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Implement QOM & QAPI support for HPET device.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250210030051.2562726-10-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add the HPETTimer and HPETState (HPET timer block), along with their
basic methods and register definitions.
This is in preparation for supporting the QAPI interfaces.
Note, wrap all items in HPETState that may be changed in the callback
called by C code into the BqlCell/BqlRefCell.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250210030051.2562726-9-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Define HPETFwEntry structure with the same memory layout as
hpet_fw_entry in C.
Further, define the global hpet_cfg variable in Rust which is the
same as the C version. This hpet_cfg variable in Rust will replace
the C version one and allows both Rust code and C code to access it.
The Rust version of hpet_cfg is self-contained, avoiding unsafe
access to C code.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250210030051.2562726-8-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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