written by
63 * Ullrich von Bassewitz.
64 */
65/*-----------------------------------------------------------------------------------*/
66static unsigned char
67load(const char *name)
68{
69 unsigned char res;
70 int ret;
71
72 /* Now open the file */
73 ret = cpc_fs_open(name);
74 if(ret < 0) {
75 /* Could not open the file, display an error and return */
76 /* ### */
77 return LOADER_ERR_OPEN;
78 }
79/* ctrl.callerdata = (int)&file; */
80
81 /* Load the module */
82 res = cpc_fs_read();
83
84 /* Close the input file */
85 cpc_fs_close();
86
87 /* Check the return code */
88 if(res != MLOAD_OK) {
89 /* Wrong module, out of memory or whatever. Print an error
90 * message and return.
91 */
92 /* ### */
93 return res;
94 }
95
96 /* We've successfully loaded the module. */
97
98 return LOADER_OK;
99}
100/*-----------------------------------------------------------------------------------*/
101unsigned char
102loader_arch_load(const char *name, char *arg)
103{
104 unsigned char r;
105 struct loader_arch_hdr *hdr;
106
107 r = load(name);
108 if(r != MLOAD_OK) {
109 return r;
110 }
111// hdr = (struct loader_arch_hdr *)ctrl.module;
112
113 /* Check the program header and see that version and architecture
114 matches. */
115
116 /* Call the init function. */
117
118 ((void (*)(char *))hdr->initfunc)(arg);
119
120 return LOADER_OK;
121}
122/*-----------------------------------------------------------------------------------*/
123struct dsc *
124loader_arch_load_dsc(const char *name)
125{
126 unsigned char r;
127
128 r = load(name);
129 if(r == MLOAD_OK) {
130 return (struct dsc *)ctrl.module;
131 }
132 return NULL;
133}
134/*-----------------------------------------------------------------------------------*/
135void
136loader_arch_free(void *addr)
137{
138 mod_free(addr);
139}
140/*-----------------------------------------------------------------------------------*/
141