;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016, 2017 Theodoros Foradis <theodoros@foradis.org>
;;; Copyright © 2016 David Craven <david@craven.ch>
;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages embedded)
  #:use-module (guix utils)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix svn-download)
  #:use-module (guix git-download)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system trivial)
  #:use-module (guix build utils)
  #:use-module (gnu packages)
  #:use-module (gnu packages autotools)
  #:use-module ((gnu packages base) #:prefix base:)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages cross-base)
  #:use-module (gnu packages dejagnu)
  #:use-module (gnu packages flex)
  #:use-module (gnu packages gcc)
  #:use-module (gnu packages gdb)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages libftdi)
  #:use-module (gnu packages libusb)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages swig)
  #:use-module (gnu packages texinfo)
  #:use-module (gnu packages xorg)
  #:use-module (srfi srfi-1))

;; We must not use the released GCC sources here, because the cross-compiler
;; does not produce working binaries.  Instead we take the very same SVN
;; revision from the branch that is used for a release of the "GCC ARM
;; embedded" project on launchpad.
;; See https://launchpadlibrarian.net/218827644/release.txt
(define-public gcc-arm-none-eabi-4.9
  (let ((xgcc (cross-gcc "arm-none-eabi"
                         #:xgcc gcc-4.9
                         #:xbinutils (cross-binutils "arm-none-eabi")))
        (revision "1")
        (svn-revision 227977))
    (package (inherit xgcc)
      (version (string-append (package-version xgcc) "-"
                              revision "." (number->string svn-revision)))
      (source
       (origin
         (method svn-fetch)
         (uri (svn-reference
               (url "svn://gcc.gnu.org/svn/gcc/branches/ARM/embedded-4_9-branch/")
               (revision svn-revision)))
         (file-name (string-append "gcc-arm-embedded-" version "-checkout"))
         (sha256
          (base32
           "113r98kygy8rrjfv2pd3z6zlfzbj543pq7xyq8bgh72c608mmsbr"))

         ;; Remove the one patch that doesn't apply to this 4.9 snapshot (the
         ;; patch is for 4.9.4 and later but this svn snapshot is older).
         (patches (remove (lambda (patch)
                            (string=? (basename patch)
                                      "gcc-arm-bug-71399.patch"))
                          (origin-patches (package-source xgcc))))))
      (native-inputs
       `(("flex" ,flex)
         ,@(package-native-inputs xgcc)))
      (arguments
       (substitute-keyword-arguments (package-arguments xgcc)
         ((#:phases phases)
          `(modify-phases ,phases
             (add-after 'unpack 'fix-genmultilib
               (lambda _
                 (substitute* "gcc/genmultilib"
                   (("#!/bin/sh") (string-append "#!" (which "sh"))))
                 #t))))
         ((#:configure-flags flags)
          ;; The configure flags are largely identical to the flags used by the
          ;; "GCC ARM embedded" project.
          `(append (list "--enable-multilib"
                         "--with-newlib"
                         "--with-multilib-list=armv6-m,armv7-m,armv7e-m"
                         "--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm"
                         "--enable-plugins"
                         "--disable-decimal-float"
                         "--disable-libffi"
                         "--disable-libgomp"
                         "--disable-libmudflap"
                         "--disable-libquadmath"
                         "--disable-libssp"
                         "--disable-libstdcxx-pch"
                         "--disable-nls"
                         "--disable-shared"
                         "--disable-threads"
                         "--disable-tls")
                   (delete "--disable-multilib" ,flags)))))
      (native-search-paths
       (list (search-path-specification
              (variable "CROSS_C_INCLUDE_PATH")
              (files '("arm-none-eabi/include")))
             (search-path-specification
              (variable "CROSS_CPLUS_INCLUDE_PATH")
              (files '("arm-none-eabi/include")))
             (search-path-specification
              (variable "CROSS_LIBRARY_PATH")
              (files '("arm-none-eabi/lib"))))))))

(define-public gcc-arm-none-eabi-6
  (package
    (inherit gcc-arm-none-eabi-4.9)
    (version (package-version gcc-6))
    (source (origin (inherit (package-source gcc-6))
                    (patches
                     (append
                      (origin-patches (package-source gcc-6))
                      (search-patches "gcc-6-cross-environment-variables.patch"
                                      "gcc-6-arm-none-eabi-multilib.patch")))))))

(define-public newlib-arm-none-eabi
  (package
    (name "newlib")
    (version "2.4.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "ftp://sourceware.org/pub/newlib/newlib-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "01i7qllwicf05vsvh39qj7qp5fdifpvvky0x95hjq39mbqiksnsl"))))
    (build-system gnu-build-system)
    (arguments
     `(#:out-of-source? #t
       ;; The configure flags are identical to the flags used by the "GCC ARM
       ;; embedded" project.
       #:configure-flags '("--target=arm-none-eabi"
                           "--enable-newlib-io-long-long"
                           "--enable-newlib-register-fini"
                           "--disable-newlib-supplied-syscalls"
                           "--disable-nls")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-references-to-/bin/sh
           (lambda _
             (substitute* '("libgloss/arm/cpu-init/Makefile.in"
                            "libgloss/arm/Makefile.in"
                            "libgloss/libnosys/Makefile.in"
                            "libgloss/Makefile.in")
               (("/bin/sh") (which "sh")))
             #t)))))
    (native-inputs
     `(("xbinutils" ,(cross-binutils "arm-none-eabi"))
       ("xgcc" ,gcc-arm-none-eabi-4.9)
       ("texinfo" ,texinfo)))
    (home-page "http://www.sourceware.org/newlib/")
    (synopsis "C library for use on embedded systems")
    (description "Newlib is a C library intended for use on embedded
systems.  It is a conglomeration of several library parts that are easily
usable on embedded products.")
    (license (license:non-copyleft
              "https://www.sourceware.org/newlib/COPYING.NEWLIB"))))

(define-public newlib-nano-arm-none-eabi
  (package (inherit newlib-arm-none-eabi)
    (name "newlib-nano")
    (arguments
     (substitute-keyword-arguments (package-arguments newlib-arm-none-eabi)
       ;; The configure flags are identical to the flags used by the "GCC ARM
       ;; embedded" project.  They optimize newlib for use on small embedded
       ;; systems with limited memory.
       ((#:configure-flags flags)
        ''("--target=arm-none-eabi"
           "--enable-multilib"
           "--disable-newlib-supplied-syscalls"
           "--enable-newlib-reent-small"
           "--disable-newlib-fvwrite-in-streamio"
           "--disable-newlib-fseek-optimization"
           "--disable-newlib-wide-orient"
           "--enable-newlib-nano-malloc"
           "--disable-newlib-unbuf-stream-opt"
           "--enable-lite-exit"
           "--enable-newlib-global-atexit"
           "--enable-newlib-nano-formatted-io"
           "--disable-nls"))))
    (synopsis "Newlib variant for small systems with limited memory")))

(define (make-libstdc++-arm-none-eabi xgcc newlib)
  (let ((libstdc++ (make-libstdc++ xgcc)))
    (package (inherit libstdc++)
      (name "libstdc++-arm-none-eabi")
      (arguments
       (substitute-keyword-arguments (package-arguments libstdc++)
         ((#:configure-flags flags)
          ``("--target=arm-none-eabi"
             "--host=arm-none-eabi"
             "--disable-libstdcxx-pch"
             "--enable-multilib"
             "--with-multilib-list=armv6-m,armv7-m,armv7e-m"
             "--disable-shared"
             "--disable-tls"
             "--disable-plugin"
             "--with-newlib"
             ,(string-append "--with-gxx-include-dir="
                             (assoc-ref %outputs "out")
                             "/arm-none-eabi/include")))))
      (native-inputs
       `(("newlib" ,newlib)
         ("xgcc" ,xgcc)
         ,@(package-native-inputs libstdc++))))))

(define (arm-none-eabi-toolchain xgcc newlib)
  "Produce a cross-compiler toolchain package with the compiler XGCC and the C
library variant NEWLIB."
  (let ((newlib-with-xgcc (package (inherit newlib)
                            (native-inputs
                             (alist-replace "xgcc" (list xgcc)
                                            (package-native-inputs newlib))))))
    (package
      (name (string-append "arm-none-eabi"
                           (if (string=? (package-name newlib-with-xgcc)
                                         "newlib-nano")
                               "-nano" "")
                           "-toolchain"))
      (version (package-version xgcc))
      (source #f)
      (build-system trivial-build-system)
      (arguments
       '(#:modules ((guix build union))
         #:builder
         (begin
           (use-modules (ice-9 match)
                        (guix build union))
           (match %build-inputs
             (((names . directories) ...)
              (union-build (assoc-ref %outputs "out")
                           directories)
              #t)))))
      (propagated-inputs
       `(("binutils" ,(cross-binutils "arm-none-eabi"))
         ("libstdc++" ,(make-libstdc++-arm-none-eabi xgcc newlib-with-xgcc))
         ("gcc" ,xgcc)
         ("newlib" ,newlib-with-xgcc)))
      (synopsis "Complete GCC tool chain for ARM bare metal development")
      (description "This package provides a complete GCC tool chain for ARM
bare metal development.  This includes the GCC arm-none-eabi cross compiler
and newlib (or newlib-nano) as the C library.  The supported programming
languages are C and C++.")
      (home-page (package-home-page xgcc))
      (license (package-license xgcc)))))

(define-public arm-none-eabi-toolchain-4.9
  (arm-none-eabi-toolchain gcc-arm-none-eabi-4.9
                           newlib-arm-none-eabi))

(define-public arm-none-eabi-nano-toolchain-4.9
  (arm-none-eabi-toolchain gcc-arm-none-eabi-4.9
                           newlib-nano-arm-none-eabi))

(define-public arm-none-eabi-toolchain-6
  (arm-none-eabi-toolchain gcc-arm-none-eabi-6
                           newlib-arm-none-eabi))

(define-public arm-none-eabi-nano-toolchain-6
  (arm-none-eabi-toolchain gcc-arm-none-eabi-6
                           newlib-nano-arm-none-eabi))

(define-public gdb-arm-none-eabi
  (package
    (inherit gdb)
    (name "gdb-arm-none-eabi")
    (arguments
     `(#:configure-flags '("--target=arm-none-eabi"
                           "--enable-multilib"
                           "--enable-interwork"
                           "--enable-languages=c,c++"
                           "--disable-nls")
     ,@(package-arguments gdb)))))

(define-public libjaylink
  ;; No release tarballs available.
  (let ((commit "699b7001d34a79c8e7064503dde1bede786fd7f0")
        (revision "2"))
    (package
      (name "libjaylink")
      (version (string-append "0.1.0-" revision "."
                              (string-take commit 7)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://git.zapb.de/libjaylink.git")
                      (commit commit)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "034872d44myycnzn67v5b8ixrgmg8sk32aqalvm5x7108w2byww1"))))
      (build-system gnu-build-system)
      (native-inputs
       `(("autoconf" ,autoconf)
         ("automake" ,automake)
         ("libtool" ,libtool)
         ("pkg-config" ,pkg-config)))
      (inputs
       `(("libusb" ,libusb)))
      (home-page "http://repo.or.cz/w/libjaylink.git")
      (synopsis "Library to interface Segger J-Link devices")
      (description "libjaylink is a shared library written in C to access
SEGGER J-Link and compatible devices.")
      (license license:gpl2+))))

(define-public jimtcl
  (package
    (name "jimtcl")
    (version "0.77")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/msteveb/jimtcl"
                    "/archive/" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "1cmk3qscqckg70chjyimzxa2qcka4qac0j4wq908kiijp45cax08"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         ;; Doesn't use autoconf.
         (replace 'configure
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out")))
               (zero? (system* "./configure"
                               (string-append "--prefix=" out)))))))))
    (home-page "http://jim.tcl.tk")
    (synopsis "Small footprint Tcl implementation")
    (description "Jim is a small footprint implementation of the Tcl programming
language.")
    (license license:bsd-2)))

(define-public openocd
  (package
    (name "openocd")
    (version "0.10.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/openocd/openocd/"
                                  version "/openocd-" version ".tar.gz"))
              (sha256
               (base32
                "09p57y3c2spqx4vjjlz1ljm1lcd0j9q8g76ywxqgn3yc34wv18zd"))
              ;; FIXME: Remove after nrf52 patch is merged.
              (patches
               (search-patches "openocd-nrf52.patch"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("libtool" ,libtool)
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("hidapi" ,hidapi)
       ("jimtcl" ,jimtcl)
       ("libftdi" ,libftdi)
       ("libjaylink" ,libjaylink)
       ("libusb-compat" ,libusb-compat)))
    (arguments
     '(#:configure-flags
       (append (list "--disable-werror"
                     "--enable-sysfsgpio"
                     "--disable-internal-jimtcl"
                     "--disable-internal-libjaylink")
               (map (lambda (programmer)
                      (string-append "--enable-" programmer))
                    '("amtjtagaccel" "armjtagew" "buspirate" "ftdi"
                      "gw16012" "jlink" "opendous" "osbdm"
                      "parport" "aice" "cmsis-dap" "dummy" "jtag_vpi"
                      "remote-bitbang" "rlink" "stlink" "ti-icdi" "ulink"
                      "usbprog" "vsllink" "usb-blaster-2" "usb_blaster"
                      "presto" "openjtag")))
       #:phases
       (modify-phases %standard-phases
         ;; Required because of patched sources.
         (add-before 'configure 'autoreconf
           (lambda _ (invoke "autoreconf" "-vfi") #t))
         (add-after 'autoreconf 'change-udev-group
           (lambda _
             (substitute* "contrib/60-openocd.rules"
               (("plugdev") "dialout"))
             #t))
         (add-after 'install 'install-udev-rules
           (lambda* (#:key outputs #:allow-other-keys)
             (install-file "contrib/60-openocd.rules"
                           (string-append
                            (assoc-ref outputs "out")
                            "/lib/udev/rules.d/"))
             #t)))))
    (home-page "http://openocd.org")
    (synopsis "On-Chip Debugger")
    (description "OpenOCD provides on-chip programming and debugging support
with a layered architecture of JTAG interface and TAP support.")
    (license license:gpl2+)))

;; The commits for all propeller tools are the stable versions published at
;; https://github.com/propellerinc/propgcc in the release_1_0.  According to
;; personal correspondence with the developers in July 2017, more recent
;; versions are currently incompatible with the "Simple Libraries".

(define propeller-binutils
  (let ((xbinutils (cross-binutils "propeller-elf"))
        (commit "4c46ecbe79ffbecd2ce918497ace5b956736b5a3")
        (revision "2"))
    (package
      (inherit xbinutils)
      (name "propeller-binutils")
      (version (string-append "0.0.0-" revision "." (string-take commit 9)))
      (source (origin (inherit (package-source xbinutils))
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/parallaxinc/propgcc.git")
                      (commit commit)))
                (file-name (string-append name "-" commit "-checkout"))
                (sha256
                 (base32
                  "0w0dff3s7wv2d9m78a4jhckiik58q38wx6wpbba5hzbs4yxz35ck"))
                (patch-flags (list "-p1" "--directory=binutils"))))
      (arguments
       `(;; FIXME: For some reason there are many test failures.  It's not
         ;; obvious how to fix the failures.
         #:tests? #f
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'chdir
             (lambda _ (chdir "binutils") #t)))
         ,@(substitute-keyword-arguments (package-arguments xbinutils)
            ((#:configure-flags flags)
             `(cons "--disable-werror" ,flags)))))
      (native-inputs
       `(("bison" ,bison)
         ("flex" ,flex)
         ("texinfo" ,texinfo)
         ("dejagnu" ,dejagnu)
         ,@(package-native-inputs xbinutils))))))

(define-public propeller-gcc-6
  (let ((xgcc (cross-gcc "propeller-elf"
                         #:xbinutils propeller-binutils))
        (commit "b4f45a4725e0b6d0af59e594c4e3e35ca4105867")
        (revision "1"))
    (package (inherit xgcc)
      (name "propeller-gcc")
      (version (string-append "6.0.0-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/totalspectrum/gcc-propeller.git")
                      (commit commit)))
                (file-name (string-append name "-" commit "-checkout"))
                (sha256
                 (base32
                  "0d9kdxm2fzanjqa7q5850kzbsfl0fqyaahxn74h6nkxxacwa11zb"))
                (patches
                 (append
                  (origin-patches (package-source gcc-6))
                  (search-patches "gcc-cross-environment-variables.patch")))))
      (native-inputs
       `(("flex" ,flex)
         ,@(package-native-inputs xgcc)))
      ;; All headers and cross libraries of the propeller toolchain are
      ;; installed under the "propeller-elf" prefix.
      (native-search-paths
       (list (search-path-specification
              (variable "CROSS_C_INCLUDE_PATH")
              (files '("propeller-elf/include")))
             (search-path-specification
              (variable "CROSS_LIBRARY_PATH")
              (files '("propeller-elf/lib")))))
      (home-page "https://github.com/totalspectrum/gcc-propeller")
      (synopsis "GCC for the Parallax Propeller"))))

(define-public propeller-gcc-4
  (let ((xgcc propeller-gcc-6)
        (commit "4c46ecbe79ffbecd2ce918497ace5b956736b5a3")
        (revision "2"))
    (package (inherit xgcc)
      (name "propeller-gcc")
      (version (string-append "4.6.1-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/parallaxinc/propgcc.git")
                      (commit commit)))
                (file-name (string-append name "-" commit "-checkout"))
                (sha256
                 (base32
                  "0w0dff3s7wv2d9m78a4jhckiik58q38wx6wpbba5hzbs4yxz35ck"))
                (patch-flags (list "-p1" "--directory=gcc"))
                (patches
                 (append
                  (origin-patches (package-source gcc-4.7))
                  (search-patches "gcc-4.6-gnu-inline.patch"
                                  "gcc-cross-environment-variables.patch")))))
      (arguments
       (substitute-keyword-arguments (package-arguments propeller-gcc-6)
         ((#:phases phases)
          `(modify-phases ,phases
             (add-after 'unpack 'chdir
               (lambda _ (chdir "gcc") #t))))))
      (native-inputs
       `(("gcc-4" ,gcc-4.9)
         ,@(package-native-inputs propeller-gcc-6)))
      (home-page "https://github.com/parallaxinc/propgcc")
      (supported-systems (delete "aarch64-linux" %supported-systems)))))

;; Version 6 is experimental and may not work correctly.  This is why we
;; default to version 4, which is also used in the binary toolchain bundle
;; provided by Parallax Inc.
(define-public propeller-gcc propeller-gcc-4)


;; FIXME: We do not build the tiny library because that would require C++
;; headers, which are not available.  This may require adding a propeller-elf
;; variant of the libstdc++ package.
(define-public proplib
  (let ((commit "4c46ecbe79ffbecd2ce918497ace5b956736b5a3")
        (revision "2"))
    (package
      (name "proplib")
      (version (string-append "0.0.0-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/parallaxinc/propgcc.git")
                      (commit commit)))
                (file-name (string-append name "-" commit "-checkout"))
                (sha256
                 (base32
                  "0w0dff3s7wv2d9m78a4jhckiik58q38wx6wpbba5hzbs4yxz35ck"))))
      (build-system gnu-build-system)
      (arguments
       `(#:tests? #f ; no tests
         #:make-flags
         (list (string-append "PREFIX=" (assoc-ref %outputs "out"))
               (string-append "BUILD="  (getcwd) "/build"))
         #:phases
         (modify-phases %standard-phases
           (delete 'configure)
           (add-after 'unpack 'chdir
             (lambda _ (chdir "lib") #t))
           (add-after 'chdir 'fix-Makefile
             (lambda _
               (substitute* "Makefile"
                 ;; Control the installation time of the headers.
                 ((" install-includes") ""))
               #t))
           ;; The Makefile does not separate building from installation, so we
           ;; have to create the target directories at build time.
           (add-before 'build 'create-target-directories
             (lambda* (#:key make-flags #:allow-other-keys)
               (zero? (apply system* "make" "install-dirs" make-flags))))
           (add-before 'build 'set-cross-environment-variables
             (lambda* (#:key outputs #:allow-other-keys)
               (setenv "CROSS_LIBRARY_PATH"
                       (string-append (assoc-ref outputs "out")
                                      "/propeller-elf/lib:"
                                      (or (getenv "CROSS_LIBRARY_PATH") "")))
               (setenv "CROSS_C_INCLUDE_PATH"
                       (string-append (assoc-ref outputs "out")
                                      "/propeller-elf/include:"
                                      (or (getenv "CROSS_C_INCLUDE_PATH") "")))
               #t))
           (add-before 'install 'install-includes
             (lambda* (#:key make-flags #:allow-other-keys)
               (zero? (apply system* "make" "install-includes" make-flags)))))))
      (native-inputs
       `(("propeller-gcc" ,propeller-gcc)
         ("propeller-binutils" ,propeller-binutils)
         ("perl" ,perl)))
      (home-page "https://github.com/parallaxinc/propgcc")
      (synopsis "C library for the Parallax Propeller")
      (description "This is a C library for the Parallax Propeller
micro-controller.")
      ;; Most of the code is released under the Expat license.  Some of the
      ;; included code is public domain and some changes are BSD licensed.
      (license license:expat))))

(define-public propeller-toolchain
  (package
    (name "propeller-toolchain")
    (version (package-version propeller-gcc))
    (source #f)
    (build-system trivial-build-system)
    (arguments '(#:builder (begin (mkdir %output) #t)))
    (propagated-inputs
     `(("binutils" ,propeller-binutils)
       ("libc" ,proplib)
       ("gcc" ,propeller-gcc)))
    (synopsis "Complete GCC tool chain for Propeller micro-controllers")
    (description "This package provides a complete GCC tool chain for
Propeller micro-controller development.")
    (home-page (package-home-page propeller-gcc))
    (license (package-license propeller-gcc))))

(define-public openspin
  (package
    (name "openspin")
    (version "1.00.78")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/parallaxinc/"
                                  "OpenSpin/archive/" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "1k2dbz1v604g4r2d9qhckg2m8dnhiya760mbsqfsg4waxal87yb7"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f ; no tests
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (add-after 'unpack 'remove-timestamp
           (lambda _
             (substitute* "SpinSource/openspin.cpp"
               ((" Compiled on.*$") "\\n\");"))
             #t))
         ;; Makefile does not include "install" target
         (replace 'install
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((bin (string-append (assoc-ref outputs "out")
                                       "/bin")))
               (mkdir-p bin)
               (install-file "build/openspin" bin)
               #t))))))
    (home-page "https://github.com/parallaxinc/OpenSpin")
    (synopsis "Spin/PASM compiler for the Parallax Propeller")
    (description "OpenSpin is a compiler for the Spin/PASM language of the
Parallax Propeller.  It was ported from Chip Gracey's original x86 assembler
code.")
    (license license:expat)))

(define-public propeller-load
  (let ((commit "4c46ecbe79ffbecd2ce918497ace5b956736b5a3")
        (revision "2"))
    (package
      (name "propeller-load")
      (version "3.4.0")
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/parallaxinc/propgcc.git")
                      (commit commit)))
                (file-name (string-append name "-" commit "-checkout"))
                (sha256
                 (base32
                  "0w0dff3s7wv2d9m78a4jhckiik58q38wx6wpbba5hzbs4yxz35ck"))))
      (build-system gnu-build-system)
      (arguments
       `(#:tests? #f ; no tests
         #:make-flags
         (list "OS=linux"
               (string-append "TARGET=" (assoc-ref %outputs "out")))
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'chdir
             (lambda _ (chdir "loader") #t))
           (delete 'configure))))
      (native-inputs
       `(("openspin" ,openspin)
         ("propeller-toolchain" ,propeller-toolchain)))
      (home-page "https://github.com/parallaxinc/propgcc")
      (synopsis "Loader for Parallax Propeller micro-controllers")
      (description "This package provides the tool @code{propeller-load} to
upload binaries to a Parallax Propeller micro-controller.")
      (license license:expat))))

(define-public spin2cpp
  (package
    (name "spin2cpp")
    (version "3.6.4")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/totalspectrum/spin2cpp/"
                                  "archive/v" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "05qak187sn0xg7vhrxw27b19xhmid1b8ab8kax3gv0faavzablfw"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f ;; The tests assume that a micro-controller is connected.
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (add-before 'build 'set-cross-environment-variables
           (lambda* (#:key inputs #:allow-other-keys)
             (setenv "CROSS_LIBRARY_PATH"
                     (string-append (assoc-ref inputs "propeller-toolchain")
                                    "/propeller-elf/lib"))
             (setenv "CROSS_C_INCLUDE_PATH"
                     (string-append (assoc-ref inputs "propeller-toolchain")
                                    "/propeller-elf/include"))
             #t))
         (replace 'install
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((bin (string-append (assoc-ref outputs "out")
                                       "/bin")))
               (for-each (lambda (file)
                           (install-file (string-append "build/" file)
                                         bin))
                         '("testlex" "spin2cpp" "fastspin")))
             #t)))))
    (native-inputs
     `(("bison" ,bison)
       ("propeller-load" ,propeller-load)
       ("propeller-toolchain" ,propeller-toolchain)))
    (home-page "https://github.com/totalspectrum/spin2cpp")
    (synopsis "Convert Spin code to C, C++, or PASM code")
    (description "This is a set of tools for converting the Spin language for
the Parallax Propeller micro-controller into C or C++ code, into PASM, or even
directly into an executable binary.  The binaries produced use LMM PASM, so
they are much faster than regular Spin bytecodes (but also quite a bit
larger).")
    (license license:expat)))

(define-public spinsim
  (let ((commit "66915a7ad1a3a2cf990a725bb341fab8d11eb620")
        (revision "1"))
    (package
      (name "spinsim")
      (version (string-append "0.75-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/parallaxinc/spinsim.git")
                      (commit commit)))
                (file-name (string-append name "-" commit "-checkout"))
                (sha256
                 (base32
                  "1n9kdhlxsdx7bz6c80w8dhi96zp633gd6qs0x9i4ii8qv4i7sj5k"))))
      (build-system gnu-build-system)
      (arguments
       `(#:tests? #f ; no tests
         #:phases
         (modify-phases %standard-phases
           (delete 'configure)
           (replace 'install
             (lambda* (#:key outputs #:allow-other-keys)
               (let ((bin (string-append (assoc-ref outputs "out")
                                         "/bin")))
                 (install-file "build/spinsim" bin))
               #t)))))
      (home-page "https://github.com/parallaxinc/spinsim")
      (synopsis "Spin simulator")
      (description "This package provides the tool @code{spinsim}, a simulator
and simple debugger for Spin programs written for a Parallax Propeller
micro-controller.  Spinsim supports execution from cog memory and hub
execution, but it does not support multi-tasking.  It supports about
two-thirds of the opcodes in the P2 instruction set.")
      (license license:expat))))

(define-public propeller-development-suite
  (package
    (name "propeller-development-suite")
    (version (package-version propeller-gcc))
    (source #f)
    (build-system trivial-build-system)
    (arguments '(#:builder (begin (mkdir %output) #t)))
    (propagated-inputs
     `(("toolchain" ,propeller-toolchain)
       ("openspin" ,openspin)
       ("propeller-load" ,propeller-load)
       ("spin2cpp" ,spin2cpp)
       ("spinsim" ,spinsim)))
    (synopsis "Complete development suite for Propeller micro-controllers")
    (description "This meta-package provides a complete environment for the
development with Parallax Propeller micro-controllers.  It includes the GCC
toolchain, the loader, the Openspin compiler, the Spin2cpp tool, and the Spin
simulator.")
    (home-page (package-home-page propeller-gcc))
    (license (package-license propeller-gcc))))

(define-public binutils-vc4
  (let ((commit "708acc851880dbeda1dd18aca4fd0a95b2573b36"))
    (package
      (name "binutils-vc4")
      (version (string-append "2.23.51-0." (string-take commit 7)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                       (url "https://github.com/puppeh/binutils-vc4.git")
                       (commit commit)))
                (file-name (string-append name "-" version "-checkout"))
                (sha256
                 (base32
                  "1kdrz6fki55lm15rwwamn74fnqpy0zlafsida2zymk76n3656c63"))))
      (build-system gnu-build-system)
      (arguments
       `(#:configure-flags '("--target=vc4-elf"
                             "--disable-werror"
                             "--enable-cgen-maint")
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'unpack-cgen
             (lambda* (#:key inputs #:allow-other-keys)
               (copy-recursively (string-append (assoc-ref inputs "cgen")
                                                "/cgen") "cgen")
               #t))
           (add-after 'unpack-cgen 'fix-cgen-guile
             (lambda _
               (substitute* "opcodes/Makefile.in"
                 (("guile\\{,-\\}1.8") "guile"))
               (invoke "which" "guile"))))))
      (native-inputs
       `(("cgen"
          ,(origin
                (method git-fetch)
                (uri (git-reference
                       (url "https://github.com/puppeh/cgen.git")
                       (commit "d8e2a9eb70425f180fdd5bfd032884b0855f2032")))
                (sha256
                 (base32
                  "14b3h2ji740s8zq5vwm4qdcxs4aa4wxi6wb9di3bv1h39x14nyr9"))))
         ("texinfo" ,texinfo)
         ("flex" ,flex)
         ("bison" ,bison)
         ("guile-1.8" ,guile-1.8)
         ("which" ,base:which)))
      (synopsis "Binutils for VC4")
      (description "This package provides @code{binutils} for VideoCore IV,
the Raspberry Pi chip.")
      (license license:gpl3+)
      (home-page "https://github.com/puppeh/vc4-toolchain/"))))

(define-public gcc-vc4
  (let ((commit "165f6d0e11d2e76ee799533bb45bd5c92bf60dc2")
        (xgcc (cross-gcc "vc4-elf" #:xbinutils binutils-vc4)))
    (package (inherit xgcc)
      (name "gcc-vc4")
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/puppeh/gcc-vc4.git")
                      (commit commit)))
                (file-name (string-append name
                                          "-"
                                          (package-version xgcc)
                                          "-checkout"))
                (sha256
                 (base32
                  "13h30qjcwnlz6lfma1d82nnvfmjnhh7abkagip4vly6vm5fpnvf2"))))
      (native-inputs
        `(("flex" ,flex)
          ,@(package-native-inputs xgcc)))
      (synopsis "GCC for VC4")
      (description "This package provides @code{gcc} for VideoCore IV,
the Raspberry Pi chip."))))

(define-public python2-libmpsse
  (package
    (name "python2-libmpsse")
    (version "1.3")
    (source
      (origin
        (method url-fetch)
        (uri (string-append "https://storage.googleapis.com/"
                            "google-code-archive-downloads/v2/"
                            "code.google.com/libmpsse/"
                            "libmpsse-" version ".tar.gz"))
        (sha256
          (base32
            "0jq7nhqq3na8675jnpfcar3pd3dp3adhhc4lw900swkla01a1wh8"))))
    (build-system gnu-build-system)
    (inputs
     `(("libftdi" ,libftdi)
       ("python" ,python-2)))
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("swig" ,swig)
       ("which" ,base:which)))
    (arguments
     `(#:tests? #f ; No tests exist.
       #:make-flags
       (list (string-append "CFLAGS=-Wall -fPIC -fno-strict-aliasing -g -O2 "
                            "$(shell pkg-config --cflags libftdi1)"))
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'set-environment-up
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (chdir "src")
             (setenv "PYDEV" (string-append (assoc-ref inputs "python")
                             "/include/python2.7"))
             #t))
         (add-after 'unpack 'patch-global-variable
           (lambda _
             ;; fast_rw_buf was defined in a header file which was making
             ;; the build not reproducible.
             (substitute* "src/fast.c"
               (("^int fast_build_block_buffer") "

unsigned char fast_rw_buf[SPI_RW_SIZE + CMD_SIZE];
int fast_build_block_buffer"))
             (substitute* "src/mpsse.h"
               (("unsigned char fast_rw_buf.*") "
"))
             #t))
         (replace 'install
           (lambda* (#:key outputs make-flags #:allow-other-keys #:rest args)
             (let* ((out (assoc-ref outputs "out"))
                    (out-python (string-append out
                                               "/lib/python2.7/site-packages"))
                    (install (assoc-ref %standard-phases 'install)))
               (install #:make-flags (cons (string-append "PYLIB=" out-python)
                                           make-flags))))))))
    (home-page "https://code.google.com/archive/p/libmpsse/")
    (synopsis "Python library for MPSSE SPI I2C JTAG adapter by FTDI")
    (description "This package provides a library in order to support the
MPSSE (Multi-Protocol Synchronous Serial Engine) adapter by FTDI that can do
SPI, I2C, JTAG.")
    (license license:gpl2+)))

(define-public picprog
  (package
    (name "picprog")
    (version "1.9.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://www.iki.fi/hyvatti/pic/picprog-"
                                  version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "1r04hg1n3v2jf915qr05la3q9cxy7a5jnh9cc98j04lh6c9p4x85"))
              (patches (search-patches "picprog-non-intel-support.patch"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f                      ; No tests exist.
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-paths
           (lambda* (#:key outputs #:allow-other-keys)
             (substitute* "Makefile"
               (("/usr/local") (assoc-ref outputs "out"))
               ((" -o 0 -g 0 ") " ")
               (("testport") ""))
             #t))
         (add-before 'install 'mkdir
           (lambda* (#:key outputs #:allow-other-keys)
             (let ((out (assoc-ref outputs "out")))
               (mkdir-p (string-append out "/bin"))
               (mkdir-p (string-append out "/man/man1"))
               #t)))
         (delete 'configure))))
    (synopsis "Programs Microchip's PIC microcontrollers")
    (description "This program programs Microchip's PIC microcontrollers.")
    (home-page "http://hyvatti.iki.fi/~jaakko/pic/picprog.html")
    (license license:gpl3+)))

(define-public fc-host-tools
  (package
    (name "fc-host-tools")
    (version "8")
    (source (origin
              (method url-fetch)
              (uri (string-append "ftp://ftp.freecalypso.org/pub/GSM/"
                                  "FreeCalypso/fc-host-tools-r" version ".tar.bz2"))
              (sha256
               (base32
                "00kl9442maaxnsjvl5qc4c6fzjkgr3hac9ax1z2k6ry6byfknj6z"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f                      ; No tests exist.
       #:make-flags
       (list (string-append "INSTBIN=" %output "/bin")
             (string-append "INCLUDE_INSTALL_DIR=" %output "include/rvinterf"))
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)
         (add-after 'unpack 'handle-tarbomb
           (lambda _
             (chdir "..") ; url-fetch/tarbomb doesn't work for some reason.
             #t))
         (add-after 'handle-tarbomb 'patch-installation-paths
           (lambda* (#:key outputs #:allow-other-keys)
             (substitute* '("Makefile"
                            "rvinterf/libasync/launchrvif.c"
                            "loadtools/defpath.c"
                            "loadtools/Makefile"
                            "miscutil/c139explore"
                            "miscutil/pirexplore"
                            "ffstools/tiffs-wrappers/installpath.c"
                            "rvinterf/rvtat/launchrvif.c"
                            "rvinterf/etmsync/launchrvif.c"
                            "rvinterf/libasync/launchrvif.c"
                            "uptools/atcmd/atinterf.c")
               (("/opt/freecalypso/loadtools")
                (string-append (assoc-ref outputs "out") "/lib/freecalypso/loadtools"))
               (("/opt/freecalypso")
                (assoc-ref outputs "out")))
             #t)))))
    (inputs
     `(("libx11" ,libx11)))
    (synopsis "Freecalypso host tools")
    (description "This package provides some tools for debugging Freecalypso phones.

@enumerate
@item fc-e1decode: Decodes a binary Melody E1 file into an ASCII source file.
@item fc-e1gen: Encodes an ASCII Melody E1 file into a binary Melody E1 file.
@item fc-fr2tch: Converts a GSM 06.10 speech recording from libgsm to hex
strings of TCH bits to be fed to the GSM 05.03 channel encoder of a TI
Calypso GSM device.
@item fc-tch2fr: Converts hex strings of TCH bits to libgsm.
@item fc-gsm2vm: utility converts a GSM 06.10 speech sample from the libgsm
source format into a voice memo file that can be uploaded into the FFS of a
FreeCalypso device and played with the audio_vm_play_start() API or the
AT@@VMP command that invokes the latter.
@item fc-rgbconv: Convers RGB 5:6:5 to RGB 8:8:8 and vice versa.
@item rvinterf: Communicates with a TI Calypso GSM device via RVTMUX.
@item rvtdump: produces a human-readable dump of all output emitted by a
TI-based GSM fw on the RVTMUX binary packet interface.
@item fc-shell: FreeCalypso firmwares have a feature of our own invention
(not present in any pre-existing ones) to accept AT commands over the RVTMUX
interface.  It is useful when no second UART is available for a dedicated
standard AT command interface.  fc-shell is the tool that allows you to send
AT commands to the firmware in this manner.
@item fc-memdump: Captures a memory dump from a GSM device.
@item fc-serterm: Trivial serial terminal.  Escapes binary chars.
@item fc-fsio: Going through rvinterf, this tool connects to GSM devices and
allows you to manipulate the device's flash file system.
@item tiaud-compile: Compiles an audio mode configuration table for TI's
Audio Service from our own ASCII source format into the binary format for
uploading into FreeCalypso GSM device FFS with fc-fsio.
@item tiaud-decomp: Decodes TI's audio mode configuration files read out of
FFS into our own ASCII format.
@item tiaud-mkvol: Generates the *.vol binary files which need to accompany
the main *.cfg ones.
@item fc-compalram: Allows running programs on the device without writing
them to flash storage.
@item fc-xram: Allows running programs on the device without writing them
to flash storage.
@item fc-iram: Allows running programs on the device without writing them
to flash storage.
@item fc-loadtool: Writes programs to the device's flash storage.
@item pirffs: Allows listing and extracting FFS content captured as a raw
flash image from Pirelli phones.
@item mokoffs: Allows listing and extracting FFS content captured as a raw
flash image from OpenMoko phones.
@item tiffs: Allows listing and extracting FFS content captured as a raw
flash image from TI phones.
@item c139explore: Run-from-RAM program for C139 phones that
exercises their peripheral hardware: LCD, keypad backlight, buzzer, vibrator.
@item pirexplore: Run-from-RAM program for Pirelli DP-L10 phones that
exercises their peripheral hardware, primarily their LCD.
@item tfc139: Breaks into Mot C1xx phones via shellcode injection, allowing
you to reflash locked phones with new firmware with fc-loadtool.
@item ctracedec: GSM firmwares built in TI's Windows environment have a
compressed trace misfeature whereby many of the ASCII strings
in debug trace messages get replaced with numeric indices at
build time, and these numeric indices are all that gets emitted
on the RVTMUX serial channel.  This tools decodes these numeric indices
back to strings in trace output.
@item fc-cal2text: This utility takes a dump of TI's /gsm/rf flash file system
directory subtree as input (either extracted in vitro with tiffs
or read out in vivo with fc-fsio) and converts all RF tables
found therein into a readable ASCII format.
@item imei-luhn: Computes or verifies the Luhn check digit of an IMEI number.
@item fc-dspapidump: Reads and dumps the contents of the DSP API RAM in a
target Calypso GSM device.
@item fc-vm2hex: Converts the old-fashioned (non-AMR) voice memo files read
out of FFS into hex strings.
@item fc-buzplay: Plays piezoelectic buzzer melodies on an actual
Calypso device equipped with such a buzzer (Mot C1xx, TI's D-Sample board,
our planned future HSMBP) by loading a buzplayer agent onto the target and
feeding melodies to be played to it.
@item fc-tmsh: TI-based GSM firmwares provide a rich set of Test Mode commands
that can be issued through the RVTMUX (debug trace) serial channel.
This program is our test mode shell for sending Test Mode commands to targets
and displaying decoded target responses.
@item fcup-smsend Send a short message via SMS
@item fcup-smsendmult Send multiple short messages via SMS in one go
@item fcup-smsendpdu Send multiple short messages given in PDU format via SMS
@item sms-pdu-decode Decode PDU format messages
@end enumerate")
    (home-page "https://www.freecalypso.org/")
    (license license:public-domain)))

(define-public stlink
  (package
    (name "stlink")
    (version "1.5.1")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/texane/stlink/archive/v"
                           version ".tar.gz"))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32
         "01z1cz1a5xbbhd163qrqcgp4bi1k145pb80jmwdz50g7sfzmy570"))))
    (build-system cmake-build-system)
    (arguments
     `(#:tests? #f                      ;no tests
       #:configure-flags
       (let* ((out (assoc-ref %outputs "out"))
              (etc (in-vicinity out "etc"))
              (modprobe (in-vicinity etc "modprobe.d"))
              (udev-rules (in-vicinity etc "udev/rules.d")))
         (list (string-append "-DSTLINK_UDEV_RULES_DIR=" udev-rules)
               (string-append "-DSTLINK_MODPROBED_DIR=" modprobe)))))
    (inputs
     `(("libusb" ,libusb)))
    (synopsis "Programmer for STM32 Discovery boards")
    (description "This package provides a firmware programmer for the STM32
Discovery boards.  It supports two versions of the chip: ST-LINK/V1 (on
STM32VL discovery kits) and ST-LINK/V2 (on STM32L discovery and later kits).
Two different transport layers are used: ST-LINK/V1 uses SCSI passthru
commands over USB, and ST-LINK/V2 and ST-LINK/V2-1 (seen on Nucleo boards) use
raw USB commands.")
    (home-page "https://github.com/texane/stlink")
    ;; The flashloaders/stm32l0x.s and flashloaders/stm32lx.s source files are
    ;; licensed under the GPLv2+.
    (license (list license:bsd-3 license:gpl2+))))
