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bs: replace pmep C pointer with Prime physical address

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Jim 2011-10-17 15:15:35 -04:00
parent 5790718ed7
commit 7b150eed02
1 changed files with 3 additions and 3 deletions
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6
em.c
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@ -395,7 +395,7 @@ static unsigned short cpuid = 15; /* STPM CPU model, set with -cpuid */
#define STLB_UNMODIFIED_BIT 2 /* stored in access[2] */
typedef struct {
unsigned short *pmep; /* C pointer to page table flag word */
unsigned int pmaddr; /* Prime phys addr of page table flag word */
unsigned int ppa; /* physical page address (PPN << 10) */
unsigned short procid; /* process id for segments >= '4000 */
short seg; /* segment number (0-0xFFF), 0xFFFF = invalid */
@ -1051,7 +1051,7 @@ static pa_t mapva(ea_t ea, ea_t rp, short intacc, unsigned short *access) {
stlbp->procid = getcrs16(OWNERL);
stlbp->seg = seg;
stlbp->ppa = ppa;
stlbp->pmep = MEM+pmaddr; /* NOTE: C pointer to Prime memory */
stlbp->pmaddr = pmaddr;
#ifndef NOTRACE
TRACE(T_TLB, "stlb[%d] loaded at %o/%o for %o/%o, ppn=%d\n", stlbix, RPH, RPL, seg, ea&0xFFFF, ppa>>10);
stlbp->load_ic = gvp->instcount;
@ -1081,7 +1081,7 @@ static pa_t mapva(ea_t ea, ea_t rp, short intacc, unsigned short *access) {
fault(ACCESSFAULT, 0, ea);
if (stlbp->access[STLB_UNMODIFIED_BIT] && intacc == WACC) {
stlbp->access[STLB_UNMODIFIED_BIT] = 0;
*(stlbp->pmep) &= ~020000; /* BS reset unmodified bit in memory */
put16mem(stlbp->pmaddr, get16mem(stlbp->pmaddr) & ~020000); /* reset unmodified bit in memory */
}
pa = stlbp->ppa | (ea & 0x3FF);
TRACE(T_MAP," for ea %o/%o, iacc=%d, stlbix=%d, pa=%o loaded at #%lu\n", ea>>16, ea&0xffff, intacc, stlbix, pa, stlbp->load_ic);