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vmm, devices: Add firmware debug port device

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OVMF and other standard firmwares use I/O port 0x402 as a simple debug
port by writing ASCII characters to it. This is gated under a feature
that is not enabled by default.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2020-04-17 10:39:28 +01:00
committed by Sebastien Boeuf
parent 82d0cdff4f
commit e7e0e8ac38
6 changed files with 59 additions and 0 deletions
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devices/Cargo.toml
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@@ -26,3 +26,4 @@ tempfile = "3.1.0"
default = []
acpi = ["acpi_tables"]
cmos = []
fwdebug = []