Service manual
Table 4–9 (Cont.): Machine Check Parameters
Parameter
Value
(hex) or
Bit Description
08 Translation buffer miss in ACV/TNV microflow
09 Translation buffer hit in ACV/TNV microflow
0A Undefined INT.ID value
0B Undefined MOVCx state
0C Undefined instruction trap code
0D Undefined control store address
10 Cache read tag/data parity error
11 DAL bus or data parity read error
12 DAL bus error on write or clear write buffer
13 Undefined bus error microtrap
14 Vector module error
Virtual address (SP+8) <31:0> Current contents of VAP register
Virtual instruction buffer
address (SP+C)
<31:0> Current virtual instruction buffer address
Interrupt state (SP+10) <22> ICCS bit <6>
<15:1> SISR bits <15:1>
Internal state (SP+14) <31:24> Difference between current PC and opcode PC
<20:18> Address of last memory reference
<17:16> Data length of last memory reference
<15:8> Opcode
<3:0> Last GPR referenced by E-box
Internal register (SP+18) <31:0>
Program counter (SP+1C) <31:0> PC at the start of the current instruction
Processor status longword
(SP+20)
<31:0> Current contents of PSL
<REFERENCE>(XRP) Scalar Processor 4–39










