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From: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <2343d5ed-2531-b13a-3dd2-3f943cfaf0b5@linaro.org>
Date: Fri, 23 Feb 2018 13:24:37 -0800
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Subject: Re: [Qemu-devel] [PATCH v6 12/23] RISC-V HTIF Console
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To: Michael Clark <mjc@sifive.com>, qemu-devel@nongnu.org
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Palmer Dabbelt <palmer@sifive.com>, Sagar Karandikar <sagark@eecs.berkeley.edu>, RISC-V Patches <patches@groups.riscv.org>

On 02/22/2018 04:11 PM, Michael Clark wrote:
> HTIF (Host Target Interface) provides console emulation for QEMU. HTIF
> allows identical copies of BBL (Berkeley Boot Loader) and linux to run
> on both Spike and QEMU. BBL provides HTIF console access via the
> SBI (Supervisor Binary Interface) and the linux kernel SBI console.
> 
> The HTIT chardev implements the pre qom legacy interface consistent
> with the 16550a UART in 'hw/char/serial.c'.
> 
> Signed-off-by: Michael Clark <mjc@sifive.com>
> ---
>  hw/riscv/riscv_htif.c         | 263 ++++++++++++++++++++++++++++++++++++++++++
>  include/hw/riscv/riscv_htif.h |  64 ++++++++++
>  2 files changed, 327 insertions(+)
>  create mode 100644 hw/riscv/riscv_htif.c
>  create mode 100644 include/hw/riscv/riscv_htif.h

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~