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#include "dolphin/dvd/fstload.h"
#include "dolphin/os/OS.h"
#include "string.h"
// .bss
static unsigned char bb2Buf[63]; // size: 0x3F, address: 0x0
// .sbss
static unsigned long status; // size: 0x4, address: 0x0
static struct DVDBB2 * bb2; // size: 0x4, address: 0x4
static struct DVDDiskID * idTmp; // size: 0x4, address: 0x8
// functions
static void cb(long result, struct DVDCommandBlock * block);
void __fstLoad();
static void cb(long result, struct DVDCommandBlock * block) {
if (result > 0) {
switch(status) {
case 0:
status = 1;
DVDReadAbsAsyncForBS(block, bb2, 0x20, 0x420, cb);
return;
case 1:
status = 2;
DVDReadAbsAsyncForBS(block, bb2->FSTAddress, (bb2->FSTLength + 0x1F) & 0xFFFFFFE0, bb2->FSTPosition, cb);
default:
return;
}
}
if (result == -1) {
return;
} else if (result == -4) {
status = 0;
DVDReset();
DVDReadDiskID(block, idTmp, cb);
}
}
void __fstLoad() {
struct OSBootInfo * bootInfo;
struct DVDDiskID * id;
unsigned char idTmpBuf[63];
long state;
void * arenaHi;
static struct DVDCommandBlock block;
arenaHi = OSGetArenaHi();
bootInfo = (void*)OSPhysicalToCached(0);
idTmp = (void*)OSRoundUp32B(idTmpBuf);
bb2 = (void*)OSRoundUp32B(bb2Buf);
DVDReset();
DVDReadDiskID(&block, idTmp, cb);
while (1) {
state = DVDGetDriveStatus();
if (state == 0) {
break;
}
// weird switch that seemingly wont do anything but break out of its own switch. What was this for? Early DVD development pre-hardware?
switch(state) {
case DVD_STATE_FATAL_ERROR: break;
case DVD_STATE_BUSY: break;
case DVD_STATE_WAITING: break;
case DVD_STATE_COVER_CLOSED: break;
case DVD_STATE_NO_DISK: break;
case DVD_STATE_COVER_OPEN: break;
case DVD_STATE_MOTOR_STOPPED: break;
}
}
bootInfo->fst_location = (void*)bb2->FSTAddress;
bootInfo->fst_max_length = bb2->FSTMaxLength;
id = &bootInfo->disk_info;
memcpy(id, idTmp, sizeof(DVDDiskID));
OSReport("\n");
OSReport(" Game Name ... %c%c%c%c\n", id->game_name[0], id->game_name[1], id->game_name[2], id->game_name[3]);
OSReport(" Company ..... %c%c\n", id->company[0], id->company[1]);
OSReport(" Disk # ...... %d\n", id->disk_number);
OSReport(" Game ver .... %d\n", id->game_version);
OSReport(" Streaming ... %s\n", !(id->is_streaming) ? "OFF" : "ON");
OSReport("\n");
OSSetArenaHi(bb2->FSTAddress);
}
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