gnu: Add qtrvsim.

* gnu/packages/emulators.scm (qtrvsim): New variable.

Change-Id: I8e51184534fa9990c318008513e1e6566a04b10a
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>

gnu/packages/emulators.scm

@@ -20,6 +20,7 @@
 ;;; Copyright © 2023 c4droid <c4droid@foxmail.com>
 ;;; Copyright © 2023 Yovan Naumovski <yovan@gorski.stream>
 ;;; Copyright © 2023 Hendursaga <hendursaga@aol.com>
+;;; Copyright © 2023 Zheng Junjie <873216071@qq.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -111,7 +112,8 @@
   #:use-module (guix build-system glib-or-gtk)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system meson)
-  #:use-module (guix build-system python))
+  #:use-module (guix build-system python)
+  #:use-module (guix build-system qt))
 
 (define-public vice
   (package
@@ -2492,6 +2494,29 @@ on a Commodore C64, C128 etc.")
     ;; zlib license with an (non-)advertising clause.
     (license license:zlib)))
 
+(define-public qtrvsim
+  (package
+    (name "qtrvsim")
+    (version "0.9.5")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/cvut/qtrvsim")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1zi39q8ajkzl8d47sacj0dk1a2n5jmfgr29x9iby59v792g7p8ac"))
+              (modules '((guix build utils)))
+              (snippet #~(begin (delete-file-recursively "external/libelf")))))
+    (build-system qt-build-system)
+    (inputs (list libelf qtbase-5))
+    (home-page "https://github.com/cvut/qtrvsim")
+    (synopsis "RISC-V CPU simulator for education purposes")
+    (description "RISC-V CPU simulator for education purposes with pipeline and
+cache visualization.  Developed at FEE CTU for computer architecture classes.")
+    (license license:gpl3+)))
+
 (define-public cc65
   (package
     (name "cc65")