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Re: [Qemu-riscv] RISC-V: Include ROM in QEMU

From: Palmer Dabbelt
Subject: Re: [Qemu-riscv] RISC-V: Include ROM in QEMU
Date: Fri, 07 Jun 2019 17:03:42 -0700 (PDT)

On Thu, 06 Jun 2019 16:22:47 PDT (-0700), address@hidden wrote:

As a test of the waters, how would the QEMU community feel about
including the RISC-V OpenSBI project as a ROM submodule?

The idea would be to have OpenSBI (similar to ATF for ARM and a BIOS
for x86) included by default to simplify the QEMU RISC-V boot process
for users. This would remove the requirement for users/developers to
build a RISC-V firmware. The goal here is to allow people to just
download and run their kernel as easily as they currently do for x86.

We would make sure that it can be disabled! That is users/developers
can use their own (or none) if they want to. The idea here is just to
simplify the boot process, not lock anyone out.

I like it.  My only question is about the mechanics of doing so: are we just
going to assume there's a cross compiler in PATH?  I guess that's less of a
usability headache than needing a complier and a firmware.

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