/* We simply find the first function in this .obj data, and execute it. */
static uae_u32 REGPARAM2 emulib_ExecuteNativeCode (struct regstruct *regs)
{
#if 0
uaecptr object_AAM = m68k_areg (regs, 0);
uae_u32 d1 = m68k_dreg (regs, 1);
uae_u32 d2 = m68k_dreg (regs, 2);
uae_u32 d3 = m68k_dreg (regs, 3);
uae_u32 d4 = m68k_dreg (regs, 4);
uae_u32 d5 = m68k_dreg (regs, 5);
uae_u32 d6 = m68k_dreg (regs, 6);
uae_u32 d7 = m68k_dreg (regs, 7);
uae_u32 a1 = m68k_areg (regs, 1);
uae_u32 a2 = m68k_areg (regs, 2);
uae_u32 a3 = m68k_areg (regs, 3);
uae_u32 a4 = m68k_areg (regs, 4);
uae_u32 a5 = m68k_areg (regs, 5);
uae_u32 a6 = m68k_areg (regs, 6);
uae_u8* object_UAM = NULL;
CREATE_NATIVE_FUNC_PTR;
if( get_mem_bank( object_AAM ).check( object_AAM, 1 ) )
object_UAM = get_mem_bank( object_AAM).xlateaddr( object_AAM );
if( object_UAM )
{
SET_NATIVE_FUNC( FindFunctionInObject( object_UAM ) );
CALL_NATIVE_FUNC( d1, d2, d3, d4, d5, d6, d7, a1, a2, a3, a4, a5, a6);
}
return 1;
#endif
return 0;
}
/**
* Write long/word/byte into memory.
* NOTE - value will be converted to 68000 endian
*/
void STMemory_Write ( Uint32 addr , Uint32 val , int size )
{
addrbank *pBank;
Uint8 *p;
//printf ( "mem direct write %x %x %d\n" , addr , val , size );
pBank = &get_mem_bank ( addr );
if ( pBank->baseaddr == NULL )
return; /* No real memory, do nothing */
addr -= pBank->start & pBank->mask;
addr &= pBank->mask;
p = pBank->baseaddr + addr;
/* We modify the memory, so we flush the instr/data caches if needed */
M68000_Flush_All_Caches ( addr , size );
if ( size == 4 )
do_put_mem_long ( p , val );
else if ( size == 2 )
do_put_mem_word ( p , (Uint16)val );
else
*p = (Uint8)val;
}
static uint8_t *memmap(uint32_t addr, uint32_t len)
{
addrbank *bank_data = &get_mem_bank (addr);
if (!bank_data->check (addr, len))
return NULL;
return bank_data->xlateaddr (addr);
}
static uae_u8 *memmap(uae_u32 addr, uae_u32 len)
{
addrbank *bank_data = &get_mem_bank (addr);
if (!bank_data->check (addr, len))
return NULL;
return bank_data->xlateaddr (addr);
}
STATIC_INLINE bool spinlock_pre(uaecptr addr)
{
addrbank *ab = &get_mem_bank(addr);
if ((ab->flags & ABFLAG_THREADSAFE) == 0) {
uae_ppc_spinlock_get();
return true;
}
return false;
}
/*************************************************************
Converts an amiga address to a native one or NULL if this
is not possible, Size specified the number of bytes you
want to access
*************************************************************/
static uae_u8 *amiga2native (uae_u32 aptr, int size)
{
addrbank bank = get_mem_bank (aptr);
/* Check if the address can be translated to native */
if (bank.check (aptr, size)) {
return bank.xlateaddr (aptr);
}
return NULL;
}
/**
* Check that the region of 'size' starting at 'addr' is entirely inside
* a memory bank of the same memory type
*/
bool STMemory_CheckAreaType ( Uint32 addr , int size , int mem_type )
{
addrbank *pBank;
pBank = &get_mem_bank ( addr );
if ( ( pBank->flags & mem_type ) == 0 )
{
fprintf(stderr, "pBank flags mismatch: 0x%x & 0x%x (RAM = 0x%x)\n", pBank->flags, mem_type, ABFLAG_RAM);
return false;
}
return pBank->check ( addr , size );
}
/**
* Read long/word/byte from memory.
* NOTE - value will be converted to 68000 endian
*/
Uint32 STMemory_Read ( Uint32 addr , int size )
{
addrbank *pBank;
Uint8 *p;
//printf ( "mem direct read %x %d\n" , addr , size );
pBank = &get_mem_bank ( addr );
if ( pBank->baseaddr == NULL )
return 0; /* No real memory, return 0 */
addr -= pBank->start & pBank->mask;
addr &= pBank->mask;
p = pBank->baseaddr + addr;
if ( size == 4 )
return do_get_mem_long ( p );
else if ( size == 2 )
return (Uint32)do_get_mem_word ( p );
else
return (Uint32)*p;
}
static __inline__ void byteput (uaecptr addr, uae_u32 b)
{
call_mem_put_func (get_mem_bank (addr).bput, addr, b);
}
__inline__ uae_u32 longget (uaecptr addr)
{
return call_mem_get_func (get_mem_bank (addr).lget, addr);
}
static int execscsicmd_direct (int unitnum, uaecptr acmd)
{
int sactual = 0;
struct scsidevdata *sdd = &drives[unitnum];
SCSI *scgp = sdd->scgp;
struct scg_cmd *scmd = scgp->scmd;
uaecptr scsi_data = get_long (acmd + 0);
uae_u32 scsi_len = get_long (acmd + 4);
uaecptr scsi_cmd = get_long (acmd + 12);
int scsi_cmd_len = get_word (acmd + 16);
int scsi_cmd_len_orig = scsi_cmd_len;
uae_u8 scsi_flags = get_byte (acmd + 20);
uaecptr scsi_sense = get_long (acmd + 22);
uae_u16 scsi_sense_len = get_word (acmd + 26);
int io_error = 0;
int parm;
addrbank *bank_data = &get_mem_bank (scsi_data);
addrbank *bank_cmd = &get_mem_bank (scsi_cmd);
uae_u8 *scsi_datap;
uae_u8 *scsi_datap_org;
DEBUG_LOG ("SCSIDEV: unit=%d: execscsicmd_direct\n", unitnum);
/* do transfer directly to and from Amiga memory */
if (!bank_data || !bank_data->check (scsi_data, scsi_len))
return -5; /* IOERR_BADADDRESS */
uae_sem_wait (&scgp_sem);
memset (scmd, 0, sizeof (*scmd));
/* the Amiga does not tell us how long the timeout shall be, so make it
* _very_ long (specified in seconds) */
scmd->timeout = 80 * 60;
scsi_datap = scsi_datap_org = scsi_len
? bank_data->xlateaddr (scsi_data) : 0;
scmd->size = scsi_len;
scmd->flags = (scsi_flags & 1) ? SCG_RECV_DATA : SCG_DISRE_ENA;
memcpy (&scmd->cdb, bank_cmd->xlateaddr (scsi_cmd), scsi_cmd_len);
scmd->target = sdd->target;
scmd->sense_len = (scsi_flags & 4) ? 4 : /* SCSIF_OLDAUTOSENSE */
(scsi_flags & 2) ? scsi_sense_len : /* SCSIF_AUTOSENSE */
-1;
scmd->sense_count = 0;
*(uae_u8 *)&scmd->scb = 0;
if (sdd->isatapi)
scsi_atapi_fixup_pre (scmd->cdb.cmd_cdb, &scsi_cmd_len, &scsi_datap,
&scsi_len, &parm);
scmd->addr = (caddr_t)scsi_datap;
scmd->cdb_len = scsi_cmd_len;
scg_settarget (scgp, sdd->bus, sdd->target, sdd->lun);
scgp->cmdname = "???";
scgp->curcmdname = "???";
DEBUG_LOG ("SCSIDEV: sending command: 0x%2x\n", scmd->cdb.g0_cdb.cmd);
scg_cmd (scgp);
DEBUG_LOG ("SCSIDEV: result: %d %d %s\n", scmd->error, scmd->ux_errno,\
scgp->errstr);
gui_flicker_led (LED_CD, 0, 1);
put_word (acmd + 18, scmd->error == SCG_FATAL
? 0 : scsi_cmd_len); /* fake scsi_CmdActual */
put_byte (acmd + 21, *(uae_u8 *)&scmd->scb); /* scsi_Status */
if (*(uae_u8 *)&scmd->scb) {
io_error = 45; /* HFERR_BadStatus */
/* copy sense? */
for (sactual = 0;
scsi_sense && sactual < scsi_sense_len && sactual < scmd->sense_count;
sactual++) {
put_byte (scsi_sense + sactual, scmd->u_sense.cmd_sense[sactual]);
}
put_long (acmd + 8, 0); /* scsi_Actual */
} else {
int i;
for (i = 0; i < scsi_sense_len; i++)
put_byte (scsi_sense + i, 0);
sactual = 0;
if (scmd->error != SCG_NO_ERROR || scmd->ux_errno != 0) {
/* We might have been limited by the hosts DMA limits,
which is usually indicated by ENOMEM */
if (scsi_len > (unsigned int)sdd->max_dma && scmd->ux_errno == ENOMEM)
io_error = (uae_u8)-4; /* IOERR_BADLENGTH */
else {
io_error = 20; /* io_Error, but not specified */
put_long (acmd + 8, 0); /* scsi_Actual */
}
} else {
scsi_len = scmd->size;
if (sdd->isatapi)
scsi_atapi_fixup_post (scmd->cdb.cmd_cdb, scsi_cmd_len,
scsi_datap_org, scsi_datap,
&scsi_len, parm);
io_error = 0;
put_long (acmd + 8, scsi_len); /* scsi_Actual */
}
}
put_word (acmd + 28, sactual);
uae_sem_post (&scgp_sem);
if (scsi_datap != scsi_datap_org)
free (scsi_datap);
return io_error;
}
static int execscsicmd_direct_ioctl (int unitnum, struct amigascsi* ascsi)
{
struct scsidevdata *sdd;
struct cdrom_generic_command cmd;
struct request_sense sense;
uaecptr acmd = VALUE_TO_PTR(ascsi);
uaecptr scsi_data = get_long (acmd + 0);
uae_u32 scsi_len = get_long (acmd + 4);
uaecptr scsi_cmd = get_long (acmd + 12);
int scsi_cmd_len = get_word (acmd + 16);
uae_u8 scsi_flags = get_byte (acmd + 20);
uae_u8 scsi_status = get_byte (acmd + 21);
uaecptr scsi_sense = get_long (acmd + 22);
uae_u16 scsi_sense_len = get_word (acmd + 26);
int io_error;
unsigned int senselen;
int parm, i;
addrbank *bank_data = &get_mem_bank (scsi_data);
addrbank *bank_cmd = &get_mem_bank (scsi_cmd);
addrbank *bank_sense = &get_mem_bank (scsi_sense);
uae_u8 *scsi_datap;
uae_u8 *scsi_datap_org;
DEBUG_LOG ("SCSIDEV: unit = %d: execscsicmd_direct_ioctl\n", unitnum);
DEBUG_LOG ("SCSIDEV: scsi_len = %d, scsi_cmd_len = %d, scsi_sense_len = %d, scsi_flags = %x\n",
scsi_len, scsi_cmd_len, scsi_sense_len, scsi_flags);
if (unitnum >= total_drives) {
DEBUG_LOG ("SCSIDEV: illegal unit %d >= total_drives %d.\n", unitnum, total_drives);
return -1; /* TODO: better error code */
}
sdd = &drives[unitnum];
/* do transfer directly to and from Amiga memory */
if (!bank_data || !bank_data->check (scsi_data, scsi_len)) {
DEBUG_LOG ("SCSIDEV: illegal Amiga memory buffer\n");
return -5; /* IOERR_BADADDRESS */
}
if (scsi_cmd_len > CDROM_PACKET_SIZE) {
DEBUG_LOG ("SCSIDEV: scsi_cmd_len too large (%d)\n", scsi_cmd_len);
return -5; /* TODO: better code */
}
scsi_datap = scsi_datap_org = (scsi_len ? bank_data->xlateaddr (scsi_data) : 0);
memcpy (cmd.cmd, bank_cmd->xlateaddr (scsi_cmd), scsi_cmd_len);
cmd.buffer = scsi_datap;
cmd.buflen = scsi_len;
cmd.stat = scsi_status;
if (sdd->isatapi) {
scsi_atapi_fixup_pre (cmd.cmd, &scsi_cmd_len, &scsi_datap,
&scsi_len, &parm);
}
senselen = (scsi_flags & 4) ? 4 : /* SCSIF_OLDAUTOSENSE */
(scsi_flags & 2) ? scsi_sense_len : /* SCSIF_AUTOSENSE */
0;
cmd.sense = senselen > 0 ? &sense : 0;
cmd.data_direction = (scsi_flags & 1) ? CGC_DATA_READ : CGC_DATA_WRITE;
cmd.quiet = 0;
cmd.timeout = 80*60;
gui_flicker_led (LED_CD, 0, 1);
io_error = ioctl (sdd->fd, CDROM_SEND_PACKET, &cmd);
DEBUG_LOG ("SCSIDEV: error: %d, stat: %d\n", io_error, cmd.stat);
if (cmd.stat != 0) {
unsigned int n;
io_error = 45; /* HFERR_BadStatus */
put_byte (acmd + 8, 0);
put_byte (acmd + 18, 0 /*scsi_cmd_len */);
put_byte (acmd + 21, cmd.stat);
DEBUG_LOG ("SCSIDEV: bad status\n");
n = cmd.sense ? cmd.sense->add_sense_len + 7 : 0;
if (senselen > n) {
if (scsi_sense)
memset (bank_sense->xlateaddr (scsi_sense), 0, senselen);
senselen = n;
}
DEBUG_LOG ("SCSIDEV: senselen = %d\n", senselen);
if (scsi_sense && cmd.sense && senselen > 0) {
memcpy (bank_sense->xlateaddr (scsi_sense), cmd.sense, senselen);
}
put_byte (acmd + 28, senselen);
} else {
put_byte (acmd + 28, 0);
if (scsi_sense && senselen > 0) {
memset (bank_sense->xlateaddr (scsi_sense), 0, senselen);
}
if (io_error == 0) {
if (sdd->isatapi) {
scsi_atapi_fixup_post (cmd.cmd, scsi_cmd_len,
scsi_datap_org, scsi_datap,
&scsi_len, parm);
}
put_long (acmd + 8, scsi_len);
put_word (acmd + 18, scsi_cmd_len);
put_byte (acmd + 21, cmd.stat);
io_error = 0;
} else {
DEBUG_LOG ("SCSIDEV: errno: %d, %s\n", errno, strerror (errno));
put_long (acmd + 8, 0);
put_word (acmd + 18, 0);
put_byte (acmd + 21, cmd.stat);
io_error = 20; /* TODO: Map errors */
}
}
if (scsi_datap != scsi_datap_org)
xfree (scsi_datap);
return io_error;
}
static void scsidev_do_scsi (struct scsidevdata *sdd, uaecptr request)
{
SCSI *scgp = sdd->scgp;
struct scg_cmd *scmd = scgp->scmd;
uaecptr acmd = get_long (request + 40);
uaecptr scsi_data = get_long (acmd + 0);
uae_u32 scsi_len = get_long (acmd + 4);
uaecptr scsi_cmd = get_long (acmd + 12);
uae_u16 scsi_cmd_len = get_word (acmd + 16);
uae_u8 scsi_flags = get_byte (acmd + 20);
uaecptr scsi_sense = get_long (acmd + 22);
uae_u16 scsi_sense_len = get_word (acmd + 26);
int sactual = 0;
addrbank *bank_data = &get_mem_bank (scsi_data);
addrbank *bank_cmd = &get_mem_bank (scsi_cmd);
/* do transfer directly to and from Amiga memory */
if (!bank_data || !bank_data->check (scsi_data, scsi_len) ||
!bank_cmd || !bank_cmd->check (scsi_cmd, scsi_cmd_len)) {
put_byte (request + 31, (uae_u8)-5); /* IOERR_BADADDRESS */
return;
}
#ifdef SCSI_IS_NOT_THREAD_SAFE
uae_sem_wait (&scgp_sem);
#endif
scmd->timeout = 80 * 60; /* the Amiga does not tell us how long the timeout shall be, so make it _very_ long (specified in seconds) */
scmd->addr = bank_data->xlateaddr (scsi_data);
scmd->size = scsi_len;
scmd->flags = ((scsi_flags & 1) ? SCG_RECV_DATA : 0) | SCG_DISRE_ENA;
scmd->cdb_len = scsi_cmd_len;
memcpy(&scmd->cdb, bank_cmd->xlateaddr (scsi_cmd), scsi_cmd_len);
scmd->target = sdd->target;
scmd->sense_len = (scsi_flags & 4) ? 4 : /* SCSIF_OLDAUTOSENSE */
(scsi_flags & 2) ? scsi_sense_len : /* SCSIF_AUTOSENSE */
-1;
scmd->sense_count = 0;
*(uae_u8 *)&scmd->scb = 0;
#ifdef DEBUG_CDR
/* please ignore this code - it can be used to debug raw CD-R writing... */
if (!(scsi_len % 2368)) {
/* Structure for generating bytes 2353...2368 if writing in ultra raw mode */
typedef struct QDATAtag {
BYTE ControlAdr;
BCD Tno;
BCD Point;
BCD Min;
BCD Sec;
BCD Frame;
BYTE Zero;
BCD PMin;
BCD PSec;
BCD PFrame;
WORD Crc;
BYTE Reserved[3];
BYTE PChannel;
} QDATA;
int i = scsi_len / 2368;
QDATA *data = (QDATA *)&((unsigned char *)scmd->addr)[2352];
for (; i > 0; i--, data = (QDATA *)&((unsigned char *)data)[2368]) {
printf ("$%02x: $%02x $%02x | $%02x:$%02x:$%02x = %6ld | $%02x | $%02x:$%02x:$%02x = %6ld\n",
(int)data->ControlAdr, (int)*(UBYTE *)&data->Tno, (int)*(UBYTE *)&data->Point,
(int)*(UBYTE *)&data->Min, (int)*(UBYTE *)&data->Sec, (int)*(UBYTE *)&data->Frame,
BCDTime2Block_Pointer (&data->Min) + 150,
*(UBYTE *)&data->Zero,
*(UBYTE *)&data->PMin, *(UBYTE *)&data->PSec, *(UBYTE *)&data->PFrame,
BCDTime2Block_Pointer (&data->PMin));
}
fflush (stdout);
}
#endif
scgp->scsibus = sdd->bus;
scgp->target = sdd->target;
scgp->lun = sdd->lun;
scgp->cmdname = "???";
scgp->curcmdname = "???";
/* replace MODE_SELECT/SENSE_6 if we access a ATAPI drive,
otherwise send it now */
if (sdd->isatapi &&
(scmd->cdb.g0_cdb.cmd == MODE_SELECT_6 ||
scmd->cdb.g0_cdb.cmd == MODE_SENSE_6)) {
uae_u8 buffer[256 + 2], *data = scmd->addr, *tmp;
int len = 0, page_len, i;
int do_it = 1;
uae_u8 sp = scmd->cdb.g0_cdb.high_addr & 1;
uae_u8 alloc_len = scmd->cdb.g0_cdb.count;
uae_u8 pcf_page_code = scmd->cdb.g0_cdb.mid_addr;
uae_u8 cmd = scmd->cdb.g0_cdb.cmd;
memset (&scmd->cdb.g1_cdb, 0, sizeof(scmd->cdb.g1_cdb));
if (cmd == MODE_SELECT_6) {
/* expand parameter list */
tmp = data;
buffer[len++] = *tmp++; /* first byte, should be 0 */
buffer[len++] = 0; /* reserved */
buffer[len++] = *tmp++; /* medium type */
buffer[len++] = 0; *tmp++; /* ignore host application code */
for (i = 0; i < 4; i++) {
buffer[len++] = 0;
}
if (*tmp) {
/* skip block descriptor */
tmp += 8;
}
tmp++;
page_len = scsi_len - (tmp - data);
if (page_len > 0) {
memcpy (&buffer[len], tmp, page_len);
len += page_len;
scmd->cdb.g1_cdb.cmd = MODE_SELECT_10;
scmd->cdb.g1_cdb.lun = sdd->lun;
scmd->cdb.g1_cdb.res = 1 << 3; /* PF bit */
scmd->cdb.g1_cdb.reladr = sp;
scmd->cdb.g1_cdb.count[0] = len >> 8;
scmd->cdb.g1_cdb.count[1] = len;
} else {
__inline__ uae_u32 wordget (uaecptr addr)
{
return call_mem_get_func (get_mem_bank (addr).wget, addr);
}
static __inline__ uae_u32 byteget (uaecptr addr)
{
return call_mem_get_func (get_mem_bank (addr).bget, addr);
}
static __inline__ void wordput (uaecptr addr, uae_u32 w)
{
call_mem_put_func (get_mem_bank (addr).wput, addr, w);
}
static __inline__ void longput (uaecptr addr, uae_u32 l)
{
call_mem_put_func (get_mem_bank (addr).lput, addr, l);
}