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authorStefan Hajnoczi <stefanha@redhat.com>2025-01-29 09:51:03 -0500
committerStefan Hajnoczi <stefanha@redhat.com>2025-01-29 09:51:03 -0500
commit871af84dd599fab68c8ed414d9ecbdb2bcfc5801 (patch)
tree508d69f0e934ceda69c18525c8871797036f2a05 /rust/hw/char/pl011/src/lib.rs
parentfb49b69bf9fd584546c7d946eaeec90941941d25 (diff)
parent3b36ee720288ba17962a17b305243ea34100e1f3 (diff)
downloadfocaccia-qemu-871af84dd599fab68c8ed414d9ecbdb2bcfc5801.tar.gz
focaccia-qemu-871af84dd599fab68c8ed414d9ecbdb2bcfc5801.zip
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* target/i386: optimize string instructions
* target/i386: new Sierra Forest and Clearwater Forest models
* rust: type-safe vmstate implementation
* rust: use interior mutability for PL011
* rust: clean ups
* memtxattrs: remove usage of bitfields from MEMTXATTRS_UNSPECIFIED
* gitlab-ci: enable Rust backtraces

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# gpg: Signature made Wed 29 Jan 2025 03:39:50 EST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (49 commits)
  gitlab-ci: include full Rust backtraces in test runs
  rust: qemu-api: add sub-subclass to the integration tests
  rust/zeroable: Implement Zeroable with const_zero macro
  rust: qdev: make reset take a shared reference
  rust: pl011: drop use of ControlFlow
  rust: pl011: pull device-specific code out of MemoryRegionOps callbacks
  rust: pl011: remove duplicate definitions
  rust: pl011: wrap registers with BqlRefCell
  rust: pl011: extract PL011Registers
  rust: pl011: pull interrupt updates out of read/write ops
  rust: pl011: extract CharBackend receive logic into a separate function
  rust: pl011: extract conversion to RegisterOffset
  rust: pl011: hide unnecessarily "pub" items from outside pl011::device
  rust: pl011: remove unnecessary "extern crate"
  rust: prefer NonNull::new to assertions
  rust: vmstate: make order of parameters consistent in vmstate_clock
  rust: vmstate: remove translation of C vmstate macros
  rust: pl011: switch vmstate to new-style macros
  rust: qemu_api: add vmstate_struct
  rust: vmstate: add public utility macros to implement VMState
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'rust/hw/char/pl011/src/lib.rs')
-rw-r--r--rust/hw/char/pl011/src/lib.rs69
1 files changed, 29 insertions, 40 deletions
diff --git a/rust/hw/char/pl011/src/lib.rs b/rust/hw/char/pl011/src/lib.rs
index 0a89d393e0..e2df4586bc 100644
--- a/rust/hw/char/pl011/src/lib.rs
+++ b/rust/hw/char/pl011/src/lib.rs
@@ -25,15 +25,13 @@
 #![allow(clippy::upper_case_acronyms)]
 #![allow(clippy::result_unit_err)]
 
-extern crate bilge;
-extern crate bilge_impl;
-extern crate qemu_api;
-
 use qemu_api::c_str;
 
-pub mod device;
-pub mod device_class;
-pub mod memory_ops;
+mod device;
+mod device_class;
+mod memory_ops;
+
+pub use device::pl011_create;
 
 pub const TYPE_PL011: &::std::ffi::CStr = c_str!("pl011");
 pub const TYPE_PL011_LUMINARY: &::std::ffi::CStr = c_str!("pl011_luminary");
@@ -45,8 +43,8 @@ pub const TYPE_PL011_LUMINARY: &::std::ffi::CStr = c_str!("pl011_luminary");
 #[doc(alias = "offset")]
 #[allow(non_camel_case_types)]
 #[repr(u64)]
-#[derive(Debug, qemu_api_macros::TryInto)]
-pub enum RegisterOffset {
+#[derive(Debug, Eq, PartialEq, qemu_api_macros::TryInto)]
+enum RegisterOffset {
     /// Data Register
     ///
     /// A write to this register initiates the actual data transmission
@@ -102,10 +100,11 @@ pub enum RegisterOffset {
     //Reserved = 0x04C,
 }
 
-pub mod registers {
+mod registers {
     //! Device registers exposed as typed structs which are backed by arbitrary
     //! integer bitmaps. [`Data`], [`Control`], [`LineControl`], etc.
     use bilge::prelude::*;
+    use qemu_api::impl_vmstate_bitsized;
 
     /// Receive Status Register / Data Register common error bits
     ///
@@ -172,6 +171,7 @@ pub mod registers {
         pub errors: Errors,
         _reserved: u16,
     }
+    impl_vmstate_bitsized!(Data);
 
     impl Data {
         // bilge is not very const-friendly, unfortunately
@@ -208,6 +208,7 @@ pub mod registers {
         pub errors: Errors,
         _reserved_unpredictable: u24,
     }
+    impl_vmstate_bitsized!(ReceiveStatusErrorClear);
 
     impl ReceiveStatusErrorClear {
         pub fn set_from_data(&mut self, data: Data) {
@@ -280,6 +281,7 @@ pub mod registers {
         pub ring_indicator: bool,
         _reserved_zero_no_modify: u23,
     }
+    impl_vmstate_bitsized!(Flags);
 
     impl Flags {
         pub fn reset(&mut self) {
@@ -354,6 +356,7 @@ pub mod registers {
         /// 31:8 - Reserved, do not modify, read as zero.
         _reserved_zero_no_modify: u24,
     }
+    impl_vmstate_bitsized!(LineControl);
 
     impl LineControl {
         pub fn reset(&mut self) {
@@ -498,6 +501,7 @@ pub mod registers {
         /// 31:16 - Reserved, do not modify, read as zero.
         _reserved_zero_no_modify2: u16,
     }
+    impl_vmstate_bitsized!(Control);
 
     impl Control {
         pub fn reset(&mut self) {
@@ -516,38 +520,23 @@ pub mod registers {
     }
 
     /// Interrupt status bits in UARTRIS, UARTMIS, UARTIMSC
-    pub const INT_OE: u32 = 1 << 10;
-    pub const INT_BE: u32 = 1 << 9;
-    pub const INT_PE: u32 = 1 << 8;
-    pub const INT_FE: u32 = 1 << 7;
-    pub const INT_RT: u32 = 1 << 6;
-    pub const INT_TX: u32 = 1 << 5;
-    pub const INT_RX: u32 = 1 << 4;
-    pub const INT_DSR: u32 = 1 << 3;
-    pub const INT_DCD: u32 = 1 << 2;
-    pub const INT_CTS: u32 = 1 << 1;
-    pub const INT_RI: u32 = 1 << 0;
-    pub const INT_E: u32 = INT_OE | INT_BE | INT_PE | INT_FE;
-    pub const INT_MS: u32 = INT_RI | INT_DSR | INT_DCD | INT_CTS;
-
-    #[repr(u32)]
-    pub enum Interrupt {
-        OE = 1 << 10,
-        BE = 1 << 9,
-        PE = 1 << 8,
-        FE = 1 << 7,
-        RT = 1 << 6,
-        TX = 1 << 5,
-        RX = 1 << 4,
-        DSR = 1 << 3,
-        DCD = 1 << 2,
-        CTS = 1 << 1,
-        RI = 1 << 0,
-    }
+    pub struct Interrupt(pub u32);
 
     impl Interrupt {
-        pub const E: u32 = INT_OE | INT_BE | INT_PE | INT_FE;
-        pub const MS: u32 = INT_RI | INT_DSR | INT_DCD | INT_CTS;
+        pub const OE: Self = Self(1 << 10);
+        pub const BE: Self = Self(1 << 9);
+        pub const PE: Self = Self(1 << 8);
+        pub const FE: Self = Self(1 << 7);
+        pub const RT: Self = Self(1 << 6);
+        pub const TX: Self = Self(1 << 5);
+        pub const RX: Self = Self(1 << 4);
+        pub const DSR: Self = Self(1 << 3);
+        pub const DCD: Self = Self(1 << 2);
+        pub const CTS: Self = Self(1 << 1);
+        pub const RI: Self = Self(1 << 0);
+
+        pub const E: Self = Self(Self::OE.0 | Self::BE.0 | Self::PE.0 | Self::FE.0);
+        pub const MS: Self = Self(Self::RI.0 | Self::DSR.0 | Self::DCD.0 | Self::CTS.0);
     }
 }