union REGS CPURegs;
unsigned int EMSVer = 0;
- //byte EMSstatus;
+ byte EMS_status;
unsigned totalEMSpages,freeEMSpages,EMSpageframe,EMSpagesmapped,EMShandle;
totalEMSpages = freeEMSpages = EMSpageframe = EMSpagesmapped = 0;
mov ah,EMS_STATUS
int EMS_INT // make sure EMS hardware is present
or ah,ah
- //mov [EMSstatus],ah
+ mov [EMS_status],ah
jnz error
mov ah,EMS_VERSION
mm->EMSpagesmapped=EMSpagesmapped;
mm->EMShandle=EMShandle;
mm->EMSVer=EMSVer;
- //mm->EMSstatus=EMSstatus;
return 0;
}
union REGS CPURegs;
EMShandle=mm->EMShandle;
- for (i=0;i<mm->EMSpagesmapped;i++)
+ for (i=0;i<4/*mm->EMSpagesmapped*/;i++)
{
__asm
{
return 0;
}
-void MM_MapXEMS(mminfo_t *mm)
-{
- union REGS CPURegs;
-
-//SUB EMS.MapXPages(PhysicalStart, LogicalStart, NumPages, Handle)\r
+/*
+SUB EMS.MapXPages (PhysicalStart, LogicalStart, NumPages, Handle)\r
\r
- //Maps up to 4 logical EMS pages to physical pages in the page frame, where:\r
- //\r
- //PhysicalStart = Physical page first logical page is mapped to\r
- //LogicalStart = First logical page to map\r
- //NumPages = Number of pages to map (1 to 4)\r
- //Handle = EMS handle logical pages are allocated to\r
+ 'Maps up to 4 logical EMS pages to physical pages in the page frame, where:\r
+ '\r
+ 'PhysicalStart = Physical page first logical page is mapped to\r
+ 'LogicalStart = First logical page to map\r
+ 'NumPages = Number of pages to map (1 to 4)\r
+ 'Handle = EMS handle logical pages are allocated to\r
\r
- ///Create a buffer containing the page information\r
- /*FOR x = 0 TO NumPages - 1\r
+ 'Create a buffer containing the page information\r
+ FOR x = 0 TO NumPages - 1\r
MapInfo$ = MapInfo$ + MKI$(LogicalStart + x) + MKI$(PhysicalStart + x)\r
NEXT\r
\r
- Regs.ax = &H5000 //Map the pages in the buffer\r
- Regs.cx = NumPages //to the pageframe\r
- Regs.dx = Handle\r
- Regs.ds = VARSEG(MapInfo$)\r
- Regs.si = SADD(MapInfo$)\r
- InterruptX &H67, Regs, Regs\r
- EMS.Error = (Regs.ax AND &HFF00&) \ &H100 //Store the status code*/\r
+ Regs.ax = &H5000 'Map the pages in the buffer\r
+ Regs.cx = NumPages 'to the pageframe\r
+ Regs.dx = Handle\r
+ Regs.ds = VARSEG(MapInfo$)\r
+ Regs.si = SADD(MapInfo$)\r
+ InterruptX &H67, Regs, Regs\r
+ EMS.Error = (Regs.ax AND &HFF00&) \ &H100 'Store the status code\r
\r
-//END SUB
+END SUB
+*/
+void MM_MapXEMS(mminfo_t *mm)
+{
}
if(mm->mmstarted)
MM_Shutdown(mm);
-printf(".\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
+
mm->mmstarted = true;
mm->bombonerror = true;
//
mm->mmblocks[i].next = &(mm->mmblocks[i+1]);
}
mm->mmblocks[i].next = NULL;
-printf(".\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
+
//
// locked block of all memory until we punch out free space
//
mm->mmnew->attributes = LOCKBIT;
mm->mmnew->next = NULL;
mm->mmrover = mm->mmhead;
-printf(".\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
+
// farlen=_bios_memsize()*1024;
//
segstart = FP_SEG(start)+(FP_OFF(start)+15)/16;
MML_UseSpace(segstart,seglength, mm);
mmi->nearheap = length;
- printf("near heap ok!\n");
+ //printf("near heap ok!\n");
//
// get all available far conventional memory segments
MML_UseSpace(segstart,seglength, mm);
mmi->farheap = length;
mmi->mainmem = mmi->nearheap + mmi->farheap;
- printf("far heap ok!\n");
+ //printf("far heap ok!\n");
//
if(MML_CheckForXMS(mm))
{
printf("XMS!\n");
- //====needs work!
//MML_SetupXMS(mm, mmi); // allocate as many UMBs as possible
}
printf("far freed\n");
free(mm->nearheap);
printf("near freed\n");
+ //hfree(mm->hugeheap);
+ //printf("huge freed\n");
if(MML_CheckForEMS()){ MML_ShutdownEMS(mm); printf("EMS freed\n"); }
if(MML_CheckForXMS(mm)){ MML_ShutdownXMS(mm); printf("XMS freed\n"); }
}
if(!scan)
{
- printf("MM_FreePtr: Block not found!\n");
+ printf("MM_FreePtr: Block not found!");
return;
}
mm->mmrover = mm->mmhead;
else if(mm->mmrover == start)
{
- printf("MM_SetPurge: Block not found!\n");
+ printf("MM_SetPurge: Block not found!");
return;
}
VW_Plot(x,y,15);
if (scan->next && scan->next->start > end+1)
VW_Hlin(x+end+1,x+(scan->next->start-scan->start),y,0); // black = free
-
*/
//****#if 0
}
//****#endif
-//==========================================================================\r
-\r
-/*\r
-=====================\r
-=\r
-= MM_DumpData\r
-=\r
-=====================\r
-*/\r
-\r
-void MM_DumpData(mminfo_t *mm)\r
-{\r
- mmblocktype far *scan,far *best;\r
- long lowest,oldlowest;\r
- word owner;\r
- byte lock,purge;\r
- FILE *dumpfile;\r
-\r
-\r
- free (mm->nearheap);\r
- dumpfile = fopen ("mmdump.txt","w");\r
- if (!dumpfile){\r
+//==========================================================================
+
+/*
+=====================
+=
+= MM_DumpData
+=
+=====================
+*/
+
+void MM_DumpData(mminfo_t *mm)
+{
+ mmblocktype far *scan,far *best;
+ long lowest,oldlowest;
+ word owner;
+ byte lock,purge;
+ FILE *dumpfile;
+
+
+ free (mm->nearheap);
+ dumpfile = fopen ("mmdump.txt","w");
+ if (!dumpfile){
printf("MM_DumpData: Couldn't open MMDUMP.TXT!");
return;
- }\r
-\r
- lowest = -1;\r
- do\r
- {\r
- oldlowest = lowest;\r
- lowest = 0xffff;\r
-\r
- scan = mm->mmhead;\r
- while (scan)\r
- {\r
- owner = (word)scan->useptr;\r
-\r
- if (owner && owner<lowest && owner > oldlowest)\r
- {\r
- best = scan;\r
- lowest = owner;\r
- }\r
-\r
- scan = scan->next;\r
- }\r
-\r
- if (lowest != 0xffff)\r
- {\r
- if (best->attributes & PURGEBITS)\r
- purge = 'P';\r
- else\r
- purge = '-';\r
- if (best->attributes & LOCKBIT)\r
- lock = 'L';\r
- else\r
- lock = '-';\r
- fprintf (dumpfile,"0x%p (%c%c) = %u\n"\r
- ,(word)lowest,lock,purge,best->length);\r
- }\r
-\r
- } while (lowest != 0xffff);\r
-\r
- fclose (dumpfile);\r
- printf("MMDUMP.TXT created.");\r
+ }
+
+ lowest = -1;
+ do
+ {
+ oldlowest = lowest;
+ lowest = 0xffff;
+
+ scan = mm->mmhead;
+ while (scan)
+ {
+ owner = (word)scan->useptr;
+
+ if (owner && owner<lowest && owner > oldlowest)
+ {
+ best = scan;
+ lowest = owner;
+ }
+
+ scan = scan->next;
+ }
+
+ if (lowest != 0xffff)
+ {
+ if (best->attributes & PURGEBITS)
+ purge = 'P';
+ else
+ purge = '-';
+ if (best->attributes & LOCKBIT)
+ lock = 'L';
+ else
+ lock = '-';
+ fprintf (dumpfile,"0x%p (%c%c) = %u\n"
+ ,(word)lowest,lock,purge,best->length);
+ }
+
+ } while (lowest != 0xffff);
+
+ fclose (dumpfile);
+ printf("MMDUMP.TXT created.");
}
//==========================================================================
void MM_Report(page_t *page, mminfo_t *mm, mminfotype *mmi)
{
- printf("\n");
if(MML_CheckForEMS())
{
- printf("Expanded memory manager present. EMM v%x.%x available\n", mm->EMSVer>>4,mm->EMSVer&0x0F);
- printf("totalEMSpages=%u ", mm->totalEMSpages);
+ printf("EMM v%x.%x available\n", mm->EMSVer>>4,mm->EMSVer&0x0F);
+ printf("totalEMSpages=%u\n", mm->totalEMSpages);
printf("freeEMSpages=%u\n", mm->freeEMSpages);
- printf("Page frame @0x%04x\n", mm->EMSpageframe);
- //printf("EMSpageframe=%x\n", );
+ printf("EMSpageframe=%x\n", mm->EMSpageframe);
}
if(MML_CheckForXMS(mm)) printf("XMSaddr=%Fp\n", *XMSaddr);
printf("near=%lu\n", mmi->nearheap);
projects / 16.git / blobdiff