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| -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 dbb40bbe89..598e4e35ac 100644 --- a/OvmfPkg/RiscVVirt/README.md +++ b/OvmfPkg/RiscVVirt/README.md @@ -86,3 +86,8 @@ then specify that binary for QEMU, with the following additional command line option:
-bios $OPENSBI_DIR/build/platform/generic/firmware/fw_dynamic.bin
+
+Note that the above only makes a difference with software emulation (which you
+can force with `-M accel=tcg`). With hardware virtualization (`-M accel=kvm`),
+KVM services the SBI (Supervisor Binary Interface) calls internally, therefore
+any OpenSBI binary specified with `-bios` is rejected.
|