On Mon, Jun 17, 2024 at 02:09:34PM +0200, Stefan Weil wrote: > [EXTERNAL MAIL] > > Am 12.06.24 um 05:17 schrieb Ethan Chen via: > > Support basic functions of IOPMP specification v0.9.1 rapid-k model. > > The specification url: > > https://github.com/riscv-non-isa/iopmp-spec/releases/tag/v0.9.1 > > > > IOPMP check memory access from device is valid or not. This implementation > > uses > > IOMMU to change address space that device access. There are three possible > > results of an access: valid, blocked, and stalled(stall is not supported in > > this > > patch). > > > > If an access is valid, target address space is downstream_as. > > If an access is blocked, it will go to blocked_io_as. The operation of > > blocked_io_as could be a bus error, or it can respond a success with > > fabricated > > data depending on IOPMP ERR_CFG register value. > > > > Signed-off-by: Ethan Chen <etha...@andestech.com> > > --- > > hw/misc/Kconfig | 3 + > > hw/misc/meson.build | 1 + > > hw/misc/riscv_iopmp.c | 1002 +++++++++++++++++++++++++++++++++ > > hw/misc/trace-events | 4 + > > include/hw/misc/riscv_iopmp.h | 152 +++++ > > 5 files changed, 1162 insertions(+) > > create mode 100644 hw/misc/riscv_iopmp.c > > create mode 100644 include/hw/misc/riscv_iopmp.h > > Should both new files have SPDX license identifiers? > > Regards, > Stefan W.
Thank you for the reminder, I will add them. Thanks, Ethan
