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2022-09-29 17:59:04 +03:00

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1.5 KiB
C

/* tlb valid test
*/
#ident "$Revision: 1.2 $"
#include <sys/types.h>
#include <sys/sbd.h>
#include <setjmp.h>
#include <fault.h>
#include <libsk.h>
#include "tlb.h"
#include "fforward/cache/cache.h"
int
tlbvalid(__psunsigned_t *pt, u_int *not_used1, u_int *not_used2)
{
int error = 0;
jmp_buf faultbuf;
int i, set;
unsigned long tmp;
msg_printf(VRB, "TLB valid bit test\n");
tlbpurge ();
for (set = 0; set < NTLBSETS; set++) {
msg_printf(DBG,"Set: %d\n",set);
for (i = 0; i < NTLBENTRIES; i++) {
u_char *addr;
addr = (u_char *)(K2BASE + i * PAGESIZE );
msg_printf(DBG,"Current address is %016x\n",addr);
tfptlbfill(set, 0, (unsigned long)addr,
(pt[i] & TLBLO_PFNMASK) | TLBLO_UNCACHED );
tmp = get_cp0_tlblo();
msg_printf(DBG,"tlblo = %016x\t", tmp);
tmp = get_cp0_tlbhi();
msg_printf(DBG,"tlbhi = %016x\t", tmp);
tmp = get_cp0_badvaddr();
msg_printf(DBG,"badvaddr = %016x\n", tmp);
if (setjmp(faultbuf)) {
msg_printf(DBG,"Inside setjmp\n");
if (_badvaddr_save != (__psunsigned_t)addr) {
msg_printf (ERR,
"BadVaddr, Expected: 0x%08x, Actual: 0x%08x\n",
addr, _badvaddr_save);
error++;
}
DoEret();
} else {
volatile u_char bucket;
nofault = faultbuf;
bucket = *(volatile u_char *)addr;
nofault = 0;
msg_printf (ERR,"Did not receive expected exception\n");
error++;
}
/* invaltlb(i);*/
tlbpurge();
}
}
return error;
}