Shipwright/soh/src/libultra/io/epidma.c

26 lines
546 B
C

#include "global.h"
#include "ultra64/internal.h"
s32 osEPiStartDma(OSPiHandle* handle, OSIoMesg* mb, s32 direction) {
s32 ret;
if (!__osPiDevMgr.initialized) {
return -1;
}
mb->piHandle = handle;
if (direction == OS_READ) {
mb->hdr.type = 0xF;
} else {
mb->hdr.type = 0x10;
}
if (mb->hdr.pri == 1) {
ret = osJamMesg(osPiGetCmdQueue(), (OSMesg)mb, OS_MESG_NOBLOCK);
} else {
ret = osSendMesg(osPiGetCmdQueue(), (OSMesg)mb, OS_MESG_NOBLOCK);
}
return ret;
}