Add SMP support - Githubissues

foss-for-synopsys-dwc-arc-processors / qemu

QEMU port for ARCv2 Processors

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Add SMP support #1

Open shahab-vahedi opened 5 years ago

shahab-vahedi commented 5 years ago

@claziss fill me in.

abrodkin commented 5 years ago

The following ARC-specific features are required to support SMP (Symmetric Multi-Processors):

[ ] ARConnect (former MCIP) interface via AUX regs, see https://github.com/foss-for-synopsys-dwc-arc-processors/qemu/issues/2
[ ] Inter-Core Interrupt Unit (ICI), see https://github.com/foss-for-synopsys-dwc-arc-processors/qemu/issues/3
[ ] Inter-Core Debug Unit (ICD), see https://github.com/foss-for-synopsys-dwc-arc-processors/qemu/issues/4
[ ] Interrupt Distribution Unit (IDU), see https://github.com/foss-for-synopsys-dwc-arc-processors/qemu/issues/5
[ ] Global Free-Running Counter (GFRC), see https://github.com/foss-for-synopsys-dwc-arc-processors/qemu/issues/6

vineetgarc commented 3 years ago

There some baremetal SMP code which could be used to test initial implementation: https://github.com/foss-for-synopsys-dwc-arc-processors/arc-baremetal