5 void init_globals() { init_mvm(); }
7 void factor_vm::default_parameters(vm_parameters* p) {
8 p->embedded_image = false;
11 p->datastack_size = 32 * sizeof(cell);
12 p->retainstack_size = 32 * sizeof(cell);
14 #if defined(FACTOR_PPC)
15 p->callstack_size = 256 * sizeof(cell);
17 p->callstack_size = 128 * sizeof(cell);
21 p->young_size = sizeof(cell) / 4;
22 p->aging_size = sizeof(cell) / 2;
23 p->tenured_size = 24 * sizeof(cell);
31 p->console = GetConsoleWindow() != NULL;
36 p->callback_size = 256;
39 bool factor_vm::factor_arg(const vm_char* str, const vm_char* arg,
42 if (SSCANF(str, arg, &val) > 0) {
49 void factor_vm::init_parameters_from_args(vm_parameters* p, int argc,
51 default_parameters(p);
52 p->executable_path = argv[0];
56 for (i = 1; i < argc; i++) {
57 vm_char* arg = argv[i];
58 if (STRCMP(arg, STRING_LITERAL("--")) == 0)
60 else if (factor_arg(arg, STRING_LITERAL("-datastack=%d"),
63 else if (factor_arg(arg, STRING_LITERAL("-retainstack=%d"),
64 &p->retainstack_size))
66 else if (factor_arg(arg, STRING_LITERAL("-callstack=%d"),
69 else if (factor_arg(arg, STRING_LITERAL("-young=%d"), &p->young_size))
71 else if (factor_arg(arg, STRING_LITERAL("-aging=%d"), &p->aging_size))
73 else if (factor_arg(arg, STRING_LITERAL("-tenured=%d"), &p->tenured_size))
75 else if (factor_arg(arg, STRING_LITERAL("-codeheap=%d"), &p->code_size))
77 else if (factor_arg(arg, STRING_LITERAL("-pic=%d"), &p->max_pic_size))
79 else if (factor_arg(arg, STRING_LITERAL("-callbacks=%d"),
82 else if (STRCMP(arg, STRING_LITERAL("-fep")) == 0)
84 else if (STRCMP(arg, STRING_LITERAL("-nosignals")) == 0)
86 else if (STRNCMP(arg, STRING_LITERAL("-i="), 3) == 0)
87 p->image_path = arg + 3;
88 else if (STRCMP(arg, STRING_LITERAL("-console")) == 0)
93 /* Compile code in boot image so that we can execute the startup quotation */
94 /* Allocates memory */
95 void factor_vm::prepare_boot_image() {
96 std::cout << "*** Stage 2 early init... " << std::flush;
99 update_code_heap_words(true);
100 initialize_all_quotations();
101 special_objects[OBJ_STAGE2] = true_object;
103 std::cout << "done" << std::endl;
106 void factor_vm::init_factor(vm_parameters* p) {
108 p->datastack_size = align_page(p->datastack_size << 10);
109 p->retainstack_size = align_page(p->retainstack_size << 10);
110 p->callstack_size = align_page(p->callstack_size << 10);
111 p->callback_size = align_page(p->callback_size << 10);
114 p->young_size <<= 20;
115 p->aging_size <<= 20;
116 p->tenured_size <<= 20;
119 /* Disable GC during init as a sanity check */
122 /* OS-specific initialization */
125 const vm_char* executable_path = vm_executable_path();
128 p->executable_path = executable_path;
130 if (p->image_path == NULL) {
131 if (embedded_image_p()) {
132 p->embedded_image = true;
133 p->image_path = p->executable_path;
135 p->image_path = default_image_path();
138 srand((unsigned int)nano_count());
140 init_contexts(p->datastack_size, p->retainstack_size, p->callstack_size);
141 init_callbacks(p->callback_size);
144 init_inline_caching((int)p->max_pic_size);
145 special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
146 special_objects[OBJ_ARGS] = false_object;
147 special_objects[OBJ_EMBEDDED] = false_object;
150 {OBJ_CPU, (cell)FACTOR_CPU_STRING},
151 {OBJ_EXECUTABLE, (cell)p->executable_path},
152 {OBJ_OS, (cell)FACTOR_OS_STRING},
153 {OBJ_VM_COMPILE_TIME, (cell)FACTOR_COMPILE_TIME},
154 {OBJ_VM_COMPILER, (cell)FACTOR_COMPILER_VERSION},
155 {OBJ_VM_GIT_LABEL, (cell)FACTOR_STRINGIZE(FACTOR_GIT_LABEL)},
156 {OBJ_VM_VERSION, (cell)FACTOR_STRINGIZE(FACTOR_VERSION)},
158 {WIN_EXCEPTION_HANDLER, (cell)&factor::exception_handler}
161 int n_items = sizeof(aliens) / sizeof(cell[2]);
162 for (int n = 0; n < n_items; n++) {
163 cell idx = aliens[n][0];
164 special_objects[idx] = allot_alien(false_object, aliens[n][1]);
170 if (!to_boolean(special_objects[OBJ_STAGE2]))
171 prepare_boot_image();
181 /* Allocates memory */
182 void factor_vm::pass_args_to_factor(int argc, vm_char** argv) {
183 growable_array args(this);
185 for (fixnum i = 0; i < argc; i++)
186 args.add(allot_alien(false_object, (cell)argv[i]));
189 special_objects[OBJ_ARGS] = args.elements.value();
192 void factor_vm::start_factor(vm_parameters* p) {
196 c_to_factor_toplevel(special_objects[OBJ_STARTUP_QUOT]);
199 void factor_vm::stop_factor() {
200 c_to_factor_toplevel(special_objects[OBJ_SHUTDOWN_QUOT]);
203 char* factor_vm::factor_eval_string(char* string) {
204 void* func = alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
205 CODE_TO_FUNCTION_POINTER(func);
206 return ((char * (*)(char*)) func)(string);
209 void factor_vm::factor_eval_free(char* result) { free(result); }
211 void factor_vm::factor_yield() {
212 void* func = alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
213 CODE_TO_FUNCTION_POINTER(func);
214 ((void(*)()) func)();
217 void factor_vm::factor_sleep(long us) {
218 void* func = alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
219 CODE_TO_FUNCTION_POINTER(func);
220 ((void(*)(long)) func)(us);
223 void factor_vm::start_standalone_factor(int argc, vm_char** argv) {
225 init_parameters_from_args(&p, argc, argv);
227 pass_args_to_factor(argc, argv);
231 factor_vm* new_factor_vm() {
232 THREADHANDLE thread = thread_id();
233 factor_vm* newvm = new factor_vm(thread);
234 register_vm_with_thread(newvm);
235 thread_vms[thread] = newvm;
240 VM_C_API void start_standalone_factor(int argc, vm_char** argv) {
241 factor_vm* newvm = new_factor_vm();
242 return newvm->start_standalone_factor(argc, argv);