
Volume 3: Instruction Reference
3:219
probe
Operation:
if (PR[
qp
]) {
itype = NON_ACCESS;
itype |= (read_write_form) ? READ|WRITE : ((write_form) ? WRITE : READ);
itype |= (fault_form) ? PROBE_FAULT : PROBE;
itype |= (register_form) ? REGISTER_FORM : IMM_FORM;
if (!fault_form)
check_target_register(
r
1
);
if (GR[
r
3
].nat || (register_form ? GR[
r
2
].nat : 0))
register_nat_consumption_fault(itype);
tmp_pl = (register_form) ? GR[
r
2
]{1:0} :
imm
2
;
if (tmp_pl < PSR.cpl)
tmp_pl = PSR.cpl;
if (fault_form) {
tlb_translate(GR[
r
3
], 1, itype, tmp_pl, &mattr, &defer);
} else {
// regular_form
if (impl_probe_intercept())
check_probe_virtualization_fault(itype, tmp_pl);
GR[
r
1
] = tlb_grant_permission(GR[
r
3
], itype, tmp_pl);
GR[
r
1
].nat = 0;
}
}
Interruptions:
Illegal Operation fault
Data Page Not Present fault
Register NaT Consumption fault
Data NaT Page Consumption fault
Unimplemented Data Address fault
Data Key Miss fault
Virtualization fault
Data Key Permission fault
Data Nested TLB fault
Data Access Rights fault
Alternate Data TLB fault
Data Dirty Bit fault
VHPT Data fault
Data Access Bit fault
Data TLB fault
Data Debug fault
Содержание Itanium 9150M
Страница 1: ......
Страница 209: ...3 200 Volume 3 Instruction Reference padd Interruptions Illegal Operation fault...
Страница 301: ...3 292 Volume 3 Pseudo Code Functions Intel Itanium Architecture Software Developer s Manual Rev 2 3...
Страница 405: ...3 396 Volume 3 Resource and Dependency Semantics...
Страница 406: ...3 397 Intel Itanium Architecture Software Developer s Manual Rev 2 3 Index...
Страница 407: ...3 398 Intel Itanium Architecture Software Developer s Manual Rev 2 3...
Страница 419: ...INDEX Index 12 Index for Volumes 1 2 3 and 4...
Страница 420: ......