Files
TempleOS-Rijn/Kernel/Dsk/DskATA.CPP
T
2018-09-08 21:46:09 +02:00

888 lines
23 KiB
C++

U0 ATABlkSelect(CBlkDev *bdev,I64 blk,I64 cnt)
{
if (bdev->type!=BDT_ATAPI && bdev->base1)
OutU8(bdev->base1+ATAR1_CTRL,0x8);
if (bdev->flags & BDF_EXT_SIZE) {
OutU8(bdev->base0+ATAR0_NSECT,cnt.u8[1]);
OutU8(bdev->base0+ATAR0_SECT,blk.u8[3]);
OutU8(bdev->base0+ATAR0_LCYL,blk.u8[4]);
OutU8(bdev->base0+ATAR0_HCYL,blk.u8[5]);
OutU8(bdev->base0+ATAR0_NSECT,cnt);
OutU8(bdev->base0+ATAR0_SECT,blk);
OutU8(bdev->base0+ATAR0_LCYL,blk.u8[1]);
OutU8(bdev->base0+ATAR0_HCYL,blk.u8[2]);
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
} else {
OutU8(bdev->base0+ATAR0_NSECT,cnt);
OutU8(bdev->base0+ATAR0_SECT,blk);
OutU8(bdev->base0+ATAR0_LCYL,blk.u8[1]);
OutU8(bdev->base0+ATAR0_HCYL,blk.u8[2]);
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4|blk.u8[3]);
}
}
Bool ATAWaitNotBUSY(CBlkDev *bdev,F64 timeout)
{
I64 i;
do {
for (i=0;i<3;i++)
if (!(InU8(bdev->base0+ATAR0_STAT)&ATAS_BSY))
return TRUE;
Yield;
} while (!(0<timeout<tS));
return FALSE;
}
Bool ATAWaitDRQ(CBlkDev *bdev,F64 timeout)
{
I64 i;
do {
for (i=0;i<3;i++)
if (InU8(bdev->base0+ATAR0_STAT)&ATAS_DRQ)
return TRUE;
Yield;
} while (!(0<timeout<tS));
return FALSE;
}
Bool ATANop(CBlkDev *bdev,F64 timeout)
{
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_FEAT,0);
OutU8(bdev->base0+ATAR0_CMD,ATA_NOP);
return ATAWaitNotBUSY(bdev,timeout);
}
U0 ATACmd(CBlkDev *bdev,U8 cmd)
{
OutU8(bdev->base0+ATAR0_FEAT,0);
OutU8(bdev->base0+ATAR0_CMD,cmd);
bdev->last_time=tS;
PortNop;
}
Bool ATAGetResult(CBlkDev *bdev,F64 timeout,U8 *buf,I64 cnt,I64 _avail,Bool one_read)
{
I64 avail,overflow;
bdev->flags&=~BDF_LAST_WAS_WRITE;
MemSet(buf,0,cnt);
while (cnt>0) {
if (!ATAWaitDRQ(bdev,timeout))
return FALSE;
if (_avail)
avail=_avail;
else
avail=InU8(bdev->base0+ATAR0_HCYL)<<8+InU8(bdev->base0+ATAR0_LCYL);
if (avail) {
if (avail>cnt) {
overflow=avail-cnt;
avail=cnt;
} else
overflow=0;
if (avail&2)
RepInU16(buf,avail>>1,bdev->base0+ATAR0_DATA);
else
RepInU32(buf,avail>>2,bdev->base0+ATAR0_DATA);
cnt-=avail;
buf+=avail;
while (overflow>0) {
InU16(bdev->base0+ATAR0_DATA);
overflow-=2;
if (0<timeout<tS)
return FALSE;
}
if (one_read)
break;
} else
Yield;
}
return ATAWaitNotBUSY(bdev,timeout);
}
Bool ATAPIWritePktWord(CBlkDev *bdev,F64 timeout,...)
{
I64 i;
for (i=0;i<argc;i++) {
if (!ATAWaitDRQ(bdev,timeout))
return FALSE;
OutU16(bdev->base0+ATAR0_DATA,EndianU16(argv[i]));
bdev->last_time=tS;
}
return TRUE;
}
Bool ATAPISetMaxSpeed(CBlkDev *bdev)
{
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,0);
OutU8(bdev->base0+ATAR0_HCYL,0);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0xBB00,0xFFFF,0xFFFF,0,0,0);
return ATAWaitNotBUSY(bdev,0);
}
Bool ATAPISeek(CBlkDev *bdev,I64 native_blk)
{
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,0);
OutU8(bdev->base0+ATAR0_HCYL,0);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0x2B00,native_blk>>16,native_blk,0,0,0);
return ATAWaitNotBUSY(bdev,0);
}
Bool ATAPIStartStop(CBlkDev *bdev,F64 timeout,Bool start)
{
I64 i;
if (start)
i=0x100;
else
i=0;
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
ATACmd(bdev,ATA_PACKET);
//Start/Stop
if (ATAPIWritePktWord(bdev,timeout,0x1B00,0,i,0,0,0))
return ATAWaitNotBUSY(bdev,timeout);
else
return FALSE;
}
I64 ATAGetDevId(CBlkDev *bdev,F64 timeout,U16 **_id_record)
{
U16 *id_record;
if (_id_record) *_id_record=NULL;
if (bdev->type!=BDT_ATAPI && bdev->base1)
OutU8(bdev->base1+ATAR1_CTRL,0x8);
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
ATACmd(bdev,ATA_ID_DEV);
if (!ATAWaitNotBUSY(bdev,timeout))
return BDT_NULL;
if (InU8(bdev->base0+ATAR0_STAT)&ATAS_ERR)
return BDT_ATAPI;
id_record=ACAlloc(512);
if (!ATAGetResult(bdev,timeout,id_record,512,512,FALSE)) {
Free(id_record);
return BDT_NULL;
}
if (_id_record) *_id_record=id_record;
return BDT_ATA;
}
I64 ATAReadNativeMax(CBlkDev *bdev,F64 timeout)
{//Returns zero on err
I64 result=0;
Bool okay=TRUE;
if (bdev->type==BDT_ATAPI) {
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
ATACmd(bdev,ATA_DEV_RST);
if (!ATAWaitNotBUSY(bdev,0))
okay=FALSE;
} else {
while (InU8(bdev->base0+ATAR0_STAT) & ATAS_BSY) {
if (bdev->flags&BDF_LAST_WAS_WRITE)
OutU16(bdev->base0+ATAR0_DATA,0);
else
InU16(bdev->base0+ATAR0_DATA);
Yield;
if (0<timeout<tS)
return FALSE;
}
Free(bdev->dev_id_record);
if (ATAGetDevId(bdev,timeout,&bdev->dev_id_record)==BDT_NULL)
okay=FALSE;
else
BEqu(&bdev->flags,BDf_EXT_SIZE,Bt(&bdev->dev_id_record[86],10));
}
if (okay) {
if (bdev->flags & BDF_EXT_SIZE && bdev->base1) {
OutU8(bdev->base1+ATAR1_CTRL,0x8);
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
ATACmd(bdev,ATA_READ_NATIVE_MAX_EXT);
if (ATAWaitNotBUSY(bdev,timeout)) {
result.u8[0]=InU8(bdev->base0+ATAR0_SECT);
result.u8[1]=InU8(bdev->base0+ATAR0_LCYL);
result.u8[2]=InU8(bdev->base0+ATAR0_HCYL);
OutU8(bdev->base1+ATAR1_CTRL,0x80);
result.u8[3]=InU8(bdev->base0+ATAR0_SECT);
result.u8[4]=InU8(bdev->base0+ATAR0_LCYL);
result.u8[5]=InU8(bdev->base0+ATAR0_HCYL);
if (result>>24==result&0xFFFFFF) {//Kludge to make qemu-kvm work
bdev->flags&=~BDF_EXT_SIZE;
result&=0xFFFFFF;
}
}
} else {
if (bdev->type!=BDT_ATAPI && bdev->base1)
OutU8(bdev->base1+ATAR1_CTRL,0x8);
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
ATACmd(bdev,ATA_READ_NATIVE_MAX);
if (ATAWaitNotBUSY(bdev,timeout)) {
result.u8[0]=InU8(bdev->base0+ATAR0_SECT);
result.u8[1]=InU8(bdev->base0+ATAR0_LCYL);
result.u8[2]=InU8(bdev->base0+ATAR0_HCYL);
result.u8[3]=InU8(bdev->base0+ATAR0_SELECT) & 0xF;
}
}
}
return bdev->max_blk=result;
}
I64 ATAPIReadCapacity(CBlkDev *bdev,I64 *_blk_size=NULL)
{//Supposedly this can return a result +/- 75 sects.
//Error might just be for music.
Bool unlock=BlkDevLock(bdev);
U32 buf[2];
if (ATAWaitNotBUSY(bdev,0)) {
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,8);
OutU8(bdev->base0+ATAR0_HCYL,0);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0x2500,0,0,0,0,0);
if (!ATAGetResult(bdev,0,buf,8,0,TRUE))
buf[0]=buf[1]=0;
} else
buf[0]=buf[1]=0;
if (unlock) BlkDevUnlock(bdev);
if (_blk_size) *_blk_size=EndianU32(buf[1]);
return EndianU32(buf[0]);
}
CATAPITrack *ATAPIReadTrackInfo(CBlkDev *bdev,I64 blk)
{
CATAPITrack *result=CAlloc(sizeof(CATAPITrack));
Bool unlock=BlkDevLock(bdev);
if (ATAWaitNotBUSY(bdev,0)) {
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,sizeof(CATAPITrack)&0xFF);
OutU8(bdev->base0+ATAR0_HCYL,sizeof(CATAPITrack)>>8);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0x5200,blk.u16[1],blk.u16[0],
(sizeof(CATAPITrack)&0xFF00)>>8,(sizeof(CATAPITrack)&0x00FF)<<8,0);
if (!ATAGetResult(bdev,0,result,sizeof(CATAPITrack),0,TRUE)) {
Free(result);
result=NULL;
}
} else {
Free(result);
result=NULL;
}
if (unlock) BlkDevUnlock(bdev);
return result;
}
Bool ATAInit(CBlkDev *bdev)
{
Bool unlock=BlkDevLock(bdev),okay=FALSE;
if (bdev->type==BDT_ATAPI)
bdev->flags&=~BDF_EXT_SIZE;
else
bdev->flags|=BDF_EXT_SIZE;
if (ATAReadNativeMax(bdev,tS+0.1)) {
ATABlkSelect(bdev,bdev->max_blk,0);
if (bdev->flags&BDF_EXT_SIZE)
ATACmd(bdev,ATA_SET_MAX_EXT);
else
ATACmd(bdev,ATA_SET_MAX);
if (ATAWaitNotBUSY(bdev,0)) {
okay=TRUE;
if (bdev->type==BDT_ATAPI) {
if (ATAPIStartStop(bdev,0,TRUE)) {
if(!ATAPISetMaxSpeed(bdev))
okay=FALSE;
} else
okay=FALSE;
}
}
}
if (unlock) BlkDevUnlock(bdev);
return okay;
}
Bool ATAPIWaitReady(CBlkDev *bdev,F64 timeout)
{
do {
if (!ATAWaitNotBUSY(bdev,timeout) ||
!ATANop(bdev,timeout) ||
!ATAPIStartStop(bdev,timeout,TRUE))
return FALSE;
if (InU8(bdev->base0+ATAR0_STAT) & ATAS_DRDY &&
!InU8(bdev->base0+ATAR0_FEAT));
return TRUE;
ATAInit(bdev);
Yield;
} while (!(0<timeout<tS));
return FALSE;
}
U0 ATAReadBlks(CBlkDev *bdev,U8 *buf, I64 blk, I64 cnt)
{
I64 retries=3;
Bool unlock=BlkDevLock(bdev);
retry:
ATABlkSelect(bdev,blk,cnt);
if (bdev->flags & BDF_EXT_SIZE)
ATACmd(bdev,ATA_READ_MULTI_EXT);
else
ATACmd(bdev,ATA_READ_MULTI);
if (!ATAGetResult(bdev,tS+1.0,buf,cnt*bdev->blk_size,BLK_SIZE,FALSE)) {
if (retries--) {
ATAWaitNotBUSY(bdev,0);
goto retry;
} else
throw('BlkDev');
}
dsk.read_cnt+=(cnt*bdev->blk_size)>>BLK_SIZE_BITS;
if (unlock) BlkDevUnlock(bdev);
}
I64 ATAProbe(I64 base0,I64 base1,I64 unit)
{
CBlkDev bdev;
MemSet(&bdev,0,sizeof(CBlkDev));
bdev.type=BDT_ATAPI;
bdev.base0=base0;
bdev.base1=base1;
bdev.unit=unit;
bdev.blk_size=CD_BLK_SIZE;
return ATAGetDevId(&bdev,tS+0.1,NULL);
}
Bool ATAPIReadBlks2(CBlkDev *bdev,F64 timeout,U8 *buf, I64 native_blk, I64 cnt,Bool lock)
{
Bool result=FALSE,unlock;
if (cnt<=0)
return FALSE;
if (lock)
unlock=BlkDevLock(bdev);
if (ATAPIWaitReady(bdev,timeout)) {
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,bdev->blk_size);
OutU8(bdev->base0+ATAR0_HCYL,bdev->blk_size.u8[1]);
ATACmd(bdev,ATA_PACKET);
if (ATAPIWritePktWord(bdev,timeout,0xA800,
native_blk.u16[1],native_blk,cnt.u16[1],cnt,0) &&
ATAGetResult(bdev,timeout,buf,cnt*bdev->blk_size,0,FALSE)) {
dsk.read_cnt+=(cnt*bdev->blk_size)>>BLK_SIZE_BITS;
result=TRUE;
}
}
// ATAPIStartStop(bdev,0,FALSE);
if (lock && unlock) BlkDevUnlock(bdev);
return result;
}
U0 ATAPIReadBlks(CBlkDev *bdev,U8 *buf, I64 blk, I64 cnt)
{
CPrt *p=Drv2Prt(bdev->first_drv_let);
I64 retry,spc=bdev->blk_size>>BLK_SIZE_BITS,n,blk2,
l2=bdev->max_reads<<1+spc<<1;
U8 *cd_buf=MAlloc(l2<<BLK_SIZE_BITS);
if (cnt>0) {
if (blk<=bdev->max_reads)
blk2=0;
else
blk2=FloorU64(blk-bdev->max_reads,spc);
if (blk2+l2>p->size)
l2=p->size-blk2;
n=(l2+spc-1)/spc;
retry=4;
while (--retry)
if (ATAPIReadBlks2(bdev,tS+7.0+0.004*n,cd_buf,blk2/spc,n,TRUE))
//n is 0x800 if max_reads. Up to 8 additional seconds
break;
if (!retry)
ATAPIReadBlks2(bdev,0,cd_buf,blk2/spc,n,TRUE);
if (bdev->flags & BDF_READ_CACHE)
DskCacheAdd(p,cd_buf,blk2,n*spc);
MemCpy(buf,cd_buf+(blk-blk2)<<BLK_SIZE_BITS,cnt<<BLK_SIZE_BITS);
}
Free(cd_buf);
}
Bool ATARBlks(CPrt *p,U8 *buf, I64 blk, I64 cnt)
{
I64 n;
CBlkDev *bdev=p->bdev;
while (cnt>0) {
n=cnt;
if (n>bdev->max_reads)
n=bdev->max_reads;
if (bdev->type==BDT_ATAPI)
ATAPIReadBlks(bdev,buf,blk,n);
else
ATAReadBlks(bdev,buf,blk,n);
buf+=n<<BLK_SIZE_BITS;
blk+=n;
cnt-=n;
}
return TRUE;
}
U0 ATAWriteBlks(CBlkDev *bdev,U8 *buf, I64 blk, I64 cnt)
{//For low level disk access.
//Use WBlks() instead.
I64 i,U32s_avail,sects_avail,retries=3;
F64 timeout;
Bool unlock=BlkDevLock(bdev);
retry:
ATABlkSelect(bdev,blk,cnt);
if (bdev->flags&BDF_EXT_SIZE)
ATACmd(bdev,ATA_WRITE_MULTI_EXT);
else
ATACmd(bdev,ATA_WRITE_MULTI);
bdev->flags|=BDF_LAST_WAS_WRITE;
while (cnt>0) {
timeout=tS+1.0;
while (TRUE) {
i=InU8(bdev->base0+ATAR0_STAT);
if (!(i & ATAS_DRDY)||!(i & ATAS_DRQ)) {
Yield;
} else
break;
if (/* i&ATAS_ERR||*/ tS>timeout) {
if (retries--) {
ATAWaitNotBUSY(bdev,0);
goto retry;
} else
throw('BlkDev');
}
}
sects_avail=1;
U32s_avail=sects_avail<<BLK_SIZE_BITS>>2;
RepOutU32(buf,U32s_avail,bdev->base0+ATAR0_DATA);
buf+=U32s_avail<<2;
cnt-=sects_avail;
retries=3;
}
ATAWaitNotBUSY(bdev,0);
if (unlock) BlkDevUnlock(bdev);
}
Bool ATAPISync(CBlkDev *bdev)
{
Bool okay=TRUE;
if (!ATAWaitNotBUSY(bdev,0))
okay=FALSE;
else {
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,0);
OutU8(bdev->base0+ATAR0_HCYL,0);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0x3500,0,0,0,0,0);
if (!ATAWaitNotBUSY(bdev,0))
okay=FALSE;
}
return okay;
}
U0 ATAPIClose(CBlkDev *bdev,I64 close_field=0x200,I64 track=0)
{//0x200 CD/DVD part 1
// 0x300 DVD part 2
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,0);
OutU8(bdev->base0+ATAR0_HCYL,0);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0x5B00,close_field,track,0,0,0);
ATAWaitNotBUSY(bdev,0);
}
U0 ATAPIWriteBlks(CBlkDev *bdev,U8 *buf, I64 native_blk, I64 cnt)
{
I64 U32s_avail;
U8 *buf2;
ATAWaitNotBUSY(bdev,0);
ATAPISeek(bdev,native_blk);
OutU8(bdev->base0+ATAR0_FEAT,0);
OutU8(bdev->base0+ATAR0_LCYL,bdev->blk_size);
OutU8(bdev->base0+ATAR0_HCYL,bdev->blk_size.u8[1]);
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_CMD,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0x0400,native_blk.u16[1],native_blk,cnt.u16[1],cnt,0);
bdev->flags|=BDF_LAST_WAS_WRITE;
ATAWaitNotBUSY(bdev,0);
ATAPISeek(bdev,native_blk);
if (bdev->flags & BDF_EXT_SIZE)
OutU8(bdev->base0+ATAR0_SELECT,0xEF|bdev->unit<<4);
else
OutU8(bdev->base0+ATAR0_SELECT,0xE0|bdev->unit<<4);
OutU8(bdev->base0+ATAR0_LCYL,bdev->blk_size);
OutU8(bdev->base0+ATAR0_HCYL,bdev->blk_size.u8[1]);
ATACmd(bdev,ATA_PACKET);
ATAPIWritePktWord(bdev,0,0xAA00,native_blk.u16[1],native_blk,cnt.u16[1],cnt,0);
buf2=buf+bdev->blk_size*cnt;
while (buf<buf2) {
ATAWaitDRQ(bdev,0);
U32s_avail=(InU8(bdev->base0+ATAR0_HCYL)<<8+InU8(bdev->base0+ATAR0_LCYL))>>2;
if (buf+U32s_avail<<2>buf2)
U32s_avail=(buf2-buf)>>2;
if (U32s_avail) {
RepOutU32(buf,U32s_avail,bdev->base0+ATAR0_DATA);
buf+=U32s_avail<<2;
dsk.write_cnt+=U32s_avail>>(BLK_SIZE_BITS-2);
}
}
ATAWaitNotBUSY(bdev,0);
}
Bool ATAWBlks(CPrt *p,U8 *buf, I64 blk, I64 cnt)
{
I64 n,spc;
CBlkDev *bdev=p->bdev;
Bool unlock;
spc=bdev->blk_size>>BLK_SIZE_BITS;
if (bdev->type==BDT_ATAPI) {
unlock=BlkDevLock(bdev);
ATAPIWaitReady(bdev,0);
}
while (cnt>0) {
n=cnt;
if (n>bdev->max_writes)
n=bdev->max_writes;
if (bdev->type==BDT_ATAPI)
ATAPIWriteBlks(bdev,buf,blk/spc,(n+spc-1)/spc);
else
ATAWriteBlks(bdev,buf,blk,n);
buf+=n<<BLK_SIZE_BITS;
blk+=n;
cnt-=n;
dsk.write_cnt+=n;
}
if (bdev->type==BDT_ATAPI) {
ATAPISync(bdev);
// ATAPIStartStop(bdev,0,FALSE);
if (unlock) BlkDevUnlock(bdev);
}
return TRUE;
}
Bool BootCdProbe(CBlkDev *bdev)
{
CKernel *img=CAlloc(CD_BLK_SIZE);
I64 i;
Bool result=FALSE;
"Port: %04X,%04X Unit: %02X ",bdev->base0,bdev->base1,bdev->unit;
if (ATAProbe(bdev->base0,bdev->base1,bdev->unit)==BDT_ATAPI) {
" ATAPI";
if (ATAPIStartStop(bdev,tS+5.0,TRUE)) {
" Started";
for (i=0;i<2;i++) {//Retry
if (ATAPIReadBlks2(bdev,tS+7.0,img,sys_boot_code.u16[1],1,FALSE)) {
if (img->compile_time==sys_compile_time) {
" Found";
return TRUE;
} else
" Read";
} else
" NoRead";
}
}
}
" Nope\n";
Free(img);
return result;
}
Bool BootCdProbeAll(CBlkDev *bdev)
{
I64 d1,d2,i,j,k;
bdev->base1=0;
for (k=0;k<256;k++) {
i=-1;
while (TRUE) {
j=PCIClassFind(0x010100+k,++i);
if (j<0)
break;
"Subcode:0x%X Bus:0x%X Dev:0x%X Fun:0x%X\n",k,j.u8[2],j.u8[1],j.u8[0];
d1=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x10);
d2=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x14);
if (d1&1 && d2&1) {
if (bdev->base0=d1&-8) {
bdev->unit=0;
if (BootCdProbe(bdev))
return TRUE;
bdev->unit=1;
if (BootCdProbe(bdev))
return TRUE;
}
}
d1=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x18);
d2=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x1C);
if (d1&1 && d2&1) {
if (bdev->base0=d1&-8) {
bdev->unit=0;
if (BootCdProbe(bdev))
return TRUE;
bdev->unit=1;
if (BootCdProbe(bdev))
return TRUE;
}
}
}
}
d1=0x1F0;
d2=0x3F6;
if (bdev->base0=d1&-8) {
bdev->unit=0;
if (BootCdProbe(bdev))
return TRUE;
bdev->unit=1;
if (BootCdProbe(bdev))
return TRUE;
}
d1=0x170;
d2=0x376;
if (bdev->base0=d1&-8) {
bdev->unit=0;
if (BootCdProbe(bdev))
return TRUE;
bdev->unit=1;
if (BootCdProbe(bdev))
return TRUE;
}
}
U0 ATARepEntry(I64 base0,I64 base1,I64 unit,I64 irq,U8 *msg,CATARep **_root,I64 *num_hints)
{
I64 type;
base0&=-8;
base1&=-4;
CATARep *tempha;
if (type=ATAProbe(base0,base1,unit)) {
*num_hints+=1;
"\n\n$$PURPLE$$ $$BT+X,\"%d\",LM=\"%d\\n\"$$$$FG$$$$LM,4$$",*num_hints,*num_hints;
if (type==BDT_ATA)
"$$RED$$ATA ";
else
"$$RED$$ATAPI ";
"$$LTBLUE$$%s$$FG$$\nBase0:0x%04X Base1:0x%04X\nIrq:0x%02X Unit:%d$$LM,0$$\n",msg,base0,base1,irq,unit;
if (_root) {
tempha=CAlloc(sizeof(CATARep));
tempha->next=*_root;
*_root=tempha;
tempha->num=*num_hints;
tempha->type=type;
tempha->base0=base0;
tempha->base1=base1;
tempha->unit=unit;
}
}
}
Bool ATARepExitAllApplications()
{
"\nWe're going to probe hardware.\n"
"$$RED$$Exit all other applications.$$FG$$\n"
"Press '$$PURPLE$$p$$FG$$' to probe or '$$PURPLE$$s$$FG$$' to skip.\n";
if (ToUpper(GetChar(,FALSE))=='S')
return TRUE;
else
return FALSE;
}
public I64 ATARep(Bool pmt=TRUE,Bool just_ide=FALSE,CATARep **_root=NULL)
{//Report possible ATA devices by probing. Hard disks and CD/DVDs.
I64 d1,d2,d3,i,j,k,cnt=0,unlock_flags=0,num_hints=0;
#assert NUM_BLKDEVS<=64
Bool old_preempt;
if (_root) *_root=NULL;
if (pmt && ATARepExitAllApplications)
return 0;
old_preempt=Preempt(OFF);
for (i=0;i<NUM_BLKDEVS;i++)
if (dsk.blkdevs[i].bd_signature==BD_SIGNATURE_VAL)
BEqu(&unlock_flags,i,
BlkDevLock(&dsk.blkdevs[i]));
if (!just_ide)
for (k=0;k<256;k++) {
i=-1;
while (TRUE) {
j=PCIClassFind(0x010100+k,++i);
if (j<0)
break;
"\nSubcode:0x%X Bus:0x%X Dev:0x%X Fun:0x%X\n",k,j.u8[2],j.u8[1],j.u8[0];
cnt++;
d1=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x10);
d2=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x14);
d3=PCIReadU8(j.u8[2],j.u8[1],j.u8[0],0x3C);
if (d1&1 && d2&1) {
ATARepEntry(d1,d2,0,d3,"Primary IDE",_root,&num_hints);
ATARepEntry(d1,d2,1,d3,"Primary IDE",_root,&num_hints);
} else {
d1=0x1F0; d2=0x3F6; d3=14;
ATARepEntry(d1,d2,0,d3,"Primary IDE",_root,&num_hints);
ATARepEntry(d1,d2,1,d3,"Primary IDE",_root,&num_hints);
}
d1=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x18);
d2=PCIReadU32(j.u8[2],j.u8[1],j.u8[0],0x1C);
if (d1&1 && d2&1) {
ATARepEntry(d1,d2,0,d3,"Secondary IDE",_root,&num_hints);
ATARepEntry(d1,d2,1,d3,"Secondary IDE",_root,&num_hints);
} else {
d1=0x170; d2=0x376; d3=15;
ATARepEntry(d1,d2,0,d3,"Secondary IDE",_root,&num_hints);
ATARepEntry(d1,d2,1,d3,"Secondary IDE",_root,&num_hints);
}
}
}
if (!cnt) {
d1=0x1F0; d2=0x3F6; d3=14;
ATARepEntry(d1,d2,0,d3,"Primary IDE",_root,&num_hints);
ATARepEntry(d1,d2,1,d3,"Primary IDE",_root,&num_hints);
d1=0x170; d2=0x376; d3=15;
ATARepEntry(d1,d2,0,d3,"Secondary IDE",_root,&num_hints);
ATARepEntry(d1,d2,1,d3,"Secondary IDE",_root,&num_hints);
}
'\n\n';
for (i=0;i<NUM_BLKDEVS;i++)
if (Bt(&unlock_flags,i))
BlkDevUnlock(&dsk.blkdevs[i]);
Preempt(old_preempt);
return num_hints;
}
CATARep *ATAIDDrvs(CATARep *root,U8 _sys_acct_drv,CATARep **_ata_drv,CATARep **_atapi_drv)
{//When trying to sort-out main hard drives
//and CD-ROM drives, this is needed.
CATARep *result=NULL,*tempha=root,*ata_drv=NULL,*atapi_drv=NULL;
CBlkDev *bdev;
Bool was_silent=Silent(ON);
try
bdev=Drv2BlkDev(_sys_acct_drv);
catch {
Fs->catch_except=TRUE;
bdev=NULL;
}
Silent(was_silent);
while (tempha) {
if (!result && bdev && bdev->type==tempha->type) {
if (bdev->type==BDT_ATAPI &&
bdev->base0==tempha->base0 && bdev->unit==tempha->unit)
result=atapi_drv=tempha;
else if (bdev->type==BDT_ATA && bdev->base0==tempha->base0 &&
bdev->base1==tempha->base1 && bdev->unit==tempha->unit)
result=ata_drv=tempha;
}
if (!result || result->type!=tempha->type) {
if (tempha->type==BDT_ATA) {
if (!ata_drv || tempha->unit<ata_drv->unit ||
tempha->unit==ata_drv->unit && tempha->num<ata_drv->num)
ata_drv=tempha;
} else if (tempha->type==BDT_ATAPI) {
if (!atapi_drv || tempha->unit<atapi_drv->unit ||
tempha->unit==atapi_drv->unit && tempha->num<atapi_drv->num)
atapi_drv=tempha;
}
}
tempha=tempha->next;
}
if (_ata_drv) *_ata_drv =ata_drv;
if (_atapi_drv) *_atapi_drv=atapi_drv;
return result;
}
CBlkDev *ATAMount(U8 first_drv_let,I64 type,I64 base0,I64 base1,I64 unit)
{
CBlkDev *result;
if (0<=first_drv_let-'A'<NUM_PRTS && (type==BDT_ATA || type==BDT_ATAPI) &&
0<=unit<=1) {
result=BlkDevNextFree(first_drv_let,type);
result->unit=unit;
result->base0=base0;
result->base1=base1;
if (BlkDevAdd(result,FALSE,FALSE))
return result;
}
return NULL;
}
I64 AutoMountIDE()
{//Try to mount hard drive and CD/DVD, automatically. (Kernel.Cfg option).
//It uses 'C' and 'T' as first drive letters or whatever you set
//in config when compiling Kernel.BIN.
I64 result=0;
CATARep *root=NULL,*ata_drv=NULL,*atapi_drv=NULL,*tempha;
ATARep(FALSE,TRUE,&root);
ATAIDDrvs(root,*sys_acct,&ata_drv,&atapi_drv);
if (ata_drv && ATAMount(dsk.first_hd_drv_let,BDT_ATA,
ata_drv->base0,ata_drv->base1,ata_drv->unit))
result++;
if (atapi_drv && ATAMount(dsk.first_cd_drv_let,BDT_ATAPI,
atapi_drv->base0,atapi_drv->base1,atapi_drv->unit))
result++;
tempha=root;
while (tempha) {
if (tempha!=ata_drv && tempha!=atapi_drv) {
if (tempha->type==BDT_ATA && ATAMount(dsk.first_hd_drv_let,BDT_ATA,
tempha->base0,tempha->base1,tempha->unit))
result++;
else if (tempha->type==BDT_ATAPI && ATAMount(dsk.first_cd_drv_let,BDT_ATAPI,
tempha->base0,tempha->base1,tempha->unit))
result++;
}
tempha=tempha->next;
}
LinkedLstDel(root);
dsk.auto_mount_ide_cnt=result;
return result;
}