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21264/EV68A Hardware Reference Manual
Index–9
PALcode
conditional branches in
, D–14
described
, 6–1
entries points for
, 6–12
exception entry points
, 6–13
guidelines for
, D–1
HW_LD instruction
, 6–3
HW_MFPR instruction
, 6–6
HW_MTPR instruction, 6–6
HW_RET instruction
, 6–5
HW_ST instruction
, 6–4
required function codes, 6–3
reserved opcodes for
, 6–3
restrictions for
, D–1
PALmode environment
, 6–2
PALshadow registers
, 6–11
PCTR_CTL performance counter control counter
register
updating
, D–17
PCTR_CTL performance counter control register
,
5–23
at power-on reset state
, 7–15
updating
, D–18
PCTX Ibox process context register
, 5–21
after fault reset
, 7–8
after warm reset
, 7–11
at power-on reset state
, 7–15
through sleep mode
, 7–10
Phase-lock loop. See PLL
Physical address considerations
, 4–4
Pipeline
abort delay
, 2–16
Dcache access
, 2–16
Ebox execution, 2–16
Ebox slotting
, 2–18
Fbox execution
, 2–16
instruction fetch
, 2–14
instruction group definitions
, 2–17
instruction issue rules
, 2–16
instruction latencies
, 2–20
instruction retire rules
, 2–21
instruction slot
, 2–14
issue queue, 2–15
organization
, 2–13
register maps
, 2–15
register reads, 2–16
PLL
description
, 7–19
output clocks
, 7–19
ramp up
, 7–6
PLL_IDD, values for
, 9–3
PLL_VDD signal pin
, 3–5
PLL_VDD, values for
, 9–3
PllBypass_H signal pin
, 3–5
PMPC ProfileMe register
, 5–8
Ports
IEEE 1149.1
, 11–3
serial terminal
, 11–2
SROM load
, 11–2
Power
maximum
, 9–1
sleep defined
, 9–3
Power supply sequencing
, 9–5
Power-on
flow signals and constraints
, 7–7
reset flow, 7–1
self-test and initialization
, 11–5
timing sequence
, 7–3
PRB_TAG_ONLY Cbox CSR
, 4–28
defined
, 5–34
Privileged architecture library code
See PALcode
Probe commands, system
, 4–26, 4–40
Probe queue
, 2–11
PROBE_BC_ERR error status in C_STAT
, 5–42
ProbeResponse, 21264/EV68A command
, 4–21,
4–24, 4–39
ProfileMe mode
, 6–20
Push-pull output clock driver. See O_PP_CLK
Push-pull output driver. See O_PP
R
R31
load instructions with
, 2–23
retire instructions with
, 2–22
speculative loads to
, 2–25
RAMP1 reset machine state
, 7–17
RAMP2 reset machine state
, 7–18
Ranges and extents convention
, xxi
RdBlk, 21264/EV68A command
, 4–39
RdBlkI, 21264/EV68A command
, 4–39
RdBlkMod, 21264/EV68A command
, 4–39
RdBlkModSpec, 21264/EV68A command
, 4–39
RdBlkModVic, 21264/EV68A command
, 4–39
RdBlkSpec, 21264/EV68A command
, 4–39
RdBlkSpecI, 21264/EV68A command
, 4–39
RdBlkVic, 21264/EV68A command
, 4–39
RdBlkVicI, 21264/EV68A command
, 4–39
RdBytes, 21264/EV68A command
, 4–39
RdLWs, 21264/EV68A command
, 4–39
RdQWs, 21264/EV68A command
, 4–39
RDVIC_ACK_INHIBIT Cbox CSR
, 4–25, 4–26
defined
, 5–34