11 void factor_vm::default_parameters(vm_parameters *p)
15 p->datastack_size = 32 * sizeof(cell);
16 p->retainstack_size = 32 * sizeof(cell);
18 #if defined(__OpenBSD__) && defined(FACTOR_X86)
19 p->callstack_size = 64 * sizeof(cell);
20 #elif defined(FACTOR_PPC)
21 p->callstack_size = 256 * sizeof(cell);
23 p->callstack_size = 128 * sizeof(cell);
26 p->code_size = 8 * sizeof(cell);
27 p->young_size = sizeof(cell) / 4;
28 p->aging_size = sizeof(cell) / 2;
29 p->tenured_size = 24 * sizeof(cell);
42 p->callback_size = 256;
45 bool factor_vm::factor_arg(const vm_char* str, const vm_char* arg, cell* value)
48 if(SSCANF(str,arg,&val) > 0)
57 void factor_vm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv)
59 default_parameters(p);
60 p->executable_path = argv[0];
64 for(i = 1; i < argc; i++)
66 vm_char *arg = argv[i];
67 if(STRCMP(arg,STRING_LITERAL("--")) == 0) break;
68 else if(factor_arg(arg,STRING_LITERAL("-datastack=%d"),&p->datastack_size));
69 else if(factor_arg(arg,STRING_LITERAL("-retainstack=%d"),&p->retainstack_size));
70 else if(factor_arg(arg,STRING_LITERAL("-callstack=%d"),&p->callstack_size));
71 else if(factor_arg(arg,STRING_LITERAL("-young=%d"),&p->young_size));
72 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));
74 else if(factor_arg(arg,STRING_LITERAL("-codeheap=%d"),&p->code_size));
75 else if(factor_arg(arg,STRING_LITERAL("-pic=%d"),&p->max_pic_size));
76 else if(factor_arg(arg,STRING_LITERAL("-callbacks=%d"),&p->callback_size));
77 else if(STRCMP(arg,STRING_LITERAL("-fep")) == 0) p->fep = true;
78 else if(STRCMP(arg,STRING_LITERAL("-nosignals")) == 0) p->signals = false;
79 else if(STRNCMP(arg,STRING_LITERAL("-i="),3) == 0) p->image_path = arg + 3;
80 else if(STRCMP(arg,STRING_LITERAL("-console")) == 0) p->console = true;
84 /* Compile code in boot image so that we can execute the startup quotation */
85 void factor_vm::prepare_boot_image()
87 std::cout << "*** Stage 2 early init... ";
91 update_code_heap_words(true);
92 initialize_all_quotations();
93 special_objects[OBJ_STAGE2] = true_object;
95 std::cout << "done\n";
98 void factor_vm::init_factor(vm_parameters *p)
101 p->datastack_size = align_page(p->datastack_size << 10);
102 p->retainstack_size = align_page(p->retainstack_size << 10);
103 p->callstack_size = align_page(p->callstack_size << 10);
104 p->callback_size = align_page(p->callback_size << 10);
107 p->young_size <<= 20;
108 p->aging_size <<= 20;
109 p->tenured_size <<= 20;
112 /* Disable GC during init as a sanity check */
115 /* OS-specific initialization */
118 const vm_char *executable_path = vm_executable_path();
121 p->executable_path = executable_path;
123 if(p->image_path == NULL)
124 p->image_path = default_image_path();
126 srand((unsigned int)system_micros());
128 init_contexts(p->datastack_size,p->retainstack_size,p->callstack_size);
129 init_callbacks(p->callback_size);
132 init_inline_caching(p->max_pic_size);
141 special_objects[OBJ_CPU] = allot_alien(false_object,(cell)FACTOR_CPU_STRING);
142 special_objects[OBJ_OS] = allot_alien(false_object,(cell)FACTOR_OS_STRING);
143 special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
144 special_objects[OBJ_EXECUTABLE] = allot_alien(false_object,(cell)p->executable_path);
145 special_objects[OBJ_ARGS] = false_object;
146 special_objects[OBJ_EMBEDDED] = false_object;
147 special_objects[OBJ_VM_COMPILER] = allot_alien(false_object,(cell)FACTOR_COMPILER_VERSION);
152 if(!to_boolean(special_objects[OBJ_STAGE2]))
153 prepare_boot_image();
156 /* May allocate memory */
157 void factor_vm::pass_args_to_factor(int argc, vm_char **argv)
159 growable_array args(this);
161 for(fixnum i = 1; i < argc; i++)
162 args.add(allot_alien(false_object,(cell)argv[i]));
165 special_objects[OBJ_ARGS] = args.elements.value();
168 void factor_vm::start_factor(vm_parameters *p)
170 if(p->fep) factorbug();
172 c_to_factor_toplevel(special_objects[OBJ_STARTUP_QUOT]);
175 void factor_vm::stop_factor()
177 c_to_factor_toplevel(special_objects[OBJ_SHUTDOWN_QUOT]);
180 char *factor_vm::factor_eval_string(char *string)
182 char *(*callback)(char *) = (char *(*)(char *))alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
183 return callback(string);
186 void factor_vm::factor_eval_free(char *result)
191 void factor_vm::factor_yield()
193 void (*callback)() = (void (*)())alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
197 void factor_vm::factor_sleep(long us)
199 void (*callback)(long) = (void (*)(long))alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
203 void factor_vm::start_standalone_factor(int argc, vm_char **argv)
206 default_parameters(&p);
207 init_parameters_from_args(&p,argc,argv);
209 pass_args_to_factor(argc,argv);
213 factor_vm *new_factor_vm()
215 factor_vm *newvm = new factor_vm();
216 register_vm_with_thread(newvm);
217 thread_vms[thread_id()] = newvm;
222 VM_C_API void start_standalone_factor(int argc, vm_char **argv)
224 factor_vm *newvm = new_factor_vm();
225 return newvm->start_standalone_factor(argc,argv);