8 unordered_map<long,factorvm*> thread_vms;
10 factorvm *lookup_vm(long threadid)
12 return thread_vms[threadid];
15 void register_vm(long threadid, factorvm *vm)
17 thread_vms[threadid] = vm;
21 void factorvm::default_parameters(vm_parameters *p)
25 /* We make a wild guess here that if we're running on ARM, we don't
26 have a lot of memory. */
28 p->ds_size = 8 * sizeof(cell);
29 p->rs_size = 8 * sizeof(cell);
37 p->ds_size = 32 * sizeof(cell);
38 p->rs_size = 32 * sizeof(cell);
41 p->code_size = 8 * sizeof(cell);
42 p->young_size = sizeof(cell) / 4;
43 p->aging_size = sizeof(cell) / 2;
44 p->tenured_size = 4 * sizeof(cell);
58 p->stack_traces = true;
61 bool factorvm::factor_arg(const vm_char* str, const vm_char* arg, cell* value)
64 if(SSCANF(str,arg,&val) > 0)
73 void factorvm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv)
75 default_parameters(p);
76 p->executable_path = argv[0];
80 for(i = 1; i < argc; i++)
82 if(factor_arg(argv[i],STRING_LITERAL("-datastack=%d"),&p->ds_size));
83 else if(factor_arg(argv[i],STRING_LITERAL("-retainstack=%d"),&p->rs_size));
84 else if(factor_arg(argv[i],STRING_LITERAL("-generations=%d"),&p->gen_count));
85 else if(factor_arg(argv[i],STRING_LITERAL("-young=%d"),&p->young_size));
86 else if(factor_arg(argv[i],STRING_LITERAL("-aging=%d"),&p->aging_size));
87 else if(factor_arg(argv[i],STRING_LITERAL("-tenured=%d"),&p->tenured_size));
88 else if(factor_arg(argv[i],STRING_LITERAL("-codeheap=%d"),&p->code_size));
89 else if(factor_arg(argv[i],STRING_LITERAL("-pic=%d"),&p->max_pic_size));
90 else if(STRCMP(argv[i],STRING_LITERAL("-securegc")) == 0) p->secure_gc = true;
91 else if(STRCMP(argv[i],STRING_LITERAL("-fep")) == 0) p->fep = true;
92 else if(STRNCMP(argv[i],STRING_LITERAL("-i="),3) == 0) p->image_path = argv[i] + 3;
93 else if(STRCMP(argv[i],STRING_LITERAL("-console")) == 0) p->console = true;
94 else if(STRCMP(argv[i],STRING_LITERAL("-no-stack-traces")) == 0) p->stack_traces = false;
98 /* Do some initialization that we do once only */
99 void factorvm::do_stage1_init()
101 print_string("*** Stage 2 early init... ");
105 userenv[STAGE2_ENV] = T;
107 print_string("done\n");
111 void factorvm::init_factor(vm_parameters *p)
114 p->ds_size = align_page(p->ds_size << 10);
115 p->rs_size = align_page(p->rs_size << 10);
118 p->young_size <<= 20;
119 p->aging_size <<= 20;
120 p->tenured_size <<= 20;
123 /* Disable GC during init as a sanity check */
126 /* OS-specific initialization */
129 const vm_char *executable_path = vm_executable_path();
132 p->executable_path = executable_path;
134 if(p->image_path == NULL)
135 p->image_path = default_image_path();
137 srand(current_micros());
139 init_stacks(p->ds_size,p->rs_size);
142 init_inline_caching(p->max_pic_size);
150 userenv[CPU_ENV] = allot_alien(F,(cell)FACTOR_CPU_STRING);
151 userenv[OS_ENV] = allot_alien(F,(cell)FACTOR_OS_STRING);
152 userenv[CELL_SIZE_ENV] = tag_fixnum(sizeof(cell));
153 userenv[EXECUTABLE_ENV] = allot_alien(F,(cell)p->executable_path);
154 userenv[ARGS_ENV] = F;
155 userenv[EMBEDDED_ENV] = F;
160 if(userenv[STAGE2_ENV] == F)
162 userenv[STACK_TRACES_ENV] = tag_boolean(p->stack_traces);
167 /* May allocate memory */
168 void factorvm::pass_args_to_factor(int argc, vm_char **argv)
170 growable_array args(this);
173 for(i = 1; i < argc; i++){
174 args.add(allot_alien(F,(cell)argv[i]));
178 userenv[ARGS_ENV] = args.elements.value();
181 void factorvm::start_factor(vm_parameters *p)
183 if(p->fep) factorbug();
186 c_to_factor_toplevel(userenv[BOOT_ENV]);
191 char *factorvm::factor_eval_string(char *string)
193 char *(*callback)(char *) = (char *(*)(char *))alien_offset(userenv[EVAL_CALLBACK_ENV]);
194 return callback(string);
197 void factorvm::factor_eval_free(char *result)
202 void factorvm::factor_yield()
204 void (*callback)() = (void (*)())alien_offset(userenv[YIELD_CALLBACK_ENV]);
208 void factorvm::factor_sleep(long us)
210 void (*callback)(long) = (void (*)(long))alien_offset(userenv[SLEEP_CALLBACK_ENV]);
214 void factorvm::start_standalone_factor(int argc, vm_char **argv)
216 register_vm(GetCurrentThreadId(),this);
218 default_parameters(&p);
219 init_parameters_from_args(&p,argc,argv);
221 pass_args_to_factor(argc,argv);
230 void* start_standalone_factor_thread(void *arg)
232 factorvm *newvm = new factorvm;
233 startargs *args = (startargs*) arg;
234 newvm->start_standalone_factor(args->argc, args->argv);
239 VM_C_API void start_standalone_factor(int argc, vm_char **argv)
241 factorvm *newvm = new factorvm;
243 return newvm->start_standalone_factor(argc,argv);
246 VM_C_API void *start_standalone_factor_in_new_thread(int argc, vm_char **argv)
248 startargs *args = new startargs; // leaks startargs structure
249 args->argc = argc; args->argv = argv;
250 void *handle = start_thread(start_standalone_factor_thread,args);