7 std::map<THREADHANDLE, factor_vm*> thread_vms;
11 init_platform_globals();
14 void factor_vm::default_parameters(vm_parameters *p)
18 p->ds_size = 32 * sizeof(cell);
19 p->rs_size = 32 * sizeof(cell);
21 p->code_size = 8 * sizeof(cell);
22 p->young_size = sizeof(cell) / 4;
23 p->aging_size = sizeof(cell) / 2;
24 p->tenured_size = 24 * sizeof(cell);
41 p->callback_size = 256;
44 bool factor_vm::factor_arg(const vm_char* str, const vm_char* arg, cell* value)
47 if(SSCANF(str,arg,&val) > 0)
56 void factor_vm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv)
58 default_parameters(p);
59 p->executable_path = argv[0];
63 for(i = 1; i < argc; i++)
65 vm_char *arg = argv[i];
66 if(STRCMP(arg,STRING_LITERAL("--")) == 0) break;
67 else if(factor_arg(arg,STRING_LITERAL("-datastack=%d"),&p->ds_size));
68 else if(factor_arg(arg,STRING_LITERAL("-retainstack=%d"),&p->rs_size));
69 else if(factor_arg(arg,STRING_LITERAL("-young=%d"),&p->young_size));
70 else if(factor_arg(arg,STRING_LITERAL("-aging=%d"),&p->aging_size));
71 else if(factor_arg(arg,STRING_LITERAL("-tenured=%d"),&p->tenured_size));
72 else if(factor_arg(arg,STRING_LITERAL("-codeheap=%d"),&p->code_size));
73 else if(factor_arg(arg,STRING_LITERAL("-pic=%d"),&p->max_pic_size));
74 else if(factor_arg(arg,STRING_LITERAL("-callbacks=%d"),&p->callback_size));
75 else if(STRCMP(arg,STRING_LITERAL("-fep")) == 0) p->fep = true;
76 else if(STRCMP(arg,STRING_LITERAL("-nosignals")) == 0) p->signals = false;
77 else if(STRNCMP(arg,STRING_LITERAL("-i="),3) == 0) p->image_path = arg + 3;
78 else if(STRCMP(arg,STRING_LITERAL("-console")) == 0) p->console = true;
82 /* Do some initialization that we do once only */
83 void factor_vm::do_stage1_init()
85 std::cout << "*** Stage 2 early init... ";
89 update_code_heap_words();
90 special_objects[OBJ_STAGE2] = true_object;
92 std::cout << "done\n";
95 void factor_vm::init_factor(vm_parameters *p)
98 p->ds_size = align_page(p->ds_size << 10);
99 p->rs_size = align_page(p->rs_size << 10);
100 p->callback_size = align_page(p->callback_size << 10);
103 p->young_size <<= 20;
104 p->aging_size <<= 20;
105 p->tenured_size <<= 20;
108 /* Disable GC during init as a sanity check */
111 /* OS-specific initialization */
114 const vm_char *executable_path = vm_executable_path();
117 p->executable_path = executable_path;
119 if(p->image_path == NULL)
120 p->image_path = default_image_path();
122 srand(current_micros());
124 init_stacks(p->ds_size,p->rs_size);
125 init_callbacks(p->callback_size);
128 init_inline_caching(p->max_pic_size);
137 special_objects[OBJ_CPU] = allot_alien(false_object,(cell)FACTOR_CPU_STRING);
138 special_objects[OBJ_OS] = allot_alien(false_object,(cell)FACTOR_OS_STRING);
139 special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
140 special_objects[OBJ_EXECUTABLE] = allot_alien(false_object,(cell)p->executable_path);
141 special_objects[OBJ_ARGS] = false_object;
142 special_objects[OBJ_EMBEDDED] = false_object;
147 if(!to_boolean(special_objects[OBJ_STAGE2]))
151 /* May allocate memory */
152 void factor_vm::pass_args_to_factor(int argc, vm_char **argv)
154 growable_array args(this);
157 for(i = 1; i < argc; i++){
158 args.add(allot_alien(false_object,(cell)argv[i]));
162 special_objects[OBJ_ARGS] = args.elements.value();
165 void factor_vm::start_factor(vm_parameters *p)
167 if(p->fep) factorbug();
170 c_to_factor_toplevel(special_objects[OBJ_BOOT]);
174 char *factor_vm::factor_eval_string(char *string)
176 char *(*callback)(char *) = (char *(*)(char *))alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
177 return callback(string);
180 void factor_vm::factor_eval_free(char *result)
185 void factor_vm::factor_yield()
187 void (*callback)() = (void (*)())alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
191 void factor_vm::factor_sleep(long us)
193 void (*callback)(long) = (void (*)(long))alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
197 void factor_vm::start_standalone_factor(int argc, vm_char **argv)
200 default_parameters(&p);
201 init_parameters_from_args(&p,argc,argv);
203 pass_args_to_factor(argc,argv);
212 factor_vm *new_factor_vm()
214 factor_vm *newvm = new factor_vm();
215 register_vm_with_thread(newvm);
216 thread_vms[thread_id()] = newvm;
221 // arg must be new'ed because we're going to delete it!
222 void* start_standalone_factor_thread(void *arg)
224 factor_vm *newvm = new_factor_vm();
225 startargs *args = (startargs*) arg;
226 int argc = args->argc; vm_char **argv = args->argv;
228 newvm->start_standalone_factor(argc, argv);
232 VM_C_API void start_standalone_factor(int argc, vm_char **argv)
234 factor_vm *newvm = new_factor_vm();
236 return newvm->start_standalone_factor(argc,argv);
239 VM_C_API THREADHANDLE start_standalone_factor_in_new_thread(int argc, vm_char **argv)
241 startargs *args = new startargs;
242 args->argc = argc; args->argv = argv;
243 return start_thread(start_standalone_factor_thread,args);