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Ariane SMP support #146

Merged
merged 6 commits into from
Feb 16, 2022
Merged

Ariane SMP support #146

merged 6 commits into from
Feb 16, 2022

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jzuckerman
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Support for booting Linux SMP with up to 4 RISC-V Ariane processors:
-Added dcache-inval unit in Ariane processor to receive invalidations from ESP L2 over an ACE bus
-Patch Linux to mitigate RCU stall issue
-Switch from the riscv-pk to openSBI
-Updates to SystemC and SystemVerilog caches to support RISC-V multicore while maintaining backwards compatibility

jzuckerman and others added 6 commits February 16, 2022 00:53
- invalidate L1 caches with AXI-ACE snoop address channel
- flush L1 of Ariane when L2 is flushed
- caches: move PUTACK to RSP plane from FWD
- hold invalidation in adapter if pending read request
- serve forwards from L2 between LR/SC
-pass correct FPGA frequency to openSBI
-enable SMP execution through bootloader only when SMP mode is defined
@jzuckerman jzuckerman changed the base branch from master to dev February 16, 2022 05:59
@jzuckerman jzuckerman merged commit a8aa896 into dev Feb 16, 2022
@jzuckerman jzuckerman mentioned this pull request Mar 8, 2022
@jzuckerman jzuckerman deleted the ariane-smp-release branch July 11, 2024 16:18
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2 participants