blargg_err_t Gme_File::load_file( const char* path )
{
pre_load();
GME_FILE_READER in;
RETURN_ERR( in.open( path ) );
return post_load( load_( in ) );
}
static void
load_segment64(unsigned long *file_addr, struct phdr64 *phdr, signed long offset,
int (*pre_load)(void*, long),
void (*post_load)(void*, long))
{
unsigned long src = phdr->p_offset + (unsigned long) file_addr;
unsigned long destaddr;
destaddr = phdr->p_paddr + offset;
/* check if we're allowed to copy */
if (pre_load != NULL) {
if (pre_load((void*)destaddr, phdr->p_memsz) != 0)
return;
}
/* copy into storage */
memmove((void*)destaddr, (void*)src, phdr->p_filesz);
/* clear bss */
memset((void*)(destaddr + phdr->p_filesz), 0,
phdr->p_memsz - phdr->p_filesz);
if (phdr->p_memsz && post_load != NULL) {
post_load((void*)destaddr, phdr->p_memsz);
}
}
void IEngine::initialize(const string& json_str)
{
// init reader / writer / logger first
init();
// record its status
WRITE_ENGINE_STATUS(WC_ENGINE_STATUS_IDLE);
// prepare config information
json j_config = json::parse(json_str);
for (json::const_iterator iter = j_config.begin(); iter != j_config.end(); ++iter)
{
KF_LOG_INFO(logger, "IEngine::init " << iter.key() << "->" << iter.value().dump());
}
// pre_load process is mainly for IMDEngine or ITDEngine,
// engine-wise control information loading, sometimes needs to be loaded before.
pre_load(j_config);
// load config information
load(j_config);
}
blargg_err_t Gme_File::load( Data_Reader& in )
{
pre_load();
return post_load( load_( in ) );
}
blargg_err_t Gme_File::load_mem( void const* in, long size )
{
pre_load();
return post_load( load_mem_( (byte const*) in, size ) );
}
blargg_err_t Gme_Loader::load_mem( void const* in, long size )
{
pre_load();
return post_load_( load_mem_wrapper( (byte const*) in, (int) size ) );
}
