| 672,74 → 672,6 |
|---|
| return node != NULL; |
| } |
| |
| |
| /** Create new user task with 1 thread from image |
| * |
| * @param program_addr Address of program executable image. |
| * @param name Program name. |
| * |
| * @return Initialized main thread of the task or NULL on error. |
| */ |
| thread_t *thread_create_program(void *program_addr, char *name) |
| { |
| as_t *as; |
| as_area_t *area; |
| unsigned int rc; |
| task_t *task; |
| uspace_arg_t *kernel_uarg; |
| |
| kernel_uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0); |
| if (kernel_uarg == NULL) |
| return NULL; |
| |
| kernel_uarg->uspace_entry = |
| (void *) ((elf_header_t *) program_addr)->e_entry; |
| kernel_uarg->uspace_stack = (void *) USTACK_ADDRESS; |
| kernel_uarg->uspace_thread_function = NULL; |
| kernel_uarg->uspace_thread_arg = NULL; |
| kernel_uarg->uspace_uarg = NULL; |
| |
| as = as_create(0); |
| if (as == NULL) { |
| free(kernel_uarg); |
| return NULL; |
| } |
| |
| rc = elf_load((elf_header_t *) program_addr, as); |
| if (rc != EE_OK) { |
| free(kernel_uarg); |
| as_destroy(as); |
| return NULL; |
| } |
| |
| /* |
| * Create the data as_area. |
| */ |
| area = as_area_create(as, |
| AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE, |
| LOADED_PROG_STACK_PAGES_NO * PAGE_SIZE, USTACK_ADDRESS, |
| AS_AREA_ATTR_NONE, &anon_backend, NULL); |
| if (area == NULL) { |
| free(kernel_uarg); |
| as_destroy(as); |
| return NULL; |
| } |
| |
| task = task_create(as, name); |
| if (task == NULL) { |
| free(kernel_uarg); |
| as_destroy(as); |
| return NULL; |
| } |
| |
| /* |
| * Create the main thread. |
| */ |
| return thread_create(uinit, kernel_uarg, task, THREAD_FLAG_USPACE, |
| "uinit", false); |
| } |
| |
| |
| /** Update accounting of current thread. |
| * |
| * Note that thread_lock on THREAD must be already held and |