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P8000
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STATUS: 17% 

0000 T _sureg		compatible
    00e8 T _estabur		functional compatible:
    				uses different temp. reg.
    01ae T _sestabur		not compatible
    0296 T _segureg		functional compatible:
    				uses different temp. reg.
    0438 T _ldsdr		not existent
    0548 T _prmmu		not existent
This commit is contained in:
Oliver Lehmann 2008-05-27 20:28:47 +00:00
parent b4236c3bac
commit 1791f01178
1 changed files with 39 additions and 6 deletions
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45
WEGA/src/uts/sys/ureg.c
View File

@ -13,7 +13,7 @@
*******************************************************************************
******************************************************************************/
char uregwstr[] = @[$]ureg.c Rev : 4.1 08/27/83 12:01:05";
char uregwstr[] = "@[$]ureg.c Rev : 4.1 08/27/83 12:01:05";
#include <sys/param.h>
#include <sys/sysinfo.h>
@ -27,6 +27,7 @@ char uregwstr[] = @[$]ureg.c Rev : 4.1 08/27/83 12:01:05";
#include <sys/proc.h>
#include <sys/s.out.h>
#include <sys/user.h>
#include <sys/text.h>
extern int mmut; /* STACK MMU */
extern int mmud; /* DATA MMU */
@ -107,14 +108,14 @@ register unsigned sep;
return(-1);
}
stackseg = nd&LONGMASK;
stakseg = nd&LONGMASK;
if(sep > 128) {
u.u_error = ENOEXEC;
return(-1);
}
if(stackseg == u.u_stakseg) {
if(stakseg == u.u_stakseg) {
u.u_segmts[NUSEGS-1].sg_limit = (!nt?0:-nt+256);
u.u_segmts[NUSEGS-1].sg_attr = (!nt?32:-nt+20);
return(0);
@ -122,17 +123,49 @@ register unsigned sep;
u.u_segmts[ns].sg_limit = (!nt?0:nt-1);
if(nd&128) {
if(nd&128)
u.u_segmts[ns].sg_attr = (!nt?20:sep);
} else {
else
u.u_segmts[ns].sg_attr = (!nt?20:0);
}
return(0);
}
segureg()
{
register short caddr;
register short addr;
register int segno;
register struct text *textp;
char i, j;
addr = u.u_procp->p_addr+USIZE;
textp = u.u_procp->p_textp;
if(textp)
caddr = textp->x_caddr;
else
caddr = 0;
for(i=0;i<u.u_nsegs;i++) {
segno = u.u_segno[i]&0x7f;
j = u.u_segmts[i].sg_attr&0x14;
if (u.u_segno[i] & 0x80){
u.u_segmts[i].sg_base = caddr;
if(u.u_segmts[i].sg_limit > 0 || !j)
caddr += u.u_segmts[i].sg_limit-1; /*FIXME: r2 gets used here, r3 has to be used here */
} else {
u.u_segmts[i].sg_base = addr;
if(u.u_segmts[i].sg_limit || !j)
addr += u.u_segmts[i].sg_limit+1;
}
if((unsigned)segno < 0x0040)
loadsd(mmud,segno,&u.u_segmts[i]);
else
loadsd(mmus,segno,&u.u_segmts[i]);
}
u.u_segmts[NUSEGS-1].sg_limit = addr - u.u_segmts[NUSEGS-1].sg_limit;
loadsd((u.u_stakseg<0x40?mmud:mmus),0x7f,&u.u_segmts[NUSEGS-1]);
}
ldsdr()