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refine behaviour of CPU sleep signal #746

Merged
merged 4 commits into from Dec 9, 2023
Merged

refine behaviour of CPU sleep signal #746

merged 4 commits into from Dec 9, 2023

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stnolting
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The CPU's sleep_o signal get high when

  • the CPU has entered sleep mode (wfi instruction)
  • and all pending bus accesses (i.e. instruction fetch) have completed
  • -> the CPU is safely "parked"

@stnolting stnolting added enhancement New feature or request HW hardware-related labels Dec 9, 2023
@stnolting stnolting self-assigned this Dec 9, 2023
@stnolting stnolting linked an issue Dec 9, 2023 that may be closed by this pull request
Processor doesn't park itself in a know good state prior to going to sleep #744
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@stnolting stnolting marked this pull request as ready for review December 9, 2023 08:47
@stnolting stnolting changed the title refine behivour of CPU sleep signal refine behaviour of CPU sleep signal Dec 9, 2023
@stnolting stnolting merged commit f63236c into main Dec 9, 2023
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@stnolting stnolting deleted the sleep_signal branch December 9, 2023 09:01
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Processor doesn't park itself in a know good state prior to going to sleep
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