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hw/intc: Initial commit of lowRISC Ibex PLIC

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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>
This commit is contained in:
Alistair Francis 2020-04-23 18:34:15 -07:00
parent a7d2d98c59
commit 879f60f01c
4 changed files with 327 additions and 0 deletions
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hw/intc/Makefile.objs
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@ -49,3 +49,4 @@ obj-$(CONFIG_ARM_GIC) += arm_gicv3_cpuif.o
obj-$(CONFIG_MIPS_CPS) += mips_gic.o
obj-$(CONFIG_NIOS2) += nios2_iic.o
obj-$(CONFIG_OMPIC) += ompic.o
obj-$(CONFIG_IBEX) += ibex_plic.o