A32: Implement Thumb-1 variant of SEV

src/frontend/A32/decoder/thumb16.h

@@ -89,6 +89,7 @@ std::optional<std::reference_wrapper<const Thumb16Matcher<V>>> DecodeThumb16(u16
 
         // Hint instructions
         INST(&V::thumb16_NOP,            "NOP",                      "1011111100000000"), // v6T2
+        INST(&V::thumb16_SEV,            "SEV",                      "1011111101000000"), // v7
 
         // Miscellaneous 16-bit instructions
         INST(&V::thumb16_SXTH,           "SXTH",                     "1011001000mmmddd"), // v6

src/frontend/A32/disassembler/disassembler_thumb.cpp

@@ -250,6 +250,10 @@ public:
         return "nop";
     }
 
+    std::string thumb16_SEV() {
+        return "sev";
+    }
+
     std::string thumb16_SXTH(Reg m, Reg d) {
         return fmt::format("sxth {}, {}", d, m);
     }

src/frontend/A32/translate/translate_thumb.cpp

@@ -679,6 +679,11 @@ struct ThumbTranslatorVisitor final {
         return true;
     }
 
+    // SEV<c>
+    bool thumb16_SEV() {
+        return RaiseException(Exception::SendEvent);
+    }
+
     // SXTH <Rd>, <Rm>
     // Rd cannot encode R15.
     bool thumb16_SXTH(Reg m, Reg d) {