From 9935f3aa28f35fc9a604a87259fdc7934b394054 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Fri, 3 May 2019 11:00:03 -0400
Subject: [PATCH] A32: Implement Thumb-1 variant of SEVL

While we're at it, also add the Thumb-2 encoding to the encoding table
to make sure it isn't forgotten about in the future.
---
 src/frontend/A32/decoder/thumb16.h                   | 1 +
 src/frontend/A32/decoder/thumb32.h                   | 1 +
 src/frontend/A32/disassembler/disassembler_thumb.cpp | 4 ++++
 src/frontend/A32/translate/translate_thumb.cpp       | 5 +++++
 4 files changed, 11 insertions(+)

diff --git a/src/frontend/A32/decoder/thumb16.h b/src/frontend/A32/decoder/thumb16.h
index cdc6834e..e93a7556 100644
--- a/src/frontend/A32/decoder/thumb16.h
+++ b/src/frontend/A32/decoder/thumb16.h
@@ -90,6 +90,7 @@ 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
+        INST(&V::thumb16_SEVL,           "SEVL",                     "1011111101010000"), // v8
         INST(&V::thumb16_WFE,            "WFE",                      "1011111100100000"), // v7
         INST(&V::thumb16_WFI,            "WFI",                      "1011111100110000"), // v7
         INST(&V::thumb16_YIELD,          "YIELD",                    "1011111100010000"), // v7
diff --git a/src/frontend/A32/decoder/thumb32.h b/src/frontend/A32/decoder/thumb32.h
index 88fc2be6..55f6d2bb 100644
--- a/src/frontend/A32/decoder/thumb32.h
+++ b/src/frontend/A32/decoder/thumb32.h
@@ -127,6 +127,7 @@ std::optional<std::reference_wrapper<const Thumb32Matcher<V>>> DecodeThumb32(u32
         //INST(&V::thumb32_WFE,            "WFE",                      "111100111010----10-0-00000000010"),
         //INST(&V::thumb32_WFI,            "WFI",                      "111100111010----10-0-00000000011"),
         //INST(&V::thumb32_SEV,            "SEV",                      "111100111010----10-0-00000000100"),
+        //INST(&V::thumb32_SEVL,           "SEVL",                     "111100111010----10-0-00000000101"),
         //INST(&V::thumb32_DBG,            "DBG",                      "111100111010----10-0-0001111----"),
         //INST(&V::thumb32_CPS,            "CPS",                      "111100111010----10-0------------"),
 
diff --git a/src/frontend/A32/disassembler/disassembler_thumb.cpp b/src/frontend/A32/disassembler/disassembler_thumb.cpp
index a496abc2..a53475db 100644
--- a/src/frontend/A32/disassembler/disassembler_thumb.cpp
+++ b/src/frontend/A32/disassembler/disassembler_thumb.cpp
@@ -254,6 +254,10 @@ public:
         return "sev";
     }
 
+    std::string thumb16_SEVL() {
+        return "sevl";
+    }
+
     std::string thumb16_WFE() {
         return "wfe";
     }
diff --git a/src/frontend/A32/translate/translate_thumb.cpp b/src/frontend/A32/translate/translate_thumb.cpp
index 9ecadbfa..fae7ccf5 100644
--- a/src/frontend/A32/translate/translate_thumb.cpp
+++ b/src/frontend/A32/translate/translate_thumb.cpp
@@ -684,6 +684,11 @@ struct ThumbTranslatorVisitor final {
         return RaiseException(Exception::SendEvent);
     }
 
+    // SEVL<c>
+    bool thumb16_SEVL() {
+        return RaiseException(Exception::SendEventLocal);
+    }
+
     // WFE<c>
     bool thumb16_WFE() {
         return RaiseException(Exception::WaitForEvent);