*/
#include "src/lib/16_mm.h"
+#include "src/lib/16_ca.h"
#pragma hdrstop
#pragma warn -pro
{
boolean emmcfems;
static char emmname[] = "EMMXXXX0"; //fix by andrius4669
-// mov dx,OFFSET emmname
__asm {
mov dx,OFFSET emmname //fix by andrius4669
mov ax,0x3d00
{
word base,size;
-getmemory:
+
__asm {
mov ax,0x4310
int 0x2f
mov [WORD PTR XMSaddr],bx
mov [WORD PTR XMSaddr+2],es // function pointer to XMS driver
-
+ }
+getmemory:
+ __asm {
mov ah,XMS_ALLOCUMB
mov dx,0xffff // try for largest block possible
//mov ax,dx // Set available Kbytes.
======================
*/
-void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
+/*void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
{
mmblocktype huge *scan,huge *last;
word segm=1;
word oldend;
- dword segmlen=seglength;
+ dword segmlen;
dword extra;
scan = last = mm->mmhead;
scan = scan->next;
}
- //find out how many blocks it spans!
- //
- for(;seglength>0x10000;seglength-=0xffff)
- {
- printf(" seglen=%lu\n", seglength);
- segm++;
- }
-
//
// take the given range out of the block
//
oldend = scan->start + scan->length;
- extra = oldend - (segstart+(word)seglength);
+ extra = oldend - (segstart+seglength);
+
+ segmlen=extra;
+
//++++emsver stuff!
- if(segm>1 || extra>0x10000lu)
+ if(segm>1)/// || extra>=0x10000lu)
//if(extra>0xfffflu)
{
scan->blob=segm;
- /*__asm
- {
- push ds
- mov ax,ds
- inc ax
- mov ds,ax
- }*/
-
//MML_UseSpace(segstart, seglength, mm);
- /*__asm
- {
- pop ds
- }*/
printf("MML_UseSpace: Segment spans two blocks!\n");
//}
- printf("========================================\n");
printf("segm=%u ", segm);
printf("ex=%lu ", extra);
printf("old=%u ", oldend);
printf("len=%lu ", scan->length);
printf("seglen=%lu ", seglength);
printf("segmlen=%lu\n", segmlen);
- printf("========================================\n");
}
//++++todo: linked list of segment!
if(segstart == scan->start)
if(extra > 0)
{
GETNEWBLOCK;
+ mm->mmnew->useptr = NULL;
+
mm->mmnew->next = scan->next;
scan->next = mm->mmnew;
mm->mmnew->start = segstart+seglength;
mm->mmnew->attributes = LOCKBIT;
}//else if(segm>0) goto segu;
+}*/
+void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
+{
+ mmblocktype far *scan,far *last;
+ word oldend;
+ sdword extra;
+ //word segm=1;
+
+ scan = last = mm->mmhead;
+ mm->mmrover = mm->mmhead; // reset rover to start of memory
+
+//
+// search for the block that contains the range of segments
+//
+ while (scan->start+scan->length < segstart)
+ {
+ last = scan;
+ scan = scan->next;
+ }
+
+//
+// find out how many blocks it spans!
+//
+ /*for(;seglength>=0x10000;seglength-=0xFFFF)
+ {
+ //printf(" seglen=%lu\n", segmlen);
+ segm++;
+ }*/
+
+//
+// take the given range out of the block
+//
+ oldend = scan->start + scan->length;
+ extra = oldend - (segstart+((word)seglength));
+ if (extra < 0)
+ {
+ printf("========================================\n");
+ printf("start=%x ", scan->start);
+ printf("old=%u ", oldend);
+ printf("start+seglen=%lu\n", segstart+seglength);
+ printf("segsta=%x ", segstart);
+ printf("len=%lu ", scan->length);
+ printf("seglen=%lu ", seglength);
+ printf("\n");
+ printf("MML_UseSpace: Segment spans two blocks! %d\n", extra);
+ printf("========================================\n");
+ //return;
+ }
+
+ if (segstart == scan->start)
+ {
+ last->next = scan->next; // unlink block
+ FREEBLOCK(scan);
+ scan = last;
+ }
+ else
+ scan->length = segstart-scan->start; // shorten block
+
+ if (extra > 0)
+ {
+ GETNEWBLOCK;
+ mm->mmnew->useptr = NULL;
+
+ mm->mmnew->next = scan->next;
+ scan->next = mm->mmnew;
+ mm->mmnew->start = segstart+seglength;
+ mm->mmnew->length = extra;
+ mm->mmnew->attributes = LOCKBIT;
+ }
+
}
//==========================================================================
mm->mmstarted = true;
mm->bombonerror = true;
- mm->endid=0;
//
// set up the linked list (everything in the free list;
// detect EMS and allocate up to 64K at page frame
//
mmi->EMSmem = 0;
+//goto emsskip; //0000
for(i = 1;i <
#ifdef __WATCOMC__
__argc
====================
*/
-void MM_GetPtr(memptr *baseptr,dword size, mminfo_t *mm, mminfotype *mmi)
+void MM_GetPtr (memptr *baseptr, dword size, mminfo_t *mm, mminfotype *mmi)
{
- mmblocktype huge *scan,huge *lastscan,huge *endscan,huge *purge,huge *next;
+ mmblocktype huge *scan,huge *lastscan,huge *endscan
+ ,huge *purge,huge *next;
int search;
- dword needed;
- word startseg;
+ unsigned needed,startseg;
needed = (size+15)/16; // convert size from bytes to paragraphs
-printf("."); //0000
+
GETNEWBLOCK; // fill in start and next after a spot is found
mm->mmnew->length = needed;
mm->mmnew->useptr = baseptr;
mm->mmnew->attributes = BASEATTRIBUTES;
-printf("."); //0000
- for(search = 0; search<mm->endid; search++)
+
+//tryagain:
+ for (search = 0; search<3; search++)
{
-printf(" [case]"); //0000
//
// first search: try to allocate right after the rover, then on up
// second search: search from the head pointer up to the rover
// third search: compress memory, then scan from start
- if(search == 1 && mm->mmrover == mm->mmhead)
+ if (search == 1 && mm->mmrover == mm->mmhead)
search++;
- switch(search)
+ switch (search)
{
case 0:
-printf("0 "); //0000
lastscan = mm->mmrover;
scan = mm->mmrover->next;
endscan = NULL;
break;
case 1:
-printf("1 "); //0000
lastscan = mm->mmhead;
scan = mm->mmhead->next;
endscan = mm->mmrover;
break;
case 2:
-printf("2 "); //0000
- MM_SortMem(mm);
+ MM_SortMem (mm);
lastscan = mm->mmhead;
scan = mm->mmhead->next;
endscan = NULL;
break;
}
- startseg = lastscan->start + (word)lastscan->length;
+ startseg = lastscan->start + lastscan->length;
- while(scan != endscan)
+ while (scan != endscan)
{
-//printf(","); //0000
- if(scan->start - startseg >= needed)
+ if (scan->start - startseg >= needed)
{
-printf("."); //0000
//
// got enough space between the end of lastscan and
// the start of scan, so throw out anything in the middle
//
purge = lastscan->next;
lastscan->next = mm->mmnew;
- mm->mmnew->start = *(word *)baseptr = startseg;
+ mm->mmnew->start = *(unsigned *)baseptr = startseg;
mm->mmnew->next = scan;
- while(purge != scan)
+ while ( purge != scan)
{ // free the purgable block
-printf(" freeing block~\n"); //0000
next = purge->next;
FREEBLOCK(purge);
- //MM_FreeBlock(purge, mm);
purge = next; // purge another if not at scan
}
mm->mmrover = mm->mmnew;
//
// if this block is purge level zero or locked, skip past it
//
- if((scan->attributes & LOCKBIT)
+ if ( (scan->attributes & LOCKBIT)
|| !(scan->attributes & PURGEBITS) )
{
-printf(" [lock] "); //0000
-printf("len=%lu ", scan->length);
lastscan = scan;
- startseg = lastscan->start + (word)lastscan->length;
+ startseg = lastscan->start + lastscan->length;
}
-printf("\n");
+
scan=scan->next; // look at next line
}
}
#endif
printf(OUT_OF_MEM_MSG,(size-mmi->nearheap));
printf("for stability reasons the program will shut down! wwww\n");
- printf(" endid=%u\n",(mm->endid));
MM_Shutdown(mm);
exit(-1);
}
sdword end,owner;
//word chx,chy;
word w;
- byte scratch[160],scratch0[4096],str[16];
+ //dword wwww;
+ byte scratch[160],scratch0[4096],scratch1[160],str[16];
//byte d = '#';
//**** VW_SetDefaultColors();
//**** VW_SetLineWidth(40);
//modexprint(&page, chx, chy, 1, 0, 24, "\nMM_ShowMemory: Memory block order currupted!\n");
break;
}
- //for(;scan->length>0xfffflu;scan->length-=0xfffflu);
end = scan->start+(scan->length)-1;
//++++ chy = scan->start/320;
//++++ chx = scan->start%320;
//++++ VW_Plot(scan->start,0,15);
//++++ modexClearRegion(page, chx, chy, 4, 4, 15);
//++++ VW_Hlin(end+1,scan->next->start,0,0); // black = free
- if((scan->next->start != 0xe000) > end)
+
+ //wwww=(dword)(scan->next->start)-(dword)scan->start;
+ //wwww=(dword)scan->start+(dword)(scan->next->start);
+ if (scan->next && scan->next->start >= end+1)
{
strcat(scratch0, AARESET);
+ strcat(scratch0, "\n");
strcat(scratch0,AAGREEN);
- for(w=0;w<=((scan->length+1)/80);w++)
+ for(w=(end+1)/80;w<=((scan->next->start-scan->start)/80);w++)
+ //for(w=(wwww)/80;w<=((end+1)/80);w++)
+ //for(w=(end+1)/80;w<=((wwww)/80);w++)
{
//printf("0 %x %u %lu\n", scan->next->start, w, scan->length);
strcat(scratch0,"0");
}
- }else{
+ //printf("==================\n");
+ //printf("w=%u wwww=%lu start=%04x next=%04x end=%lu\n", w/80, wwww/80, scan->start, (scan->next->start), end+1);
+ //printf("==================\n");
+ strcat(scratch0, "\n");
+ //getch();
+ }/*else {//if(scan->next->start <= scan->start){
+ scan->next->start=scan->start+0x1000;
+ wwww=(dword)(scan->next->start)-(dword)scan->start;
strcat(scratch0, AARESET);
+ strcat(scratch0, "\n");
strcat(scratch0,AAGREEN);
- for(w=0;w<=((scan->length+1)/80);w++)
+ for(w=(end+1);w<=(0x1000/80);w++)
{
- //printf("0 %x %u %lu\n", scan->next->start, w, scan->length);
+ //printf("0 %x %x %u\n", scan->start, w);
strcat(scratch0,"0");
}
- printf("================\nstart=%x length==%lu\n next=%x end=%x\nscan->start+(scan->length)==%x\n================\n", scan->start, scan->length, scan->next->start, end, scan->start+(scan->length));
- printf("w=%u (scan->length+1)/80)=%lu\n\n", w, (scan->length+1)/80);
- //getch();
- }
+ printf("================\n");
+ printf("w=%x start=%x next=%x end=%u %lu\n", w, scan->start, (scan->next->start), end+1, wwww);
+ printf("================\n");
+ getch();
+ }*/
strcat(scratch0, AARESET);
- strcat(scratch0,"\n");
+ //strcat(scratch0,"\n");
//for(chx=scan->next->start;chx+4>=(word)end+1;chx+=4)
//{
// chx+=scan->next->start;
scan = scan->next;
}
+ /*strcpy(scratch1, AARESET);
+ strcat(scratch1, "========================================\n");
+ strcat(scratch1, "near= ");
+ ultoa (*(mm->nearheap),str,10);
+ strcat (scratch1,str);
+ strcat(scratch1, " far= ");
+ ultoa (*(mm->farheap),str,10);
+ strcat (scratch1,str);
+ strcat(scratch1, "\n");
+ //strcat(scratch1, "&near= %Fp ", &(mm->nearheap));
+ //strcat(scratch1, "&far= %Fp", &(mm->farheap));
+ //strcat(scratch1, "\n");
+ strcat(scratch1, "========================================\n");
+ write(gvar->handle.debughandle,scratch1,strlen(scratch1));*/
+
CA_CloseDebug (gvar);
return;
}
mm->mmfree=mm->mmfree->next;
- mm->endid++; //end of list
}
void MM_FreeBlock(mmblocktype *x, mminfo_t *mm)
x->useptr=NULL;
x->next=mm->mmfree;
mm->mmfree=x;
- mm->endid--; //end of list
}*/
/*void MM_seguin(void)
projects / 16.git / blobdiff