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Use sceSifGetOtherData instead of IOP memory window for ps2cam #900

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Merged
fjtrujy merged 1 commit into from
Jul 16, 2026
Merged

Use sceSifGetOtherData instead of IOP memory window for ps2cam #900

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23 changes: 8 additions & 15 deletions ee/rpc/camera/src/ps2cam_rpc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@ int PS2CamSetDeviceBandwidth(int handle, char bandwidth)
int PS2CamReadPacket(int handle)
{
int *ret;
int *iop_addr;
SifRpcReceiveData_t rdata;

WaitSema(sem);

Expand All @@ -230,16 +230,9 @@ int PS2CamReadPacket(int handle)

if(ret[0] < 0) return ret[0];


DI();
ee_kmode_enter();

iop_addr = (int *)(0xbc000000+ret[1]);

memcpy(&campacket[0],iop_addr, ret[0]);

ee_kmode_exit();
EI();
SyncDCache(campacket, (u8 *)(&campacket[0]) + sizeof(campacket));
if (sceSifGetOtherData(&rdata, (void *)ret[1], &campacket[0], sizeof(campacket), 0) < 0)
return -1;

//if i add a printf here, the ps2 will exit to sony's explorer
SignalSema(sem);
Expand Down Expand Up @@ -306,7 +299,7 @@ int PS2CamExtractFrame(int handle, char *buffer, int bufsize)
//if read has a error return it
if(ret < 0) return ret;

head = (EYETOY_FRAME_HEAD *)&campacket[0];
head = (EYETOY_FRAME_HEAD *)UNCACHED_SEG(&campacket[0]);

if(head->magic2==0xff && head->magic3==0xff && ret!=0)
{
Expand All @@ -319,7 +312,7 @@ int PS2CamExtractFrame(int handle, char *buffer, int bufsize)
return 0;
}

memcpy(&buffer[pos], &campacket[16], ret-16 );
memcpy(&buffer[pos], UNCACHED_SEG(&campacket[16]), ret-16 );
pos += (ret-16);
capturing = 1;

Expand Down Expand Up @@ -351,7 +344,7 @@ int PS2CamExtractFrame(int handle, char *buffer, int bufsize)
//if it doesnt fit in those pos then it must be data
if(capturing==1)
{
memcpy(&buffer[pos], &campacket[0], ret );
memcpy(&buffer[pos], UNCACHED_SEG(&campacket[0]), ret );
pos += (ret);
}
}
Expand All @@ -361,7 +354,7 @@ int PS2CamExtractFrame(int handle, char *buffer, int bufsize)
// it must be data
if(capturing==1 && ret !=0)
{
memcpy(&buffer[pos], &campacket[0], ret );
memcpy(&buffer[pos], UNCACHED_SEG(&campacket[0]), ret );
pos += (ret);
}
}
Expand Down
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