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libultra files and directories restructure (#1038)

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* Restructure files, begin header restructure

* Format

* us2dex

* Fix parallel spelling

Co-authored-by: JoshDuMan <40190173+JoshDuMan@users.noreply.github.com>

* Use OS_K0_TO_PHYSICAL in place of VIRTUAL_TO_PHYSICAL in osAiSetNextBuffer

* Uppercase hex, exception vector address defines

* Interrupt flags 1

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* Interrupt flags 2

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

Co-authored-by: JoshDuMan <40190173+JoshDuMan@users.noreply.github.com>
Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
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Tharo 2021-12-01 00:08:57 +00:00 • committed by GitHub
parent eabc918817
commit f1d183d6fe
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164 changed files with 1171 additions and 738 deletions
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94
src/libultra/io/controller.c Normal file
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@ -0,0 +1,94 @@
#include "global.h"
OSPifRam __osPifInternalBuff;
u8 __osContLastPoll;
u8 __osMaxControllers; // always 4
OSTimer __osEepromTimer;
OSMesgQueue __osEepromTimerMsgQ;
OSMesg __osEepromTimerMsg;
u32 gOSContInitialized = 0;
#define HALF_SECOND OS_USEC_TO_CYCLES(500000)
s32 osContInit(OSMesgQueue* mq, u8* ctlBitfield, OSContStatus* status) {
OSMesg mesg;
s32 ret = 0;
OSTime currentTime;
OSTimer timer;
OSMesgQueue timerqueue;
if (gOSContInitialized) {
return 0;
}
gOSContInitialized = 1;
currentTime = osGetTime();
if (HALF_SECOND > currentTime) {
osCreateMesgQueue(&timerqueue, &mesg, 1);
osSetTimer(&timer, HALF_SECOND - currentTime, 0, &timerqueue, &mesg);
osRecvMesg(&timerqueue, &mesg, OS_MESG_BLOCK);
}
__osMaxControllers = MAXCONTROLLERS;
__osPackRequestData(CONT_CMD_REQUEST_STATUS);
ret = __osSiRawStartDma(OS_WRITE, &__osPifInternalBuff);
osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, &__osPifInternalBuff);
osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
__osContGetInitData(ctlBitfield, status);
__osContLastPoll = CONT_CMD_REQUEST_STATUS;
__osSiCreateAccessQueue();
osCreateMesgQueue(&__osEepromTimerMsgQ, &__osEepromTimerMsg, 1);
return ret;
}
void __osContGetInitData(u8* ctlBitfield, OSContStatus* status) {
u8* bufptr;
__OSContRequestHeader req;
s32 i;
u8 bitfieldTemp = 0;
bufptr = (u8*)(&__osPifInternalBuff);
for (i = 0; i < __osMaxControllers; i++, bufptr += sizeof(req), status++) {
req = *((__OSContRequestHeader*)bufptr);
status->errno = (req.rxsize & 0xC0) >> 4;
if (status->errno) {
continue;
}
status->type = req.typel << 8 | req.typeh;
status->status = req.status;
bitfieldTemp |= 1 << i;
}
*ctlBitfield = bitfieldTemp;
}
void __osPackRequestData(u8 poll) {
u8* bufptr;
__OSContRequestHeader req;
s32 i;
for (i = 0; i < 0xF; i++) {
__osPifInternalBuff.ram[i] = 0;
}
__osPifInternalBuff.status = 1;
bufptr = (u8*)(&__osPifInternalBuff);
req.align = 0xFF;
req.txsize = 1;
req.rxsize = 3;
req.poll = poll;
req.typeh = 0xFF;
req.typel = 0xFF;
req.status = 0xFF;
req.align1 = 0xFF;
for (i = 0; i < __osMaxControllers; i++) {
*((__OSContRequestHeader*)bufptr) = req;
bufptr += sizeof(req);
}
*((u8*)bufptr) = 254;
}