Freescale Semiconductor PowerPC e500 Core, Reference Manual

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PowerPC e500 Core Family Reference Manual, Rev. 1
2-58 Freescale Semiconductor
Register Model
2.15.8 User Performance Monitor Counter Registers
(UPMC0–UPMC3)
The contents of PMC0–PMC3 are reflected to UPMC0–UPMC3, which are read by user-level
software with the mfpmr instruction using the PMR numbers in
Table 2-37 .
2.16 Synchronization Requirements for SPRs
Synchronization requirements for accessing certain SPRs are shown in Table 2-42 . Except for
these SPRs, there are no synchronization requirements for accessing SPRs beyond those stated in
Book E.
Table 2-42. Synchronization Requirements for SPRs
Registers Instruction Instruction Required Before Instruction Required After
BBEAR mtspr bbear None isync
BBTAR mtspr bbtar None isync
BUCSR mtspr bucsr None isync
DBCR0 mtspr dbcr0 None isync
DBCR1 mtspr dbcr1 None isync
HID0 mtspr hid0 None isync
HID1 mtspr hid1 None isync
L1CSR0 mtspr l1csr0 msync , isync isync
L1CSR1 mtspr l1csr1 None isync
MAS[0-4,6] mtspr mas[0–4,6] None isync
MMUCSR0 mtspr mmucsr0 None isync
PID0–PID2 mtspr pid[0–2] None isync
SPEFSCR mtspr spefscr None isync