int SIF1_handler(void *common){
int buf[112/4];
register int i, ps;
register SifCmdData *scd;
SifCmdHdr *packet;
struct tag_cmd_common *c = (struct tag_cmd_common *)common;
if (c->func)
c->func(c->param);
packet=(SifCmdHdr*)c->sif1_rcvBuffer;
if ((ps=packet->psize & 0xFF)==0){
SifSetDChain();
return 1;
}
packet->psize=0;
ps=(ps+3<0 ? ps+6 : ps+3)/4;
for (i=0; i<ps; i++)
buf[i]=((u32*)packet)[i];
SifSetDChain();
packet=(SifCmdHdr*)buf;
if (packet->fcode<0){
if (packet->fcode & 0x7FFFFFFF>=c->sysCmdBufferSize)
return 1;
scd=&c->sysCmdBuffer[packet->fcode & 0x7FFFFFFF];
}else{
if (packet->fcode>=c->cmdBufferSize)
return 1;
scd=&c->cmdBuffer[packet->fcode];
}
if (scd->func)
scd->func(packet, scd->data);
return 1;
}
int iop_heap_dma_upload(void *src,u32 dst,int size)
{
int i=0,len=0,size2;
u8 *pkt;
int ret=0;
int ret2=0;
int p=0;
int cont1=0;
while(size>0) // send data with src unaligned
{
if(size>512) size2=512; else size2=size;
CD_memcpy2(memsend,((unsigned char *) src)+p,size2);
do
{
FlushCache(0);
/* build packet */
pkt = send_buffer2;
PUSHDATA( u32, pkt, (u32)memsend, i);
pkt += i; len += i;
PUSHDATA( u32, pkt, dst, i);
pkt += i; len += i;
PUSHDATA( int, pkt, size2, i);
pkt += i; len += i;
PUSHDATA( int, pkt, 0, i);
pkt += i; len += i;
ret = SifSetDma((SifDmaTransfer_t*)send_buffer2,1);
if(ret==0) {nopdelay();cont1++;}
if(ret==0 && cont1>=3) {cont1=0;SifSetDChain();}
}while(ret==0); // modificado por Hermes
while((ret2 = SifDmaStat(ret))>=0);
FlushCache(0);
size-=size2;
p+=size2;
dst+=size2;
}
return (ret2 < -1);
}
void SifInitCmd()
{
u32 packet[5]; /* Implicitly aligned to 16 bytes */
int i;
static int _rb_count = 0;
if(_rb_count != _iop_reboot_count)
{
_rb_count = _iop_reboot_count;
if (sif0_id >= 0)
{
DisableDmac(5);
RemoveDmacHandler(5, sif0_id);
}
init = 0;
}
if (init)
return;
DI();
_sif_cmd_data.pktbuf = UNCACHED_SEG(_sif_cmd_data.pktbuf);
_sif_cmd_data.unused = UNCACHED_SEG(_sif_cmd_data.unused);
for (i = 0; i < CMD_HANDLER_MAX; i++) {
_sif_cmd_data.sys_cmd_handlers[i].handler = NULL;
_sif_cmd_data.sys_cmd_handlers[i].harg = NULL;
}
for (i = 0; i < 32; i++)
_sif_cmd_data.sregs[i] = 0;
_sif_cmd_data.sys_cmd_handlers[0].handler = change_addr;
_sif_cmd_data.sys_cmd_handlers[0].harg = &_sif_cmd_data;
_sif_cmd_data.sys_cmd_handlers[1].handler = set_sreg;
_sif_cmd_data.sys_cmd_handlers[1].harg = &_sif_cmd_data;
EI();
FlushCache(0);
if (_lw(DMAC_COMM_STAT) & STAT_SIF0)
_sw(STAT_SIF0, DMAC_COMM_STAT);
if (!(_lw(DMAC_SIF0_CHCR) & CHCR_STR))
SifSetDChain();
sif0_id = AddDmacHandler(5, _SifCmdIntHandler, 0);
EnableDmac(5);
init = 1;
_sif_cmd_data.iopbuf = (void *)SifGetReg(0x80000000);
if (_sif_cmd_data.iopbuf) {
/* IOP SIF CMD is already initialized, so give it our new
receive address. */
((struct ca_pkt *)(packet))->buf = _sif_cmd_data.pktbuf;
SifSendCmd(0x80000000, packet, sizeof packet, NULL, NULL, 0);
} else {
/* Sync */
while (!(SifGetReg(SIF_REG_SMFLAG) & 0x20000)) ;
_sif_cmd_data.iopbuf = (void *)SifGetReg(SIF_REG_SUBADDR);
SifSetReg(0x80000000, (u32)_sif_cmd_data.iopbuf);
/* See the note above about struct cmd_data, and the use of
this register. */
SifSetReg(0x80000001, (u32)&_sif_cmd_data);
packet[3] = 0;
packet[4] = (u32)_sif_cmd_data.pktbuf;
SifSendCmd(0x80000002, packet, sizeof packet, NULL, NULL, 0);
}
}