forked from Ports/perfect_dark
117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
#include <os_internal.h>
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#include <rcp.h>
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#include "controller.h"
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#include "siint.h"
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#ifdef __sgi
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OSPifRam __osContPifRam;
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#else
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__attribute__ ((aligned (0x10))) OSPifRam __osContPifRam;
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#endif
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u8 __osContLastCmd;
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u8 __osMaxControllers;
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OSTimer __osEepromTimer;
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OSMesgQueue __osEepromTimerQ;
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OSMesg __osEepromTimerMsg;
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u32 __osContInitialized = 0;
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void __osContGetInitData(u8 *pattern, OSContStatus *data);
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void __osPackRequestData(u8 cmd);
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s32 osContInit(OSMesgQueue *mq, u8 *bitpattern, OSContStatus *data)
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{
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OSMesg dummy;
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s32 ret;
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OSTime t;
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OSTimer mytimer;
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OSMesgQueue timerMesgQueue;
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ret = 0;
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if (__osContInitialized) {
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return ret;
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}
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__osContInitialized = TRUE;
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t = osGetTime();
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if (t < 23437500) {
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osCreateMesgQueue(&timerMesgQueue, &dummy, 1);
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osSetTimer(&mytimer, 23437500 - t, 0, &timerMesgQueue, &dummy);
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osRecvMesg(&timerMesgQueue, &dummy, OS_MESG_BLOCK);
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}
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__osMaxControllers = MAXCONTROLLERS;
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__osPackRequestData(CONT_CMD_REQUEST_STATUS);
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ret = __osSiRawStartDma(OS_WRITE, &__osContPifRam);
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osRecvMesg(mq, &dummy, OS_MESG_BLOCK);
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ret = __osSiRawStartDma(OS_READ, &__osContPifRam);
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osRecvMesg(mq, &dummy, OS_MESG_BLOCK);
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__osContGetInitData(bitpattern, data);
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__osContLastCmd = CONT_CMD_REQUEST_STATUS;
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__osSiCreateAccessQueue();
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osCreateMesgQueue(&__osEepromTimerQ, &__osEepromTimerMsg, 1);
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return ret;
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}
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void __osContGetInitData(u8 *pattern, OSContStatus *data)
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{
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u8 *ptr;
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__OSContRequestFormat requestformat;
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int i;
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u8 bits;
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bits = 0;
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ptr = (u8 *)&__osContPifRam;
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for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(__OSContRequestFormat), data++) {
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requestformat = *(__OSContRequestFormat *)ptr;
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data->errno = CHNL_ERR(requestformat);
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if (data->errno == 0) {
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data->type = (requestformat.typel << 8) | requestformat.typeh;
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data->status = requestformat.status;
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bits |= 1 << i;
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}
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}
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*pattern = bits;
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}
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void __osPackRequestData(u8 cmd)
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{
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u8 *ptr;
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__OSContRequestFormat requestformat;
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int i;
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for (i = 0; i < ARRLEN(__osContPifRam.ramarray); i++) {
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__osContPifRam.ramarray[i] = 0;
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}
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__osContPifRam.pifstatus = CONT_CMD_EXE;
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ptr = (u8 *)&__osContPifRam.ramarray;
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requestformat.dummy = CONT_CMD_NOP;
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requestformat.txsize = CONT_CMD_REQUEST_STATUS_TX;
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requestformat.rxsize = CONT_CMD_REQUEST_STATUS_RX;
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requestformat.cmd = cmd;
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requestformat.typeh = CONT_CMD_NOP;
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requestformat.typel = CONT_CMD_NOP;
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requestformat.status = CONT_CMD_NOP;
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requestformat.dummy1 = CONT_CMD_NOP;
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for (i = 0; i < __osMaxControllers; i++) {
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*(__OSContRequestFormat *)ptr = requestformat;
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ptr += sizeof(__OSContRequestFormat);
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}
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ptr[0] = CONT_CMD_END;
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}
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