riscv-full-system

RISCV full system support on gem5 related files live here

Current Status of RISCV Linux boot in gem5:

The details of the issues related to RISCV full system/linux boot support in gem5 can be found in JIRA.

Following is a summary of the changes pushed to gem5 by Peter Yuen:

• bbl (with linux kernel payload) + busybox disk image is used​

• A device tree is currently compiled into bbl (berkeley boot loader)

• Addtion of a HiFive Platform

  • https://gem5-review.googlesource.com/c/public/gem5/+/40599

• Fixing bugs in interrupt control logic:

  • https://gem5-review.googlesource.com/c/public/gem5/+/40076 (Reviewed)
  • https://gem5-review.googlesource.com/c/public/gem5/+/39035 (Merged)
  • https://gem5-review.googlesource.com/c/public/gem5/+/39036 (Merged)
  • https://gem5-review.googlesource.com/c/public/gem5/+/38578 (Merged)

• Addition of CLINT (Core Local Interrupt Controller)

  • https://gem5-review.googlesource.com/c/public/gem5/+/40597

• Addition of PLIC (Platform Level Interrupt Controller)

  • https://gem5-review.googlesource.com/c/public/gem5/+/40598/2

• Addition of RISCV PMA (Physical Memory Attributes)

  • https://gem5-review.googlesource.com/c/public/gem5/+/40596