35,10 → 35,83 |
* @brief File system driver for HelenOS. |
*/ |
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#include <ipc/ipc.h> |
#include <ipc/services.h> |
#include <ipc/ns.h> |
#include <sysinfo.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <as.h> |
#include <ddi.h> |
#include <align.h> |
#include <bool.h> |
#include <errno.h> |
#include <async.h> |
#include "fs.h" |
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static void fs_connection(ipc_callid_t iid, ipc_call_t *icall) |
{ |
ipc_callid_t callid; |
ipc_call_t call; |
int retval; |
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ipc_answer_fast(iid, 0, 0, 0); |
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while (1) { |
callid = async_get_call(&call); |
switch (IPC_GET_METHOD(call)) { |
case IPC_M_PHONE_HUNGUP: |
ipc_answer_fast(callid, 0,0,0); |
return; |
case FS_OPEN: |
//Why doesn't printf do anything in this task? |
printf("FS_OPEN called"); |
char * f_name = (char *) IPC_GET_ARG1(call); |
printf("I should open file: %s \n",f_name); |
retval = 73; |
break; |
case FS_READ: |
printf("FS_READ called"); |
unsigned int file_handle = IPC_GET_ARG1(call); |
void * buffer = (void *) IPC_GET_ARG2(call); |
unsigned int count = IPC_GET_ARG3(call); |
//I still don't know how to copy memory to another task :( |
//Or can i only map memory? |
retval = 0; |
break; |
default: |
retval = EINVAL; |
} |
ipc_answer_fast(callid, retval, 0, 0); |
} |
} |
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static bool fs_init(void) |
{ |
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return true; |
} |
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int main(int argc, char **argv) |
{ |
return 0; |
if (fs_init()) { |
ipcarg_t phonead; |
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async_set_client_connection(fs_connection); |
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/* Register service at nameserver */ |
if (ipc_connect_to_me(PHONE_NS, SERVICE_FS, 0, &phonead) != 0) |
return -1; |
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async_manager(); |
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/* Never reached */ |
return 0; |
} |
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return -1; |
} |
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/** |