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_CPU] =
146 allot_alien(false_object, (cell)FACTOR_CPU_STRING);
147 special_objects[OBJ_OS] = allot_alien(false_object, (cell)FACTOR_OS_STRING);
148 special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
149 special_objects[OBJ_EXECUTABLE] =
150 allot_alien(false_object, (cell)p->executable_path);
151 special_objects[OBJ_ARGS] = false_object;
152 special_objects[OBJ_EMBEDDED] = false_object;
153 special_objects[OBJ_VM_COMPILER] =
154 allot_alien(false_object, (cell)FACTOR_COMPILER_VERSION);
155 special_objects[OBJ_VM_COMPILE_TIME] =
156 allot_alien(false_object, (cell)FACTOR_COMPILE_TIME);
157 special_objects[OBJ_VERSION] =
158 allot_alien(false_object, (cell)FACTOR_STRINGIZE(FACTOR_VERSION));
159 special_objects[OBJ_GIT_LABEL] =
160 allot_alien(false_object, (cell)FACTOR_STRINGIZE(FACTOR_GIT_LABEL));
165 if (!to_boolean(special_objects[OBJ_STAGE2]))
166 prepare_boot_image();
176 /* Allocates memory */
177 void factor_vm::pass_args_to_factor(int argc, vm_char** argv) {
178 growable_array args(this);
180 for (fixnum i = 1; i < argc; i++)
181 args.add(allot_alien(false_object, (cell)argv[i]));
184 special_objects[OBJ_ARGS] = args.elements.value();
187 void factor_vm::start_factor(vm_parameters* p) {
191 c_to_factor_toplevel(special_objects[OBJ_STARTUP_QUOT]);
194 void factor_vm::stop_factor() {
195 c_to_factor_toplevel(special_objects[OBJ_SHUTDOWN_QUOT]);
198 char* factor_vm::factor_eval_string(char* string) {
199 void* func = alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
200 CODE_TO_FUNCTION_POINTER(func);
201 return ((char * (*)(char*)) func)(string);
204 void factor_vm::factor_eval_free(char* result) { free(result); }
206 void factor_vm::factor_yield() {
207 void* func = alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
208 CODE_TO_FUNCTION_POINTER(func);
209 ((void(*)()) func)();
212 void factor_vm::factor_sleep(long us) {
213 void* func = alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
214 CODE_TO_FUNCTION_POINTER(func);
215 ((void(*)(long)) func)(us);
218 void factor_vm::start_standalone_factor(int argc, vm_char** argv) {
220 init_parameters_from_args(&p, argc, argv);
222 pass_args_to_factor(argc, argv);
226 factor_vm* new_factor_vm() {
227 THREADHANDLE thread = thread_id();
228 factor_vm* newvm = new factor_vm(thread);
229 register_vm_with_thread(newvm);
230 thread_vms[thread] = newvm;
235 VM_C_API void start_standalone_factor(int argc, vm_char** argv) {
236 factor_vm* newvm = new_factor_vm();
237 return newvm->start_standalone_factor(argc, argv);