1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <fileio.h>
#include <kernel.h>
#include <of.h>
#include <sys/socket.h>
extern int vsprintf(char *, const char *, va_list);
extern void _exit(int status);
void exit(int status);
int open(const char* name, int flags)
{
int fd;
/* search free file descriptor */
for (fd=0; fd<FILEIO_MAX; ++fd) {
if(fd_array[fd].type == FILEIO_TYPE_EMPTY) {
break;
}
}
if (fd == FILEIO_MAX) {
printf("Can not open \"%s\" because file descriptor list is full\n", name);
/* there is no free file descriptor available */
return -2;
}
fd_array[fd].ih = of_open(name);
if (fd_array[fd].ih == 0)
return -1;
fd_array[fd].type = FILEIO_TYPE_FILE;
return fd;
}
int pre_open_ih(int fd, ihandle_t ih)
{
if (fd_array[fd].type != FILEIO_TYPE_EMPTY)
return -2;
fd_array[fd].ih = ih;
fd_array[fd].type = FILEIO_TYPE_FILE;
return fd;
}
int socket(int domain, int type, int proto, char *mac_addr)
{
uint8_t tmpbuf[8];
int fd;
phandle_t ph;
/* search free file descriptor */
for (fd=0; fd<FILEIO_MAX; ++fd) {
if(fd_array[fd].type == FILEIO_TYPE_EMPTY) {
break;
}
}
if (fd == FILEIO_MAX) {
printf("Can not open socket, file descriptor list is full\n");
/* there is no free file descriptor available */
return -2;
}
fd_array[fd].ih = of_interpret_1("my-parent", tmpbuf);
if (fd_array[fd].ih == 0) {
printf("Can not open socket, no parent instance\n");
return -1;
}
ph = of_instance_to_package(fd_array[fd].ih);
if (ph == -1) {
printf("Can not open socket, no parent package\n");
return -1;
}
if (of_get_mac(ph, mac_addr) < 0) {
printf("Can not open socket, no MAC address\n");
return -1;
}
fd_array[fd].type = FILEIO_TYPE_SOCKET;
return fd;
}
int close(int fd)
{
if (fd < 0 || fd >= FILEIO_MAX ||
fd_array[fd].type == FILEIO_TYPE_EMPTY)
return -1;
if (fd_array[fd].type == FILEIO_TYPE_FILE)
of_close(fd_array[fd].ih);
fd_array[fd].type = FILEIO_TYPE_EMPTY;
return 0;
}
ssize_t read(int fd, void *buf, size_t len)
{
if (fd < 0 || fd >= FILEIO_MAX ||
fd_array[fd].type == FILEIO_TYPE_EMPTY)
return -1;
return of_read(fd_array[fd].ih, buf, len);
}
ssize_t write (int fd, const void *buf, size_t len)
{
char dest_buf[512];
char *dest_buf_ptr;
const char *dbuf = buf;
size_t i;
if (fd == 1 || fd == 2) {
dest_buf_ptr = &dest_buf[0];
for (i = 0; i < len && i < 256; i++)
{
*dest_buf_ptr++ = *dbuf++;
if (dbuf[-1] == '\n')
*dest_buf_ptr++ = '\r';
}
len = dest_buf_ptr - &dest_buf[0];
buf = &dest_buf[0];
}
if(fd < 0 || fd >= FILEIO_MAX ||
fd_array[fd].type == FILEIO_TYPE_EMPTY)
return -1;
return of_write(fd_array[fd].ih, (void *)buf, len);
}
ssize_t lseek (int fd, long offset, int whence)
{
return 0; // this syscall is unused !!!
#if 0
if (whence != 0)
return -1;
of_seek (fd_array[fd], (unsigned int) (offset>>32), (unsigned int) (offset & 0xffffffffULL));
return offset;
#endif
}
int recv(int fd, void *packet, int packet_len, int flags)
{
return read(fd, packet, packet_len);
}
int send(int fd, const void *packet, int packet_len, int flags)
{
return write(fd, packet, packet_len);
}
int sendto(int fd, const void *packet, int packet_len, int flags,
const void *sock_addr, int sock_addr_len)
{
return send(fd, packet, packet_len, flags);
}
void exit(int status)
{
_exit(status);
}
|
