* scripts: dump stdin on meson-buildoptions error * rust: introduce qemu_api::cell::Opaque<> * rust: express pinning requirements for timers * rust: hpet: decode HPET registers into enums * rust: cell: add full example of declaring a SysBusDevice * rust: qom: remove operations on &mut * target/riscv: store max SATP mode as a single integer * target/riscv: declarative CPU definitions * qom: reverse order of instance_post_init calls