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STATUS: 17% 

0000 T _sureg		compatible
    00e8 T _estabur		not existent
    01ae T _sestabur		not existent
    0296 T _segureg		not existent
    0438 T _ldsdr		not existent
    0548 T _prmmu		not existent
This commit is contained in:
Oliver Lehmann 2008-05-25 16:59:45 +00:00
parent 87841b3908
commit 1162549bf7
1 changed files with 64 additions and 75 deletions
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139
WEGA/src/uts/sys/ureg.c
View File

@ -1,11 +1,36 @@
#include "sys/plexus.h" /******************************************************************************
#include "sys/param.h" *******************************************************************************
#include "sys/systm.h"
#include "sys/dir.h" W E G A - Quelle
#include "sys/user.h"
#include "sys/proc.h" KERN 3.2 Modul: ureg.c
#include "sys/text.h"
#include "sys/seg.h"
Bearbeiter: O. Lehmann
Datum: 25.05.08
Version: 1.0
*******************************************************************************
******************************************************************************/
char uregwstr[] = @[$]ureg.c Rev : 4.1 08/27/83 12:01:05";
#include <sys/param.h>
#include <sys/sysinfo.h>
#include <sys/systm.h>
#include <sys/file.h>
#include <sys/inode.h>
#include <sys/dir.h>
#include <sys/mmu.h>
#include <sys/buf.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/s.out.h>
#include <sys/user.h>
extern int mmut; /* STACK MMU */
extern int mmud; /* DATA MMU */
extern int mmus; /* CODE MMU */
/* /*
* Load the user hardware segmentation * Load the user hardware segmentation
@ -15,36 +40,27 @@
*/ */
sureg() sureg()
{ {
int taddr, daddr; register struct segd *segmnt;
register i, c; register struct text *textp;
struct text *tp;
int maptemp[NUMLOGPAGE];
taddr = daddr = u.u_procp->p_addr; if(u.u_segmented || inb(SCR)&0x0004)
if ((tp=u.u_procp->p_textp) != NULL) panic("sureg: user is segmented");
taddr = tp->x_caddr;
for (i = 0; i < NUMLOGPAGE; i++) { u.u_segmts[USEG].sg_base = u.u_procp->p_addr+10;
c = u.u_uisa[i]; u.u_segmts[NUSEGS-1].sg_base = (u.u_segmts[USEG].sg_limit + u.u_segmts[USEG].sg_base + 1)
if ((c & B_IP) == 0) - u.u_segmts[NUSEGS-1].sg_limit;
if (c & B_EX) textp = u.u_procp->p_textp;
c += taddr; if(textp) {
else u.u_nsucode.sg_base = textp->x_caddr;
c += daddr; segmnt = &u.u_nsucode;
maptemp[i] = c; } else {
segmnt = &u.u_segmts[USEG];
} }
copymout(maptemp, P_MUI0, NUMLOGPAGE << 1); loadsd(mmut,USEG,segmnt);
loadsd(mmud,USEG,&u.u_segmts[USEG]);
for (i = 0; i < NUMLOGPAGE; i++) { loadsd(mmus,USEG,&u.u_segmts[NUSEGS-1]);
c = u.u_uisa[i + NUMLOGPAGE]; u.u_break = u.u_segmts[USEG].sg_limit + 1;
if ((c & B_IP) == 0) outb(0xffd1,u.u_break);
if (c & B_EX)
c += taddr;
else
c += daddr;
maptemp[i] = c;
}
copymout(maptemp, P_MUD0, NUMLOGPAGE << 1);
} }
/* /*
@ -61,47 +77,20 @@ sureg()
estabur(nt, nd, ns, sep, xrw) estabur(nt, nd, ns, sep, xrw)
unsigned nt, nd, ns; unsigned nt, nd, ns;
{ {
register a, *ap, i;
if (checkur(nt, nd, ns, sep))
return(-1);
a = 0;
ap = &u.u_uisa[0];
for (i = 0; i < nt; i++)
*ap++ = a++ | B_EX | (xrw == RO ? B_RO : 0);
if (sep)
for (i = 0; i < (NUMLOGPAGE - nt); i++)
*ap++ = B_IP | B_RO;
a = USIZE;
for (i = 0; i < nd; i++)
*ap++ = a++;
for (i = 0; i < (NUMLOGPAGE - nd - ns - ((!sep) ? nt : 0)); i++)
*ap++ = B_IP | B_RO;
for (i = 0; i < ns; i++)
*ap++ = a++;
if (!sep) {
ap = &u.u_uisa[0];
for (i = 0; i < NUMLOGPAGE; i++)
ap[i + NUMLOGPAGE] = ap[i];
}
sureg();
return(0);
} }
checkur(nt, nd, ns, sep) sestabur()
{
}
segureg()
{
}
ldsdr()
{
}
prmmu()
{ {
if(sep) {
if(ctos(nt) > NUMLOGPAGE || ctos(nd)+ctos(ns) > NUMLOGPAGE)
goto err;
} else {
if(ctos(nt)+ctos(nd)+ctos(ns) > NUMLOGPAGE)
goto err;
}
if(nt+nd+ns+USIZE > maxmem)
goto err;
return(0);
err:
u.u_error = ENOMEM;
return(-1);
} }