11 void factor_vm::default_parameters(vm_parameters *p)
15 p->datastack_size = 32 * sizeof(cell);
16 p->retainstack_size = 32 * sizeof(cell);
17 p->callstack_size = 128 * sizeof(cell);
19 p->code_size = 8 * sizeof(cell);
20 p->young_size = sizeof(cell) / 4;
21 p->aging_size = sizeof(cell) / 2;
22 p->tenured_size = 24 * sizeof(cell);
35 p->callback_size = 256;
38 bool factor_vm::factor_arg(const vm_char* str, const vm_char* arg, cell* value)
41 if(SSCANF(str,arg,&val) > 0)
50 void factor_vm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv)
52 default_parameters(p);
53 p->executable_path = argv[0];
57 for(i = 1; i < argc; i++)
59 vm_char *arg = argv[i];
60 if(STRCMP(arg,STRING_LITERAL("--")) == 0) break;
61 else if(factor_arg(arg,STRING_LITERAL("-datastack=%d"),&p->datastack_size));
62 else if(factor_arg(arg,STRING_LITERAL("-retainstack=%d"),&p->retainstack_size));
63 else if(factor_arg(arg,STRING_LITERAL("-callstack=%d"),&p->callstack_size));
64 else if(factor_arg(arg,STRING_LITERAL("-young=%d"),&p->young_size));
65 else if(factor_arg(arg,STRING_LITERAL("-aging=%d"),&p->aging_size));
66 else if(factor_arg(arg,STRING_LITERAL("-tenured=%d"),&p->tenured_size));
67 else if(factor_arg(arg,STRING_LITERAL("-codeheap=%d"),&p->code_size));
68 else if(factor_arg(arg,STRING_LITERAL("-pic=%d"),&p->max_pic_size));
69 else if(factor_arg(arg,STRING_LITERAL("-callbacks=%d"),&p->callback_size));
70 else if(STRCMP(arg,STRING_LITERAL("-fep")) == 0) p->fep = true;
71 else if(STRCMP(arg,STRING_LITERAL("-nosignals")) == 0) p->signals = false;
72 else if(STRNCMP(arg,STRING_LITERAL("-i="),3) == 0) p->image_path = arg + 3;
73 else if(STRCMP(arg,STRING_LITERAL("-console")) == 0) p->console = true;
77 /* Compile code in boot image so that we can execute the startup quotation */
78 void factor_vm::prepare_boot_image()
80 std::cout << "*** Stage 2 early init... ";
84 update_code_heap_words(true);
85 initialize_all_quotations();
86 special_objects[OBJ_STAGE2] = true_object;
88 std::cout << "done\n";
91 void factor_vm::init_factor(vm_parameters *p)
94 p->datastack_size = align_page(p->datastack_size << 10);
95 p->retainstack_size = align_page(p->retainstack_size << 10);
96 p->callstack_size = align_page(p->callstack_size << 10);
97 p->callback_size = align_page(p->callback_size << 10);
100 p->young_size <<= 20;
101 p->aging_size <<= 20;
102 p->tenured_size <<= 20;
105 /* Disable GC during init as a sanity check */
108 /* OS-specific initialization */
111 const vm_char *executable_path = vm_executable_path();
114 p->executable_path = executable_path;
116 if(p->image_path == NULL)
117 p->image_path = default_image_path();
119 srand((unsigned int)system_micros());
121 init_contexts(p->datastack_size,p->retainstack_size,p->callstack_size);
122 init_callbacks(p->callback_size);
125 init_inline_caching(p->max_pic_size);
134 special_objects[OBJ_CPU] = allot_alien(false_object,(cell)FACTOR_CPU_STRING);
135 special_objects[OBJ_OS] = allot_alien(false_object,(cell)FACTOR_OS_STRING);
136 special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
137 special_objects[OBJ_EXECUTABLE] = allot_alien(false_object,(cell)p->executable_path);
138 special_objects[OBJ_ARGS] = false_object;
139 special_objects[OBJ_EMBEDDED] = false_object;
140 special_objects[OBJ_VM_COMPILER] = allot_alien(false_object,(cell)FACTOR_COMPILER_VERSION);
145 if(!to_boolean(special_objects[OBJ_STAGE2]))
146 prepare_boot_image();
149 /* May allocate memory */
150 void factor_vm::pass_args_to_factor(int argc, vm_char **argv)
152 growable_array args(this);
154 for(fixnum i = 1; i < argc; i++)
155 args.add(allot_alien(false_object,(cell)argv[i]));
158 special_objects[OBJ_ARGS] = args.elements.value();
161 void factor_vm::start_factor(vm_parameters *p)
163 if(p->fep) factorbug();
165 c_to_factor_toplevel(special_objects[OBJ_STARTUP_QUOT]);
168 void factor_vm::stop_factor()
170 c_to_factor_toplevel(special_objects[OBJ_SHUTDOWN_QUOT]);
173 char *factor_vm::factor_eval_string(char *string)
175 char *(*callback)(char *) = (char *(*)(char *))alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
176 return callback(string);
179 void factor_vm::factor_eval_free(char *result)
184 void factor_vm::factor_yield()
186 void (*callback)() = (void (*)())alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
190 void factor_vm::factor_sleep(long us)
192 void (*callback)(long) = (void (*)(long))alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
196 void factor_vm::start_standalone_factor(int argc, vm_char **argv)
199 default_parameters(&p);
200 init_parameters_from_args(&p,argc,argv);
202 pass_args_to_factor(argc,argv);
206 factor_vm *new_factor_vm()
208 factor_vm *newvm = new factor_vm();
209 register_vm_with_thread(newvm);
210 thread_vms[thread_id()] = newvm;
215 VM_C_API void start_standalone_factor(int argc, vm_char **argv)
217 factor_vm *newvm = new_factor_vm();
218 return newvm->start_standalone_factor(argc,argv);