Merge pull request #81 from chenzongyao200127/main

spec: Add func ids for SSE extension in SBI implementation

sbi-spec/CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 
 - pmu: add config flags with bitflags in chapter 11
 - fwft: add support for FWFT extension in chapter 18
+- sse: add support for Supervisor Software Events Extension in chapter 17
 
 ### Modified
 

sbi-spec/src/lib.rs

@@ -46,6 +46,8 @@ pub mod cppc;
 pub mod nacl;
 // §16
 pub mod sta;
+// §17
+pub mod sse;
 // §18
 pub mod fwft;
 /// Converts SBI EID from str.
@@ -336,6 +338,22 @@ mod tests {
         const_assert_eq!(0x535441, EID_STA);
         const_assert_eq!(0, SET_SHMEM);
     }
+    // §17
+    #[test]
+    fn test_sse() {
+        use crate::sse::*;
+        const_assert_eq!(0x535345, EID_SSE);
+        const_assert_eq!(0, READ_ATTRS);
+        const_assert_eq!(1, WRITE_ATTRS);
+        const_assert_eq!(2, REGISTER);
+        const_assert_eq!(3, UNREGISTER);
+        const_assert_eq!(4, ENABLE);
+        const_assert_eq!(5, DISABLE);
+        const_assert_eq!(6, COMPLETE);
+        const_assert_eq!(7, INJECT);
+        const_assert_eq!(8, HART_UNMASK);
+        const_assert_eq!(9, HART_MASK);
+    }
     // §18
     #[test]
     fn test_fwft() {

sbi-spec/src/sse.rs

@@ -0,0 +1,49 @@
+//! Chapter 17. Supervisor Software Events Extension (EID #0x535345 "SSE").
+
+/// Extension ID for Supervisor Software Events Extension.
+pub const EID_SSE: usize = crate::eid_from_str("SSE") as _;
+pub use fid::*;
+
+/// Declared in Table 90 at §17.17.
+mod fid {
+    /// Function ID to read software event attributes.
+    ///
+    /// Declared in §17.7
+    pub const READ_ATTRS: usize = 0;
+    /// Function ID to write software event attributes.
+    ///
+    /// Declared in §17.8
+    pub const WRITE_ATTRS: usize = 1;
+    /// Function ID to register a software event.
+    ///
+    /// Declared in §17.9.
+    pub const REGISTER: usize = 2;
+    /// Function ID to unregister a software event.
+    ///
+    /// Declared in §17.10.
+    pub const UNREGISTER: usize = 3;
+    /// Function ID to enable a software event.
+    ///
+    /// Declared in §17.11.
+    pub const ENABLE: usize = 4;
+    /// Function ID to disable a software event.
+    ///
+    /// Declared in §17.12.
+    pub const DISABLE: usize = 5;
+    /// Function ID to complete software event handling.
+    ///
+    /// Declared in §17.13.
+    pub const COMPLETE: usize = 6;
+    /// Function ID to inject a software event.
+    ///
+    /// Declared in §17.14.
+    pub const INJECT: usize = 7;
+    /// Function ID to unmask software events on the calling hart.
+    ///
+    /// Declared in §17.15.
+    pub const HART_UNMASK: usize = 8;
+    /// Function ID to mask software events on the calling hart.
+    ///
+    /// Declared in §17.16.
+    pub const HART_MASK: usize = 9;
+}