Compaq AlphaServer ES40, Service Manual

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Registers D-49
Table D–21 Bit Definition of Logout Frame Registers (Continued)
Register
Identification
Bit Field Text Translation Description
I_STAT <63:41>
<40>
<39>
<38>
<37:34>
<33>
<32:30>
<29>
<28:0>
Reserved
ProfileMe Mispredict Trap
ProfileMe Trap
ProfileMe Load-Store Order Trap
ProfileMe Trap Types
ProfileMe Icache Miss
ProfileMe Counter 0 Overcount
Set = icache encountered a parity error on instruction fetch
and a reply trap is performed which generates a correctable
read interrupt.
Reserved
DC_STAT <4:0> 00001(Bin) = Dcache tag probe pipeline 0 error;
00010(Bin) = Dcache tag probe pipeline 1 error;
00100(Bin) = Dcache data ECC error during store;
01000(Bin) = Dcache, Bcache or System fill data ECC error
during load;
10000(Bin) = Dcache data store ECC error occurred within 6
cycles of the previous Dcache store ECC error.
MM_STAT <3:0>
<10>
<9:4>
0001(Bin)= Write reference triggered error;
0010(Bin) = Reference caused an access violation;
0100(Bin) = PTE[FOR] bit set during read reference error;
1000(Bin) = PTE[FOW] bit set during write reference error.
Set = Dcache tag parity correctable error during initial tag
probe of load/store instruction.
Opcode of instruction which triggered error.