Compaq 21264 - Manual (Page 353)

Alpha 21264/EV67 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 , 5–41
ProbeResponse, 21264/EV67 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/EV67 command , 4–39
RdBlkI, 21264/EV67 command , 4–39
RdBlkMod, 21264/EV67 command , 4–39
RdBlkModSpec, 21264/EV67 command , 4–39
RdBlkModVic, 21264/EV67 command , 4–39
RdBlkSpec, 21264/EV67 command , 4–39
RdBlkSpecI, 21264/EV67 command , 4–39
RdBlkVic, 21264/EV67 command , 4–39
RdBlkVicI, 21264/EV67 command , 4–39
RdBytes, 21264/EV67 command , 4–39
RdLWs, 21264/EV67 command , 4–39
RdQWs, 21264/EV67 command , 4–39
RDVIC_ACK_INHIBIT Cbox CSR , 4–25 , 4–26
defined , 5–34