System Debug Reference Manual (32650-90888)

236 Chapter6
System Debug Command Specifications M-X
MR
The following registers are known as the Space Registers . They are used
for short pointer addressing:
The following registers are known as the
Control Registers . They
contain system state information:
Table 6-3. Space Registers
Name Alias Access Description
SR0 none dm Space register 0
SR1 SARG dm Space register argument
SRET dm Space return register
SR2 none dm Space register 2
SR3 none dm Space register 3
SR4 none dM Process local code space(tracks PC space)
SR5 none dM Process local data space
SR6 none dM Operating system data space 1
SR7 none dM Operating system data space 2
Table 6-4. Control Registers
Name Alias Access Description
CR0 RCTR dM Recovery counter
CR8 PID1 dM Protection ID 1 (16 bits)
CR9 PID2 dM Protection ID 2 (16 bits)
CR10 CCR dM Coprocessor configuration (8 bits)
CR11 SAR dm Shift amount register (5 bits)
CR12 PID3 dM Protection ID 3 (16 bits)
CR13 PID4 dM Protection ID 4 (16 bits)
CR14 IVA dM Interrupt vector address
CR15 EIEM dM External interrupt enable mask
CR16 ITMR dM Interval timer
CR17 PCSF dM PC space queue front
none PCSB dM PC space queue back
CR18 PCOF dM PC offset queue front
none PCSB dM PC offset queue Back