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authorPaolo Bonzini <pbonzini@redhat.com>2024-10-31 11:29:42 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2024-12-10 18:49:26 +0100
commit4ed4da164c957a4475b9d075206f33113a69abda (patch)
tree422379579b3179a096457c5f432cba4bffbd7d06 /rust/qemu-api/meson.build
parent28d0ad3d425a956a1257256c46ef44581f6678c5 (diff)
downloadfocaccia-qemu-4ed4da164c957a4475b9d075206f33113a69abda.tar.gz
focaccia-qemu-4ed4da164c957a4475b9d075206f33113a69abda.zip
rust: add bindings for interrupt sources
The InterruptSource bindings let us call qemu_set_irq() and sysbus_init_irq()
as safe code.

Interrupt sources, qemu_irq in C code, are pointers to IRQState objects.
They are QOM link properties and can be written to outside the control
of the device (i.e. from a shared reference); therefore they must be
interior-mutable in Rust.  Since thread-safety is provided by the BQL,
what we want here is the newly-introduced BqlCell.  A pointer to the
contents of the BqlCell (an IRQState**, or equivalently qemu_irq*)
is then passed to the C sysbus_init_irq function.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'rust/qemu-api/meson.build')
-rw-r--r--rust/qemu-api/meson.build2
1 files changed, 2 insertions, 0 deletions
diff --git a/rust/qemu-api/meson.build b/rust/qemu-api/meson.build
index f8b4cd39a2..b927eb58c8 100644
--- a/rust/qemu-api/meson.build
+++ b/rust/qemu-api/meson.build
@@ -20,8 +20,10 @@ _qemu_api_rs = static_library(
       'src/c_str.rs',
       'src/definitions.rs',
       'src/device_class.rs',
+      'src/irq.rs',
       'src/offset_of.rs',
       'src/prelude.rs',
+      'src/sysbus.rs',
       'src/vmstate.rs',
       'src/zeroable.rs',
     ],