From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 8 Apr 2018 12:35:09 +0000 (+0100)
Subject: add exceptions
X-Git-Tag: convert-csv-opcode-to-binary~5720
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ad8270578da5677f871757443af1436a86a45180;p=libreriscv.git

add exceptions
---

diff --git a/simple_v_extension.mdwn b/simple_v_extension.mdwn
index 634d205e9..cdb49c879 100644
--- a/simple_v_extension.mdwn
+++ b/simple_v_extension.mdwn
@@ -702,6 +702,12 @@ translates effectively to:
 * if the destination operand is also a vector, and the source is longer
   than the destination, throw an exception.
 
+> And what about instructions like JALR? 
+> What does jumping to a vector do? 
+
+* Throw an exception.  Whether that actually results in spawning threads
+  as part of the trap-handling remains to be seen.
+
 # Impementing V on top of Simple-V
 
 * Number of Offset CSRs extends from 2