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kernel
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Allocate fnodes in the HMA instead of in an UMB 

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@826 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2004-03-26 23:10:13 +00:00
parent 9db450a9b7
commit ba0b070222
1 changed files with 20 additions and 10 deletions
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30
kernel/config.c
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@ -364,10 +364,8 @@ void PreConfig(void)
DynAlloc("DPBp", blk_dev.dh_name[0], sizeof(struct dpb));
/* Initialize the file table */
LoL->f_nodes =
KernelAlloc(Config.cfgFiles * sizeof(struct f_node), 'F', 0);
config_init_fnodes(Config.cfgFiles);
LoL->f_nodes_cnt = Config.cfgFiles;
LoL->sfthead = MK_FP(FP_SEG(LoL), 0xcc); /* &(LoL->firstsftt) */
/* LoL->FCBp = (sfttbl FAR *)&FcbSft; */
/* LoL->FCBp = (sfttbl FAR *)
@ -376,7 +374,6 @@ void PreConfig(void)
config_init_buffers(Config.cfgBuffers);
LoL->CDSp = KernelAlloc(sizeof(struct cds) * LoL->lastdrive, 'L', 0);
#ifdef DEBUG
@ -458,6 +455,9 @@ void PostConfig(void)
DebugPrintf(("starting FAR allocations at %x\n", base_seg));
/* Initialize the file table */
config_init_fnodes(Config.cfgFiles);
/* Begin by initializing our system buffers */
/* dma_scratch = (BYTE FAR *) KernelAllocDma(BUFFERSIZE); */
#ifdef DEBUG
@ -477,15 +477,10 @@ void PostConfig(void)
sp->sftt_next = (sfttbl FAR *) - 1;
sp->sftt_count = Config.cfgFiles - 8;
/* Initialize the file table */
LoL->f_nodes = KernelAlloc(Config.cfgFiles * sizeof(struct f_node), 'F',
Config.cfgFilesHigh);
LoL->f_nodes_cnt = Config.cfgFiles; /* and the number of allocated files */
LoL->CDSp = KernelAlloc(sizeof(struct cds) * LoL->lastdrive, 'L', Config.cfgLastdriveHigh);
#ifdef DEBUG
printf("Final: \n f_node 0x%x\n", LoL->f_nodes);
printf("Final: \n f_node 0x%p\n", LoL->f_nodes);
/* printf(" FCB table 0x%p\n",LoL->FCBp);*/
printf(" sft table 0x%p\n", LoL->sfthead->sftt_next);
printf(" CDS table 0x%p\n", LoL->CDSp);
@ -1777,6 +1772,21 @@ VOID config_init_buffers(COUNT anzBuffers)
anzBuffers, anzBuffers * sizeof(struct buffer));
}
VOID config_init_fnodes(int f_nodes_cnt)
{
struct f_node FAR *p;
size_t bytes;
/* number of allocated files */
LoL->f_nodes_cnt = f_nodes_cnt;
bytes = f_nodes_cnt * sizeof(struct f_node);
p = HMAalloc(bytes);
if (p == NULL)
p = KernelAlloc(bytes, 'F', 0);
LoL->f_nodes = p;
}
/*
Undocumented feature: