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TempleOSCDV5.00.ISO

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Terry A. Davis authored and minexew committed 2018-09-08 21:48:09 +02:00
1 parent 122df6338e
commit f6eacf7744
374 files changed
+11078 -11204
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Kernel/Mem/BlkPool.HC
+15 -14
View File
@@ -1,35 +1,35 @@
U0 BlkPoolAdd(CBlkPool *bp,CMemBlk *m,I64 pages512)
U0 BlkPoolAdd(CBlkPool *bp,CMemBlk *m,I64 pags)
{//Add mem to BlkPool.
if (sys_mem_init_flag)
MemSet(m,sys_mem_init_val,pages512*512);
MemSet(m,sys_mem_init_val,pags*MEM_PAG_SIZE);
PUSHFD
CLI
while (LBts(&bp->locked_flags,BPlf_LOCKED))
PAUSE
m->next=bp->mem_free_lst;
m->pages=pages512;
m->pags=pags;
m->mb_signature=MBS_UNUSED_SIGNATURE_VAL;
bp->alloced_u8s+=pages512<<MEM_PAGE_BITS;
bp->alloced_u8s+=pags<<MEM_PAG_BITS;
bp->mem_free_lst=m;
LBtr(&bp->locked_flags,BPlf_LOCKED);
POPFD
}
U0 BlkPoolInit(CBlkPool *bp,I64 pages512)
U0 BlkPoolInit(CBlkPool *bp,I64 pags)
{//Make mem chunk into a BlkPool.
I64 num;
CMemBlk *m;
MemSet(bp,0,sizeof(CBlkPool));
m=(bp(U8 *)+sizeof(CBlkPool)+MEM_PAGE_SIZE-1)&~(MEM_PAGE_SIZE-1);
num=(bp(U8 *)+pages512<<MEM_PAGE_BITS-m(U8 *))>>MEM_PAGE_BITS;
bp->alloced_u8s=(pages512-num)<<MEM_PAGE_BITS; //Compensate before num added.
m=(bp(U8 *)+sizeof(CBlkPool)+MEM_PAG_SIZE-1)&~(MEM_PAG_SIZE-1);
num=(bp(U8 *)+pags<<MEM_PAG_BITS-m(U8 *))>>MEM_PAG_BITS;
bp->alloced_u8s=(pags-num)<<MEM_PAG_BITS; //Compensate before num added.
BlkPoolAdd(bp,m,num);
}
U0 BlkPoolsInit()
{
I64 i,total,lo,hi,code_heap_limit;
CMemE820 *m20=SYS_MEM_E820;
CMemE820 *m20=MEM_E820;
Bool first=TRUE;
total=BIOSTotalMem;
@@ -41,9 +41,9 @@ U0 BlkPoolsInit()
else
code_heap_limit=0x80000000;
i=code_heap_limit-0x1000000;
BlkPoolAdd(sys_code_bp,0x1000000,i>>MEM_PAGE_BITS);
sys_heap_limit=i+0x1000000-1;
i=code_heap_limit-SYS_16MEG_AREA_LIMIT; //See $LK,"RLf_16MEG_SYS_CODE_BP",A="FF:::/Kernel/Mem/PageTables.HC,RLf_16MEG_SYS_CODE_BP"$
BlkPoolAdd(sys_code_bp,SYS_16MEG_AREA_LIMIT,i>>MEM_PAG_BITS);
mem_heap_limit=i+SYS_16MEG_AREA_LIMIT-1;
if (code_heap_limit<total) {
while (m20->type) {
@@ -58,15 +58,16 @@ U0 BlkPoolsInit()
}
if (code_heap_limit<=lo<hi) {
if (first) {
BlkPoolInit(lo,(hi-lo)>>MEM_PAGE_BITS);
BlkPoolInit(lo,(hi-lo)>>MEM_PAG_BITS);
sys_data_bp=lo;
Fs->data_heap=HeapCtrlInit(,Fs,sys_data_bp);
first=FALSE;
} else
BlkPoolAdd(sys_data_bp,lo,(hi-lo)>>MEM_PAGE_BITS);
BlkPoolAdd(sys_data_bp,lo,(hi-lo)>>MEM_PAG_BITS);
}
}
m20++;
}
}
LBts(&sys_run_level,RLf_FULL_HEAPS);
}