From 9d82517dea100d94fd8d0d5326ca5db7b5a1e595 Mon Sep 17 00:00:00 2001
From: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Date: Sun, 17 Feb 2019 21:15:53 +0100
Subject: Pass arithmetic exception trough pipeline and implement trap support
 and instructions.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
---
 qtmips_machine/machinedefs.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'qtmips_machine/machinedefs.h')

diff --git a/qtmips_machine/machinedefs.h b/qtmips_machine/machinedefs.h
index 8481540..bad585f 100644
--- a/qtmips_machine/machinedefs.h
+++ b/qtmips_machine/machinedefs.h
@@ -62,6 +62,8 @@ enum ExceptionCause {
     EXCAUSE_BREAK,
     EXCAUSE_SYSCALL,
     EXCAUSE_HWBREAK,
+    EXCAUSE_TRAP,
+    EXCAUSE_OVERFLOW,
 };
 
 enum AluOp : std::uint8_t {
@@ -97,6 +99,12 @@ enum AluOp : std::uint8_t {
     ALU_OP_MADDU,
     ALU_OP_MSUB,
     ALU_OP_MSUBU,
+    ALU_OP_TGE,
+    ALU_OP_TGEU,
+    ALU_OP_TLT,
+    ALU_OP_TLTU,
+    ALU_OP_TEQ,
+    ALU_OP_TNE,
     ALU_OP_LUI,
     ALU_OP_BSHFL,
     ALU_OP_EXT,
-- 
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