sint32 EMU_CALL psx_init(void) {
sint32 r;
psx_endian_check();
psx_size_check();
// BIOS must be loaded first
if ( !bios_get_image_native() || !bios_get_imagesize() ) return 0;
//
// BIOS must be a power of 2, or all hell breaks loose
//
{ uint32 s = bios_get_imagesize();
if(s & (s - 1)) psx_hang("imagesize error");
}
//
// Environment inits
//
ps1preboot = getenvhex("ps1preboot");
ps2preboot = getenvhex("ps2preboot");
r = iop_init(); if(r) return r;
r = ioptimer_init(); if(r) return r;
r = r3000_init(); if(r) return r;
r = spu_init(); if(r) return r;
r = spucore_init(); if(r) return r;
r = vfs_init(); if(r) return r;
library_was_initialized = 1;
return 0;
}
// slightly refactored original heplug.c logic here...
int he_install_bios(const char *he_bios_path) {
// dumpComressedHeBios(); // tmp utility
if ( !bios_get_imagesize() ) {
// if ((he_bios_path == 0) || !strlen(he_bios_path)) {
#ifdef BUILTIN_HEBIOS
// use built-in hebios
void * he_bios = malloc( HEBIOS_SIZE );
long hebios_size= HEBIOS_SIZE;
if (Z_OK != uncompress(he_bios, &hebios_size, zhebios, zhebios_size)) {
trace( "he: BIOS uncompress error\n" );
return -1;
}
if (hebios_size != HEBIOS_SIZE) {
trace( "he: BIOS uncompress mismatch\n" );
return -1;
}
bios_set_image( he_bios, hebios_size );
trace( "he: using built-in hebios\n" );
#else
// } else {
// install specific bios
if ( !*he_bios_path ) {
trace( "he: no BIOS set\n" );
return -1;
}
FILE * f = psf_file_fopen( he_bios_path );
if ( !f ) {
trace( "he: failed to open bios %s\n", he_bios_path );
return -1;
}
void * ps2_bios = malloc( 0x400000 );
if ( !ps2_bios ) {
psf_file_fclose( f );
trace( "he: out of memory\n" );
return -1;
}
int compressionEnabled= 1;
size_t ps2_bios_size= 0;
if (compressionEnabled && isCompressed(he_bios_path)) {
size_t compressed_size = em_fgetlength( f );
if (tmp_bios_buffer) { free(tmp_bios_buffer);}
tmp_bios_buffer= malloc( compressed_size );
if ( psf_file_fread( tmp_bios_buffer, 1, compressed_size, f ) < compressed_size ) {
free( tmp_bios_buffer );
psf_file_fclose( f );
trace( "he: error reading compressed bios\n" );
return -1;
}
ps2_bios_size= inflate2(tmp_bios_buffer, compressed_size, ps2_bios, 0x400000);
if (ps2_bios_size < 0x400000) {
free( ps2_bios );
psf_file_fclose( f );
trace( "he: could not uncompress bios\n" );
return -1;
}
} else {
size_t ps2_bios_size = em_fgetlength( f );
if ( ps2_bios_size != 0x400000 ) {
psf_file_fclose( f );
trace( "he: bios is wrong size\n" );
return -1;
}
if ( psf_file_fread( ps2_bios, 1, 0x400000, f ) < 0x400000 ) {
free( ps2_bios );
psf_file_fclose( f );
trace( "he: error reading bios\n" );
return -1;
}
psf_file_fclose( f );
}
int bios_size = 0x400000;
void * he_bios = mkhebios_create( ps2_bios, &bios_size );
trace( "he: fucko - %p, %p, %u\n", ps2_bios, he_bios, bios_size );
free( ps2_bios );
if ( !he_bios )
{
trace( "he: error processing bios\n" );
return -1;
}
bios_set_image( he_bios, bios_size );
// }
#endif
}
return 0;
}
