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| author | Laszlo Ersek <lersek@redhat.com> | 2023-09-13 11:08:14 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-09-14 09:56:20 +0000 |
| commit | 1bfd63ac3955ac162fba5ffacb289762cc641bb5 (patch) | |
| tree | 8ba262335d5e10990f0a61f23c3c0b517a7fdf3a /OvmfPkg/RiscVVirt | |
| parent | 5242bae5ddbb1acc1369a94ecab8ee62b6a54d77 (diff) | |
| download | edk2-1bfd63ac3955ac162fba5ffacb289762cc641bb5.tar.gz edk2-1bfd63ac3955ac162fba5ffacb289762cc641bb5.tar.bz2 edk2-1bfd63ac3955ac162fba5ffacb289762cc641bb5.zip | |
OvmfPkg/RiscVVirt/README: explain the "acpi=off" machine property
"acpi=off" is arguably unusual with UEFI guest OSes; add a note to explain
it. Original explanation by Drew Jones.
Cc: Andrei Warkentin <andrei.warkentin@intel.com>
Cc: Andrew Jones <ajones@ventanamicro.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Diffstat (limited to 'OvmfPkg/RiscVVirt')
| -rw-r--r-- | OvmfPkg/RiscVVirt/README.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/OvmfPkg/RiscVVirt/README.md b/OvmfPkg/RiscVVirt/README.md index 598e4e35ac..0a799bb9cd 100644 --- a/OvmfPkg/RiscVVirt/README.md +++ b/OvmfPkg/RiscVVirt/README.md @@ -70,6 +70,11 @@ Below example shows how to boot openSUSE Tumbleweed E20. -device virtio-blk-device,drive=hd0 \
-drive file=openSUSE-Tumbleweed-RISC-V-E20-efi.riscv64.raw,format=raw,id=hd0
+ Note: the `acpi=off` machine property is specified because Linux guest
+ support for ACPI (that is, the ACPI consumer side) is a work in progress.
+ Currently, `acpi=off` is recommended unless you are developing ACPI support
+ yourself.
+
## Test with your own OpenSBI binary
Using the above QEMU command line, **RISCV_VIRT_CODE.fd** is launched by the
OpenSBI binary that is bundled with QEMU. You can build your own OpenSBI binary
|