diff options
Diffstat (limited to 'rust/qemu-macros')
| -rw-r--r-- | rust/qemu-macros/src/lib.rs | 18 | ||||
| -rw-r--r-- | rust/qemu-macros/src/tests.rs | 8 |
2 files changed, 20 insertions, 6 deletions
diff --git a/rust/qemu-macros/src/lib.rs b/rust/qemu-macros/src/lib.rs index 37e1b723bd..3e21b67b47 100644 --- a/rust/qemu-macros/src/lib.rs +++ b/rust/qemu-macros/src/lib.rs @@ -179,6 +179,7 @@ impl Parse for DevicePropertyName { #[derive(Default, Debug)] struct DeviceProperty { rename: Option<DevicePropertyName>, + bitnr: Option<syn::Expr>, defval: Option<syn::Expr>, } @@ -187,6 +188,7 @@ impl DeviceProperty { use attrs::{set, with, Attrs}; let mut parser = Attrs::new(); parser.once("rename", with::eq(set::parse(&mut self.rename))); + parser.once("bit", with::eq(set::parse(&mut self.bitnr))); parser.once("default", with::eq(set::parse(&mut self.defval))); a.parse_args_with(&mut parser) } @@ -222,7 +224,11 @@ fn derive_device_or_error(input: DeriveInput) -> Result<proc_macro2::TokenStream let mut properties_expanded = vec![]; for (field, prop) in properties { - let DeviceProperty { rename, defval } = prop; + let DeviceProperty { + rename, + bitnr, + defval, + } = prop; let field_name = field.ident.unwrap(); macro_rules! str_to_c_str { ($value:expr, $span:expr) => {{ @@ -252,14 +258,20 @@ fn derive_device_or_error(input: DeriveInput) -> Result<proc_macro2::TokenStream }, )?; let field_ty = field.ty.clone(); - let qdev_prop = quote! { <#field_ty as ::hwcore::QDevProp>::VALUE }; + let qdev_prop = if bitnr.is_none() { + quote! { <#field_ty as ::hwcore::QDevProp>::BASE_INFO } + } else { + quote! { <#field_ty as ::hwcore::QDevProp>::BIT_INFO } + }; + let bitnr = bitnr.unwrap_or(syn::Expr::Verbatim(quote! { 0 })); let set_default = defval.is_some(); let defval = defval.unwrap_or(syn::Expr::Verbatim(quote! { 0 })); properties_expanded.push(quote! { ::hwcore::bindings::Property { name: ::std::ffi::CStr::as_ptr(#prop_name), - info: #qdev_prop , + info: #qdev_prop, offset: ::core::mem::offset_of!(#name, #field_name) as isize, + bitnr: #bitnr, set_default: #set_default, defval: ::hwcore::bindings::Property__bindgen_ty_1 { u: #defval as u64 }, ..::common::Zeroable::ZERO diff --git a/rust/qemu-macros/src/tests.rs b/rust/qemu-macros/src/tests.rs index 00a106612f..ec137132ae 100644 --- a/rust/qemu-macros/src/tests.rs +++ b/rust/qemu-macros/src/tests.rs @@ -60,7 +60,7 @@ fn test_derive_device() { migrate_clock: bool, } }, - "Expected one of `default` or `rename`" + "Expected one of `bit`, `default` or `rename`" ); // Check that repeated attributes are not allowed: derive_compile_fail!( @@ -106,8 +106,9 @@ fn test_derive_device() { const PROPERTIES: &'static [::hwcore::bindings::Property] = &[ ::hwcore::bindings::Property { name: ::std::ffi::CStr::as_ptr(c"migrate_clock"), - info: <bool as ::hwcore::QDevProp>::VALUE, + info: <bool as ::hwcore::QDevProp>::BASE_INFO, offset: ::core::mem::offset_of!(DummyState, migrate_clock) as isize, + bitnr: 0, set_default: true, defval: ::hwcore::bindings::Property__bindgen_ty_1 { u: true as u64 }, ..::common::Zeroable::ZERO @@ -133,8 +134,9 @@ fn test_derive_device() { const PROPERTIES: &'static [::hwcore::bindings::Property] = &[ ::hwcore::bindings::Property { name: ::std::ffi::CStr::as_ptr(c"migrate-clk"), - info: <bool as ::hwcore::QDevProp>::VALUE, + info: <bool as ::hwcore::QDevProp>::BASE_INFO, offset: ::core::mem::offset_of!(DummyState, migrate_clock) as isize, + bitnr: 0, set_default: true, defval: ::hwcore::bindings::Property__bindgen_ty_1 { u: true as u64 }, ..::common::Zeroable::ZERO |