Ping? > 2023年2月6日 01:08，Jiaxun Yang <jiaxun.y...@flygoat.com> 写道： > > > >> 2023年2月5日 11:48，Philippe Mathieu-Daudé <phi...@linaro.org> 写道： >> >> Hi Jiaxun, >> >> On 2/2/23 14:21, Jiaxun Yang wrote: >>> MIPS virt board is design to utilize existing VirtIO infrastures >>> but also comptitable with MIPS's existing internal simulation tools. >>> It includes virtio-mmio, pcie gpex, flash rom, fw_cfg, goldfish-rtc, >>> and optional goldfish_pic in case MIPS GIC is not present. >> >> Is it worth using the CPS/GIC? Can't we using the goldfish PIC >> regardless CPS availability? Did you run performance comparison? > > goldfish_pic don’t have IPI infra so we must reinvent another SMP mechanism > :-( > > The interrupt performance should be close as the interrupt handling flow is > almost > the same. > > Also it can help us prepare for I6400 vGIC support. > > Thanks. > - Jiaxun > > >> >>> It should be able to cooperate with any MIPS CPU cores. >>> Signed-off-by: Jiaxun Yang <jiaxun.y...@flygoat.com> >>> --- >>> v1: >>> - Rename to virt board >>> - Convert BIOS flash to ROM >>> - Cleanups >>> --- >>> MAINTAINERS | 7 + >>> configs/devices/mips-softmmu/common.mak | 1 + >>> docs/system/target-mips.rst | 24 + >>> hw/mips/Kconfig | 18 + >>> hw/mips/meson.build | 1 + >>> hw/mips/virt.c | 1015 +++++++++++++++++++++++ >>> 6 files changed, 1066 insertions(+) >>> create mode 100644 hw/mips/virt.c >> > >
