/*C Utility program utils1.c.Gives miscelaneous info to the system*/#include "SparcSoftcardOps.h"#define realTimeCounterByte 0x384e06/* to be included inside SparcSoftcard.h */#define startAddressPos 8#define memTrapStartPos 0xc#define memCommStartPos 0x10#define commLengthPos 0x14#define memTextStartPos 0x18#define textLengthPos 0x1c#define memDataStartPos 0x20#define dataLengthPos 0x24#define memBssStartPos 0x28#define bssLengthPos 0x2c#define memSymbolStartPos 0x30#define symbolLengthPos 0x34#define memEndPos 0x38#define stackSizePos 0x3cstatic int readAccess (address) int address;{ int *p;p = (int *) address;return (*p);};static void writeAccess (address, data) int address, data;{ int *p;p = (int *) address;*p = data;};void SetMemEnd ( end )int end;{writeAccess (memEndPos, end);};void SetStackSize ( size )int size;{writeAccess (stackSizePos, size);};int MemEnd () { int mem;mem = readAccess (memEndPos);return (mem);};int StackSize () { int stack;stack = readAccess (stackSizePos);return (stack);};int HeapStart () { int heap;heap = readAccess (memSymbolStartPos)  + readAccess (symbolLengthPos);return (heap);};int HeapEnd () { int heap;heap = readAccess (memEndPos)  - readAccess (stackSizePos);return (heap);};int CommStart () { int comm;comm = readAccess (memCommStartPos);return (comm);};int CommEnd () { int comm;comm = readAccess (memCommStartPos)  + readAccess (commLengthPos);return (comm);};void CacheFlushAndEnable () { long i, *p, x;SparcSoftcardOps_SparcCacheDisable();for (i = 0; i < 0x40000; i += 8) {p = (long *) i;x = *p;};SparcSoftcardOps_SparcCacheEnable();};void SetDisplay (byteAddress) long byteAddress;{ if ( byteAddress == 0 ) {SparcSoftcardOps_SetDMAState(DMAState_inactive);}else {SparcSoftcardOps_SetDMAState(DMAState_inactive);SparcSoftcardOps_SetDMAMode(DMAMode_display);SparcSoftcardOps_DMAAddressRegisterLoad(byteAddress);SparcSoftcardOps_SetDMAState(DMAState_active);};};extern long RealTimeClockHigh;long RealTimeCounter (){ long rtc, low, high0, high1;do	{high0 = RealTimeClockHigh;low = (io_peek (realTimeCounterByte)) & 0xffff;high1 = RealTimeClockHigh;} while (high0 != high1);rtc = high0 << 16;rtc = rtc + low;return (rtc);};     Êµ  ˜ ˜J˜—˜ J˜%J˜ —˜J˜ —J˜˜$J˜+—J˜ J˜J˜J˜J˜J˜J˜J˜J˜J˜J˜J˜J˜J˜J˜J˜ ˜ J˜J˜J˜J˜J˜J˜—J˜ ˜(J˜J˜J˜J˜J˜
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