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2020-06-19hw/intc: Initial commit of lowRISC Ibex PLICAlistair Francis
The Ibex core contains a PLIC that although similar to the RISC-V spec is not RISC-V spec compliant. This patch implements a Ibex PLIC in a somewhat generic way. As the current RISC-V PLIC needs tidying up, my hope is that as the Ibex PLIC move towards spec compliance this PLIC implementation can be updated until it can replace the current PLIC. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>