int run_program(char *filename,uint32_t limit4k){
uint8_t *file_buffer;
uint8_t file;
uint32_t task_id;
int loadelf_return;
file_t fileinfo;
entry_t entry;
fileinfo = file_info(filename);
uint8_t *task_base_address;
if(fileinfo.status != 0){
print_string("Read file failed.");
return -1;
}
file_buffer = malloc(fileinfo.item.size);
if(file_buffer == NULL){
return -3;
}
file = read_file(filename,(uint8_t *)file_buffer,fileinfo.item.size);
if(file != 0){
print_string("Read file failed.");
return -2;
}
entry = get_elf_entry((uint8_t *)file_buffer);
free(file_buffer);
if(limit4k > 0){
task_base_address = (uint8_t *)malloc(limit4k*4096);
if(task_base_address == NULL){
return -3;
}
if(loadelf_return = loadelf((uint8_t *)file_buffer,(uint8_t *)task_base_address,fileinfo.item.size)){
return -3-loadelf_return;
}
task_id = new_task((uint32_t)task_base_address,limit4k,entry,limit4k*4096);
}else{
task_base_address = (uint8_t *)malloc(DEFAULT_TASK_LIMIT_4K*4096);
if(task_base_address == NULL){
return -3;
}
print_hex((uint32_t)task_base_address);
if(loadelf_return = loadelf((uint8_t *)file_buffer,(uint8_t *)task_base_address,fileinfo.item.size)){
return -3-loadelf_return;
}
task_id = new_task((uint32_t)task_base_address,DEFAULT_TASK_LIMIT_4K,entry,DEFAULT_TASK_LIMIT_4K*4096);
}
return task_id;
}
void loadelfs(memory_t *m, int n, char *name[], elf_info_t *last_info)
{
for (int i = 0; i < n; ++i)
if (loadelf(m, name[i], last_info)) {
fprintf(stderr, "error: loading %s failed", name[i]);
exit(1);
}
}
