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executable file 238 lines (192 sloc) 5.87 kB
#include "master.hpp"
namespace factor
{
void init_globals()
{
init_mvm();
}
void factor_vm::default_parameters(vm_parameters *p)
{
p->embedded_image = false;
p->image_path = NULL;
p->datastack_size = 32 * sizeof(cell);
p->retainstack_size = 32 * sizeof(cell);
#if defined(FACTOR_PPC)
p->callstack_size = 256 * sizeof(cell);
#else
p->callstack_size = 128 * sizeof(cell);
#endif
p->code_size = 64;
p->young_size = sizeof(cell) / 4;
p->aging_size = sizeof(cell) / 2;
p->tenured_size = 24 * sizeof(cell);
p->max_pic_size = 3;
p->fep = false;
p->signals = true;
#ifdef WINDOWS
p->console = GetConsoleWindow() != NULL;
#else
p->console = true;
#endif
p->callback_size = 256;
}
bool factor_vm::factor_arg(const vm_char* str, const vm_char* arg, cell* value)
{
int val;
if(SSCANF(str,arg,&val) > 0)
{
*value = val;
return true;
}
else
return false;
}
void factor_vm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv)
{
default_parameters(p);
p->executable_path = argv[0];
int i = 0;
for(i = 1; i < argc; i++)
{
vm_char *arg = argv[i];
if(STRCMP(arg,STRING_LITERAL("--")) == 0) break;
else if(factor_arg(arg,STRING_LITERAL("-datastack=%d"),&p->datastack_size));
else if(factor_arg(arg,STRING_LITERAL("-retainstack=%d"),&p->retainstack_size));
else if(factor_arg(arg,STRING_LITERAL("-callstack=%d"),&p->callstack_size));
else if(factor_arg(arg,STRING_LITERAL("-young=%d"),&p->young_size));
else if(factor_arg(arg,STRING_LITERAL("-aging=%d"),&p->aging_size));
else if(factor_arg(arg,STRING_LITERAL("-tenured=%d"),&p->tenured_size));
else if(factor_arg(arg,STRING_LITERAL("-codeheap=%d"),&p->code_size));
else if(factor_arg(arg,STRING_LITERAL("-pic=%d"),&p->max_pic_size));
else if(factor_arg(arg,STRING_LITERAL("-callbacks=%d"),&p->callback_size));
else if(STRCMP(arg,STRING_LITERAL("-fep")) == 0) p->fep = true;
else if(STRCMP(arg,STRING_LITERAL("-nosignals")) == 0) p->signals = false;
else if(STRNCMP(arg,STRING_LITERAL("-i="),3) == 0) p->image_path = arg + 3;
else if(STRCMP(arg,STRING_LITERAL("-console")) == 0) p->console = true;
}
}
/* Compile code in boot image so that we can execute the startup quotation */
void factor_vm::prepare_boot_image()
{
std::cout << "*** Stage 2 early init... " << std::flush;
compile_all_words();
update_code_heap_words(true);
initialize_all_quotations();
special_objects[OBJ_STAGE2] = true_object;
std::cout << "done" << std::endl;
}
void factor_vm::init_factor(vm_parameters *p)
{
/* Kilobytes */
p->datastack_size = align_page(p->datastack_size << 10);
p->retainstack_size = align_page(p->retainstack_size << 10);
p->callstack_size = align_page(p->callstack_size << 10);
p->callback_size = align_page(p->callback_size << 10);
/* Megabytes */
p->young_size <<= 20;
p->aging_size <<= 20;
p->tenured_size <<= 20;
p->code_size <<= 20;
/* Disable GC during init as a sanity check */
gc_off = true;
/* OS-specific initialization */
early_init();
const vm_char *executable_path = vm_executable_path();
if(executable_path)
p->executable_path = executable_path;
if(p->image_path == NULL)
{
if (embedded_image_p())
{
p->embedded_image = true;
p->image_path = p->executable_path;
}
else
p->image_path = default_image_path();
}
srand((unsigned int)nano_count());
init_ffi();
init_contexts(p->datastack_size,p->retainstack_size,p->callstack_size);
init_callbacks(p->callback_size);
load_image(p);
init_c_io();
init_inline_caching((int)p->max_pic_size);
special_objects[OBJ_CPU] = allot_alien(false_object,(cell)FACTOR_CPU_STRING);
special_objects[OBJ_OS] = allot_alien(false_object,(cell)FACTOR_OS_STRING);
special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
special_objects[OBJ_EXECUTABLE] = allot_alien(false_object,(cell)p->executable_path);
special_objects[OBJ_ARGS] = false_object;
special_objects[OBJ_EMBEDDED] = false_object;
special_objects[OBJ_VM_COMPILER] = allot_alien(false_object,(cell)FACTOR_COMPILER_VERSION);
/* We can GC now */
gc_off = false;
if(!to_boolean(special_objects[OBJ_STAGE2]))
prepare_boot_image();
if(p->signals)
init_signals();
if(p->console)
open_console();
}
/* May allocate memory */
void factor_vm::pass_args_to_factor(int argc, vm_char **argv)
{
growable_array args(this);
for(fixnum i = 1; i < argc; i++)
args.add(allot_alien(false_object,(cell)argv[i]));
args.trim();
special_objects[OBJ_ARGS] = args.elements.value();
}
void factor_vm::start_factor(vm_parameters *p)
{
if(p->fep) factorbug();
c_to_factor_toplevel(special_objects[OBJ_STARTUP_QUOT]);
}
void factor_vm::stop_factor()
{
c_to_factor_toplevel(special_objects[OBJ_SHUTDOWN_QUOT]);
}
char *factor_vm::factor_eval_string(char *string)
{
void *func = alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
CODE_TO_FUNCTION_POINTER(func);
return ((char *(*)(char *))func)(string);
}
void factor_vm::factor_eval_free(char *result)
{
free(result);
}
void factor_vm::factor_yield()
{
void *func = alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
CODE_TO_FUNCTION_POINTER(func);
((void (*)())func)();
}
void factor_vm::factor_sleep(long us)
{
void *func = alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
CODE_TO_FUNCTION_POINTER(func);
((void (*)(long))func)(us);
}
void factor_vm::start_standalone_factor(int argc, vm_char **argv)
{
vm_parameters p;
default_parameters(&p);
init_parameters_from_args(&p,argc,argv);
init_factor(&p);
pass_args_to_factor(argc,argv);
start_factor(&p);
}
factor_vm *new_factor_vm()
{
THREADHANDLE thread = thread_id();
factor_vm *newvm = new factor_vm(thread);
register_vm_with_thread(newvm);
thread_vms[thread] = newvm;
return newvm;
}
VM_C_API void start_standalone_factor(int argc, vm_char **argv)
{
factor_vm *newvm = new_factor_vm();
return newvm->start_standalone_factor(argc,argv);
}
}
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