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| author | Richard Henderson <richard.henderson@linaro.org> | 2025-10-01 15:02:42 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-10-01 15:02:42 -0700 |
| commit | 1abdde1ad42d0ebccc5e8bc574ebe805cd650102 (patch) | |
| tree | 5235492f2c75ce86b824a11dd9a41bc2560df826 /rust/hw/core/src | |
| parent | f665537f1543050cb9e756d4affff10cdf92b7ed (diff) | |
| parent | 1461752f0fa4bcd7e60d51fe47e3430f8a81cdd8 (diff) | |
| download | focaccia-qemu-1abdde1ad42d0ebccc5e8bc574ebe805cd650102.tar.gz focaccia-qemu-1abdde1ad42d0ebccc5e8bc574ebe805cd650102.zip | |
Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging
Pull request Tanish Desai and Paolo Bonzini's tracing Rust support. # -----BEGIN PGP SIGNATURE----- # # iQEzBAABCgAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmjdSSIACgkQnKSrs4Gr # c8h8hwf/RXawMzImGn3I2kTOUWAQ97+yY0UgtyO010K71gypBa2EBcPIVH0ZOsy0 # oT5pF2w7k0g83DXqupXiZO3yjSSmeGBXlOw8QS6D+FN0VpsdxrYJnvzVMqCckOrR # 6wwM+fYYfCk/LwQFvjcMDdd6BSB/wUyMuBnh+fa8X9vxRL6CgMY7RpQd7YZ9JNtL # PFQscu/K6zUARxwQ/DZTx5jYlW4rE5O4mq80CW2l1pgnyOH5vH/TySTKp0yX8eDO # 5eoF7ttieOxxt6YobFak7EfWFvFuyp1j5NlWlyWKzhce1oSOAbaXnB1I61admRb3 # 7XrsTU0RjH6kp8ki4SZEoAh/HMw+4w== # =myWt # -----END PGP SIGNATURE----- # gpg: Signature made Wed 01 Oct 2025 08:30:42 AM PDT # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [unknown] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu: tracetool/syslog: add Rust support tracetool/ftrace: add Rust support tracetool/log: add Rust support log: change qemu_loglevel to unsigned tracetool/simple: add Rust support rust: pl011: add tracepoints rust: qdev: add minimal clock bindings rust: add trace crate tracetool: Add Rust format support tracetool/backend: remove redundant trace event checks tracetool: add CHECK_TRACE_EVENT_GET_STATE trace/ftrace: move snprintf+write from tracepoints to ftrace.c tracetool: add SPDX headers treewide: remove unnessary "coding" header tracetool: remove dead code tracetool: fix usage of try_import() Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'rust/hw/core/src')
| -rw-r--r-- | rust/hw/core/src/qdev.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/rust/hw/core/src/qdev.rs b/rust/hw/core/src/qdev.rs index a4493dbf01..c3097a284d 100644 --- a/rust/hw/core/src/qdev.rs +++ b/rust/hw/core/src/qdev.rs @@ -411,6 +411,39 @@ where impl<R: ObjectDeref> DeviceMethods for R where R::Target: IsA<DeviceState> {} +impl Clock { + pub const PERIOD_1SEC: u64 = bindings::CLOCK_PERIOD_1SEC; + + pub const fn period_from_ns(ns: u64) -> u64 { + ns * Self::PERIOD_1SEC / 1_000_000_000 + } + + pub const fn period_from_hz(hz: u64) -> u64 { + if hz == 0 { + 0 + } else { + Self::PERIOD_1SEC / hz + } + } + + pub const fn period_to_hz(period: u64) -> u64 { + if period == 0 { + 0 + } else { + Self::PERIOD_1SEC / period + } + } + + pub const fn period(&self) -> u64 { + // SAFETY: Clock is returned by init_clock_in with zero value for period + unsafe { &*self.0.as_ptr() }.period + } + + pub const fn hz(&self) -> u64 { + Self::period_to_hz(self.period()) + } +} + unsafe impl ObjectType for Clock { type Class = ObjectClass; const TYPE_NAME: &'static CStr = |