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Line 47... Line 47...
47
#include <stdlib.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
-
 
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#include <ipc/loader.h>
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#include <errno.h>
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#include <errno.h>
-
 
54
#include <async.h>
53
#include <as.h>
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#include <as.h>
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56
 
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#include <elf.h>
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#include <elf.h>
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#include <elf_load.h>
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#include <elf_load.h>
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#include <pcb.h>
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#include <pcb.h>
Line 68... Line 70...
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/** Receive a call setting pathname of the program to execute.
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/** Receive a call setting pathname of the program to execute.
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 *
71
 *
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 * @param rid
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 * @param rid
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 * @param request
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 * @param request
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 */
74
 */
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void iloader_set_pathname(ipc_callid_t rid, ipc_call_t *request)
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static void iloader_set_pathname(ipc_callid_t rid, ipc_call_t *request)
74
{
76
{
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//  ipc_callid_t callid;
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    ipc_callid_t callid;
76
    size_t len;
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    size_t len;
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    char *name_buf;
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    char *name_buf;
78
 
80
 
79
/*  printf("iloader_set_pathname\n");
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    printf("iloader_set_pathname\n");
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    if (!ipc_data_write_receive(&callid, &len)) {
82
    if (!ipc_data_write_receive(&callid, &len)) {
81
        ipc_answer_0(callid, EINVAL);
83
        ipc_answer_0(callid, EINVAL);
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        ipc_answer_0(rid, EINVAL);
84
        ipc_answer_0(rid, EINVAL);
83
        return;
85
        return;
84
    }
86
    }
85
*/
87
 
86
    len = IPC_GET_ARG2(*request);
-
 
87
    printf("alloc %d bytes\n", len+1);
88
    printf("alloc %d bytes\n", len+1);
88
 
89
 
89
    name_buf = malloc(len + 1);
90
    name_buf = malloc(len + 1);
90
    if (!name_buf) {
91
    if (!name_buf) {
91
//      ipc_answer_0(callid, ENOMEM);
92
        ipc_answer_0(callid, ENOMEM);
92
        ipc_answer_0(rid, ENOMEM);
93
        ipc_answer_0(rid, ENOMEM);
93
        return;
94
        return;
94
    }
95
    }
95
 
96
 
96
    printf("write_finalize\n");
97
    printf("write_finalize\n");
97
    ipc_data_write_finalize(rid, name_buf, len);
98
    ipc_data_write_finalize(callid, name_buf, len);
-
 
99
    printf("answer\n");
98
//  ipc_answer_0(rid, EOK);
100
    ipc_answer_0(rid, EOK);
99
 
101
 
100
    if (pathname != NULL) {
102
    if (pathname != NULL) {
101
        free(pathname);
103
        free(pathname);
102
        pathname = NULL;
104
        pathname = NULL;
103
    }
105
    }
104
 
106
 
-
 
107
    name_buf[len] = '\0';
105
    pathname = name_buf;
108
    pathname = name_buf;
106
}
109
}
107
 
110
 
108
/** Load and run the previously selected program.
111
/** Load and run the previously selected program.
109
 *
112
 *
110
 * @param rid
113
 * @param rid
111
 * @param request
114
 * @param request
112
 * @return 0 on success, !0 on error.
115
 * @return 0 on success, !0 on error.
113
 */
116
 */
114
int iloader_run(ipc_callid_t rid, ipc_call_t *request)
117
static int iloader_run(ipc_callid_t rid, ipc_call_t *request)
115
{
118
{
116
    int rc;
119
    int rc;
117
    pcb_t *pcb;
120
    pcb_t *pcb;
118
 
121
 
119
    elf_info_t prog_info;
122
    elf_info_t prog_info;
Line 155... Line 158...
155
    elf_run(&interp_info);
158
    elf_run(&interp_info);
156
 
159
 
157
    return 0;
160
    return 0;
158
}
161
}
159
 
162
 
160
/** Program loader main function.
163
/** Handle loader connection.
161
 *
164
 *
162
 * Receive and carry out commands (of which the last one should be
165
 * Receive and carry out commands (of which the last one should be
163
 * to execute the loaded program).
166
 * to execute the loaded program).
164
 */
167
 */
165
int main(int argc, char *argv[])
168
static void loader_connection(ipc_callid_t iid, ipc_call_t *icall)
166
{
169
{
167
    ipc_callid_t callid;
170
    ipc_callid_t callid;
168
    ipc_call_t call;
171
    ipc_call_t call;
169
    int retval;
172
    int retval;
-
 
173
 
-
 
174
    /* Ignore parameters, the connection is already open */
170
    int len;
175
    (void)iid; (void)icall;
171
 
176
 
172
    while (1) {
177
    while (1) {
173
        callid = ipc_wait_for_call(&call);
178
        callid = async_get_call(&call);
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179
        printf("received call from phone %d, method=%d\n",
174
        printf("received call, method=%d\n", IPC_GET_METHOD(call));
180
            call.in_phone_hash, IPC_GET_METHOD(call));
175
        switch (IPC_GET_METHOD(call)) {
181
        switch (IPC_GET_METHOD(call)) {
176
        case IPC_M_DATA_WRITE:
182
        case LOADER_SET_PATHNAME:
177
            iloader_set_pathname(callid, &call);
183
            iloader_set_pathname(callid, &call);
-
 
184
            continue;
-
 
185
        case LOADER_RUN:
178
            iloader_run(callid, &call);
186
            iloader_run(callid, &call);
179
            exit(0);
187
            exit(0);
180
            continue;
188
            continue;
181
        default:
189
        default:
182
            retval = ENOENT;
190
            retval = ENOENT;
Line 185... Line 193...
185
        if ((callid & IPC_CALLID_NOTIFICATION) == 0) {
193
        if ((callid & IPC_CALLID_NOTIFICATION) == 0) {
186
            printf("responding EINVAL to method %d\n", IPC_GET_METHOD(call));
194
            printf("responding EINVAL to method %d\n", IPC_GET_METHOD(call));
187
            ipc_answer_0(callid, EINVAL);
195
            ipc_answer_0(callid, EINVAL);
188
        }
196
        }
189
    }
197
    }
-
 
198
}
-
 
199
 
-
 
200
/** Program loader main function.
-
 
201
 */
-
 
202
int main(int argc, char *argv[])
-
 
203
{
-
 
204
    ipc_callid_t callid;
-
 
205
    ipc_call_t call;
-
 
206
    ipcarg_t phone_hash;
-
 
207
 
-
 
208
    /* The first call only communicates the incoming phone hash */
-
 
209
    callid = ipc_wait_for_call(&call);
-
 
210
 
-
 
211
    if (IPC_GET_METHOD(call) != LOADER_HELLO) {
-
 
212
        if (IPC_GET_METHOD(call) != IPC_M_PHONE_HUNGUP)
-
 
213
            ipc_answer_0(callid, EINVAL);
-
 
214
        return 1;
-
 
215
    }
-
 
216
 
-
 
217
    ipc_answer_0(callid, EOK);
-
 
218
    phone_hash = call.in_phone_hash;
-
 
219
 
-
 
220
    /*
-
 
221
     * FIXME: up until now no async calls can be used!!!
-
 
222
     * (Which means e.g. printf() cannot be used)
-
 
223
     */
-
 
224
    async_new_connection(phone_hash, 0, NULL, loader_connection);
-
 
225
    async_manager();
190
 
226
 
191
    /* not reached */
227
    /* not reached */
192
    return 0;
228
    return 0;
193
}
229
}
194
 
230