Difference between revisions of "Registers"

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|| cycles until next exu instruction issue
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|| offset from cpReg of head byte of current ebb
 
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| framePointer || fp
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|| address of current stack frame
 
|| address of current stack frame
 
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|| flowCore instruction counter
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|| offset from cpReg of function entry address
 
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| globalObjectTable || gotp
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Latest revision as of 13:24, 23 February 2021

Name ID Base Reader Writer Spilled On Description
argsSize ✘ ✘ ✘ call, task switch size of memory argument block for next dynamic call
atomicStatus ✘ ✘ ✘ status if in an atomic extent
backCount ✘ ✘ ✘ pending stalls for atomic backoff
backoff ✘ ✘ ✘ backoff increment on atomic failure
codeLowerBound ✘ ✔ ✘ task switch global address of code address region
coreNum ✘ ✔ ✘ ordinal number of this core on the chip
codePointer cp ✘ ✔ ✘ task switch local address of code address region
constantPool cpp ✔ ✔ ✘ call, task switch address of constant pool
codeUpperBound ✘ ✔ ✘ task switch upper bound of code address region
cycleCounter ✘ ✔ ✘ task switch instruction cycle counter
dataLowerBound ✘ ✔ ✘ task switch global address of data address region
dataPointer dp ✔ ✔ ✘ task switch local address of data address region
dataUpperBound ✘ ✔ ✘ task switch upper bound of data address region
ebbEntry ✘ ✔ ✘ call, task switch offset from cpReg of head byte of current ebb
faultBase ✘ ✔ ✔ call, task switch fault vector base address
floatControl ✘ ✔ ✔ call, task switch floating point mode control
floatStatus ✘ ✔ ✔ call, task switch floating point status
framePointer fp ✔ ✔ ✘ call, task switch address of current stack frame
functionEntry func ✘ ✘ ✘ call, task switch offset from cpReg of function entry address
globalObjectTable gotp ✔ ✘ ✘ task switch address of GOT (Global Object Table)
inboundArguments inp ✔ ✔ ✘ call, task switch inbound memory arguments address
issueCounter ✘ ✔ ✘ task switch instruction issue counter
localSpace ✘ ✘ ✘ base of process local space within global space
noCacheLowerBound ✘ ✘ ✘ global address of MMIO aperture (bypasses caches)
noCacheUpperBound ✘ ✘ ✘ global address of upper bound of the MMIO aperture
outboundArguments outp ✔ ✔ ✘ call, task switch outbound memory arguments address
processID ✘ ✔ ✘ task switch current process number
realTimeClock rtc ✘ ✔ ✘ real time clock
startStop ✘ ✘ ✘ true to start, false to stall
scratchBase ✘ ✘ ✘ call, task switch base address of extended scratchpad
scratchSize ✘ ✘ ✘ call, task switch size (extent) of extended scratchpad
segExtent ✘ ✘ ✘ size in bytes of top stack segment
ssegmentBase ✘ ✘ ✘ address of start of top stack segment in memory
spillerSp ✘ ✘ ✘ spiller stack pointer
stackPointer ✘ ✘ ✘ call, task switch address of current top of stack and upper address of stack address region
stacklets ✘ ✘ ✘ address of start of stacklets region in memory
stepsInEbb ✘ ✔ ✘ call, task switch issue cycles executed within current ebb
threadID ✘ ✔ ✘ task switch current thread number
threadPointer tlp ✔ ✔ ✘ task switch address of per-thread data
thisPointer tp ✔ ✔ ✘ task switch address of receiver of method call
trapBase ✘ ✘ ✘ task switch trap vector base address
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