tlbglobal.c
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#include <R4300.h>
#include <ultra64.h>
/*
#include "setjmp.h"
*/
#include "cpu.h"
static jmp_buf faultbuf;
s32
tlbGlobal(s32 *pt)
{
s32 error = 0;
s32 i;
u32 tlb_attrib = TLBLO_V | TLBLO_G | TLBLO_UNCACHED;
u32 tpid;
u32 vpid;
osUnmapTLBAll();
/* Assume that all TLBs have been unmapped */
XDEBUG(PRINTF("TLB global bit test\n"));
for (i = 0; i < NTLBENTRIES; i++) {
for (vpid = 0x1; vpid < TLBHI_NPID; vpid <<= 1) {
osSetTLBASID(vpid);
for (tpid = 0x1; tpid < TLBHI_NPID; tpid <<= 1) {
volatile u8 bucket;
tlbwired(i, vpid, tpid,
(pt[i * 2] >> 6) | tlb_attrib,
(pt[i * 2 + 1] >> 6) | tlb_attrib);
if (__osSetJmp((u32 *)faultbuf)) {
XDEBUG(PRINTF("ERR: Test failed!\n"));
return ++error;
}
RegisterNoFault((u32 *)faultbuf);
bucket = *(volatile u8 *)0;
ClearNoFault();
osUnmapTLB(i);
}
}
}
XDEBUG(PRINTF("******** Test DONE with %d errors ********\n",
error));
return error;
}