[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 0/2] RTC support for QEMU RISC-V virt machine
From: |
Richard W.M. Jones |
Subject: |
Re: [PATCH 0/2] RTC support for QEMU RISC-V virt machine |
Date: |
Fri, 27 Sep 2019 12:50:47 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Tue, Sep 24, 2019 at 08:42:36AM +0000, Anup Patel wrote:
> This series adds RTC device to QEMU RISC-V virt machine. We have
> selected Goldfish RTC device model for this. It's a pretty simple
> synthetic device with few MMIO registers and no dependency external
> clock. The driver for Goldfish RTC is already available in Linux so
> we just need to enable it in Kconfig for RISCV and also update Linux
> defconfigs.
>
> We have tested this series with Linux-5.3 plus defconfig changes
> available in 'goldfish_rtc_v1' branch of:
> https://github.com/avpatel/linux.git
Why was this device chosen instead of kvm-clock?
Rich.
> Anup Patel (2):
> hw: timer: Add Goldfish RTC device
> riscv: virt: Use Goldfish RTC device
>
> hw/riscv/Kconfig | 1 +
> hw/riscv/virt.c | 15 +++
> hw/timer/Kconfig | 3 +
> hw/timer/Makefile.objs | 1 +
> hw/timer/goldfish_rtc.c | 221 ++++++++++++++++++++++++++++++++
> include/hw/riscv/virt.h | 2 +
> include/hw/timer/goldfish_rtc.h | 45 +++++++
> 7 files changed, 288 insertions(+)
> create mode 100644 hw/timer/goldfish_rtc.c
> create mode 100644 include/hw/timer/goldfish_rtc.h
>
> --
> 2.17.1
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-top is 'top' for virtual machines. Tiny program with many
powerful monitoring features, net stats, disk stats, logging, etc.
http://people.redhat.com/~rjones/virt-top
[PATCH 2/2] riscv: virt: Use Goldfish RTC device, Anup Patel, 2019/09/24
Re: [PATCH 0/2] RTC support for QEMU RISC-V virt machine,
Richard W.M. Jones <=